Trip.com
>
Flights
>
Flights to United States
>
Flights to California
>
Flights to San Francisco
>
Philadelphia to San Francisco flight
>
Philadelphia International Airport to San Francisco Intl. Airport flight
174K verified reviews | Excellent 4.4/5 rating on Trustpilot
Earn Trip Coins and airline miles, all in one booking
All-inclusive prices (incl. taxes, fuel, luggage) without hidden fees
Support 24/7, in 24+ languages

Philadelphia International Airport to San Francisco Intl. Airport Flights Info

Cheapest one-way
HK$962
Delta Air Lines Delta Air Lines 10h 37m · 1 stop Thu, Dec 17
Select flight
Cheapest round-trip
HK$2,239
Frontier Airlines Frontier Airlines 14h 47m · 2 stops Sun, Dec 20 - Sat, Dec 26
Select flight
Recommended airlines
Delta Air Lines Delta Air LinesCheapest· From HK$962 American Airlines American AirlinesMost booked

Explore the cheapest one-way and round-trip flights from Philadelphia International Airport to San Francisco Intl. Airport over the next 90 days, with one-way fares from HK$962 and round-trip from HK$2,239. Based on Trip.com's latest 7-day flight data.

Book flights to China and enjoy exclusive perks!View details
    • Cheapest nonstop
      PHL 4:05 PM
      6h 31m
      Nonstop
      SFO 7:36 PM
      Philadelphia - San Francisco | Tue, Nov 24 | American Airlines
      SFO 7:56 AM
      5h 17m
      Nonstop
      PHL 4:13 PM
      San Francisco - Philadelphia | Fri, Nov 27 | American Airlines
      HK$3,146 HK$4,371
      28% off
      28% off
      HK$4,371 HK$3,146
    • PHL 4:05 PM
      6h 31m
      Nonstop
      SFO 7:36 PM
      Philadelphia - San Francisco | Thu, Nov 26 | American Airlines
      SFO 3:10 PM
      5h 18m
      Nonstop
      PHL 11:28 PM
      San Francisco - Philadelphia | Wed, Dec 2 | American Airlines
      HK$3,147 HK$4,371
      28% off
      28% off
      HK$4,371 HK$3,147
    • PHL 7:52 PM
      14h 47m
      1 stop
      SFO 7:39 AM
      Philadelphia - San Francisco | Sun, Dec 20 | Frontier Airlines
      SFO 9:23 PM
      28h 48m
      1 stop
      PHL 5:11 AM
      San Francisco - Philadelphia | Sat, Dec 26 | Frontier Airlines
      HK$2,239 HK$4,371
      49% off
      49% off
      HK$4,371 HK$2,239
    • PHL 8:38 PM
      31h 5m
      1 stop
      SFO 12:43 AM
      Philadelphia - San Francisco | Mon, Nov 23 | Frontier Airlines
      SFO 6:30 PM
      8h 31m
      1 stop
      PHL 6:01 AM
      San Francisco - Philadelphia | Sat, Nov 28 | Frontier Airlines
      HK$2,445
      44% off
      HK$4,371 HK$2,445
    • PHL 11:18 AM
      10h 29m
      1 stop
      SFO 6:47 PM
      Philadelphia - San Francisco | Wed, Jan 13 | Frontier Airlines
      SFO 11:55 PM
      10h 25m
      1 stop
      PHL 1:20 PM
      San Francisco - Philadelphia | Wed, Jan 20 | Frontier Airlines
      HK$2,499
      43% off
      HK$4,371 HK$2,499
    • PHL 9:41 PM
      13h 8m
      1 stop
      SFO 7:49 AM
      Philadelphia - San Francisco | Tue, Nov 24 | Frontier Airlines
      SFO 7:11 PM
      7h 50m
      1 stop
      PHL 6:01 AM
      San Francisco - Philadelphia | Fri, Nov 27 | Frontier Airlines
      HK$2,506
      43% off
      HK$4,371 HK$2,506
    • PHL 9:55 PM
      12h 54m
      1 stop
      SFO 7:49 AM
      Philadelphia - San Francisco | Sun, Nov 22 | Frontier Airlines
      SFO 7:11 PM
      7h 50m
      1 stop
      PHL 6:01 AM
      San Francisco - Philadelphia | Fri, Nov 27 | Frontier Airlines
      HK$2,555
      42% off
      HK$4,371 HK$2,555
    • PHL 8:40 AM
      9h 58m
