$129+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Jun 21 — Jun 281
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to San Francisco Bay Area with Cheapflights
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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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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 May 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 May 22, 2026.
This Delta deal was found by Cheapflights users on 5/20. 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.
Thu 7/25:40 am
PHL
- SJC
1 stop9h 25m
Delta
Wed 7/151:15 pm
SJC
- PHL
1 stop7h 41m
Delta
Deal found 5/20![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 5/17. 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 5/294:14 pm
PHL
- SJC
1 stop7h 55m
United Airlines
Mon 6/16:37 pm
SJC
- PHL
2 stops12h 08m
United Airlines
Deal found 5/17![United Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:17 pm
PHL
- SJC
1 stop9h 25m
American Airlines
Mon 6/157:24 pm
SJC
- PHL
1 stop7h 10m
American Airlines
Deal found 5/21![American Airlines logo]()
$265
This American Airlines deal was found by Cheapflights users on 5/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 am
PHL
- SJC
1 stop8h 48m
American Airlines
Thu 8/207:12 pm
SJC
- PHL
1 stop9h 00m
American Airlines
Deal found 5/20![American Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 5/20. 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.
Fri 8/76:15 am
PHL
- SJC
1 stop8h 13m
Delta
Tue 8/186:10 am
SJC
- PHL
1 stop9h 04m
Delta
Deal found 5/20![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 5/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:45 am
PHL
- SJC
1 stop8h 46m
American Airlines
Thu 6/47:24 pm
SJC
- PHL
1 stop8h 12m
American Airlines
Deal found 5/17![American Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 5/21. 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.
Sun 6/145:40 am
PHL
- SJC
1 stop9h 25m
Delta
Fri 9/187:00 pm
SJC
- PHL
1 stop7h 43m
Delta
Deal found 5/21![Delta logo]()
$278
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:00 am
PHL
- SJC
1 stop8h 56m
American Airlines
Mon 6/157:24 pm
SJC
- PHL
1 stop8h 12m
American Airlines
Deal found 5/18![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 5/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:06 am
PHL
- SJC
2 stops9h 50m
American Airlines
Wed 7/87:22 pm
SJC
- PHL
1 stop7h 13m
American Airlines
Deal found 5/20![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 5/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:45 am
PHL
- SJC
1 stop8h 50m
American Airlines
Tue 8/44:25 pm
SJC
- PHL
1 stop10h 10m
American Airlines
Deal found 5/20![American Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Sat 6/136:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Sat 9/1910:37 am
SFO
- PHL
Nonstop5h 38m
United Airlines
Deal found 5/18![United Airlines logo]()
$349
This Expedia deal was found by Cheapflights users on 5/18. 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.
Fri 7/171:32 pm
PHL
- SFO
1 stop8h 41m
Frontier
Mon 7/2710:56 pm
SFO
- PHL
1 stop28h 26m
Frontier
Deal found 5/18![Frontier logo]()
$350
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 May 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 May 22, 2026.
This Delta deal was found by Cheapflights users on 5/21. 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.
Fri 7/104:08 pm
PHL
- SJC
1 stop9h 41m
Delta
Mon 7/137:10 pm
SJC
- PHL
1 stop8h 05m
Delta
Deal found 5/21![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Fri 5/296:15 am
PHL
- SJC
1 stop8h 48m
United Airlines
Wed 6/36:37 pm
SJC
- PHL
2 stops12h 08m
United Airlines
Deal found 5/18![United Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 5/20. 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 8/204:05 pm
PHL
- SJC
1 stop9h 10m
Southwest
Sun 8/238:30 am
SJC
- PHL
1 stop10h 20m
Southwest
Deal found 5/20![Southwest logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
Fri 6/125:46 pm
PHL
- SJC
1 stop8h 35m
Alaska Airlines
Sat 9/194:47 pm
SJC
- PHL
1 stop9h 53m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/18. 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 6/126:51 pm
PHL
- SJC
1 stop7h 48m
Delta
Sat 9/1912:45 pm
SJC
- PHL
1 stop8h 42m
Delta
Deal found 5/18![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Fri 7/106:15 am
PHL
- SJC
1 stop8h 48m
United Airlines
Thu 7/166:37 pm
SJC
- PHL
2 stops12h 08m
United Airlines
Deal found 5/21![United Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 5/17. 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.
