PHL - SFO

$198 Find Cheap Flights from Philadelphia to San Francisco - Compare and Save

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Everything you should know

Cheapest round-trip
$349
Typical prices: $349-$518
Frontier
Thu 11/1Sat 11/3
PHL - SFO • 2 stops
Cheapest non-stop
$379
Typical prices: $350-$529
United Airlines
Sat 10/6Sat 10/13
PHL - SFO • Non-stop
Nonstop flights
You can fly direct with American Airlines and United Airlines. Average duration is 6h 16m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 7% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $290 (round-trip)
Shortest trip • 7h 24m (one-way)
Insights
Insights
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We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Philadelphia to San Francisco (PHL-SFO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to San Francisco

Sun, Nov 1 - Tue, Nov 3
Frontier Logo
8:30 am - 8:19 amPHL  Philadelphia-SFO San Francisco
26h 49m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
Frontier Logo
11:52 pm - 2:13 pmSFO  San Francisco-PHL Philadelphia
11h 21m1 stop Dallas/Fort Worth
$349Frontier
Thu, Oct 1 - Thu, Oct 8
Frontier Logo
4:42 pm - 10:28 pmPHL  Philadelphia-SFO San Francisco
32h 46m2 stops Miami Dallas/Fort Worth
Frontier Logo
11:59 pm - 2:21 pmSFO  San Francisco-PHL Philadelphia
11h 22m1 stop Dallas/Fort Worth
$349Frontier
Mon, Nov 9 - Thu, Nov 12
Multiple Airlines Logo
12:35 pm - 8:40 pmPHL  Philadelphia-SFO San Francisco
11h 05m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
8:58 pm - 4:45 pmSFO  San Francisco-PHL Philadelphia
16h 47m1 stop Seattle/Tacoma Intl
$349Multiple Airlines
Tue, Sep 15 - Sat, Sep 19
Multiple Airlines Logo
12:40 pm - 8:08 pmPHL  Philadelphia-SFO San Francisco
10h 28m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:21 pm - 5:40 amSFO  San Francisco-PHL Philadelphia
8h 19m1 stop Seattle/Tacoma Intl
$350Multiple Airlines
Thu, Jan 14 - Mon, Jan 18
Southwest Logo
5:20 am - 10:30 amPHL  Philadelphia-SFO San Francisco
8h 10m1 stop Denver Intl
Southwest Logo
5:30 am - 5:40 pmSFO  San Francisco-PHL Philadelphia
9h 10m1 stop Chicago Midway
$353Southwest
Mon, Nov 16 - Thu, Nov 26
Southwest Logo
5:00 am - 11:10 amPHL  Philadelphia-SFO San Francisco
9h 10m1 stop Denver Intl
Southwest Logo
11:30 pm - 11:00 amSFO  San Francisco-PHL Philadelphia
8h 30m1 stop Chicago Midway
$353Southwest
Thu, Sep 17 - Tue, Sep 22
American Airlines Logo
5:36 pm - 8:45 pmPHL  Philadelphia-SFO San Francisco
6h 09mnonstop
American Airlines Logo
9:46 am - 6:30 pmSFO  San Francisco-PHL Philadelphia
5h 44mnonstop
$379American Airlines
Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
5:36 pm - 8:45 pmPHL  Philadelphia-SFO San Francisco
6h 09mnonstop
American Airlines Logo
6:00 am - 2:30 pmSFO  San Francisco-PHL Philadelphia
5h 30mnonstop
$379American Airlines
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
6:30 pm - 9:33 pmPHL  Philadelphia-SFO San Francisco
6h 03mnonstop
United Airlines Logo
11:20 pm - 7:49 amSFO  San Francisco-PHL Philadelphia
5h 29mnonstop
$379United Airlines
Sun, Oct 18 - Wed, Oct 28
United Airlines Logo
6:00 am - 9:03 amPHL  Philadelphia-SFO San Francisco
6h 03mnonstop
United Airlines Logo
11:20 pm - 7:39 amSFO  San Francisco-PHL Philadelphia
5h 19mnonstop
$379United Airlines
Booking Insights

Price, demand and travel trends for Philadelphia to San Francisco flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to San Francisco with more confidence.

How much is a round-trip flight from Philadelphia to San Francisco?

Round-trip flights from Philadelphia to San Francisco start at $349. Prices are typical for this route right now, with typical round-trip fares ranging from $349 to $518. The lowest price found in the past 5 days was $349 on Frontier.

What's the cheapest day of the week to fly from Philadelphia to San Francisco?

Wednesday is the cheapest day of the week to fly from Philadelphia to San Francisco, it is 7% cheaper than the average day. Sunday is the most expensive day with flight prices 16% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Philadelphia to San Francisco?

  • April and October are the cheapest months to fly from Philadelphia to San Francisco at $389 round-trip.
  • November ($452) and June ($448) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 16% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Philadelphia to San Francisco the cheapest?

