SFO - PHX

$60 Find Cheap Flights from San Francisco to Phoenix Sky Harbor Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Sky Harbor Intl departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Phoenix Sky Harbor Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Phoenix.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Phoenix.
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Everything you should know

Cheapest round-trip
$91
Overall average: $218
Frontier
Mon 3/9Wed 3/11
SFO - PHX • Non-stop
Cheapest non-stop
$91
Typical prices: $154-$312
Frontier
Mon 3/9Thu 3/12
SFO - PHX • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest offers two free checked bags for economy fares.
PHX provides a free Sky Train to downtown Phoenix.
Expert advice
Expert advice
Expert advice
Expert advice
Video guide: How to find cheap flights to Sky Harbor Intl
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Top airlines
Frontier
Cheapest • from $91 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
July
Cheapest • 17% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Sky Harbor Intl!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Francisco to Sky Harbor Intl (SFO-PHX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Sky Harbor Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Sky Harbor Intl

Mon, Mar 9 - Wed, Mar 11
Frontier Logo
10:35 pm - 12:43 am
SFO
-
PHX
2h 08mnonstop
Frontier Logo
12:17 pm - 9:38 pm
PHX
-
SFO
9h 21m
1 stop
$91Frontier
Sat, Feb 28 - Thu, Mar 5
Frontier Logo
8:58 am - 6:11 pm
SFO
-
PHX
8h 13m
1 stop
Frontier Logo
6:00 am - 7:20 am
PHX
-
SFO
2h 20mnonstop
$92Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
2:25 pm - 8:29 pm
SFO
-
PHX
5h 04m
1 stop
Frontier Logo
6:00 am - 7:20 am
PHX
-
SFO
2h 20mnonstop
$93Frontier
Mon, Feb 23 - Thu, Feb 26
Multiple Airlines Logo
4:11 pm - 7:10 pm
SFO
-
PHX
1h 59mnonstop
Multiple Airlines Logo
6:00 am - 7:20 am
PHX
-
SFO
2h 20mnonstop
$94Multiple Airlines
Sat, Feb 28 - Fri, Mar 6
Frontier Logo
7:08 pm - 10:15 pm
SFO
-
PHX
2h 07mnonstop
Frontier Logo
3:30 pm - 4:46 pm
PHX
-
SFO
2h 16mnonstop
$95Frontier
Wed, Feb 11 - Thu, Feb 12
Frontier Logo
6:55 am - 5:19 pm
SFO
-
PHX
9h 24m
1 stop
Frontier Logo
6:00 am - 7:20 am
PHX
-
SFO
2h 20mnonstop
$96Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
9:03 am - 8:29 pm
SFO
-
PHX
10h 26m
1 stop
Frontier Logo
6:00 am - 7:20 am
PHX
-
SFO
2h 20mnonstop
$97Frontier
Fri, Feb 27 - Tue, Mar 3
Frontier Logo
8:18 pm - 11:21 pm
SFO
-
PHX
2h 03mnonstop
Frontier Logo
8:04 pm - 6:20 pm
PHX
-
SFO
23h 16m
1 stop
$98Frontier
Mon, Mar 2 - Mon, Mar 16
Frontier Logo
3:18 pm - 6:23 pm
SFO
-
PHX
2h 05mnonstop
Frontier Logo
8:14 pm - 9:38 pm
PHX
-
SFO
25h 24m
1 stop
$99Frontier
Mon, Feb 2 - Thu, Feb 12
Frontier Logo
8:42 pm - 11:44 pm
SFO
-
PHX
2h 02mnonstop
Frontier Logo
6:00 am - 7:20 am
PHX
-
SFO
2h 20mnonstop
$100Frontier
Booking Insights

KAYAK's insights & trends for San Francisco to Sky Harbor Intl flights

Get data-powered insights and trends into flights from San Francisco to Sky Harbor Intl to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to Phoenix Sky Harbor Airport
Find cheap flights to Phoenix Sky Harbor Airport

Planning a trip from San Francisco to Sky Harbor Intl? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from San Francisco to Phoenix Sky Harbor Airport?

The average price of all round-trip flights from San Francisco to Phoenix Sky Harbor Intl Airport clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Phoenix Sky Harbor Airport on a Saturday and more expensive on a Sunday. On your return trip to San Francisco, you should consider flying back on a Friday, and avoid Tuesdays for better deals.

What is the cheapest month to fly from San Francisco to Phoenix Sky Harbor Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Phoenix Sky Harbor Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Phoenix Sky Harbor Intl Airport is July, where tickets cost $177 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $276 and $258 respectively.

