Find cheap flights from San Francisco to Pennsylvania

Round-trip
1 adult
Economy
0 bags
Wed 4/26
Wed 5/3

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Latest Pennsylvania Flight Deals

Best round-trip prices found by our users on KAYAK in the last 72 hours

MOST POPULARPhiladelphia
1 stop from $164
1 stop from $87
Pittsburgh
1 stop from $219
1 stop from $102
Harrisburg
1 stop from $395
Allentown
1 stop from $334
1 stop from $167
Scranton
1 stop from $361
1 stop from $162
State College
1 stop from $395
1 stop from $594

Good to know

Low season

January

High season

June

Cheapest flight

$87

Average price round-trip

$444

Good deal round-trip

$251

Good deal one-way

$259
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from San Francisco to Philadelphia
(avg. price over the last 2 weeks)
or less
or less

Top tips for finding cheap flights to Pennsylvania

  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be June and July. The cheapest month to fly to Pennsylvania is January.
  • Morning departure is around 4% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs - booking Pennsylvania flights

Top 5 airlines serving San Francisco to Pennsylvania

Scores according to KAYAK customer reviews
8.1
JetBlueOverall score based on 19439 reviews
8.3Boarding
8.2Comfort
8.6Crew
7.9Entertainment
7.8Food
Airline reviews
Pros: "Crew was friendly and accomodating"
Cons: "On board entertainment was poor at best"
Read more about JetBlue
Pros: "Crew was friendly and accomodating"
Cons: "On board entertainment was poor at best"
Cons: "Flight turned around halfway and returned to origin airport. A full explanation was never given."
Pros: "Good legroom in economy. Friendly, helpful flight attendants. Multiple snack choices."
Cons: "More LA SF Bay Area flight options."
Pros: "The crew was on it and friendly. Nice drink and snack service. Very comfortable."
Pros: "Flight, comfort, crew, were all great"
Cons: "The WiFi"
Pros: "Great price. Fast boarding. Crew was nice. Pilot did excellent job flying with a super smooth landing."
Pros: "Professional and personable. Nice job."
Cons: "Departure time was changed 7 times. Many times these changes were back and forth to earlier updates creating confusion."
Cons: "They had to reset entertainment sets 3 times before they started working. This happens regularly on the SFO to BOS jetblue flight."
Pros: "Super great seat. Free Wifi. Snack best."
Cons: "Honestly i cannot find anything bad during this flight..."
Pros: "Crew."
Cons: "Not many kid friendly videos."
Pros: "There was actual room for my legs."
Cons: "There could have been more legroom so that you could actually get out without almost sitting in someone else's lap. But it was easier than my last flight (on American Airlines). Having a meal available would have been nice on a flight of almost 6 hours."
Pros: "Crew and amenities were great. Loved the snack and food options and the warm towel upon landing!"
Cons: "Takeoff was delayed by 30 mins and we taxiied on the runway for about 30 mins after landing"
Pros: "Super friendly staff, best-tasting food outside of flying first in some of the East Asian carriers. The massaging feature on the lie flat bed was also excellent."
Cons: "Entertainment screen in our section of the plane were not functioning correctly. The crew made several attempts to reset the screens but it didn't work,"
Pros: "Each seat had power outlet for laptop as well as a USB port"
Cons: "TV monitor wasn’t operational"
Pros: "Nice polite and helpful crew! Nice flight!"
Cons: "Only 1 snack and a beverage for a 5:30 hour flight"
Pros: "Despite being a smaller airline I must say I’m completely floored by how much I enjoyed my flight with JetBlue! The free WiFi is a game changer compared to the greedier airlines that charge through the roof for it and the staff has been incredibly kind. ‏ Also, the flight attendants were really sweet. I watched them diffuse a few situations that most people would have ended up making worse. Not to mention this is the only airline that actually OFFERED to assist me getting on the plane. I sometimes request assistance, but I really needed it last night and they offered without a second thought. I had only come up to the desk to ask about reprinting my ticket. As soon as I went up to the desk to ask about reprinting my ticket, they immediately asked if I was ready to preboard. The man who helped wheel me out of the plane at JFK was very considerate as well and asked if I wanted to go to the restroom before going out to the gate. He wheeled me all the way to the car where my husband was waiting. Every member of the Jet Blue staff I met this weekend was exemplary. If I can help it I will always fly Jet Blue when I fly nationally."
Cons: "The gate was not as clean or neat as other gates. My flight was also delayed by two hours."
Cons: "The plane was 2 hours late with no explanation and no apology until we were getting off the plane."
Pros: "The flight attendants were very friendly."
Cons: "JetBlue used to board by row. I purposely chose a seat in the very back of the plane because I knew at LGB you can deplane from the back of the aircraft. I was unable to deplane from the back because they seated most people before me despite checking in early and my bag had to be put in the middle of the plane. My grandpa is in the ICU and I nearly missed visiting hours because of having to wait to deplane in the front."
Pros: "I love the complementary drinks, snacks and WiFi. Direct TV & Sirius XM radio is also included! The staff is always nice and friendly. I like that you are allowed 1 carry on and one personal item under your seat."
Cons: "I think there could be more leg room or space. Tha man next to me kept rubbing against me every time he took a sip of his drink. Otherwise no complaints!"
Pros: "Efficient and friendly crew members who made it a very enjoyable flight"
Cons: "None"
Cons: "For a 5 hour flight u need to feed people"
Cons: "Delays. Changed departure gates. This is becoming the norm for most airlines. I was hoping that Jet Blue might be different. It is isn't."
Pros: "Even with a full flight, JetBlue offers up-to-date planes with comfortable seating, plenty of leg room and free WI-fi for a very positive customer experience."
Pros: "The coffee on the plane was the only thing I liked"
Cons: "My flight got delayed an hour, once air borne we had to land due to an engine over heating. They weren’t able to help me find another flight that day. I had to call 3 times to jet blue’s customer service to get a flight the following day, I missed an important family event. I also lost money in multiple ways, not going to work and playing for uneeded dog care for my dogs."
Pros: "Comfort sitting was very good"
Cons: "There was not enough food on the plane. If you are offering a range of food to passengers, then there should be preparation and adequate supply to fulfill those orders. I follow a vegetarian diet, and I asked for the salad option, sold out. Okay fine, I asked for the cheese platter, sold out. If you are offering food, there should be enough for the whole plane, plain and simple."
Pros: "We have no complaints, Everthing was just perfect!"
Pros: "Seat space, legroom, personal TV, free movies, free unlimited snacks"
Pros: "The flight was on time for take off and arrived early! Amazing. I actually got to sleep."
Pros: "Stewardess help me with luggage."
Cons: "NA"
Pros: "Movies for free"
Cons: "The one hour delay"
Pros: "Everything was great"
Cons: "They want to charge for everything. Traveled with my husband but we couldn't sit together without having to pay $200. The seat assignment happened at the gate for us and they didn't accommodate our request to stay together. Seats were small, hard and uncomfortable."
