$120+ Cheap flights from Philadelphia (PHL) to San Francisco Bay Area
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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Aug 21 — Aug 281
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to San Francisco Bay Area 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to San Francisco Bay Area
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Cheapest flights from Philadelphia to San Francisco Bay AreaExplore the most affordable flight options available from Philadelphia to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 22, 2026.
Explore the most affordable flight options available from Philadelphia to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 22, 2026.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:06 am
PHL
- SJC
1 stop29h 11m
Frontier
Mon 8/172:12 pm
SJC
- PHL
1 stop12h 48m
Frontier
Deal found 7/19![Frontier logo]()
$240
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.
Thu 8/207:00 am
PHL
- OAK
1 stop15h 42m
Frontier
Tue 8/2512:13 pm
OAK
- PHL
1 stop15h 17m
Frontier
Deal found 7/18![Frontier logo]()
$250
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
PHL
- SJC
1 stop31h 07m
Frontier
Sun 8/231:02 pm
SJC
- PHL
1 stop14h 28m
Frontier
Deal found 7/20![Frontier logo]()
$297
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
PHL
- OAK
1 stop15h 42m
Frontier
Sun 8/2312:13 pm
OAK
- PHL
1 stop15h 17m
Frontier
Deal found 7/21![Frontier logo]()
$300
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:46 pm
PHL
- SJC
1 stop8h 35m
Multiple Airlines
Mon 8/242:17 pm
SJC
- PHL
1 stop13h 13m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$305
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.
Wed 7/2211:06 am
PHL
- SJC
1 stop29h 11m
Frontier
Sat 8/12:12 pm
SJC
- PHL
1 stop12h 48m
Frontier
Deal found 7/18![Frontier logo]()
$307
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
PHL
- OAK
1 stop30h 18m
Frontier
Fri 8/2812:13 pm
OAK
- PHL
1 stop15h 17m
Frontier
Deal found 7/19![Frontier logo]()
$316
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:20 am
PHL
- SJC
1 stop8h 34m
Delta
Wed 8/191:24 pm
SJC
- PHL
1 stop7h 32m
Delta
Deal found 7/20![Delta logo]()
$319
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:06 am
PHL
- SJC
1 stop29h 11m
Frontier
Sat 8/152:12 pm
SJC
- PHL
1 stop12h 48m
Frontier
Deal found 7/21![Frontier logo]()
$321
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 8/136:25 am
PHL
- SJC
1 stop8h 21m
United Airlines
Sun 8/166:37 pm
SJC
- PHL
1 stop7h 58m
United Airlines
Deal found 7/21![United Airlines logo]()
$324
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:58 pm
PHL
- SJC
1 stop10h 00m
Delta
Sun 8/167:11 pm
SJC
- PHL
1 stop7h 54m
Delta
Deal found 7/22![Delta logo]()
$329
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.
Sat 9/196:30 am
PHL
- SJC
2 stops9h 10m
Southwest
Sun 9/208:30 am
SJC
- PHL
1 stop12h 40m
Southwest
Deal found 7/17![Southwest logo]()
$330
Best flights from Philadelphia to San Francisco Bay AreaDiscover carefully curated flight deals from Philadelphia to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 22, 2026.
Discover carefully curated flight deals from Philadelphia to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 22, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 am
PHL
- SJC
1 stop9h 48m
Delta
Sun 10/187:11 pm
SJC
- PHL
1 stop7h 54m
Delta
Deal found 7/18![Delta logo]()
$319
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:00 am
PHL
- SJC
1 stop7h 45m
Southwest
Fri 8/288:15 am
SJC
- PHL
2 stops9h 50m
Southwest
Deal found 7/20![Southwest logo]()
$324
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:30 am
PHL
- SJC
2 stops10h 01m
United Airlines
Sun 8/236:37 pm
SJC
- PHL
2 stops12h 06m
United Airlines
Deal found 7/20![United Airlines logo]()
$359
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am
PHL
- SJC
1 stop11h 51m
Alaska Airlines
Wed 9/234:47 pm
SJC
- PHL
1 stop9h 53m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$359
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:58 pm
PHL
- SJC
1 stop10h 00m
Delta
Thu 9/36:40 am
SJC
- PHL
1 stop9h 09m
Delta
Deal found 7/17![Delta logo]()
$319
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.
