$179+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Aug 16 — Aug 231
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 17, 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 17, 2026.
This American Airlines deal was found by Cheapflights users on 7/13. 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 8/216:00 pm
PHL
- SFO
Nonstop6h 09m
American Airlines
Sun 8/2310:12 pm
SFO
- PHL
Nonstop5h 32m
American Airlines
Deal found 7/13![American Airlines logo]()
$349
This Frontier deal was found by Cheapflights users on 7/15. 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.
Tue 7/2111:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Thu 7/309:39 pm
SFO
- PHL
1 stop11h 10m
Frontier
Deal found 7/15![Frontier logo]()
$350
This Southwest deal was found by Cheapflights users on 7/13. 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 11/55:00 am
PHL
- SFO
1 stop8h 30m
Southwest
Sun 11/811:35 pm
SFO
- PHL
1 stop8h 25m
Southwest
Deal found 7/13![Southwest logo]()
$351
This CheapOair deal was found by Cheapflights users on 7/15. 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.
Fri 7/1711:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Tue 8/49:00 pm
SFO
- PHL
1 stop30h 00m
Frontier
Deal found 7/15![Frontier logo]()
$352
This CheapOair deal was found by Cheapflights users on 7/15. 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.
Fri 9/2510:45 am
PHL
- SFO
2 stops15h 46m
Multiple Airlines
Mon 9/287:17 pm
SFO
- PHL
1 stop7h 19m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$353
This CheapOair deal was found by Cheapflights users on 7/13. 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.
Fri 9/188:44 pm
PHL
- SFO
1 stop23h 13m
Multiple Airlines
Mon 9/2111:59 pm
SFO
- PHL
2 stops11h 31m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Wed 11/49:55 am
PHL
- SFO
1 stop9h 20m
United Airlines
Sun 11/812:07 pm
SFO
- PHL
Nonstop5h 19m
United Airlines
Deal found 7/12![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 7/13. 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
Wed 8/1911:15 am
SFO
- PHL
2 stops9h 35m
Southwest
Deal found 7/13![Southwest logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 7/2712:54 pm
PHL
- SFO
1 stop14h 29m
Frontier
Sat 8/297:30 pm
SFO
- PHL
1 stop7h 09m
Frontier
Deal found 7/13![Frontier logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 7/308:37 pm
PHL
- SFO
1 stop27h 17m
Frontier
Sun 8/26:00 am
SFO
- PHL
1 stop20h 39m
Frontier
Deal found 7/17![Frontier logo]()
$358
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Fri 8/149:27 am
PHL
- SFO
Nonstop6h 03m
United Airlines
Wed 8/192:05 pm
SFO
- PHL
1 stop7h 54m
United Airlines
Deal found 7/14![United Airlines logo]()
$359
This Frontier deal was found by Cheapflights users on 7/15. 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.
Tue 7/2111:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Tue 7/284:30 pm
SFO
- PHL
1 stop10h 30m
Frontier
Deal found 7/15![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 17, 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 17, 2026.
This Southwest deal was found by Cheapflights users on 7/15. 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 8/113:05 pm
PHL
- SFO
2 stops9h 35m
Southwest
Tue 8/1811:15 am
SFO
- PHL
2 stops9h 35m
Southwest
Deal found 7/15![Southwest logo]()
$361
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:15 am
PHL
- SFO
1 stop9h 40m
Delta
Mon 8/177:25 pm
SFO
- PHL
1 stop7h 40m
Delta
Deal found 7/16![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/15. 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 7/306:23 pm
PHL
- SFO
Nonstop6h 10m
United Airlines
Wed 8/511:20 pm
SFO
- PHL
Nonstop5h 30m
United Airlines
Deal found 7/15![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 7/17. 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
Tue 10/610:20 am
SFO
- PHL
2 stops10h 10m
Southwest
Deal found 7/17![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 7/17. 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 8/135:25 am
PHL
- SFO
2 stops9h 30m
Southwest
Mon 8/175:35 am
SFO
- PHL
1 stop9h 20m
Southwest
Deal found 7/17![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 7/13. 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 10/135:30 am
PHL
- SFO
2 stops11h 25m
Southwest
Wed 10/1410:20 am
SFO
- PHL
2 stops10h 10m
Southwest
Deal found 7/13![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 7/14. 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.