Pros: "Efficiently added a lot of people to this flight from another delayed flight--pilot & crew was informative of additional delays so that we knew what was going on"
Pros: "Once again the system for my seat did not work. Fortunately, the middle seat was empty and I wa able to watch that screen."
Cons: "Entertainment System did not work at my seat. WiFi signal was not strong enough for me to watch any videos on my device."
Pros: "Crew was very hospitable"
Cons: "The headphone jack wasn’t working properly, sound was muffled and fuzzy. Couldn’t enjoy any entertainment provided. The flight was full so I couldn’t ask for another seat either."
Pros: "Plane departed early and arrived 40 minutes early. Well done"
Cons: "Prefer BLUE Chips rather than cheese x AND usually they call for VETERANS to board before the start of general boarding. This is the first time Jet Blue DID NOT extend that courtesy"
Pros: "Courteous an professional flight team. Comfortable seats."
Pros: "Non eventful which means it was very good!"
Pros: "Very comfortable and the crew was amazing."
Pros: "Legroom was excellent! Crew were nice."
Cons: "Flight was very late, I had to delay my ferry reservation to their last trip. Not sure if anyone is responsible for it, but your email directed us to get to the airport at the same time as originally scheduled. That's not fair. I could have slept a couple more hours (which I'm in dire need of). Flight delay would not have been so bad had not been for that direction."
Pros: "staff is courteous, the plane is more spacious that other airlines, the jet blue terminal (C) at Logan International had very nice seating area, we changed flights to an earlier one that day and the Jet Blue 800# was very helpful and easy"
Cons: "we were delayed - obviously beyond JB's control but still got us home near the original time."
Cons: "My flight got cancelled due to a hurricane, ok... that's fair. But my flight was rebooked for 9 days later (I couldn't afford to be away from home for 9 more days), no hotel accommodations were given and no refund was given. I had to book another way home with a different airline that could get my home on a reasonable date."
Pros: "Everything."
Cons: "Nothing"
Pros: "Direct flight from Boston to Pittsburgh, leg room, friendly staff."
Pros: "The boarding announcements at Gate 10 in SF were impossible to hear."
Cons: "The boarding obstructions should be listed on the flight information screen"
Pros: "Legroom"
Cons: "Schedule delay by more than 2 hours"
Pros: "International terminal for domestic flight.. too hour circlinnjgn sfo to find it.,., then luggage at different carasol thhan announced.. and taxi a mile away of walking ... thank God I am not handicapped"
Pros: "Everything !"
Cons: "Nothing"
Cons: "Aircraft was too warm. Needed more air!"
Cons: "The entire time there was a clogged bathroom smell coming in waves. The crew was forgetful of requests. Not a pleasant flight."
Pros: "Crew and service were outstanding"
Cons: "Good taste perhaps...?"
Pros: "compared with other airlines they were just OK"
Cons: "everything"
Pros: "The crews were very fast and efficient. The Dinner was good but the breakfast was very basic."
Cons: "The seat was so crammy and disgustingly uncomfortable"
Pros: "Amazing crew"
Pros: "Check in person was very helpful in rerouting our flight."
Cons: "Our flight was delayed 3-1/2 hours. The gate crew booked us in another flight but did not issue a ticket, so after transferring to another terminal, we were sent back to the Delta terminal to be issued a ticket to a third airline since we already missed the second flight. Then, they lost our luggage"
Pros: "Seats are fine. Ordering system is up to date."
Cons: "After the first two hours of my flight (which I sleep through) I couldn’t buy a drink a soda or anything."
Pros: "Quick boarding"
Cons: "More water offered by crew"
Cons: "The fact the the toilette was kitty cornered in the mid cabin bathroom is a joke on modern society."
Pros: "On time, smooth take off and landing."
Cons: "Crew could be on time for work so the flights aren’t delayed"
Pros: "The Delta crew was great."
Pros: "My seat didn't recline"
Pros: "Good movies; nice crew"
Cons: "Flight was delayed, for unkown reasons."
Pros: "It was Ok. Some short delay but over all not too bad. Just didn't like the fact I always get seats next to the toilet"
Pros: "No delays..arrived early"
Cons: "Restrooms were dirty"
Pros: "Not much, hardly anything"
Cons: "The service in First Class, absolutely terrible"
Pros: "Nice employees and service"
Cons: "Seat room"
Pros: "The time and the cabin crew were helpful"
Cons: "There was nothing to not like"
Pros: "Entertainment"
Cons: "The plane was hot"
Pros: "Service was good. Was upgraded for more space."
Cons: "Intertainment unit was not working correctly. Locked up after movie was over. No offers of any sort from crew about issue."
Pros: "Call back service was best part."
Cons: "Booked ticket through venture card points. This meant that the email address and phone number to contact us in the event of changes was mediocre information. I was informed from Tripit that the flight was delayed, not by Delta. Reservation personnel took logical course of action to find new flight for connection that we could make because of delayed initial flight. I would recommend that they first see if there is an earlier initial flight that the customer could make, then look at finding later connecting flights. We found out about delay 8 hours prior, so we had plenty of time to get to the airport earlier. Total delay required me to take additional day off of work."
Cons: "Didnt fly from San Francisco to Atlanta"
Pros: "Entertainment"
Cons: "Attendant probably trying to be funny"
Pros: "Pilots and crew did an amazing job during unstable air coming into Pittsburgh. Great job."
Pros: "Sky Lounge at SFO and onboard entertainment"
Pros: "Once aboard, flight went without a hitch and flight crew was attentive"
Cons: "The inflight entertainment options need to be expanded - I've run out of movies that I want to watch!!!"
Cons: "Delta airlines has very poor costumer service. THE WORST I HAVE EXPERIENCED. I wasn't the only one feeling this way, I witness a couple people fighting on the phone like me. When my 1st flight was delayed I asked to be rebooked then and the delta employee insisted that I would make my connection. I didn't make it. This is not all. I could have gotten to a near city several hours after but on the same day, but the mediocrecy of this employes did not allow me to get there until the next day at 7 am. Happy new year to me. This two women (or one of them) on the phone, lied to me. There was an option to get me here and one of them failed to do their job right AND LIED TO MY FACE ON THE PHONE. Just unacceptable. I will sue them, I had an under age waiting for me in Cancun and a pet with me!. With no food or access to do its necessities. AND THERE WAS AN OPTION THAT "they missed" on porpuse."
Pros: "very short flight, flight was comfortable"
Cons: "Plane was small so carry on space was at a premium, but everything fit"
Pros: "Flight was on time, flight crew was kind and helpful, pilot was smooth and kept us informed of the flight status."
Cons: "Nothing!"
Pros: "Everything went smoothly."
Cons: "N/A"
Pros: "Comfort and boarding"
Cons: "Delay and food"
Pros: "Flight was on time and left and arrived on time."
Cons: "Should offer headphones for free."
Pros: "The service was fine. I slept the entire flight."