How far in advance should I book a flight from San Francisco to Phoenix Sky Harbor Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Phoenix Sky Harbor Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Phoenix Sky Harbor Intl Airport, you should book around 3 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from San Francisco to Sky Harbor Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on Southwest and SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Laura Ratliff

Laura Ratliff

Expert on PHX

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Good to know

Low seasonAugust
Cheapest flight$60
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from San Francisco to Phoenix Sky Harbor Airport

When to book flights from San Francisco to Sky Harbor Intl

Are your dates flexible? Find out the best times to travel from San Francisco to Sky Harbor Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Francisco to Phoenix Sky Harbor Airport flights

  • Where can I park my car long-term at San Francisco Airport?

    Leave your car at San Francisco Airport during your time in Phoenix and choose from one of the long-term parking lots available. There is a garage as well as a lot, and both cost approximately $25 per 24h. Shuttle buses connect the parking lot with the airport and run 24/7.

  • How can I get from Phoenix airport to the city center?

    The PHX Sky Train not only connects the terminals, but also operates between the airport and the 44th Street and Washington Station. From there, the Valley Metro Rail is your quick and convenient connection to Phoenix. A ride on the metro costs approximately $2 per trip and ticket machines are positioned at the station.

  • Where can I sleep to stay close to Phoenix airport?

    There is no onsite hotel possibility at Phoenix airport, but plenty of nearby hotels guarantee a comfy bed after your arrival. A 5m drive from the airport, the Aloft Phoenix Airport offers a free airport shuttle and a 24h front desk. Another option is the equally close Crowne Plaza Phoenix Airport.

  • Where are pet relief stations at Phoenix International Airport?

    Your furry friends may want to stretch their legs too after the flight from San Francisco to Phoenix, so head to the many pet relief areas dotting the Phoenix airport. One pet patch is located east of terminal 2, and another is at terminal 3 on the first floor. Among some others, there is also a pet relief station at terminal 4 on the first floor.

  • What is the cheapest flight from San Francisco to Phoenix Sky Harbor Intl Airport?

    In the last 3 days, the lowest price for a flight from San Francisco to Phoenix Sky Harbor Intl Airport was $60 for a one-way ticket and $91 for a round-trip.

  • Do I need a passport to fly between San Francisco and Phoenix Sky Harbor Airport?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from San Francisco to Phoenix Sky Harbor Airport?

    When flying out of San Francisco you will be using San Francisco. You will be landing at Phoenix Sky Harbor Airport, also known as Phoenix Sky Harbor Intl.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to Phoenix Sky Harbor Airport?

    American Airlines, Alaska Airlines, JetBlue, and Delta offer inflight Wi-Fi service on the San Francisco to Phoenix Sky Harbor Airport flight route.

  • Which aircraft models fly most regularly from San Francisco to Phoenix Sky Harbor Airport?

    The Boeing 737-800 is the aircraft model that flies most regularly on the San Francisco to Phoenix Sky Harbor Airport flight route.

  • Which airline alliances offer flights from San Francisco to Phoenix Sky Harbor Airport?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between San Francisco and Phoenix Sky Harbor Airport, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from San Francisco to Phoenix Sky Harbor Airport?

    There are nonstop flights from San Francisco to Phoenix Sky Harbor Airport on a daily basis.

  • Which is the best airline for flights from San Francisco to Phoenix, Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from San Francisco to Phoenix are Southwest and Alaska Airlines. With an average price for the route of $237 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $264 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from San Francisco to Phoenix Sky Harbor Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Phoenix Sky Harbor Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Phoenix Sky Harbor Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phoenix Sky Harbor Airport from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Phoenix Sky Harbor Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Phoenix Sky Harbor Airport with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and PHX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Phoenix Sky Harbor Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Phoenix Sky Harbor Airport from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Phoenix Sky Harbor Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $104 or less one-way and $176 or less round-trip.
  • Various airlines offer nonstop flights from San Francisco to Phoenix, among them United Airlines, Delta, and American Airlines. All three airlines also provide lounges at San Francisco International Airport (SFO), and with a valid boarding pass for your respective airline you can purchase entry passes for approximately $60 at the front desk of your lounge (subject to availability).
  • There are few airports which combine art and aviation as well as San Francisco Airport. Apart from temporary and permanent exhibits throughout the terminals, there is also the Aviation Museum & Library where information-hungry travelers can learn more about the history of aviation. The exhibit is situated in the international main terminal hall and is free to enter between 10:30 am and 4:30 pm.
  • Keep your eyes peeled for the Wag Brigade to sweeten up your time at San Francisco Airport. Apart from the usual human crew, a bunch of tail-wagging dogs (and one pig) roam the terminal halls to bring joy to young and old. You can recognize Wag Brigade members by their blue "Pet Me" vests.
  • Traveling with children becomes a stress-free experience at San Francisco Airport with the many activities for children on offer. Kick off your airport experience in the pre-security area of the international terminal with a visit to the Museum Video Art Program to watch short movies. Head then to one of the many kid-friendly restaurants like the Manufactory Food Hall (international terminal, post-security) or Napa Farms (T2 or International Terminal, post-security).
  • Upon your arrival at Phoenix Sky Harbor International Airport (PHX), you may want to rent a car from the onsite car rental facilities. The airports boasts its own car rental center, situated a short walk from Terminal 2 on Sky Harbor Circle South. Companies represented there include Alamo, Enterprise, and Hertz.

