$178+ Cheap flights from Philadelphia to San Francisco (PHL - SFO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Philadelphia to San Francisco are usually found in September or October, booked 83 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Philadelphia to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to San FranciscoExplore the most affordable flight options available from Philadelphia to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Philadelphia to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:35 pm
PHL
- SFO
Nonstop6h 24m
American Airlines
Wed 8/267:00 am
SFO
- PHL
Nonstop5h 30m
American Airlines
Deal found 7/19![American Airlines logo]()
$349
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:30 am
PHL
- SFO
1 stop13h 48m
Frontier
Mon 8/39:39 pm
SFO
- PHL
1 stop11h 10m
Frontier
Deal found 7/22![Frontier logo]()
$350
This JetBlue deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:30 pm
PHL
- SFO
1 stop11h 27m
JetBlue
Tue 11/1010:45 am
SFO
- PHL
1 stop8h 51m
JetBlue
Deal found 7/19![JetBlue logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:44 pm
PHL
- SFO
2 stops11h 28m
Frontier
Sat 8/297:30 pm
SFO
- PHL
1 stop7h 09m
Frontier
Deal found 7/18![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:44 pm
PHL
- SFO
2 stops11h 28m
Frontier
Mon 8/1711:05 pm
SFO
- PHL
1 stop10h 21m
Frontier
Deal found 7/20![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:06 am
PHL
- SFO
1 stop8h 30m
Frontier
Wed 8/195:35 pm
SFO
- PHL
2 stops15h 51m
Frontier
Deal found 7/20![Frontier logo]()
$354
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Mon 8/39:39 pm
SFO
- PHL
1 stop11h 10m
Frontier
Deal found 7/21![Frontier logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:30 am
PHL
- SFO
1 stop13h 33m
Frontier
Mon 9/147:17 pm
SFO
- PHL
1 stop7h 19m
Frontier
Deal found 7/19![Frontier logo]()
$356
This CheapOair deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:06 am
PHL
- SFO
1 stop31h 14m
Frontier
Sun 8/164:47 pm
SFO
- PHL
1 stop16h 02m
Frontier
Deal found 7/18![Frontier logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:37 pm
PHL
- SFO
1 stop18h 06m
Frontier
Tue 8/410:10 pm
SFO
- PHL
1 stop11h 12m
Frontier
Deal found 7/19![Frontier logo]()
$358
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:27 am
PHL
- SFO
Nonstop6h 03m
United Airlines
Tue 8/1812:45 am
SFO
- PHL
1 stop8h 03m
United Airlines
Deal found 7/18![United Airlines logo]()
$359
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:30 am
PHL
- SFO
1 stop15h 48m
Frontier
Sat 8/19:39 pm
SFO
- PHL
1 stop11h 10m
Frontier
Deal found 7/19![Frontier logo]()
$360
Best flights from Philadelphia to San FranciscoDiscover carefully curated flight deals from Philadelphia to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Philadelphia to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
PHL
- SFO
Nonstop6h 03m
United Airlines
Sun 9/1312:25 pm
SFO
- PHL
Nonstop5h 30m
United Airlines
Deal found 7/21![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:05 pm
PHL
- SFO
1 stop9h 10m
Southwest
Wed 8/196:50 am
SFO
- PHL
2 stops11h 05m
Southwest
Deal found 7/21![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:05 pm
PHL
- SFO
1 stop10h 00m
Southwest
Thu 8/201:55 pm
SFO
- PHL
2 stops16h 45m
Southwest
Deal found 7/22![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:40 pm
PHL
- SFO
1 stop8h 36m
United Airlines
Thu 12/3111:05 pm
SFO
- PHL
Nonstop5h 24m
United Airlines
Deal found 7/22![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:05 am
PHL
- SFO
1 stop9h 10m
Southwest
Thu 12/1011:35 pm
SFO
- PHL
1 stop8h 25m
Southwest
Deal found 7/19![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:05 pm
PHL
- SFO
2 stops9h 15m
Southwest
Mon 8/1711:40 pm
SFO
- PHL
1 stop8h 55m
Southwest
Deal found 7/18![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:30 am
PHL
- SFO
2 stops11h 25m
Southwest
Tue 10/1310:20 am
SFO
- PHL
2 stops10h 10m
Southwest
Deal found 7/19![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:25 am
PHL
- SFO
1 stop7h 25m
Southwest
Sun 10/1810:55 am
SFO
- PHL
1 stop10h 40m
Southwest
Deal found 7/18![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:10 pm
PHL
- SFO
2 stops10h 30m
Southwest
Tue 10/1310:20 am
SFO
- PHL
2 stops10h 10m