Cons: "I was not impress with the breakfast since I do not eat yogurt. It is a good thing i am not a breafast eater normally because I would have been hungry."
Pros: "The new Delta planes have great leg room for tall people even in coach."
Cons: "Asked for hot tea but what I got was barely tepid."
Pros: "Delta was smart with boarding early once they realized everyone had cleared security. Flight took off on-time and arrived early. The crew was excellent and exuded energy although it was the end of the day."
Cons: "I ordered a special asian vegetarian meal and it was just plain horrible. I had to settle for the cookie. It's nice that they serve a complimentary meal on the red eye flight but the quality of the food was bad. Entertainment options were also limited although they had some recent box office entries from last year. The leg room also wasn't great but that's expected in economy I guess."
Pros: "Excellent trip. Provided ample food snacks and drinks."
Cons: "I tried to get a seat and it was so hard, i couldn't do an online check in and once at the airport, no one could help me."
Pros: "Painless"
Cons: "Price of food"
Pros: "Quick boarding"
Cons: "The delta comport seats were not comfort seats were hardly comfortable and the leg room wasn't worth paying for."
Pros: "On time"
Pros: "I've never seen such a modern and easy to use entertainment system before. All the movies are complimentary."
Cons: "half-broken screen, couldn't access anything on the left side"
Pros: "That it's over"
Cons: "the 1 hour delay, when we arrived we sat for another hour and I missed my international flight"
Pros: "On time"
Pros: "On time. No problems."
Cons: "Hard to understand what group was being called to board. No systematic lineup, just crowding around."
Pros: "Staff was friendly but Stern with customers that needed it"
Pros: "I had a great seat"
Cons: "Food. No food at all on board per the flight attendees"
Pros: "Love main cabin extra"
Cons: "Just a cookie for a 3 hour flight"
Cons: "The plane was cold!"
Pros: "The Flight Attendant was excellent. Genuine smile, attentive, and pleasant."
Pros: "Pilot was Awesome"
Cons: "The crew was eh not very friendly"
Pros: "On time. Warm greetings from the pilots. New aircraft, clean, great entertainment."
Cons: "American changed our seats to back of plane. No explanation."
Cons: "5hour flight should have a meal"
Cons: "The gate agents called all boarding groups with the boarding queue extending the entire length of the jet bridge and into the terminal beyond the gate area, making us stand in line ten to fifteen minutes longer for no reason."
Cons: "The flight was delayed for hours, and I am still trying to get to lax. All due to the pilots being too tired to fly, and due to maintenance. I would of appreciated checking into a hotel room a lot earlier than I did due to vague communication. I’m exhausted with only 2.5 hours of sleep."
Pros: "Great and welcoming crew."
Cons: "It would’ve been nice if we made it to fort Meyers!"
Pros: "Nothing"
Cons: "The seat assignments based on loyalty status - rude gate agents"
Cons: "On my first flight from SLC to ORD I asked 3 different American Airlines employees if I needed to pay for my carryon before I got on the plane. They all said no. I got on the plane, put my carryon under the seat in front of me and everything was great. I landed in Chicago, got to my gate, went to board and this very rude employee stopped me after I scanned my ticket and told me I couldn’t board with my bag. The EXACT bag I had boarded with in SLC. After harshly grabbing my bag and putting it in the carryon basket to check for size, she wouldn’t let me pass by her into the boarding bridge and told me I was going to have to pay. I tried explaining that I had asked I’m SLC if I needed to check it and they had all said no and that it fit under my seat. She said, “I don’t care what they said in SL, this is what I’m saying here.” And directed me to the front desk where I had to pay $50!! $50 for a carryon backpack that fit under my seat comfortably 20 minutes before!! Without saying a word (cause I didn’t want to yell at the poor girl behind the desk) I paid the $50 and proceeded to enter the bridge but before I passed through, the rude woman said, “have a nice flight ma’am” and scoffed!! An audible scoff. So I’m short, I hate American Airlines and I will do my BEST to not have to fly with them in the future."
Cons: "I could not pre-check or request different seats on the CP website. I think that this was because of issues with the website, apparently due to IT system communication between American Airlines and Cathay Pacific.......on all six flights. On the transfer in San Francisco, Customs was closed when we arrived in San Francisco and we had to haul all of our baggage from one terminal to the other. There was no direction on how to handle this issue of Customs being closed while on the flight to San Francisco. I had to explain the issue of to the CP customer service crew in SF. The CP desk and they had never heard of it. American Airlines was equally poorly trained. I will also say that while at the CP customer service, there were three young adult males that we're not busy at the time and the watched us unload the baggage carts onto the scales and conveyor and then reloaded on to the carts to push to the AA terminal. We handled the bags two additional times because the CP staff did not know what to do and how to handle it. Other passengers were confused as well."
Pros: "One cabin crew went the extra mile for me...rescued a partial dental plate which I had inadvertently tossed in the trash."
Pros: "Awesome service"
Cons: ":)"
Pros: "Not much"
Cons: "They forced my wife off of the flight because they would not check our bags in 35 minutes before the flight."
Cons: "Flight attendendant were unfriendly,she missed my dinner ,I had to call her so she bring my dinner!"
Cons: "I am very frustrated that a single part could not be located in the early afternoon to allow the plane to fly. I will be late again for work and it seems to be American Airlines and not Delta that has all the delays or is late."
Cons: "Plane was delayed over an hour!"
Cons: "great flight"
Cons: "Missed because of first delay"
Cons: "Being so late"
Pros: "Seats were surprisingly comfortable"
Pros: "On time. Comfortable seat. Courteous crew. Easy transfer."
Pros: "This was a completely hassle free trip. No aggressive, angry flight attendants. The usual United Airlines features that I have become numb to were entirely a absent. The 2 hour delay did not happen!"
Cons: "The attendants could have come down the aisles a few more times. I got pretty dehydrated & had to get up & ask for water."
Pros: "Staff were helpful."
Cons: "It was advertised that one can see entertainment through WIFi, but from my iPad, i can't connect to this WiFi. I tried several times until I just gave up."
Pros: "Everyone was so friendly and helpful, especially Ricardo at the check in desk. Our flight was delayed for 2 hours but the friendly staff made it easier to deal with the delay!"
Cons: "We thought we were going to be flying on British Airways American Airways."
Pros: "Did not use"
Cons: "Tight seating"
Pros: "Friendly and helpful crew."
Cons: "Not sure why American would fly a plane across the country with no electrical outlets, entertainment options, or food beyond snacks."
Cons: "Easy direct flight. No issues."
Pros: "On plane staff was attentive and very pleasant."
Cons: "Delayed flight departure. New norm, being late?"
Cons: "You overbooked the flight"