Prefer to fly direct from San Francisco to Phoenix Sky Harbor Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Francisco to Phoenix Sky Harbor Intl.
Find which airlines fly direct from San Francisco Airport to Phoenix Sky Harbor Intl Airport, which days they fly and book direct flights.

Direct departures

San Francisco to Phoenix Sky Harbor Intl

Monday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

Tuesday

Alaska Airlines, American Airlines, Southwest, +1 more

Alaska Airlines, American Airlines, +2 more

Wednesday

Alaska Airlines, American Airlines, Southwest, +1 more

Alaska Airlines, American Airlines, +2 more

Thursday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

Friday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

Saturday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

Sunday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

See more direct flights

Direct returns

Phoenix Sky Harbor Intl to San Francisco

Monday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

Tuesday

Alaska Airlines, American Airlines, Southwest, +1 more

Alaska Airlines, American Airlines, +2 more

Wednesday

Alaska Airlines, American Airlines, Southwest, +1 more

Alaska Airlines, American Airlines, +2 more

Thursday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

Friday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

Saturday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

Sunday

Alaska Airlines, American Airlines, Frontier, +2 more

Alaska Airlines, American Airlines, +3 more

See more direct flights

Reviews of the top 5 airlines serving from San Francisco to Sky Harbor Intl

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to Phoenix. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to Sky Harbor Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11775 reviews
8.1Boarding
7.1Food
7.8Comfort
8.5Crew
7.0Entertainment
Airline reviews

The Alaska Airlines app made it very difficult to find my boarding pass. It was very frustrating to use! The flight itself was flawless.

8.0 ExcellentMatt, Jan 2026
SFO - PDX
Read more Alaska Airlines reviews

The Alaska Airlines app made it very difficult to find my boarding pass. It was very frustrating to use! The flight itself was flawless.

The flight was excellent and very friendly and helpful staff. Will travel again and recommend to friends. Thank you

Did not have In flight service on my round trip due to turbulence. I did not partake in In flight entertainment. Flight descending into LAX was very turbulent. It would have been nice if the pilot communicated with us during that rough descent into LAX to ease the minds of some of us more nervous flyers.

It was ok. First time flying with them to Boise Won’t do again

They canceled my flight with only a couple hours before checking in at the airport and offered no alternatives to get home.

I had entered my TSA pre number when I bought the ticket but TSA pre was not on my boarding pass. I went to find an agent at check in and there was only one agent one duty for first class and a line of people waiting for check in/baggage with no agent manning that area.

Comfort level was below par. Food selection was non-existent. Paying $35 for 1st bag is never appreciated. I will not fly them again. I am actually trying to change my return flight.

The flight attendants were excellent and I was in the back of the plane. Much much better than recent JetBlue experiences on that route and better than Delta on that route.

I’m not sure there is anything that can be improved, even the cost was fantastic.

Poor. They should have given me a row with more room and instead they put me in a middle seat with two strangers next to me

Great flight but super high price. Glad it was a business trip and not personal

3 hour delay. Had to change plans and was still delayed.

We got exit row seats both flights. Everything was running on time

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

Airline travel is always too cramped to really be pleasant, but the cabin crew on this flight did a pretty good job of making up for it by putting on some music during boarding and sprinkling a few funny remarks into the safety briefing and announcements, and just generally being friendly and helpful. It definitely reminded me of why I prefer the in-flight experience on Southwest!

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

The flight crew where really good. Better then the crew from BNE to SFO

left on time, reasonable boarding process arrived early luggage came out quickly

Pushed back only to get deplaned due to a tire damaged by ground crew. They did at least go pretty fast. The bathrooms should be banned under the Geneva convention. No room to even sit straight on the toilet. The under-seat entertainment units block what little leg room there is.

United airlines has the best customer experience from booking to arrival. I always fly United airlines. The mileage program is excellent

I liked the snacks and the flight attendants were friendly.

Older aircraft, no meal, only food was for purchase. Not impressed United.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Premium Plus is a really good idea for longer flights

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

I love American. I’ll never fly anyone else if I can help it.