Flights from Philadelphia to San Francisco are cheapest 5 weeks before departure. Booking in this window typically costs about 27% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Philadelphia to San Francisco

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and PHL

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.

Stefanie Waldek

Stefanie Waldek

Expert on 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.

Blane Bachelor

Blane Bachelor

Expert on 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.

Key details for Philadelphia to San Francisco flights

Low season

February

Cheapest flight

$198
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 7% increase in price.
Flight from Philadelphia to San Francisco

When to book flights from Philadelphia to San Francisco

Are your dates flexible? Find out the best times to travel from Philadelphia to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Philadelphia to San Francisco flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Are there any shops in Philadelphia International Airport?

    Duty Free by DFASS can be found in Terminal A of Philadelphia International Airport and sells travel essentials, such as magazines, snacks, headphones, and neck pillows. Shine Collectibles is in Terminal C and offers a variety of sports clothing and accessories, while Pennsylvania Market is in Terminal E and has food products from the region.

  • Does Philadelphia International Airport have any places to let animals stretch their legs?

    There is an indoor Pet Port that is placed inside of each terminal in Philadelphia International Airport, as well as outdoor relief zones that are near all Arrivals areas. They are securely fenced in, contain grass and waste disposal bags, and can be used by both pets and service animals.

  • What amenities does San Francisco International Airport offer members of the military?

    In addition to having a USO Center that is open 24h a day, San Francisco International Airport has a limited number of overnight facilities that can be used by members of the military. Most shops and restaurants also offer discounts for both active members and veterans, but an official ID card is required.

  • Do any hotels have a free shuttle service to San Francisco International Airport?

    There are several hotels that offer free shuttles to and from San Francisco International Airport, with most of them picking up and dropping off from the Hotel Courtesy Shuttle zones in the center island in front of all Arrivals terminals. The Aloft Hotel is a chic choice, while the Comfort Suites is a more affordable option. For a hotel that offers long-term lodging options, book a room at the Comfort Suites.

  • What is the best way to get out of San Francisco International Airport )SFO)?

    BART trains are the best transport option for those connecting from SFO to different destinations within Bay Area, including Downtown San Francisco. It takes about 30 minutes to arrive in Downtown San Francisco from the airport.

  • How can I catch up with the earliest flight from Philadelphia to San Francisco?

    Enjoy even more convenience if you want to catch the earliest flight to San Francisco from Philadelphia by spending the night at Philadelphia Airport Marriott. From the hotel, you can easily connect to Terminal B of the airport via Skybridge.

  • Which airlines should I book when flying from Philadelphia to San Francisco with kids?

    Booking American Airlines or United Airlines guarantees you and your kid(s) enhanced comfort throughout the entire journey, thanks to the spacious seats and extra legroom in all cabins. Additionally, American Airlines provides priority boarding for those with young ones.

  • How convenient is landing at San Francisco International Airport late at night?

    If your plane from PHL or TTN touches the ground at SFO late at night, you can spend the remaining hours of the night at one of the nap rooms in Terminals 2 and 3 of the airport. Optionally, you can also connect to a nearby hotel like San Francisco Airport Marriott Waterfront. The hotel offers 24-hour operational free airport shuttles, making it easier for you to connect to the airport.

  • Which nearby cities can I get to from San Francisco Airport?

    Apart from serving as the gateway to San Francisco for international travelers, SFO also serves a number of nearby cities. Some of the cities you can get to from SFO include Mountain View, San Jose, Santa Clara, and Palo Alto. Rental cars provide a more flexible way of connecting to these cities from SFO.

  • How do I find rental cars when landing at San Francisco International Airport?

    There is a rental car center located inside the airport on the Fourth Floor, housing a number of popular rental car companies, including Enterprise, Avis, Budget, and Dollar. Therefore, renting a car after deplaning at SFO is a hassle-free process.

  • Which airlines offer extra legroom and free seat selection on Philadelphia to San Francisco flights?

    Among airlines operating Philadelphia to San Francisco flights:

    • American Airlines: offers extra legroom; offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Philadelphia to San Francisco?

    2 airlines operate flights between Philadelphia and San Francisco. The airlines offering nonstop flights on this route include:

    • American Airlines
    • United Airlines

  • Which airports can I use when flying from Philadelphia to San Francisco?

    Flights from Philadelphia to San Francisco usually depart from Philadelphia (PHL) and arrive at San Francisco (SFO).

  • Which airlines include bags at no extra cost on Philadelphia to San Francisco flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Philadelphia to San Francisco?

    Four cabin classes are available on flights from Philadelphia to San Francisco:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Philadelphia to San Francisco?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $290 round-trip via Fort Lauderdale (FLL), compared to $429 for nonstop.

  • What is the standard checked-bag allowance on flights from Philadelphia to San Francisco?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Philadelphia to San Francisco?

    The Boeing 737 MAX 9 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • Which airports do connecting flights from Philadelphia to San Francisco pass through?

    One-stop flights from Philadelphia to San Francisco most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 39% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 20% of one-stop connections
    • Denver Intl (DEN) - 9% of one-stop connections
    • Minneapolis St Paul (MSP) - 5% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Philadelphia to San Francisco?