Cons: "My tickets ultimately were booked through Kayak/webjet. I will never book through webjet again. You can't directly speak with an agent. They never sent me my e-tickets. I couldn't download my tickets prior to arriving at the airport. It was super confusing because I couldn't figure out whether I was flying on British Airways or American Airlines. I didn't know what terminal to go to. I finally checked in with American even after they told me to go to British Airways. Next, American said that my booking was messed up such that they couldn't check my bag through. So at Chicago I had to exit the Secure area, pick up my bag from baggage check, check it back in and go back through security. I still didn't have my ticket for the chicago-barcelona leg of the trip. At American, they told be I had to exit the airport again to go to British Airways for the Chicago- Barcelona leg of the trip. Luckily, i asked another agent and she confirmed my flight was though American. It was the most confusing flight experience, I have ever had."
Pros: "good timing"
Cons: "snacks and beverages..."
Pros: "Good service, as efficient as possible"
Pros: "why you have send email for survey I cancelled my trip do to emergency/ for sorry really sorry,"
Pros: "Everything smooth. No hang ups"
Pros: "Fastest flight I've ever had!"
Pros: "Very friendly crew."
Cons: "Plane landed in Pittsburgh an hour and a half late because of mechanical issues. So that was inconvenient."
Pros: "Boarding was easy and i had a great seat."
Cons: "It wasnt a long flight so there was no entertainment and minimal food."
Pros: "entertainment system was very good"
Cons: "american airlines offers no choice of food for flights of 4 hours or more, that is a shame, that says a lot about a very powerful airline. shame."
Pros: "Crew was great"
Pros: "Everything was very good!"
Cons: "Seats too close, can hardly turn around!"
Pros: "Lots of free movies."
Cons: "No free food."
Pros: "Our extra leg room seating was fantastic. The crew was delightful."
Cons: "The entertainment was just okay."
Cons: "it was really bumpy"
Cons: "Seats are uncomfortable. Seats are too close together, not wide enough, to short, no knee room."
Cons: "Media entertainment selection"
Cons: "Nothing really"
Pros: "Dreamliner comfort."
Cons: "Better food and drink options."
Pros: "Crew was nice and accommodating, wishing more crews were as great and friendly."
Cons: "Non business class passengers were constantly using the business class bathroom, curtains were not drawn."
Cons: "The seat that don’t recline have a very poor posture to begin with. Flight was delayed and didn’t depart for a while."
Pros: "Movie selection"
Cons: "More drink service"
Pros: "Food was delicious! Crew was very nice and friendly and plane was very clean."
Pros: "Good crew, good and safe flight. Thank you!"
Cons: "Nothing."
Cons: "THE TEMPERATURE WAS FREEZING. THE COLDEST FLIGHT IVE EVER BEEN ON AND IVE BEEN ON A LOT. IT FELT LIKE IT WAS 30-40 DEFGREES."
Pros: "The boarding was fast and the flight was Short. Can’t say much about the food since the flight took only about over an hour. The crews were nice and friendly."
Cons: "The flight was delayed."
Pros: "Customer service in Business Class."
Cons: "Getting to San Francisco flight was canceled, make a line for 3.30 hours to let us know what they were going to do with us, they give the place to go at 3 a.m with not directions were to take a bus , later someone come and told us the bus stop running at that time and I have to go upstairs to take a taxi, I was alone and not use to be alone at that time never in my live I had to pretend I was afraid. Of course the hotel only take you until 12pm so I spend so many hours in the airport waiting for re ticketing they told us to be at 6pm we wait and I got my ticket leaving at 9.45pm but the crew come one hour and half late. From Panama to Lima flight was late . I had a conference very important to be Saturday morning, I lost my investment and relationships with the company I was going to start a business there excuse was they couldn’t relay on my punctuality, honestly. I got there more than a day and half LATE. If you ask me how was my trip I will tell you horrible and I can’t recommend anybody, this company doesn’t have any personality at all"
Pros: "There was nothing I liked about this flight."
Cons: "No verbal announcements during boarding meant this flight had a very chaotic beginning. I cannot believe how tight the seats are on United's planes, and I am not a terribly large person. Airlines that still charge passengers for in-flight entertainment deserve a special sort of hatred that they receive, and United is the worst for this. Charging for wifi and movies is straight out of the year 2000, and that's squarely where United is. If JetBlue can offer free wifi, complementary movies and TV, snacks that are not stale, and an extra inch of legroom so can United. I hate this airline."
Cons: "My 10:00 p.m. flight was canceled so I had to spend the night trying to sleep in the airport. Have you ever had to do that? Not fun."
Cons: "No food provided"
Cons: "Seat was too small"
Pros: "Good pilot"
Cons: "Everything else and being really late"
Pros: "Boarding quickly"
Cons: "Delayed"
Cons: "no legroom"
Pros: "Overall service"
Cons: "Couldn't sell us snack during regular service (we were at front of economy cabin) and had to wait to almost end of flight."
Pros: "Service Cleanliness Food Entertainment Boarding"
Cons: "Length of Flight"
Pros: "Very smooth fligh and very friendly and helpful staff"
Cons: "The seats were extremely crammed and there were no movies or shows without purchase"
Pros: "No delay, friendly crew"
Cons: "12+ hour flight with no working outlet to charge phone or headphones. When I asked to move to a seat that had a charger, they basically said no - even though there were about 20 open seats in the next "economy class" level. So for 6 hours, after my phone died, I basically stared at the wall and then had no phone to assist with my directions or hotel reservations once we landed. Food was not good. Plane was old, and had a few random screens playing a movie that kept freezing and had to be restarted."
Cons: "I wish my plane was on time and we didn't have to board twice! I wish you would refund my missed train ticket and $100 taxi ride that occurred because of the delay!"
Pros: "Boarding Crew Leg room Entertainment"
Cons: "Snacks"
Cons: "Flight was canceled. Rescheduled on next morning on economy class even though the original tickets booked for business class. No hotel, food voucher, etc. were provided blamed on the weather condition even though the bad weather was 1-2 days ago, and on the day of departure it was air traffic control problems which was stated in cancellation email."
Pros: "No delays. No problems"
Cons: "There should be more free food."
Pros: "Everything went smoothly and as planned."
Cons: "nothing to complain about on this flight."
Pros: "American Airlines"