Mon 7/2012:50 pm
PHL
- SJC
1 stop13h 35m
Southwest
Thu 7/232:35 pm
SJC
- PHL
1 stop7h 05m
Southwest
Deal found 5/17![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 5/21. 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.
Fri 6/126:51 pm
PHL
- SJC
1 stop7h 48m
Delta
Sun 9/2012:45 pm
SJC
- PHL
1 stop8h 42m
Delta
Deal found 5/21![Delta logo]()
$328
This Southwest deal was found by Cheapflights users on 5/21. 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.
Fri 6/54:45 pm
PHL
- SJC
1 stop9h 10m
Southwest
Mon 6/84:20 pm
SJC
- PHL
2 stops15h 30m
Southwest
Deal found 5/21![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/21. 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 7/96:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Mon 7/135:30 pm
SFO
- PHL
1 stop9h 01m
United Airlines
Deal found 5/21![United Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:06 pm
PHL
- STS
1 stop19h 56m
Alaska Airlines
Wed 10/75:04 pm
STS
- PHL
1 stop9h 36m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 5/21. 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 5/284:06 pm
PHL
- SJC
1 stop9h 49m
Delta
Mon 6/17:00 pm
SJC
- PHL
1 stop8h 10m
Delta
Deal found 5/21![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 5/20. 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.
Mon 8/106:05 pm
PHL
- SJC
1 stop8h 15m
Southwest
Mon 8/179:40 am
SJC
- PHL
2 stops9h 35m
Southwest
Deal found 5/20![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:02 am
PHL
- STS
1 stop8h 41m
Alaska Airlines
Wed 9/25:34 pm
STS
- PHL
1 stop9h 06m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 5/17. 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 7/105:20 pm
PHL
- OAK
2 stops9h 55m
Southwest
Tue 7/1411:55 pm
OAK
- PHL
1 stop9h 15m
Southwest
Deal found 5/17![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:15 am
PHL
- SFO
1 stop8h 07m
Delta
Sun 8/167:25 pm
SFO
- PHL
1 stop7h 40m
Delta
Deal found 5/19![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 5/17. 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 6/109:35 am
PHL
- SJC
1 stop12h 40m
Southwest
Fri 6/124:20 pm
SJC
- PHL
2 stops15h 40m
Southwest
Deal found 5/17![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 5/21. 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.
Mon 7/276:57 pm
PHL
- SFO
1 stop7h 49m
Delta
Fri 8/216:00 am
SFO
- PHL
1 stop9h 42m
Delta
Deal found 5/21![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Sat 6/136:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Fri 9/188:50 am
SFO
- PHL
Nonstop5h 40m
United Airlines
Deal found 5/21![United Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
Fri 10/234:06 pm
PHL
- STS
1 stop19h 56m
Alaska Airlines
Tue 10/277:00 am
STS
- PHL
1 stop19h 40m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$478
This Southwest deal was found by Cheapflights users on 5/17. 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 7/225:40 pm
PHL
- SFO
1 stop7h 45m
Southwest
Wed 7/2910:30 am
SFO
- PHL
2 stops11h 30m
Southwest
Deal found 5/17![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Sat 7/46:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Mon 7/65:30 pm
SFO
- PHL
1 stop9h 01m
United Airlines
Deal found 5/21![United Airlines logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
Sun 10/47:00 am
PHL
- STS
1 stop9h 06m
Alaska Airlines
Wed 10/75:04 pm
STS
- PHL
1 stop9h 36m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Thu 6/186:23 pm
PHL
- SFO
Nonstop6h 10m
United Airlines
Sat 6/2712:50 am
SFO
- PHL
1 stop8h 35m
United Airlines
Deal found 5/20![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 5/19. 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 7/295:15 am
PHL
- OAK
1 stop7h 30m
Southwest
Wed 8/55:30 am
OAK
- PHL
2 stops9h 30m
Southwest
Deal found 5/19![Southwest logo]()
$398
This Delta deal was found by Cheapflights users on 5/21. 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.