      1 stop
      SFO 3:38 PM
      Philadelphia - San Francisco | Wed, Dec 16 | Frontier Airlines
      SFO 9:23 PM
      28h 48m
      1 stop
      PHL 5:11 AM
      San Francisco - Philadelphia | Sun, Dec 20 | Frontier Airlines
      HK$2,567
      41% off
      HK$4,371 HK$2,567
    • PHL 7:52 PM
      14h 5m
      1 stop
      SFO 6:57 AM
      Philadelphia - San Francisco | Wed, Dec 23 | Frontier Airlines
      SFO 9:23 PM
      28h 48m
      1 stop
      PHL 5:11 AM
      San Francisco - Philadelphia | Wed, Dec 30 | Frontier Airlines
      HK$2,577
      41% off
      HK$4,371 HK$2,577
    • PHL 1:00 PM
      17h 25m
      1 stop
      SFO 2:00 PM
      Philadelphia - San Francisco | Wed, Nov 18 | Normal Airline
      SFO 3:00 PM
      6h
      Nonstop
      PHL 4:00 PM
      San Francisco - Philadelphia | Fri, Nov 20 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      PHL 8:01 AM
      10h 37m
      1 stop
      SFO 3:38 PM
      Philadelphia - San Francisco | Thu, Dec 17 | Delta Air Lines
      HK$962 HK$2,338
      59% off
      59% off
      HK$2,338 HK$962
    • PHL 8:22 AM
      10h 16m
      1 stop
      SFO 3:38 PM
      Philadelphia - San Francisco | Thu, Dec 17 | American Airlines
      HK$992 HK$2,338
      57% off
      57% off
      HK$2,338 HK$992
    • PHL 8:40 AM
      9h 58m
      1 stop
      SFO 3:38 PM
      Philadelphia - San Francisco | Fri, Dec 11 | Frontier Airlines
      HK$1,034 HK$2,338
      56% off
      56% off
      HK$2,338 HK$1,034
    • PHL 8:40 AM
      9h 58m
      1 stop
      SFO 3:38 PM
      Philadelphia - San Francisco | Thu, Dec 10 | Frontier Airlines
      HK$1,048
      55% off
      HK$2,338 HK$1,048
    • PHL 8:40 AM
      9h 58m
      1 stop
      SFO 3:38 PM
      Philadelphia - San Francisco | Sun, Dec 13 | Frontier Airlines
      HK$1,079
      54% off
      HK$2,338 HK$1,079
    • PHL 10:51 AM
      12h 24m
      1 stop
      SFO 8:15 PM
      Philadelphia - San Francisco | Tue, Jan 12 | Frontier Airlines
      HK$1,110
      53% off
      HK$2,338 HK$1,110
    • PHL 9:55 PM
      12h 54m
      1 stop
      SFO 7:49 AM
      Philadelphia - San Francisco | Tue, Nov 24 | Frontier Airlines
      HK$1,130
      52% off
      HK$2,338 HK$1,130
    • PHL 6:25 AM
      9h 14m
      1 stop
      SFO 12:39 PM
      Philadelphia - San Francisco | Mon, Dec 21 | Frontier Airlines
      HK$1,148
      51% off
      HK$2,338 HK$1,148
    • PHL 9:55 PM
      19h 39m
      1 stop
      SFO 2:34 PM
      Philadelphia - San Francisco | Mon, Nov 23 | Frontier Airlines
      HK$1,207
      48% off
      HK$2,338 HK$1,207
    • PHL 1:00 PM
      17h 25m
      1 stop
      SFO 2:00 PM
      Philadelphia - San Francisco | Wed, Nov 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      PHL 6:35 PM
      6h 32m
      Nonstop
      SFO 10:07 PM
      Philadelphia - San Francisco | Tue, Nov 24 | American Airlines
      HK$1,604 HK$2,338
      31% off
      31% off
      HK$2,338 HK$1,604
    • PHL 8:10 AM
      6h 35m
      Nonstop
      SFO 11:45 AM
      Philadelphia - San Francisco | Fri, Nov 27 | American Airlines
      HK$1,683 HK$2,338
      28% off
      28% off
      HK$2,338 HK$1,683
    • PHL 8:10 AM
      6h 35m
      Nonstop
      SFO 11:45 AM
      Philadelphia - San Francisco | Thu, Nov 26 | American Airlines
      HK$1,683 HK$5,556
      70% off
      70% off
      HK$5,556 HK$1,683
    • PHL 10:50 AM
      6h 24m
      Nonstop
      SFO 2:14 PM
      Philadelphia - San Francisco | Mon, Dec 14 | American Airlines