Cons: "Dear United Airlines, It is my dearest wish that reading the following inflicts upon you at least a fraction of the stress, frustration, and pain that I have been through traveling with you today- you absolutely abhorrent excuse for a company. Due to your incomparable incompetence my arrival was inexcusably delayed almost 12 hours. An account follows: For a company who's customer service is already hanging by a very thin thread you would think that you would be doing everything to make your flights as smooth and pleasant as possible. Shall I elaborate on the utter frustration and boredom of being trapped in the San Francisco airport facing not one, not two, but what became SEVEN delays? Delays that have been caused by runway maintenance- a condition which someone in your company would have known about well before I got to the airport and that you simply did not plan for. A almost FOUR HOUR delay that could have been easily avoided if you just had things together and scheduled your planes around the affected runways. And let's not forget the additional delay caused when your flight crew simply couldn't be found to come to the gate so we could start getting underway! But no, I think the absolutely outstanding quintessential experience that defines flying with United airlines is this: After the above delays myself and my fellow passengers were finally able to board our flight- only to be told by the captain that there would be another brief delay while we waited for ANOTHER crew member because one of the pilots was near the end of their union hours. We sit on the plane stuck for another 20 minuets or so, only to be told they can't find anyone, and can we please get off the plane because our WHOLE FLIGHT is CANCELED. The kiosk I get to try and fix this is uncrowded but understaffed and run by clearly undertrained employees. The ones I'm dealing with keep having to ask each other for help, and give advice/plans that contradict one another. One of theme even takes what seems to be a personal call while 'assisting' me. When I finally get ahold of a supervisor I have to plead to get the next flight out of this godforsaken place, which I am reluctantly given as its with one of your competitors. Talking with other customer and airport staff is sounds very much like you are delaying/canceling flights for your own personal gain or at least not correcting flights around the situation to squeeze more money from the situation) it becomes quite clear that you are not only still incapable of accepting any real measure of accountability but entirely disgracefully unorganized.  Almost 12 hours later I do finally make it home- thanks to American Airlines.  Only to have the utter displeasure of one last interaction with United wherein when I pick up my bag your employees insist that I was delayed due to the weather and it wasn't your fault. It was entirely absolutely your fault."
Pros: "I liked the entertainment to make the flight go by quicker and the comfortability of the seats."
Cons: "There was nothing I didn't like."
Pros: "The seats were extra comfy & roomy."
Cons: "I was connected to the free inflight wifi but couldn't get any movies to actually load."
Cons: "Choppy"
Pros: "The crew was very nice and polite. Service was prompt and excellent"
Cons: "Excessively long layovers. I came home with 3 broken ribs and had to endure a 11 hour layover in Japan and another 6 hour layover in San Francisco."
Pros: "No entertainment unless you pay, but you can't turn the tv off, so it's playing bright ads in your face all night. Awesome."
Cons: "If you want to feel like you're riding the most cramped Greyhound bus, definitely ride with united."
Pros: "crew was friendly"
Cons: "Seats barely recline. No leg room"
Pros: "Free new release movies available for free. Pretty good for a domestic flight. Lots of choices to choose from. Staffs were friendly, helpful, and attentive."
Cons: "No spaces left for carry-on luggage, even if I was able to put mine away. I felt bad for those after me."
Pros: "The pilot was great. The smoothest take off and landing on the San Fran to Pittsburgh flight"
Pros: "okay"
Cons: "okay because it was short"
Cons: "Flight delay"
Pros: "The view and legroom was nice."
Cons: "I collect disability each month so I am on a very tight budget. The Spanish speaking woman that pushed my wheelchair told me that I can bring my water bottles full of water through the metal detectors. I asked if she could take me somewhere to pour them out and refill them on the other side. They threw them away at the metal detector. So I had to buy a new bottle for my medicine that I have to take. You would think she would have got it by me carrying these bottles around but nope. She actually said to me that I can give her gratuity now if I wanted. I gave her $1. She then replied in a sarcastic voice " Thankyou you are soooo generous. I don't like feeling obligated to tip somebody because I am disabled and have a bullet in my head."
Pros: "Nothing"
Cons: "Same.as above."
Pros: "Quick-ish boarding"
Cons: "No food. No entertainment. No power. Garbage, lowest rung "bus in the sky" service"
Cons: "Same as above"
Pros: "Entertainment available; happy that it was free; blanket and pillow"
Cons: "The seats are uncomfortable to sleep in so I didn't sleep at all from San Francisco to Bradley; wished my seat had somewhere to plug my phone"
Pros: "I missed my flight and the front counter was very, very cheerful at 8pm and helpful. I was able to get on the last flight. There was no food or entertainment, but it's a short flight. I didn't really mind. Just happy to go home in comfort with my upgraded exit aisle seat and no one next to me."
Cons: "Nothing."
Cons: "My itinerary had to completely change."
Cons: "We were diverted from Pittsburgh because of fog. Other flights landed shortly thereafter from other airlines which was frustrating, but a short delay did not ruin the day. We landed instead at Dulles. After sitting and waiting for hours we were finally all put back on the plane. Then we taxied out before the pilot told us they were over their hours or something along those lines and couldn't submit the paperwork necessary to take off. We went back to the gate and were told to wait some more in case there were more pilots. No more pilots came. No more flights were available. Instead we all hovered either around the gate desk or the customer service desk where we were told we couldn't be helped. We were instead forced to pile onto buses nearly 5 hours after we had landed at the wrong airport. We then spent another 6 hours on the road driving to Pittsburgh on a bus that was crowded and hot because the air conditioning kept failing. Because of some fog and a lot of incompetence, I arrived in Pittsburgh over 12 hours after I was supposed to. My trip in total lasted 20 hours from my flight in Seattle taking off. I missed an important event for the wedding that weekend, which was upsetting given the distance I had to travel and the amount of extra time I had scheduled in for myself, but the way we were treated was worse. There was no positive communication. Nobody knew anything. We were clearly an inconvenience that nobody knew what to do with so they just kept trying to push us off to the next person. It was infuriating and unacceptable I will never fly United again if I can possibly help it."
Cons: "Flight was delayed three hours due to mechanical problems, sat on aircraft to long before decision was made to change aircraft,multiple changes in gate which lead to long walks across airport. Should get some sort of refund for a lot of frustration and waiting"
Pros: "Snacks on board - but not always available. Liked that the flight was direct."
Cons: "Didn't like middle seat, but had no option. Didn't like having to pay for movies so I didn't. Didn't like restrictions on luggage and having to pay to check in a bag. Didn't think the staff were friendly or helpful at all. Wouldn't recommend this airline to my friends because of those reasons. Need more improvements."
Pros: "The softest landing on our whole trip!"
Pros: "Seats are not that small . It’s comfortable"
Cons: "Was the worst flight ever check in was opened late , computers were down , boarding was horrific , problems with many people and seating , flight left late ,"
Pros: "Really nice crew, really efficient boarding, I loved my seat assignment and the price was RIGHT!"