Fri 8/214:05 pm
PHL
- SJC
2 stops9h 15m
Southwest
Fri 8/288:15 am
SJC
- PHL
2 stops9h 50m
Southwest
Deal found 7/19![Southwest logo]()
$329
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:30 pm
PHL
- SFO
1 stop8h 19m
United Airlines
Mon 9/1412:25 pm
SFO
- PHL
Nonstop5h 30m
United Airlines
Deal found 7/17![United Airlines logo]()
$359
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:45 pm
PHL
- SJC
1 stop7h 56m
Delta
Mon 9/217:11 pm
SJC
- PHL
1 stop7h 54m
Delta
Deal found 7/21![Delta logo]()
$329
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.
Sat 9/196:30 am
PHL
- SJC
2 stops9h 10m
Southwest
Sun 9/208:30 am
SJC
- PHL
1 stop12h 40m
Southwest
Deal found 7/17![Southwest logo]()
$330
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:58 pm
PHL
- SJC
1 stop10h 00m
Delta
Mon 8/177:11 pm
SJC
- PHL
1 stop7h 54m
Delta
Deal found 7/22![Delta logo]()
$329
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:48 pm
PHL
- STS
1 stop19h 27m
Alaska Airlines
Wed 9/96:53 pm
STS
- PHL
1 stop17h 52m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$403
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 8/135:01 pm
PHL
- SJC
1 stop8h 49m
United Airlines
Sun 8/166:37 pm
SJC
- PHL
2 stops12h 06m
United Airlines
Deal found 7/21![United Airlines logo]()
$368
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
Tue 8/186:35 am
SFO
- PHL
2 stops8h 25m
Southwest
Deal found 7/21![Southwest logo]()
$356
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:17 pm
PHL
- STS
1 stop19h 40m
Alaska Airlines
Wed 10/77:00 am
STS
- PHL
1 stop19h 41m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$403
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:05 pm
PHL
- SFO
1 stop12h 40m
Southwest
Thu 8/201:55 pm
SFO
- PHL
2 stops16h 45m
Southwest
Deal found 7/20![Southwest logo]()
$367
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
PHL
- SJC
1 stop8h 28m
Delta
Thu 8/207:11 pm
SJC
- PHL
1 stop7h 54m
Delta
Deal found 7/22![Delta logo]()
$369
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
PHL
- OAK
1 stop9h 19m
Alaska Airlines
Sat 9/267:51 pm
OAK
- PHL
1 stop30h 49m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$412
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.
Thu 9/175:25 am
PHL
- OAK
1 stop8h 10m
Southwest
Mon 9/2111:55 pm
OAK
- PHL
1 stop8h 40m
Southwest
Deal found 7/18![Southwest logo]()
$369
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:20 pm
PHL
- OAK
2 stops9h 36m
Delta
Fri 8/285:00 pm
OAK
- PHL
1 stop10h 05m
Delta
Deal found 7/22![Delta logo]()
$384
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:36 pm
PHL
- SFO
Nonstop6h 03m
United Airlines
Tue 8/182:05 pm
SFO
- PHL
1 stop7h 54m
United Airlines
Deal found 7/19![United Airlines logo]()
$469
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am
PHL
- STS
1 stop8h 46m
Alaska Airlines
Tue 9/156:59 pm
STS
- PHL
2 stops31h 41m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$439
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 7/17. 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 9/105:55 am
PHL
- SFO
2 stops10h 15m
Southwest
Mon 9/1410:50 am
SFO
- PHL
2 stops9h 55m
Southwest
Deal found 7/17![Southwest logo]()
$369
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:59 pm
PHL
- STS
2 stops24h 57m
Alaska Airlines
Sun 9/277:03 am
STS
- PHL
1 stop19h 37m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$493
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 9/2411:45 am
PHL
- OAK
2 stops10h 30m
Southwest
Sat 9/2611:55 pm
OAK
- PHL
1 stop8h 15m
Southwest
Deal found 7/22![Southwest logo]()
$374
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 10/165:10 pm
PHL
- SFO
2 stops10h 30m
Southwest
Sun 10/1810:55 am
SFO
- PHL
1 stop10h 40m
Southwest
Deal found 7/18![Southwest logo]()
$380
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 9/242:10 pm
PHL
- SJC
2 stops12h 10m
Southwest
Sun 9/276:10 am
SJC
- PHL
2 stops8h 55m
Southwest
Deal found 7/21![Southwest logo]()
$388
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 8/135:25 am
PHL
- OAK
1 stop9h 50m
Southwest
Mon 8/1711:55 pm
OAK
- PHL
1 stop8h 40m
Southwest
Deal found 7/19![Southwest logo]()
$393
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.