      HK$2,120
      62% off
      HK$5,556 HK$2,120
    • PHL 9:20 AM
      6h 22m
      Nonstop
      SFO 12:42 PM
      Philadelphia - San Francisco | Mon, Dec 14 | United Airlines
      HK$2,263
      82% off
      HK$12,331 HK$2,263
    • PHL 6:30 PM
      6h 22m
      Nonstop
      SFO 9:52 PM
      Philadelphia - San Francisco | Thu, Dec 3 | United Airlines
      HK$2,303
      81% off
      HK$12,331 HK$2,303
    • PHL 9:20 AM
      6h 22m
      Nonstop
      SFO 12:42 PM
      Philadelphia - San Francisco | Sat, Dec 5 | United Airlines
      HK$2,303
      81% off
      HK$12,331 HK$2,303
    • PHL 8:17 AM
      6h 29m
      Nonstop
      SFO 11:46 AM
      Philadelphia - San Francisco | Fri, Jan 8 | American Airlines
      HK$2,310
      57% off
      HK$5,556 HK$2,310
    • PHL 8:17 AM
      6h 29m
      Nonstop
      SFO 11:46 AM
      Philadelphia - San Francisco | Thu, Jan 7 | American Airlines
      HK$2,310
      57% off
      HK$5,556 HK$2,310
    • PHL 1:00 PM
      17h 25m
      1 stop
      SFO 2:00 PM
      Philadelphia - San Francisco | Wed, Nov 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      PHL 8:10 AM
      6h 35m
      Nonstop
      SFO 11:45 AM
      Philadelphia - San Francisco | Thu, Nov 26 | American Airlines
      HK$1,683 HK$6,538
      74% off
      74% off
      HK$6,538 HK$1,683
    • PHL 10:50 AM
      6h 24m
      Nonstop
      SFO 2:14 PM
      Philadelphia - San Francisco | Sun, Dec 13 | American Airlines
      HK$2,193 HK$6,538
      66% off
      66% off
      HK$6,538 HK$2,193
    • PHL 8:17 AM
      6h 29m
      Nonstop
      SFO 11:46 AM
      Philadelphia - San Francisco | Fri, Jan 8 | American Airlines
      HK$2,310 HK$6,538
      65% off
      65% off
      HK$6,538 HK$2,310
    • PHL 8:17 AM
      6h 29m
      Nonstop
      SFO 11:46 AM
      Philadelphia - San Francisco | Thu, Jan 7 | American Airlines
      HK$2,310
      65% off
      HK$6,538 HK$2,310
    • PHL 8:17 AM
      6h 29m
      Nonstop
      SFO 11:46 AM
      Philadelphia - San Francisco | Wed, Jan 6 | American Airlines
      HK$2,311
      65% off
      HK$6,538 HK$2,311
    • PHL 10:50 AM
      6h 24m
      Nonstop
      SFO 2:14 PM
      Philadelphia - San Francisco | Thu, Dec 3 | American Airlines
      HK$2,318
      65% off
      HK$6,538 HK$2,318
    • PHL 8:10 AM
      6h 25m
      Nonstop
      SFO 11:35 AM
      Philadelphia - San Francisco | Wed, Dec 2 | American Airlines
      HK$2,319
      65% off
      HK$6,538 HK$2,319
    • PHL 5:10 PM
      6h 23m
      Nonstop
      SFO 8:33 PM
      Philadelphia - San Francisco | Sat, Dec 5 | American Airlines
      HK$2,320
      65% off
      HK$6,538 HK$2,320
    • PHL 6:37 PM
      6h 33m
      Nonstop
      SFO 10:10 PM
      Philadelphia - San Francisco | Sun, Dec 20 | American Airlines
      HK$2,361
      64% off
      HK$6,538 HK$2,361
    • PHL 1:00 PM
      17h 25m
      1 stop
      SFO 2:00 PM
      Philadelphia - San Francisco | Wed, Nov 18 | Normal Airline
      Find more flights
      Find more flights
    • PHL 7:02 AM
      10h 8m
      1 stop
      SFO 2:10 PM
      Philadelphia - San Francisco | Tue, Nov 17 | Alaska Airlines
      HK$2,187 HK$6,387
      66% off
      66% off
      HK$6,387 HK$2,187
    • PHL 8:10 AM
      6h 25m
      Nonstop
      SFO 11:35 AM
      Philadelphia - San Francisco | Tue, Nov 17 | American Airlines
      HK$3,795 HK$6,387
      41% off
      41% off
      HK$6,387 HK$3,795
    • PHL 9:10 AM