Cons: "Couldn't recline the seats, pretty harsh that you don't even get pretzels but I get it y'all."
Pros: "Great crew and flight despite bad turbulence"
Cons: "The flight was delayed 3 hours and then the actual boarding process took another 30 min. Should’ve arrived at my destination by 6 and it’s now it’s 930"
Pros: "Everything good"
Cons: "The chairs"
Cons: "Flight was delayed by almost two hours so I missed the flight from Denver to Charlotte. Because of the way this flight was sold to us and booked through Kiwi.com, there was nothing that could be done to get me on another flight. The only option was to wait for a Frontier flight which wasn't available until Monday morning. I had to book another flight on a different airline at a cost of $600."
Cons: "Negative leg room, Hugh bag fees that were not stated in the original purchase"
Pros: "I was appreciative to get home."
Cons: "I don’t like that you have to pay for seats. I find that ridiculous. I spent $500 for ea leg anyway and was annoyed that there were no seats available unless I wanted to pay more. The flight was scheduled to leave at 7:30 PM and was delayed until 10:52 PM departure. That was awful as we got into our bags at 1:45 AM. Seats don’t recline so it was uncomfortable as well."
Pros: "The crew was friendly. They got me to and from my destination safely."
Cons: "I resented the fact that we being charged about $3.00 for a can of soda after we paid premium for the flight and there was absolutely no entertainment. Hated the fact that I paid almost $80 just to take my clothes o. My vacation. Guess I should have gone naked, would have been $80 cheaper."
Cons: "Hidden costs,delayed flight,had to pay for carry on $35, had to pay for seat $30, plane was old"
Pros: "Nice crew."
Cons: "Our flight was supposed to leave at 6:40 PM but was bumped back until after 8 PM due to storms in the landing city however two other airlines in the same airport heading to the same city left on time."
Cons: "The flight was delayed and we got a notification from google, but when we called Frontier, they said it was on time. And when we reached the airport they said, its been delayed. It caused a lot of inconvenience. Very unprofessional."
Pros: "Waited over 45 mins to check my bag almost missed my flight and I pre checked in. Very Disappointed with no drink or food not good I won't be flying Froniter anytime soon"
Cons: "The crew was very nice"
Cons: "The flight was delayed for no reason given. The seats don't go back anymore-that sucks for long flights. To charge $2.99 for a soda that once was complimentary is insane! The bag prices are ridiculous. You trick people by offering ok prices for the original airline ticket, then charge outrageous prices for bags and drinks. Very disheartening. I will never fly Frontier again."
Pros: "Super professional, courteous, and helpful flight staff. Seat was uncomfortable, but it was a short flight, so I had a weird plastic bottle of wine and cared less."
Pros: "check in crew were very pleasant and helpful, making the check in process very smooth despite multiple people, skis,etc. You are getting nickeled-and died- but I planned for that in advance, and despite that it was still a value compared to other airlines."
Cons: "seats are uncomfortable. If flights get cancelled (mine were not!), you are screwed because Frontier does not partner with other "sister" airlines, so you will have to wait a long time for a rescheduled flight or change airlines on your own dime"
Pros: "Friendliness of crew. Captains' explanation (on the return leg of our flight) of why it took sooo long to know why our flight was repeatedly delayed. Extra leg room seats for purchase."
Cons: "Having to purchase my seat, paying to have a carry on and for EVERYTHING else- a la carte style!"
Pros: "Frontier's flights is very inexpensively priced. It is a budget airline but clean and comfortable. Baggage and food are added to your ticket price so if you don't need these items the price is right."
Pros: "Flight was good and landing smooth."
Cons: "No beverages or snacks were offered. The flight was a late night flight and there was no where refreshments or beverages could be purchased, hence I was forced to fast for 6 hours."
Pros: "I thought the planes were nice and clean although I guess that's the point."
Cons: "Charging for the first piece of luggage/carry on just isn't nice. I can see charging for people who fly with excessive pieces but this is my first time flying Frontier and to charge someone who brings one airline approved suitcase just isn't nice. I'm sure it's too much to ask for ANY sort of TV/Movie. I mean you fly to Orlando, if you put on a Disney movie it would be like shooting fish in a barrel and may even keep the kids a little quieter. Seeing as I have no children it would be great to have them slightly entertained if only for a little peace. I could care less about food/beverage options which of course were extra which I quickly realized was the name of your game. My reasonably priced $200 plane ticket became a $340 plane ticket once I realized there are no options but to either pay for my luggage or vacation naked. Also I was charged one price on my departing flight and a different price on my return flight for my luggage. When I asked why I was told the prices changed that very week. How convenient for your airline and nobody else."
Pros: "Literally. Nothing. Showing up at my destination alive, I guess."
Cons: "2 hour delay, then a three hour delay bc of weather. Another 45 minutes taxi-ing, then back at the gate because a passenger had to be escorted off because he didn't have a boarding pass. We were rushed to board he flight in the first place before the flight crew timed out; we finally took off at 2am with exhausted pilots which was terrifying. Also frontier charges for all bags and all seats, instead of including it in their base fee. Plane is tigjt and uncomfortable, no on board entertainment and seats don't recline. Most passengers were drunk and rowdy after long wait at the airport, and a man was busted for smoking weed in the bathroom. And someone else sat in my seat. THE WORST FLIGHT EXPERIENCE I HAVE EVER HAD--an all around disaster."
Cons: "We paid for seat both way. Our returning flight moved our seats so we were no longer sitting together. Had to then go through the check in line ( even though we already had our boarding passes) to have the seat problem resolved. Only to be told that we never purchased seats. I had the documentation of the purchase and was still told we did not purchase seats. Not pleased."
Pros: "The flight arrived 40 minutes early."
Cons: "I paid $40 for a carry on. The plane was not pressurized, I've never had my ears hurt to bad on a plane."
Pros: "Leg room that I paid extra for"
Cons: "Staff very rude, continuously asked if the passengers next to me spoke English even though they obviously did, very uncomfortable chairs"
Cons: "Couldn't move the seat back at all. Couldn't sleep."
Cons: "Every time we fly with Frontier we are always delayed for hours. My husband did not even want to fly with Frontier but i told him this time may be different but I was wrong. Flight was suppose to leave at 9pm we didnt leave until close to 12am. Also, I am pregnant so I was so looking forward to arriving on time and getting food and into bed. (restaurants close at 8 at the Indianapolis airport) Very disappointing will be the last time we fly Frontier."
Cons: "We sat on the tarmac for about 1.5 hours in Denver before we could leave the plane."