Wed 8/193:05 pm
PHL
- OAK
2 stops9h 15m
Southwest
Sun 8/232:00 pm
OAK
- PHL
1 stop7h 10m
Southwest
Deal found 7/17![Southwest logo]()
$398
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.
Sat 10/35:25 am
PHL
- STS
1 stop8h 10m
Southwest
Wed 10/76:35 am
STS
- PHL
2 stops13h 55m
Southwest
Deal found 7/22![Southwest logo]()
$408
Last-minute flights from Philadelphia to San Francisco Bay AreaDiscover last-minute flight deals from Philadelphia to San Francisco Bay Area. Data last updated July 22, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Francisco Bay Area. Data last updated July 22, 2026 and is based on user searches.
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.
Wed 7/2211:06 am
PHL
- SJC
1 stop29h 11m
Frontier
Sat 8/12:12 pm
SJC
- PHL
1 stop12h 48m
Frontier
Deal found 7/18![Frontier logo]()
$307
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:20 am
PHL
- SJC
1 stop8h 34m
Delta
Wed 8/191:24 pm
SJC
- PHL
1 stop7h 32m
Delta
Deal found 7/20![Delta logo]()
$319
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:06 am
PHL
- SJC
1 stop29h 11m
Frontier
Sat 8/152:12 pm
SJC
- PHL
1 stop12h 48m
Frontier
Deal found 7/21![Frontier logo]()
$321
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:06 am
PHL
- SJC
1 stop29h 11m
Frontier
Mon 8/172:12 pm
SJC
- PHL
1 stop12h 48m
Frontier
Deal found 7/19![Frontier logo]()
$240
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 8/136:25 am
PHL
- SJC
1 stop8h 21m
United Airlines
Sun 8/166:37 pm
SJC
- PHL
1 stop7h 58m
United Airlines
Deal found 7/21![United Airlines logo]()
$324
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:58 pm
PHL
- SJC
1 stop10h 00m
Delta
Sun 8/167:11 pm
SJC
- PHL
1 stop7h 54m
Delta
Deal found 7/22![Delta logo]()
$329
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:46 pm
PHL
- SJC
1 stop8h 35m
Multiple Airlines
Mon 8/242:17 pm
SJC
- PHL
1 stop13h 13m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$305
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
PHL
- SJC
1 stop31h 07m
Frontier
Sun 8/231:02 pm
SJC
- PHL
1 stop14h 28m
Frontier
Deal found 7/20![Frontier logo]()
$297
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
PHL
- OAK
1 stop30h 18m
Frontier
Fri 8/2812:13 pm
OAK
- PHL
1 stop15h 17m
Frontier
Deal found 7/19![Frontier logo]()
$316
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.
Thu 8/207:00 am
PHL
- OAK
1 stop15h 42m
Frontier
Tue 8/2512:13 pm
OAK
- PHL
1 stop15h 17m
Frontier
Deal found 7/18![Frontier logo]()
$250
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.
Thu 8/207:00 am
PHL
- OAK
1 stop15h 42m
Frontier
Wed 8/2612:13 pm
OAK
- PHL
1 stop15h 17m
Frontier
Deal found 7/22![Frontier logo]()
$251
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
PHL
- OAK
1 stop15h 42m
Frontier
Sun 8/2312:13 pm
OAK
- PHL
1 stop15h 17m
Frontier
Deal found 7/21![Frontier logo]()
$300
One-way flights from Philadelphia to San Francisco Bay AreaSearch for one-way flight options from Philadelphia to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated July 22, 2026.
Search for one-way flight options from Philadelphia to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated July 22, 2026.
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.
Sun 8/307:00 am
PHL
- SJC
1 stop8h 07m
Frontier
Deal found 7/19![Frontier logo]()
$120
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 8/313:00 pm
PHL
- OAK
2 stops23h 18m
Frontier
Deal found 7/22![Frontier logo]()
$121
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:00 am
PHL
- SJC
1 stop8h 07m
Frontier
Deal found 7/20![Frontier logo]()
$121
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.
Tue 9/11:00 pm
PHL
- OAK
2 stops25h 18m
Frontier
Deal found 7/22![Frontier logo]()
$123
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.
Thu 8/1311:06 am
PHL
- SJC
1 stop29h 11m
Frontier
Deal found 7/19![Frontier logo]()
$124
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:06 am
PHL
- SJC
1 stop29h 11m
Frontier
Deal found 7/22![Frontier logo]()
$125
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.
Sun 8/236:07 pm
PHL
- OAK
2 stops44h 11m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$128
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:00 am
PHL
- OAK
1 stop14h 42m
Frontier
Deal found 7/18![Frontier logo]()
$131
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.