      6h 22m
      Nonstop
      SFO 12:32 PM
      Philadelphia - San Francisco | Tue, Nov 17 | United Airlines
      HK$3,220 HK$6,387
      50% off
      50% off
      HK$6,387 HK$3,220
    • PHL 8:10 AM
      6h 25m
      Nonstop
      SFO 11:35 AM
      Philadelphia - San Francisco | Wed, Nov 18 | American Airlines
      HK$3,795
      41% off
      HK$6,387 HK$3,795
    • PHL 8:10 AM
      6h 35m
      Nonstop
      SFO 11:45 AM
      Philadelphia - San Francisco | Thu, Nov 19 | American Airlines
      HK$4,186
      34% off
      HK$6,387 HK$4,186
    • PHL 2:36 PM
      9h 4m
      1 stop
      SFO 8:40 PM
      Philadelphia - San Francisco | Thu, Nov 19 | Frontier Airlines
      HK$1,897
      70% off
      HK$6,387 HK$1,897
    • PHL 3:40 PM
      9h 9m
      1 stop
      SFO 9:49 PM
      Philadelphia - San Francisco | Fri, Nov 20 | Delta Air Lines
      HK$4,598
      28% off
      HK$6,387 HK$4,598
    • PHL 6:35 PM
      6h 32m
      Nonstop
      SFO 10:07 PM
      Philadelphia - San Francisco | Fri, Nov 20 | American Airlines
      HK$4,139
      35% off
      HK$6,387 HK$4,139
    • PHL 3:00 PM
      8h 32m
      1 stop
      SFO 8:32 PM
      Philadelphia - San Francisco | Sat, Nov 21 | Delta Air Lines
      HK$3,968
      38% off
      HK$6,387 HK$3,968
    • PHL 1:00 PM
      17h 25m
      1 stop
      SFO 2:00 PM
      Philadelphia - San Francisco | Wed, Nov 18 | Normal Airline
      Find more flights
      Find more flights
    • PHL 9:20 AM
      6h 22m
      Nonstop
      SFO 12:42 PM
      Philadelphia - San Francisco | Mon, Dec 14 | United Airlines
      HK$2,263 HK$12,331
      82% off
      82% off
      HK$12,331 HK$2,263
    • PHL 6:30 PM
      6h 22m
      Nonstop
      SFO 9:52 PM
      Philadelphia - San Francisco | Thu, Dec 3 | United Airlines
      HK$2,303 HK$12,331
      81% off
      81% off
      HK$12,331 HK$2,303
    • PHL 9:20 AM
      6h 22m
      Nonstop
      SFO 12:42 PM
      Philadelphia - San Francisco | Sat, Dec 5 | United Airlines
      HK$2,303 HK$12,331
      81% off
      81% off
      HK$12,331 HK$2,303
    • PHL 9:10 AM
      6h 22m
      Nonstop
      SFO 12:32 PM
      Philadelphia - San Francisco | Sun, Nov 22 | United Airlines
      HK$2,338
      81% off
      HK$12,331 HK$2,338
    • PHL 9:14 AM
      6h 22m
      Nonstop
      SFO 12:36 PM
      Philadelphia - San Francisco | Wed, Dec 16 | United Airlines
      HK$2,385
      81% off
      HK$12,331 HK$2,385
    • PHL 9:20 AM
      6h 22m
      Nonstop
      SFO 12:42 PM
      Philadelphia - San Francisco | Wed, Dec 9 | United Airlines
      HK$2,387
      81% off
      HK$12,331 HK$2,387
    • PHL 9:20 AM
      6h 22m
      Nonstop
      SFO 12:42 PM
      Philadelphia - San Francisco | Fri, Dec 11 | United Airlines
      HK$2,390
      81% off
      HK$12,331 HK$2,390
    • PHL 9:20 AM
      6h 22m
      Nonstop
      SFO 12:42 PM
      Philadelphia - San Francisco | Wed, Dec 2 | United Airlines
      HK$2,665
      78% off
      HK$12,331 HK$2,665
    • PHL 9:10 AM
      6h 22m
      Nonstop
      SFO 12:32 PM
      Philadelphia - San Francisco | Wed, Nov 18 | United Airlines
      HK$3,220
      74% off
      HK$12,331 HK$3,220
    • PHL 1:00 PM
      17h 25m
      1 stop
      SFO 2:00 PM
      Philadelphia - San Francisco | Wed, Nov 18 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Philadelphia to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Philadelphia International Airport to San Francisco Intl. Airport?