Mon 9/212:05 pm
PHL
- SFO
2 stops9h 30m
Southwest
Mon 10/512:05 pm
SFO
- PHL
2 stops9h 55m
Southwest
Deal found 7/14![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 7/15. 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 9/35:55 am
PHL
- SFO
2 stops10h 15m
Southwest
Sun 9/66:35 am
SFO
- PHL
2 stops11h 45m
Southwest
Deal found 7/15![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 7/17. 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 8/145:25 am
PHL
- SFO
2 stops9h 30m
Southwest
Fri 8/217:00 am
SFO
- PHL
2 stops11h 05m
Southwest
Deal found 7/17![Southwest logo]()
$419
This Southwest deal was found by Cheapflights users on 7/15. 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.
Sun 8/165:05 pm
PHL
- SFO
2 stops9h 10m
Southwest
Sat 8/225:00 am
SFO
- PHL
2 stops10h 20m
Southwest
Deal found 7/15![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 7/14. 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 7/315:20 pm
PHL
- SFO
2 stops10h 15m
Southwest
Tue 8/119:35 am
SFO
- PHL
2 stops11h 15m
Southwest
Deal found 7/14![Southwest logo]()
$466
Last-minute flights from Philadelphia to San FranciscoDiscover last-minute flight deals from Philadelphia to San Francisco. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Francisco. Data last updated July 17, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/15. 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.
Fri 7/1711:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Tue 8/49:00 pm
SFO
- PHL
1 stop30h 00m
Frontier
Deal found 7/15![Frontier logo]()
$352
This Frontier deal was found by Cheapflights users on 7/15. 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.
Tue 7/2111:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Thu 7/309:39 pm
SFO
- PHL
1 stop11h 10m
Frontier
Deal found 7/15![Frontier logo]()
$350
This Frontier deal was found by Cheapflights users on 7/16. 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.
Tue 7/2111:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Wed 7/294:30 pm
SFO
- PHL
1 stop10h 30m
Frontier
Deal found 7/16![Frontier logo]()
$355
This Expedia deal was found by Cheapflights users on 7/15. 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.
Tue 7/2111:06 am
PHL
- SFO
1 stop26h 24m
Frontier
Tue 7/284:30 pm
SFO
- PHL
1 stop10h 30m
Frontier
Deal found 7/15![Frontier logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 7/2712:54 pm
PHL
- SFO
1 stop14h 29m
Frontier
Sat 8/297:30 pm
SFO
- PHL
1 stop7h 09m
Frontier
Deal found 7/13![Frontier logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 7/308:37 pm
PHL
- SFO
1 stop27h 17m
Frontier
Sun 8/26:00 am
SFO
- PHL
1 stop20h 39m
Frontier
Deal found 7/17![Frontier logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/26:30 am
PHL
- SFO
1 stop15h 48m
Frontier
Sun 8/237:30 pm
SFO
- PHL
1 stop7h 09m
Frontier
Deal found 7/13![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/101:32 pm
PHL
- SFO
2 stops23h 53m
Frontier
Mon 8/176:04 pm
SFO
- PHL
1 stop8h 35m
Frontier
Deal found 7/13![Frontier logo]()
$353
This Southwest deal was found by Cheapflights users on 7/13. 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
Wed 8/1911:15 am
SFO
- PHL
2 stops9h 35m
Southwest
Deal found 7/13![Southwest logo]()
$356
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Fri 8/149:27 am
PHL
- SFO
Nonstop6h 03m
United Airlines
Wed 8/192:05 pm
SFO
- PHL
1 stop7h 54m
United Airlines
Deal found 7/14![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/13. 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 8/216:00 pm
PHL
- SFO
Nonstop6h 09m
American Airlines
Sun 8/2310:12 pm
SFO
- PHL
Nonstop5h 32m
American Airlines
Deal found 7/13![American Airlines logo]()
$349
This CheapOair deal was found by Cheapflights users on 7/15. 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 8/248:55 pm
PHL
- SFO
2 stops30h 43m
Multiple Airlines
Sat 8/297:30 pm
SFO
- PHL
1 stop7h 09m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$354
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 17, 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 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/36:30 am
PHL
- SFO
1 stop15h 48m
Frontier
Deal found 7/14![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/1512:43 pm
PHL
- SFO
2 stops25h 03m
Frontier
Deal found 7/13![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 7/16. 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.