Southwest
Deal found 7/22![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:05 am
PHL
- SFO
2 stops10h 20m
Southwest
Thu 12/3111:25 am
SFO
- PHL
1 stop7h 35m
Southwest
Deal found 7/22![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:20 am
PHL
- SFO
2 stops10h 45m
Southwest
Wed 10/710:20 am
SFO
- PHL
2 stops10h 10m
Southwest
Deal found 7/22![Southwest logo]()
$390
Last-minute flights from Philadelphia to San FranciscoDiscover last-minute flight deals from Philadelphia to San Francisco. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Francisco. Data last updated July 23, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Mon 8/39:39 pm
SFO
- PHL
1 stop11h 10m
Frontier
Deal found 7/21![Frontier logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:37 pm
PHL
- SFO
1 stop18h 06m
Frontier
Tue 8/410:10 pm
SFO
- PHL
1 stop11h 12m
Frontier
Deal found 7/19![Frontier logo]()
$358
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:30 am
PHL
- SFO
1 stop13h 48m
Frontier
Mon 8/39:39 pm
SFO
- PHL
1 stop11h 10m
Frontier
Deal found 7/22![Frontier logo]()
$350
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:30 am
PHL
- SFO
1 stop15h 48m
Frontier
Sat 8/19:39 pm
SFO
- PHL
1 stop11h 10m
Frontier
Deal found 7/19![Frontier logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:40 pm
PHL
- SFO
2 stops34h 38m
Frontier
Fri 8/1411:05 pm
SFO
- PHL
1 stop17h 15m
Frontier
Deal found 7/18![Frontier logo]()
$356
This CheapOair deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:06 am
PHL
- SFO
1 stop31h 14m
Frontier
Sun 8/164:47 pm
SFO
- PHL
1 stop16h 02m
Frontier
Deal found 7/18![Frontier logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:44 pm
PHL
- SFO
2 stops11h 28m
Frontier
Mon 8/1711:05 pm
SFO
- PHL
1 stop10h 21m
Frontier
Deal found 7/20![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:44 pm
PHL
- SFO
2 stops11h 28m
Frontier
Sat 8/297:30 pm
SFO
- PHL
1 stop7h 09m
Frontier
Deal found 7/18![Frontier logo]()
$352
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:05 pm
PHL
- SFO
1 stop9h 10m
Southwest
Wed 8/196:50 am
SFO
- PHL
2 stops11h 05m
Southwest
Deal found 7/21![Southwest logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:06 am
PHL
- SFO
1 stop8h 30m
Frontier
Wed 8/195:35 pm
SFO
- PHL
2 stops15h 51m
Frontier
Deal found 7/20![Frontier logo]()
$354
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:27 am
PHL
- SFO
Nonstop6h 03m
United Airlines
Tue 8/1812:45 am
SFO
- PHL
1 stop8h 03m
United Airlines
Deal found 7/18![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:35 pm
PHL
- SFO
Nonstop6h 24m
American Airlines
Wed 8/267:00 am
SFO
- PHL
Nonstop5h 30m
American Airlines
Deal found 7/19![American Airlines logo]()
$349
One-way flights from Philadelphia to San FranciscoSearch for one-way flight options from Philadelphia to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Philadelphia to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am
PHL
- SFO
2 stops15h 20m
Frontier
Deal found 7/22![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:16 pm
PHL
- SFO
2 stops38h 27m
Frontier
Deal found 7/22![Frontier logo]()
$179
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 pm
PHL
- SFO
1 stop8h 10m
Southwest
Deal found 7/19![Southwest logo]()
$180
This JetBlue deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:25 pm
PHL
- SFO
1 stop12h 33m
JetBlue
Deal found 7/22![JetBlue logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:47 pm
PHL
- SFO
2 stops41h 38m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$182
This Super.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:30 am
PHL
- SFO
1 stop13h 48m
Frontier
Deal found 7/19![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:45 pm
PHL
- SFO
2 stops19h 31m
Frontier
Deal found 7/19![Frontier logo]()
$184
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:00 am
PHL
- SFO
2 stops9h 10m
Southwest
Deal found 7/19![Southwest logo]()
$185
This Expedia deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:37 pm
PHL
- SFO
1 stop18h 06m
Frontier
Deal found 7/18![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:06 pm
PHL
- SFO
2 stops49h 51m
Frontier
Deal found 7/20![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:37 pm
PHL
- SFO
1 stop23h 32m
Frontier