Sun 8/306:07 pm
PHL
- OAK
2 stops44h 11m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$134
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
PHL
- OAK
1 stop30h 18m
Frontier
Deal found 7/19![Frontier logo]()
$136
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.
Tue 8/119:16 pm
PHL
- SJC
2 stops43h 01m
Frontier
Deal found 7/22![Frontier logo]()
$139
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:07 pm
PHL
- SJC
2 stops22h 15m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$147
Find flight deals from Philadelphia to San Francisco Bay Area
Keep the following information in mind while searching for Philadelphia to San Francisco Bay Area flight deals. Data was last updated July 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Expedia) |
One-way from | $120 (Frontier) |
Popular in | June |
Cheapest in | September |
Average price | $429 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to San Francisco Bay Area 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 22, 2026.
Use the filters below to find and compare flights from Philadelphia to San Francisco Bay Area that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Fri 10/16
5:45 am-12:33 pm
1 stop9h 48m
San Jose
Sun 10/18
7:11 pm-6:05 am
1 stop7h 54m
$319
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Thu 8/27
3:58 pm-10:58 pm
1 stop10h 00m
San Jose
Thu 9/3
6:40 am-6:49 pm
1 stop9h 09m
$319
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Thu 8/20
8:00 am-12:45 pm
1 stop7h 45m
San Jose
Fri 8/28
8:15 am-9:05 pm
2 stops9h 50m
$324
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Fri 8/21
4:05 pm-10:20 pm
2 stops9h 15m
San Jose
Fri 8/28
8:15 am-9:05 pm
2 stops9h 50m
$329
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Thu 9/17
3:45 pm-8:41 pm
1 stop7h 56m
San Jose
Mon 9/21
7:11 pm-6:05 am
1 stop7h 54m
$329
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Thu 8/13
3:58 pm-10:58 pm
1 stop10h 00m
San Jose
Mon 8/17
7:11 pm-6:05 am
1 stop7h 54m
$329
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Sat 9/19
6:30 am-12:40 pm
2 stops9h 10m
San Jose
Sun 9/20
8:30 am-12:10 am
1 stop12h 40m
$330
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 8/13
1:05 pm-7:15 pm
1 stop9h 10m
San Francisco
Tue 8/18
6:35 am-6:00 pm
2 stops8h 25m
$356
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Wed 8/19
10:30 am-5:31 pm
2 stops10h 01m
San Jose
Sun 8/23
6:37 pm-9:43 am
2 stops12h 06m
$359
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Tue 9/22
7:00 am-3:51 pm
1 stop11h 51m
San Jose
Wed 9/23
4:47 pm-5:40 am
1 stop9h 53m
$359
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Philadelphia with our price prediction graph.
PHL-SJC
PHL-SFO
PHL-STS
PHL-OAK
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 Bay Area
PHL-zzXIH
PHL-SJC
PHL-SFO
PHL-STS
PHL-OAK
What is the cheapest month to book a flight from Philadelphia to San Francisco Bay Area?
Currently, September is the cheapest month in which you can book a flight from Philadelphia to San Francisco Bay Area (average of $385). Flying from Philadelphia to San Francisco Bay Area 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 XIH?
Find hourly flight availability from Philadelphia to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 22, 2026.
When flying from Philadelphia to San Francisco Bay Area, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Philadelphia to San Francisco Bay Area
Explore weekly flight availability from Philadelphia to San Francisco Bay Area. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 22, 2026.
The most flights from PHL to zzXIH are scheduled on a Monday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).
How far ahead should I book a flight from Philadelphia to San Francisco Bay Area?
Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to San Francisco Bay Area. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing San Francisco Bay Area
Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated July 22, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Philadelphia to San Francisco Bay Area by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Philadelphia to San Francisco Bay Area
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Complete your trip
Complete your trip to San Francisco Bay Area by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to San Francisco Bay Area by cabin class
Find flights from Philadelphia to San Francisco Bay Area, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and San Francisco Bay Area flights
Browse other Philadelphia and San Francisco Bay Area flight options. Last updated on July 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to San Francisco Bay Area flights
Consider these flights traveling from Philadelphia to San Francisco Bay Area.
Top 6 airlines flying from Philadelphia to San Francisco Bay Area
Discover the top 6 airlines that operate flights from Philadelphia to San Francisco Bay Area. 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$154 | Average$293 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$492 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$231 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$424 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$338 | FlexibilityNo cancel fee | On-time62% |