The cheapest airline flying from Philadelphia International Airport to San Francisco Intl. Airport is Delta Air Lines (from HK$962) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.
Frontier Airlines logo Frontier Airlines American Airlines logo American Airlines Delta Air Lines logo Delta Air Lines United Airlines logo United Airlines Alaska Airlines logo Alaska Airlines
American Airlines logo American Airlines Frontier Airlines logo Frontier Airlines United Airlines logo United Airlines Alaska Airlines logo Alaska Airlines Jetblue Airways logo Jetblue Airways

What is the flight schedule from Philadelphia International Airport to San Francisco Intl. Airport?

Check the schedule for flights from Philadelphia to San Francisco and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91601

    Philadelphia International Airport

    6:55 PM

    PHL

    5h 52m

    Nonstop

    9:47 PM

    LAS

    - - - - T F S
    Search

  2. F93801

    Harry Reid Intl. Airport

    11:29 AM

    LAS

    1h 51m

    Nonstop

    1:20 PM

    SFO

    S - T - T F S

  3. F92551

    Philadelphia International Airport

    6:15 AM

    PHL

    2h 44m

    Nonstop

    8:59 AM

    ATL

    - - - - - F S
    Search

  4. F91447

    Hartsfield–Jackson Atlanta International Airport

    5:58 PM

    ATL

    5h 42m

    Nonstop

    8:40 PM

    SFO

    S M T W T - S

  5. AS370

    Philadelphia International Airport

    7:02 AM

    PHL

    6h 6m

    Nonstop

    10:08 AM

    SEA

    S M T W T F S
    Search

  6. AS655

    Seattle Tacoma Intl. Airport

    11:43 AM

    SEA

    2h 27m

    Nonstop

    2:10 PM

    SFO

    S M T W T F S

  7. AA5079

    Philadelphia International Airport

    8:35 AM

    PHL

    2h 26m

    Nonstop

    11:01 AM

    ATL

    S M T W T F S
    Search

  8. F91447

    Hartsfield–Jackson Atlanta International Airport

    5:58 PM

    ATL

    5h 42m

    Nonstop

    8:40 PM

    SFO

    S M T W T - S

  9. DL1180

    Philadelphia International Airport

    8:25 AM

    PHL

    2h 22m

    Nonstop

    10:47 AM

    ATL

    S M T W T F S
    Search

  10. F91447

    Hartsfield–Jackson Atlanta International Airport

    5:58 PM

    ATL

    5h 42m

    Nonstop

    8:40 PM

    SFO

    S M T W T - S

  11. F92297

    Philadelphia International Airport

    8:30 AM

    PHL

    2h 37m

    Nonstop

    11:07 AM

    ATL

    S M T W - - -
    Search

  12. F91447

    Hartsfield–Jackson Atlanta International Airport

    5:58 PM

    ATL

    5h 42m

    Nonstop

    8:40 PM

    SFO

    S M T W T - S

  13. F91601

    Philadelphia International Airport

    6:55 PM

    PHL

    5h 52m

    Nonstop

    9:47 PM

    LAS

    - - - - T F S
    Search

  14. F93019

    Harry Reid Intl. Airport

    6:30 AM

    LAS

    1h 47m

    Nonstop

    8:17 AM

    SFO

    S M T W - - S

  15. F91147

    Philadelphia International Airport

    5:14 PM

    PHL

    2h 40m

    Nonstop

    7:54 PM

    ATL

    S M T W T F S
    Search

  16. F91449

    Hartsfield–Jackson Atlanta International Airport

    6:55 AM

    ATL

    3h 27m

    Nonstop

    8:22 AM

    DEN

    S M T W T F S

  17. F91229

    Denver International Airport

    8:54 AM