Deal found 7/20![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:40 pm
PHL
- SFO
1 stop29h 33m
Frontier
Deal found 7/18![Frontier logo]()
$189
Find flight deals from Philadelphia to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (American Airlines) |
One-way from | $178 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $429 |
Good round-trip deal | $401 or less |
Good one-way deal | $278 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Philadelphia to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 9/10
6:00 am-9:03 am
Nonstop6h 03m
San Francisco
Sun 9/13
12:25 pm-8:55 pm
Nonstop5h 30m
$349
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 8/13
1:05 pm-7:15 pm
1 stop9h 10m
San Francisco
Wed 8/19
6:50 am-8:55 pm
2 stops11h 05m
$351
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Wed 8/12
3:05 pm-10:05 pm
1 stop10h 00m
San Francisco
Thu 8/20
1:55 pm-9:40 am
2 stops16h 45m
$357
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Tue 12/1
5:05 am-11:15 am
1 stop9h 10m
San Francisco
Thu 12/10
11:35 pm-11:00 am
1 stop8h 25m
$359
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Wed 8/12
3:05 pm-9:20 pm
2 stops9h 15m
San Francisco
Mon 8/17
11:40 pm-11:35 am
1 stop8h 55m
$364
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sat 12/19
7:40 pm-1:16 am
1 stop8h 36m
San Francisco
Thu 12/31
11:05 pm-7:29 am
Nonstop5h 24m
$369
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Tue 10/6
5:30 am-1:55 pm
2 stops11h 25m
San Francisco
Tue 10/13
10:20 am-11:30 pm
2 stops10h 10m
$369
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Fri 10/16
6:25 am-10:50 am
1 stop7h 25m
San Francisco
Sun 10/18
10:55 am-12:35 am
1 stop10h 40m
$374
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Fri 10/9
5:10 pm-12:40 am
2 stops10h 30m
San Francisco
Tue 10/13
10:20 am-11:30 pm
2 stops10h 10m
$379
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 12/24
5:05 am-12:25 pm
2 stops10h 20m
San Francisco
Thu 12/31
11:25 am-10:00 pm
1 stop7h 35m
$384
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to San Francisco in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Philadelphia with our price prediction graph.
PHL-SFO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to San Francisco
Prices
Airlines
How far ahead should I book a flight from Philadelphia to San Francisco?
The price you pay for your flight from Philadelphia to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Philadelphia to San Francisco?
Currently, September is the cheapest month in which you can book a flight from Philadelphia to San Francisco (average of $384). Flying from Philadelphia to San Francisco in June is currently the most expensive (average of $456). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHL to SFO?
Find hourly flight availability from Philadelphia to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.
When flying from Philadelphia to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The best insider tips for Philadelphia to San Francisco flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to San Francisco trip
Our travel experts
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated July 23, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Philadelphia to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Fairfield
Roseville
Burlingame
Rancho Cordova
San Bruno
Cupertino
Emeryville
Newark
Watsonville
Hayward
Redwood City
San Carlos
San Ramon
Turlock
Vallejo
San Lorenzo
Davis
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Philadelphia and San Francisco flights
Browse other Philadelphia and San Francisco flight options. Last updated on July 23, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Top 6 airlines flying from Philadelphia to San Francisco
Discover the top 6 airlines that operate flights from Philadelphia to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$286 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$231 | Average$458 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$257 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$338 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$289 | Average$425 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$289 | Average$429 | FlexibilityNo cancel fee | On-time71% |