Fri 6/56:45 pm
PHL
- OAK
1 stop8h 12m
Delta
Sat 6/65:55 pm
OAK
- PHL
2 stops11h 49m
Delta
Deal found 5/21![Delta logo]()
$454
This Southwest deal was found by Cheapflights users on 5/18. 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 7/1512:55 pm
PHL
- SFO
2 stops10h 00m
Southwest
Mon 7/206:05 am
SFO
- PHL
2 stops10h 40m
Southwest
Deal found 5/18![Southwest logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:48 pm
PHL
- STS
1 stop9h 31m
Alaska Airlines
Sun 9/277:03 am
STS
- PHL
1 stop19h 37m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 5/21. 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 7/302:32 pm
PHL
- OAK
2 stops12h 18m
Delta
Thu 8/1312:33 pm
OAK
- PHL
2 stops14h 07m
Delta
Deal found 5/21![Delta logo]()
$485
This Southwest deal was found by Cheapflights users on 5/19. 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 7/1512:55 pm
PHL
- SFO
2 stops10h 00m
Southwest
Sat 7/187:05 am
SFO
- PHL
2 stops10h 50m
Southwest
Deal found 5/19![Southwest logo]()
$413
Last-minute flights from Philadelphia to San Francisco Bay AreaDiscover last-minute flight deals from Philadelphia to San Francisco Bay Area. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Francisco Bay Area. Data last updated May 22, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:40 am
PHL
- SFO
1 stop25h 09m
Frontier
Sun 6/710:50 pm
SFO
- PHL
1 stop28h 31m
Frontier
Deal found 5/20![Frontier logo]()
$350
This Delta deal was found by Cheapflights users on 5/18. 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.
Thu 5/287:10 am
PHL
- SJC
1 stop10h 01m
Delta
Wed 6/310:00 pm
SJC
- PHL
1 stop8h 27m
Delta
Deal found 5/18![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 5/18. 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 5/288:00 am
PHL
- SJC
1 stop8h 24m
United Airlines
Mon 6/16:37 pm
SJC
- PHL
2 stops12h 08m
United Airlines
Deal found 5/18![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/17. 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 5/294:14 pm
PHL
- SJC
1 stop7h 55m
United Airlines
Mon 6/16:37 pm
SJC
- PHL
2 stops12h 08m
United Airlines
Deal found 5/17![United Airlines logo]()
$262
This Travelocity deal was found by Cheapflights users on 5/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:40 am
PHL
- SFO
1 stop26h 50m
Frontier
Thu 6/119:43 pm
SFO
- PHL
1 stop28h 55m
Frontier
Deal found 5/21![Frontier logo]()
$349
This American Airlines deal was found by Cheapflights users on 5/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:45 am
PHL
- SJC
1 stop8h 46m
American Airlines
Thu 6/47:24 pm
SJC
- PHL
1 stop8h 12m
American Airlines
Deal found 5/17![American Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:00 am
PHL
- SJC
1 stop8h 56m
American Airlines
Mon 6/157:24 pm
SJC
- PHL
1 stop8h 12m
American Airlines
Deal found 5/18![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:17 pm
PHL
- SJC
1 stop9h 25m
American Airlines
Mon 6/157:24 pm
SJC
- PHL
1 stop7h 10m
American Airlines
Deal found 5/21![American Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 5/21. 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.
Sun 6/145:40 am
PHL
- SJC
1 stop9h 25m
Delta
Fri 9/187:00 pm
SJC
- PHL
1 stop7h 43m
Delta
Deal found 5/21![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 5/18. 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.
Sun 6/145:40 am
PHL
- SJC
1 stop9h 25m
Delta
Sat 9/1912:45 pm
SJC
- PHL
1 stop8h 42m
Delta
Deal found 5/18![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:17 pm
PHL
- SJC
1 stop9h 25m
American Airlines
Wed 7/87:22 pm
SJC
- PHL
1 stop7h 13m
American Airlines
Deal found 5/21![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 5/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:45 am
PHL
- SJC
1 stop8h 46m
American Airlines
Tue 7/712:41 pm
SJC
- PHL
1 stop8h 15m
American Airlines
Deal found 5/22![American Airlines logo]()
$299
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 May 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 May 22, 2026.