Tue 7/2811:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Deal found 7/16![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/67:47 pm
PHL
- SFO
3 stops49h 31m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$182
This Super.com deal was found by Cheapflights users on 7/17. 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.
Sun 7/268:37 pm
PHL
- SFO
1 stop30h 46m
Frontier
Deal found 7/17![Frontier logo]()
$183
This Southwest deal was found by Cheapflights users on 7/13. 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 11/265:30 am
PHL
- SFO
1 stop9h 40m
Southwest
Deal found 7/13![Southwest logo]()
$185
This Frontier deal was found by Cheapflights users on 7/12. 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 7/2211:06 am
PHL
- SFO
1 stop11h 46m
Frontier
Deal found 7/12![Frontier logo]()
$186
This Super.com deal was found by Cheapflights users on 7/13. 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.
Sat 8/811:06 am
PHL
- SFO
1 stop12h 04m
Frontier
Deal found 7/13![Frontier logo]()
$187
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (American Airlines) |
One-way from | $179 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $427 |
Good round-trip deal | $405 or less |
Good one-way deal | $274 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 17, 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
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Tue 8/11
3:05 pm-9:40 pm
2 stops9h 35m
San Francisco
Tue 8/18
11:15 am-11:50 pm
2 stops9h 35m
$361
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 10/1
5:20 am-1:05 pm
2 stops10h 45m
San Francisco
Tue 10/6
10:20 am-11:30 pm
2 stops10h 10m
$374
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 8/13
5:15 am-11:55 am
1 stop9h 40m
San Francisco
Mon 8/17
7:25 pm-6:05 am
1 stop7h 40m
$379
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 8/13
5:25 am-11:55 am
2 stops9h 30m
San Francisco
Mon 8/17
5:35 am-5:55 pm
1 stop9h 20m
$393
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Tue 10/13
5:30 am-1:55 pm
2 stops11h 25m
San Francisco
Wed 10/14
10:20 am-11:30 pm
2 stops10h 10m
$403
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Mon 9/21
2:05 pm-8:35 pm
2 stops9h 30m
San Francisco
Mon 10/5
12:05 pm-1:00 am
2 stops9h 55m
$403
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 9/3
5:55 am-1:10 pm
2 stops10h 15m
San Francisco
Sun 9/6
6:35 am-9:20 pm
2 stops11h 45m
$409
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Fri 8/14
5:25 am-11:55 am
2 stops9h 30m
San Francisco
Fri 8/21
7:00 am-9:05 pm
2 stops11h 05m
$419
Quickest round-trip
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 7/30
6:23 pm-9:33 pm
Nonstop6h 10m
San Francisco
Wed 8/5
11:20 pm-7:50 am
Nonstop5h 30m
$426
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sun 8/16
5:05 pm-11:15 pm
2 stops9h 10m
San Francisco
Sat 8/22
5:00 am-6:20 pm
2 stops10h 20m
$433
Showing 1-10 of 22 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 17, 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 17, 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.
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
6.0
GoodJames,Aug 2023
SEA - SFO
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
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
Burlingame
Rancho Cordova
Roseville
Cupertino
Emeryville
Newark
Watsonville
San Bruno
Hayward
San Ramon
Redwood City
San Carlos
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 17, 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 17, 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 17, 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$282 | 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$423 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$289 | Average$429 | FlexibilityNo cancel fee | On-time71% |