    Yes. Being flexible with your travel dates can save you up to 20% on the Philadelphia to San Francisco route. Wednesday is the cheapest departure day at $392 round-trip on average, while Sunday is the most expensive at $489, a difference of $97. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Philadelphia to San Francisco spread across the day?

    Morning is the busiest departure period on Philadelphia to San Francisco flights, with 51% of flights leaving in that window. Evening departures account for 33%, afternoon flights for 16%, and night flights for 0%.

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

  • What are the earliest and latest flights from Philadelphia to San Francisco?

    These are the earliest and latest flight times available from Philadelphia to San Francisco:

    • Earliest: departs at 6:00 am and lands at 12:16 pm
    • Latest: departs at 7:36 pm and lands at 1:52 am.

    The flight takes about 6h 16m.

  • How expensive are last-minute Philadelphia to San Francisco flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 23% above the route average of $420. Book 5 weeks before departure for the lowest fares.

  • How long is a flight from Philadelphia to San Francisco?

    A nonstop flight from Philadelphia to San Francisco takes 6h 16m, covering 2,513 miles.

  • Do I need a passport to fly from Philadelphia to San Francisco?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Philadelphia to San Francisco changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $349 to $2,624. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Philadelphia to San Francisco looking right now?

    One-way fares from Philadelphia to San Francisco are currently lower than usual. Average one-way flight prices are about $205, which is 34% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Philadelphia to San Francisco?

    Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 7h 24m, compared with 7h 40m via Detroit Metropolitan Wayne County (DTW) and 7h 53m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Philadelphia and San Francisco?

    San Francisco is 3 hours behind Philadelphia (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
    · Thrifty
    · Europcar
    · Dollar
    · Hertz
    · Fox

  • How much should I expect to pay for a Philadelphia to San Francisco flight?

    Round-trip flights from Philadelphia to San Francisco range from $349 to $518, with an average of $420 over the past 12 months. Anything below $349 counts as a good deal.

  • Which airlines offer Wi-Fi on Philadelphia to San Francisco flights?

    Two airlines offer in-flight Wi-Fi on Philadelphia to San Francisco flights:

    • • American Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Philadelphia to San Francisco flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $392 - about $97 less than Sunday (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 27% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Philadelphia to San Francisco trip for April. Fares historically average $389 round-trip in that month - typically $63 less than the most expensive month, which is November (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages $290 round-trip on this route - about $139 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.
    - Grand Hyatt At Sfo
  • To travel as affordably as possible, look for flights from Philadelphia to San Francisco with layovers, such as through Sun Country or United Airlines. If you would rather have a nonstop flight, American and Alaska Airlines offer many choices.
  • If you need to print out some last-minute documents or work on your to-do list, pay a visit to the UPS Store in the Terminal A/B walkway of Philadelphia International Airport (PHL). In addition to having several workstations, this store also provides copying services, sells shipping supplies, and has a notary.
  • Have some extra time before your flight from Philadelphia to San Francisco leaves? Philadelphia International Airport has a virtual library that allows travelers to download podcasts, books, and magazines for free. There is also an Observation Deck in each terminal that provides direct views of the airport’s tarmacs.
  • For travelers who would like some help carrying all of their suitcases, make a reservation with an Airport Butler through San Francisco International Airport’s (SFO) official website. This service will provide you with an employee to collect your luggage, arrange private transportation, and walk you to your car.
  • If you’re traveling to San Francisco with your little ones, go to the Cloud of Goods store in the main terminal of San Francisco International Airport. In this shop, you can rent important baby equipment, such as car seats and strollers.
  • Flights from Philadelphia to San Francisco depart from either Trenton-Mercer Airport (TTN) or Philadelphia International Airport (PHL). The benefit of departing from PHL is that you have access to several airlines and can get a flight at different times of the day, subject to your schedule. The number of daily flights to San Francisco departing from PHL is higher than TTN. On the other hand, departing from TTN gives you the benefit of enjoying shorter queues at various security checkpoints.
  • Buses provide a convenient and affordable way of getting to Philadelphia International Airport from downtown Philadelphia. Three bus lines, Route 37, Route 108, and Route 115, provide direct connections to the airport terminals from the downtown area. Taxis are the alternative means of transport, especially for those rushing against time.
  • San Francisco International Airport (SFO) is the main destination airport for flights from Philadelphia. However, a considerable number of flights arrive at Oakland International Airport (OAK) and San Jose Mineta International Airport (SJE). It is easier to connect to the San Francisco city center from SFO due to the availability of more transport options. Those landing at OAK or SJE enjoys shorter queues at the baggage claim areas.

Prefer to fly direct from Philadelphia to San Francisco?

 
Find which airlines fly direct from Philadelphia Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to San Francisco

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Direct returns

San Francisco to Philadelphia

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Everything you need to know for your flight from Philadelphia to San Francisco

Information on your arrival and departure airports