Cons: "Both times flights were delayed by minor maintenance or paper issues. Seems Frontier is not so efficient at preparing flights mechanically and paperwise as other airlines. Or maybe they had to run to Home Depot for a part. Either way it seemed they should have anticipated the minor issues earlier rather than delay the flight."
Pros: "Flight was smooth, and the staff were all very friendly."
Cons: "I didn't like the fact that you had to pay for carry on bags. I have never been asked to pay for a carry on bag, and fealt it was a cheap way to make a buck of clients."
Cons: "The flight was cancelled. No big deal. It happens. But the the manager at the ticket desk took two hours to figure out a solution. His "solution" was to print out a phone number, hand it out to each of the passengers and then tell them to call because "there was nothing else he could do for us". And then he left to some back office and didn't come back out. The phone number he gave everyone was out of service. I called the regular customer service and asked them to help me rebook a new flight. They refused and said only the employees at the ticket counter could assist. The ticket counter people offered a refund over and over. But why would I want a 100 refund when I needed to book a 3-400 dollar flight to get to my destination. About eight hours, a couple of yelling matches, getting hung up on twice, and several actual tears later, I finally got a flight booked but the earliest flight they could find was 24 hours after my original scheduled arrival time. I'm writing this thirty minutes into my wait for a hotel shuttle. Long story short, I will take a greyhound or catch a cab or walk to my destination before I ever use frontier again"
Pros: "It was a smooth ride despite the weather in PHL"
Cons: "Flight was delayed one hour, my white luggage got two big footprints on and black marks all over, so they didn't handle my luggage with a little bit of care, waited 26 min at the baggage claim to get my now dirty luggage, there weren't complementary snacks on the plane."
Cons: "I missed my flight because they closed the check-in counter and hour before departure."
Cons: "Charged for every additional thing so the cost of the ticket was not true."
Cons: "Flight left 45 minutes late with no alerts, uncomfortable planes, tray "tables" couldn't hold more than a deck of cards and a small coffee, nickel and dime for everything, no wifi"
Pros: "Efficient boarding, arrived early"
Cons: "Had to pay extra for everything--seats, sodas, bags both carry-on & checked. Seat tray miniscule"
Cons: "They charge for water. WATER. They charge for a carry on. The plane felt like it was going to fall apart. After an hour of turbulence, I started to feel sick but thankfully didn't have to throw up because there were no vomit bags. If you need a really cheap flight and are only bringing a purse, it would be a decent. But be prepared for rude people, discomfort, and turbulence. A misleading, unprofessional company."
Pros: "Plane was newer, very clean. Seats were comfortable and the flight crew was amazing. Pilots were friendly and kept us in the loop on flight time, turbulence, etc. Flight crew was amazing and very friendly."
Cons: "Seats don't recline??"
Pros: "Pilot was excellent. Nice take off, and landing."
Cons: "I had to pay for a carry on, both ways, this added $80 to my flight. I could have gotten a cheaper flight. Flight was delayed due to broken air conditioning that didnt work the full flight."
Pros: "The crew was friendly and the plane was clean. Seats aren't too bad either."
Cons: "This is the only airline I know of that charges for a carry on bag as well as non-alcoholic beverages. Also, the charging for seats is ridiculous."
Cons: "Hidden seat and carry on fees. Come on now. What is the likely hood someone doesn't have a bag flying 2500 miles. You're going to charge for that in addition to the ticket? Plus, yes plus another charge to select a seat. Super dumb and honestly a bit childish. Put your entire price online and let people pick. Also note zero wifi. I know you're a lower tear airlines but it's 2016! Give the people the all in price and if you won't give them entertainment or wifi make worth their wild. Also note, the tray table was about the size of a tablet, I couldn't even use my computer to do local work during the flight. I appreciate the safe flight but from a high level: 1: make your online prices more transparent. 2: if you're going to be lower tear, make it clear that wifi and infighting entertainment isn't included. People will still choose to fly cheap, but to burry hidden charges is horrible."
Pros: "If Kayak wants to boost its website it should give overall projected costs for flights not just bare bones prices. Frontier is the biggest nickel and diming company since Ryan Air. What a disgusting and dubious way to run a business. Worst experience ever. I have had and continue to have status with at least two of the large carriers, so I have flown a lot. Too bad no one else could provide the direct flight to Cincinnati."
Cons: "If Kayak wants to boost its website it should give overall projected costs for flights not just bare bones prices. Frontier is the biggest nickel and diming company since Ryan Air. What a disgusting and dubious way to run a business. Worst experience ever. I have had and continue to have status with at least two of the large carriers, so I have flown a lot. Too bad no one else could provide the direct flight to Cincinnati."
Pros: "Easy check in, comfortable plane, friendly staff."
Cons: "Everything is extra. Once you buy your tickets you find out you have to pay for your seat assignment, carry on luggage is $30.00 each way for a total of $60.00, checked baggage is $25.00 each way for a total of $50.00. What really got me was that they charges passengers $1.99 for a cup of water on the flight. Passengers should take this into account when comparing to other carriers."
Cons: "I took off time from work today to catch a 5:25 flight from San Francisco to Denver, arriving at 9:05. It's now 11:55 pm and I am still sitting at gate 21 with a whole bunch of people other waiting for a plane to arrive. My only choices are to wait of this plane to show up, or come back in the morning to take the 5:45am flight. I have business meetings in Denver tomorrow morning. I had a car rented and a hotel reserved. The car rental in Denver closes is 5 minutes. The thing that's the most upsetting is that we keep receiving erroneous information. The original departure time was 5:25. Then we were told 6:00. Then we were told 9:00pm. Then we were told 12:03, Then we were told 12:20. Now we are being told they don't know when the plane will arrive to take us to Denver. I will NEVER fly Frontier again."
Pros: "price of ticket and friendliness of crew."
Cons: "paying for a carry-on and not being told during booking that this would be an added fee. my belt buckle was covered w/ food from a baby or young kid."
Pros: "The staff was very helpful, I needed assistance and they were there to take care of my needs."
Cons: "How the airlines charges for everything except water."
Pros: "Nothing"
Cons: "Service, seats, everything...not worth the cheaper price"
Pros: "Crew was excellent and fun"
Cons: "Overcharging for baggage"
Pros: "Landings were very smooth."
Cons: "1. Charged $40 for carry-on (each way) 2. Charged $2 for tea. 3. Charged $20 to choose my seat (each way). 4. Flight was 90 minutes late (on a 2 hour flight), no explanation given. 5. Flight delayed another hour due to mechanical problems, no compensation offered, tea still $2."
Pros: "Good price, early arrival"
Cons: "Rude service at checkin by Keisha and cabin temperature during boarding was in the 80s"