    DEN

    2h 54m

    Nonstop

    10:48 AM

    SFO

    S M T W T F S

  18. F91601

    Philadelphia International Airport

    6:55 PM

    PHL

    5h 52m

    Nonstop

    9:47 PM

    LAS

    - - - - T F S
    Search

  19. F94401

    Harry Reid Intl. Airport

    10:57 AM

    LAS

    1h 55m

    Nonstop

    12:52 PM

    SFO

    S M T W T F S

  20. F91147

    Philadelphia International Airport

    5:14 PM

    PHL

    2h 40m

    Nonstop

    7:54 PM

    ATL

    S M T W T F S
    Search

  21. F94891

    Hartsfield–Jackson Atlanta International Airport

    9:21 AM

    ATL

    4h 42m

    Nonstop

    11:03 AM

    LAS

    S M T W T F S

  22. F93801

    Harry Reid Intl. Airport

    11:29 AM

    LAS

    1h 51m

    Nonstop

    1:20 PM

    SFO

    S - T - T F S
Find more flights and airlines

FAQs for Philadelphia International Airport to San Francisco Intl. Airport Flights

  • How long is the flight from Philadelphia International Airport to San Francisco Intl. Airport?

    Philadelphia International Airport to San Francisco Intl. Airport takes about 5 hours 51 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 7 daily flights from Philadelphia International Airport (PHL) to San Francisco Intl. Airport (SFO).
  • The earliest flight from Philadelphia International Airport to San Francisco Intl. Airport departs at 06:00, and the last departs at 18:35, with about 8 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Philadelphia International Airport (PHL) to San Francisco Intl. Airport (SFO) is quite popular. Without considering departure times or holidays, tickets cost around HK$4,868 in November, the most expensive month to book this route.
  • The earliest flight departs from Philadelphia International Airport (PHL) at 06:15 and arrives in San Francisco Intl. Airport (SFO) at 09:40.
  • The latest flight departs from Philadelphia International Airport (PHL) at 20:30 and arrives in San Francisco Intl. Airport (SFO) at 23:35.
    • The distance from San Francisco International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • The closest airport to San Francisco Intl. Airport (SFO) is Oakland San Francisco Bay Airport. The distance is around 17 km.
  • American Airlines is a very popular airline operating an average of 3282 flights per month.
  • One-way flights from Philadelphia International Airport to San Francisco Intl. Airport currently start from HK$962, and round-trip fares start from HK$2,239. The current lowest fare is a Delta Air Lines flight departing on Thu, Dec 17; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from Philadelphia International Airport to San Francisco Intl. Airport, with an average flight time of 6 hours, and around 49 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Philadelphia International Airport to San Francisco Intl. Airport is HK$2,846. Prices may vary depending on the departure date, airline, and availability.
  • Philadelphia International Airport to San Francisco Intl. Airport operates around 50 weekly flights, mainly by American Airlines and United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Philadelphia International Airport and San Francisco Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.