The flight was on time and arrived early. The crew were friendly and helpful.

Overall experience was great. Flights were almost on time in departing and we arrived at our destination as scheduled. No issues with amenities or flight crew. Everything went well as as expected. Will fly again with American Airlines in the future!

Boarding was organized and timely. Food was mediocre, especially for first class travel.

I bought wifi and most of the flight could not even use it my apps would just spin. I couldn't even listen to music. super frustrating.

AA delayed the flight for 3 hours and 50 minutes, but delayed the last 2 hours, 30 minutes at a time, so if we knew before, could have stayed at home and worked instead of being at the airport wasting time... The plane's crew was excellent, not their fault.

Things were delayed a little. But that didn’t affect my plans. It was fine. I was surprised it was so full thanksgiving day. The crew were friendly and professional.

Everything was good The connects, with no blame to crew. Or pilots. I understand they are short staffed. Everything went well for me. I'll be using you guys again in May if not sooner.

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

Terrible. Our luggage was delayed and couldn’t be delivered for several days. We got bad information from the airline agents at baggage claim. We had to pick up our car so we wouldn’t be charged for an extra day. We got lost in the maze of airport parking. The baggage claim agents didn’t offer us any compensation for our extra time and expense. We are tired, hungry and very frustrated.

It was ok. It was expensive to check 2 bags ($75.00 per bag), and then it took a long time to wait for shuttle to take us from one terminal to the terminal where the plane was taking off at LAX. And all of this for a flight where we had to pay for any food or drink that was not water.

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

Just know that everything, and I mean everything is “ala cart”. 60$ just to put something in the overhead bin. I will never fly Frontier again nor do I recommend them to anyone else.

This airline sucks. They offer low rates then charge you for everything, the app does not work well, the seats are the most uncomfortable. Maintenance issues on the flight, and you still have to sit through their credit card commercials. People are nice enough but does not make up for overall poor experience.

Flight was delayed one hour. Notification to the crowd waiting near the gate was terrible…announcements were unclear and very hard to hear and therefore understand. Frontier does NOT send texts to notify, only email. The reader board over the gate itself was NEVER updated to indicate the gate had been changed. It’s like a bunch of children are running things.

We’ve all seen the YouTube vids of out of control passengers. But this was an instance of a highly aggressive, bully flight attendant. Yelling in the face of a vet with PTSD who was texting their family. And no , we had not yet been instructed to put our phones in airplane mode. My suggestion is that you should pay whatever difference there is in order to avoid Frontier airlines. Additionally, after 3hrs trying to get customer service frontier offered a $25 voucher. I declined. This experience was so traumatic. To be verbally assaulted and abused by a flight attendant that has the power to say “boo” and I miss my flight ( which was to a family member’s funeral ). Frontier is unsafe and I cannot impress enough how much I discourage anyone ( esp those with any kind of disability like PTSD ) flying on Frontier.

We had to wait in line over an hour just to check our bags. It's a good thing we were so early to the airport. Only one clerk was working and the line was around the corner and down the hall. No good. I felt bad for her. Not sure how she kept her sanity with all the upset people. Then we get to our gate and there is no seating. Everyone was standing. Then I realize it is not a gate at all, we still have to be shuttled to our airplane. Ugh. Then we were late taking off and missed a window of opportunity before the airport runways were shut down for some reason. (not frontier's fault the runway shut down.) The seats on the airline are crammed and there is no cushion. Never had a tighter seating arrangement while flying. My 6' 4" husband was absolutely miserable the whole time with knees digging in to the seat in front of him. You think you are getting a good deal on a ticket, and then wham! I had to pay 75 dollars for our checked bags and 75 dollars for a carry on. No other airline does that!!! And also, there is a 40 pound weight limit on checked bags... Would have been cheaper flying with another airline, and I would have at least gotten a snack and drink. Was thankful for the tiny cup of water at least.

Cancelled flight after I arrived at airport after 75 min drive and parking. Next flight was 4 days in the future. Had to scramble and buy a much more expensive flight on another carrier.

I liked the turn-style feature at gate 209B at LAX. Very efficient process. The gate staff also made several, clearly directed announcements so I felt very informed.

The seats were awful, hard plastic covered in sheet vinyl. The airline tries to scam you into paying extra to get seat together when the flight wasn’t full. They were going to separate a family with young children but my wife who had a row to herself gave up her seat so the young mom could be with her young boys. I’m never giving this airline my money again.

Everything you need to know for your flight from San Francisco to Sky Harbor Intl

Other airlines flying to San Francisco

Flight deals from the most popular airlines with KAYAK users flying the route