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Recent round-trip flight deals

4/6Thu
1 stopFrontier
19h 42mSFO-PHL
4/10Mon
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13h 21mPHL-SFO
$164
4/20Thu
1 stopFrontier
19h 42mSFO-PHL
4/25Tue
1 stopFrontier
13h 21mPHL-SFO
$168
4/10Mon
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13h 25mSFO-PHL
4/12Wed
1 stopFrontier
17h 09mPHL-SFO
$169
4/10Mon
2 stopsFrontier
13h 25mSFO-PHL
4/18Tue
2 stopsFrontier
17h 47mPHL-SFO
$174
4/19Wed
1 stopMultiple Airlines
11h 51mSFO-PHL
4/24Mon
1 stopMultiple Airlines
19h 40mPHL-SFO
$176
4/20Thu
1 stopFrontier
19h 42mSFO-PHL
4/24Mon
2 stopsFrontier
17h 42mPHL-SFO
$180
4/18Tue
2 stopsFrontier
10h 36mSFO-PHL
4/20Thu
2 stopsFrontier
18h 12mPHL-SFO
$184
4/10Mon
1 stopFrontier
13h 29mSFO-PHL
4/12Wed
1 stopFrontier
13h 21mPHL-SFO
$185
4/21Fri
1 stopMultiple Airlines
12h 19mSFO-PHL
4/24Mon
1 stopMultiple Airlines
19h 40mPHL-SFO
$187
4/25Tue
1 stopMultiple Airlines
12h 14mSFO-PHL
5/2Tue
2 stopsMultiple Airlines
17h 34mPHL-SFO
$191
4/25Tue
1 stopMultiple Airlines
12h 14mSFO-PHL
5/2Tue
2 stopsMultiple Airlines
17h 34mPHL-SFO
$192
4/25Tue
1 stopMultiple Airlines
12h 14mSFO-PHL
5/2Tue
2 stopsMultiple Airlines
17h 34mPHL-SFO
$194
4/26Wed
1 stopMultiple Airlines
19h 35mSFO-PHL
5/2Tue
2 stopsMultiple Airlines
17h 34mPHL-SFO
$196
4/25Tue
nonstopUnited Airlines
4h 56mSFO-PIT
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5h 32mPIT-SFO
$268
4/28Fri
nonstopUnited Airlines
4h 56mSFO-PIT
4/29Sat
1 stopUnited Airlines
10h 55mPIT-SFO
$272
4/25Tue
1 stopJetBlue
12h 18mSFO-PIT
4/29Sat
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10h 08mPIT-SFO
$277
4/18Tue
nonstopUnited Airlines
4h 56mSFO-PIT
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8h 01mPIT-SFO
$278
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7h 55mPIT-SFO
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1 stopFrontier
19h 48mSFO-PHL
$90
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15h 59mSFO-PHL
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2 stopsMultiple Airlines
18h 48mSFO-PHL
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10h 35mSFO-PHL
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10h 28mSFO-PIT
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7h 23mSFO-PIT
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9h 57mSFO-AVP
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8h 21mSFO-ABE
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San Francisco - Pennsylvania Flights

Departure:

San Francisco (SFO)United States

Return flight deals:

Pennsylvania - San Francisco

Cabin classes:

$1,135
$1,216
$766
$251