This Delta deal was found by Cheapflights users on 5/18. 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 6/56:45 pm
PHL
- SJC
1 stop7h 56m
Delta
Deal found 5/18![Delta logo]()
$129
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/174:17 pm
PHL
- SJC
1 stop9h 25m
American Airlines
Deal found 5/21![American Airlines logo]()
$130
This Southwest deal was found by Cheapflights users on 5/19. 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 5/274:00 pm
PHL
- SJC
2 stops10h 00m
Southwest
Deal found 5/19![Southwest logo]()
$134
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:22 pm
PHL
- SJC
1 stop9h 50m
American Airlines
Deal found 5/18![American Airlines logo]()
$140
This Southwest deal was found by Cheapflights users on 5/17. 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 7/12:20 pm
PHL
- SJC
1 stop8h 50m
Southwest
Deal found 5/17![Southwest logo]()
$143
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:17 pm
PHL
- SJC
1 stop9h 25m
American Airlines
Deal found 5/21![American Airlines logo]()
$145
This American Airlines deal was found by Cheapflights users on 5/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:17 pm
PHL
- SJC
1 stop9h 25m
American Airlines
Deal found 5/20![American Airlines logo]()
$146
This Delta deal was found by Cheapflights users on 5/21. 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.
Sun 6/75:40 am
PHL
- SJC
1 stop9h 25m
Delta
Deal found 5/21![Delta logo]()
$150
This Southwest deal was found by Cheapflights users on 5/21. 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.
Wed 7/12:20 pm
PHL
- OAK
1 stop9h 10m
Southwest
Deal found 5/21![Southwest logo]()
$175
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:40 am
PHL
- OAK
2 stops9h 13m
Delta
Deal found 5/19![Delta logo]()
$180
This Super.com deal was found by Cheapflights users on 5/22. 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 5/3110:40 am
PHL
- SFO
1 stop25h 09m
Frontier
Deal found 5/22![Frontier logo]()
$184
This Southwest deal was found by Cheapflights users on 5/18. 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 6/126:55 pm
PHL
- OAK
1 stop8h 15m
Southwest
Deal found 5/18![Southwest logo]()
$185
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 May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Delta) |
One-way from | $129 (Delta) |
Popular in | November |
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 May 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 7/10
4:08 pm-10:49 pm
1 stop9h 41m
San Jose
Mon 7/13
7:10 pm-6:15 am
1 stop8h 05m
$257
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Fri 5/29
6:15 am-12:03 pm
1 stop8h 48m
San Jose
Wed 6/3
6:37 pm-9:45 am
2 stops12h 08m
$262
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Fri 6/12
6:51 pm-11:39 pm
1 stop7h 48m
San Jose
Sat 9/19
12:45 pm-12:27 am
1 stop8h 42m
$298
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Fri 7/10
6:15 am-12:03 pm
1 stop8h 48m
San Jose
Thu 7/16
6:37 pm-9:45 am
2 stops12h 08m
$313
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Thu 8/20
4:05 pm-10:15 pm
1 stop9h 10m
San Jose
Sun 8/23
8:30 am-9:50 pm
1 stop10h 20m
$315
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Mon 7/20
12:50 pm-11:25 pm
1 stop13h 35m
San Jose
Thu 7/23
2:35 pm-12:40 am
1 stop7h 05m
$324
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Fri 6/12
6:51 pm-11:39 pm
1 stop7h 48m
San Jose
Sun 9/20
12:45 pm-12:27 am
1 stop8h 42m
$328
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Fri 6/5
4:45 pm-10:55 pm
1 stop9h 10m
San Jose
Mon 6/8
4:20 pm-10:50 am
2 stops15h 30m
$339
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Thu 5/28
4:06 pm-10:55 pm
1 stop9h 49m
San Jose
Mon 6/1
7:00 pm-6:10 am
1 stop8h 10m
$352
PhiladelphiaSan Jose
PHL - SJC
PHLSJC
Philadelphia
Mon 8/10
6:05 pm-11:20 pm
1 stop8h 15m
San Jose
Mon 8/17
9:40 am-10:15 pm
2 stops9h 35m
$354
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, January is the cheapest month in which you can book a flight from Philadelphia to San Francisco Bay Area (average of $178). Flying from Philadelphia to San Francisco Bay Area in October is currently the most expensive (average of $942). 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 May 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 May 22, 2026.
The most flights from PHL to zzXIH are scheduled on a Thursday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 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 May 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.
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$159 | Average$262 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$426 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$211 | Average$484 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$332 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$289 | Average$401 | FlexibilityNo cancel fee | On-time69% |