$161+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
May 28 — Jun 41
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 July, booked 83 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Philadelphia to San Francisco
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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 April 28, 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 April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/117:00 am
PHL
- SFO
2 stops12h 30m
Frontier
Mon 5/1111:59 pm
SFO
- PHL
1 stop11h 31m
Frontier
Deal found 4/23![Frontier logo]()
$330
This Expedia deal was found by Cheapflights users on 4/23. 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 5/146:30 am
PHL
- SFO
1 stop16h 04m
Frontier
Mon 5/1811:59 pm
SFO
- PHL
1 stop11h 31m
Frontier
Deal found 4/23![Frontier logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 5/298:35 pm
PHL
- SFO
1 stop14h 26m
Frontier
Wed 6/1710:58 pm
SFO
- PHL
2 stops47h 19m
Frontier
Deal found 4/27![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:47 pm
PHL
- SFO
2 stops33h 17m
Frontier
Sat 5/166:00 am
SFO
- PHL
1 stop20h 37m
Frontier
Deal found 4/24![Frontier logo]()
$333
This Expedia deal was found by Cheapflights users on 4/27. 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 5/226:30 am
PHL
- SFO
1 stop16h 04m
Frontier
Sun 5/313:33 pm
SFO
- PHL
1 stop11h 48m
Frontier
Deal found 4/27![Frontier logo]()
$334
This Frontier deal was found by Cheapflights users on 4/24. 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 5/197:48 am
PHL
- SFO
1 stop14h 46m
Frontier
Wed 5/2711:36 am
SFO
- PHL
1 stop14h 34m
Frontier
Deal found 4/24![Frontier logo]()
$335
This Frontier deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:40 am
PHL
- SFO
1 stop9h 01m
Frontier
Wed 6/310:10 pm
SFO
- PHL
1 stop11h 15m
Frontier
Deal found 4/26![Frontier logo]()
$336
This Flightnetwork deal was found by Cheapflights users on 4/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:41 pm
PHL
- SFO
1 stop15h 32m
Frontier
Fri 5/86:00 am
SFO
- PHL
1 stop20h 37m
Frontier
Deal found 4/26![Frontier logo]()
$337
This CheapOair deal was found by Cheapflights users on 4/23. 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 7/111:06 am
PHL
- SFO
1 stop24h 45m
Frontier
Sun 7/59:39 pm
SFO
- PHL
1 stop29h 00m
Frontier
Deal found 4/23![Frontier logo]()
$338
This Frontier deal was found by Cheapflights users on 4/27. 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 5/248:35 pm
PHL
- SFO
1 stop14h 26m
Frontier
Fri 5/2912:52 pm
SFO
- PHL
1 stop13h 45m
Frontier
Deal found 4/27![Frontier logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/88:35 pm
PHL
- SFO
1 stop30h 48m
Frontier
Wed 5/1312:52 pm
SFO
- PHL
2 stops32h 53m
Frontier
Deal found 4/23![Frontier logo]()
$340
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 April 28, 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 April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 7/206:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Mon 7/2711:20 pm
SFO
- PHL
Nonstop5h 30m
United Airlines
Deal found 4/27![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/27. 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 7/94:45 pm
PHL
- SFO
1 stop9h 40m
Southwest
Mon 7/1312:00 pm
SFO
- PHL
2 stops9h 40m
Southwest
Deal found 4/27![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 4/24. 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 6/49:25 am
PHL
- SFO
Nonstop6h 09m
United Airlines
Sun 6/1410:38 pm
SFO
- PHL
1 stop8h 01m
United Airlines
Deal found 4/24![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/276:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Sat 5/306:56 pm
SFO
- PHL
1 stop7h 35m
United Airlines
Deal found 4/26![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/286:00 am
PHL
- SFO
1 stop8h 44m
United Airlines
Sun 5/314:48 pm
SFO
- PHL
Nonstop5h 41m
United Airlines
Deal found 4/27![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 4/25. 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 5/2812:20 pm
PHL
- SFO
2 stops9h 15m
Southwest
Sun 5/3111:25 pm
SFO
- PHL
1 stop8h 10m
Southwest
Deal found 4/25![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 4/26. 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 5/237:45 am
PHL
- SFO
2 stops11h 25m
Southwest
Mon 6/111:10 am
SFO
- PHL
2 stops10h 25m
Southwest
Deal found 4/26![Southwest logo]()
$468
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Sun 7/196:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Sat 8/111:20 pm
SFO
- PHL
Nonstop5h 30m
United Airlines
Deal found 4/27![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 4/24. 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 6/256:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Thu 7/95:30 pm
SFO
- PHL
1 stop9h 01m
United Airlines
Deal found 4/24![United Airlines logo]()
$465
This United Airlines deal was found by Cheapflights users on 4/27. 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 7/86:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Fri 7/175:30 pm
SFO
- PHL
1 stop9h 01m
United Airlines
Deal found 4/27![United Airlines logo]()
$465
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 5/256:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Fri 6/56:56 pm
SFO
- PHL
1 stop7h 35m
United Airlines
Deal found 4/27![United Airlines logo]()
$469
Last-minute flights from Philadelphia to San FranciscoDiscover last-minute flight deals from Philadelphia to San Francisco. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Francisco. Data last updated April 28, 2026 and is based on user searches.
This Flightnetwork deal was found by Cheapflights users on 4/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:41 pm
PHL
- SFO
1 stop15h 32m
Frontier
Fri 5/86:00 am
SFO
- PHL
1 stop20h 37m
Frontier
Deal found 4/26![Frontier logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/88:35 pm
PHL
- SFO
1 stop30h 48m
Frontier
Wed 5/1312:52 pm
SFO
- PHL
2 stops32h 53m
Frontier
Deal found 4/23![Frontier logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/117:00 am
PHL
- SFO
2 stops12h 30m
Frontier
Mon 5/1111:59 pm
SFO
- PHL
1 stop11h 31m
Frontier
Deal found 4/23![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:47 pm
PHL
- SFO
2 stops33h 17m
Frontier
Sat 5/166:00 am
SFO
- PHL
1 stop20h 37m
Frontier
Deal found 4/24![Frontier logo]()
$333
This Expedia deal was found by Cheapflights users on 4/23. 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 5/146:30 am
PHL
- SFO
1 stop16h 04m
Frontier
Mon 5/1811:59 pm
SFO
- PHL
1 stop11h 31m
Frontier
Deal found 4/23![Frontier logo]()
$331
This Super.com deal was found by Cheapflights users on 4/24. 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 5/141:32 pm
PHL
- SFO
1 stop9h 02m
Frontier
Sun 5/176:00 am
SFO
- PHL
1 stop20h 37m
Frontier
Deal found 4/24![Frontier logo]()
$338
This Frontier deal was found by Cheapflights users on 4/24. 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 5/197:48 am
PHL
- SFO
1 stop14h 46m
Frontier
Wed 5/2711:36 am
SFO
- PHL
1 stop14h 34m
Frontier
Deal found 4/24![Frontier logo]()
$335
This Expedia deal was found by Cheapflights users on 4/27. 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 5/226:30 am
PHL
- SFO
1 stop16h 04m
Frontier
Sun 5/313:33 pm
SFO
- PHL
1 stop11h 48m
Frontier
Deal found 4/27![Frontier logo]()
$334
This Frontier deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:40 am
PHL
- SFO
1 stop9h 01m
Frontier
Wed 6/310:10 pm
SFO
- PHL
1 stop11h 15m
Frontier
Deal found 4/26![Frontier logo]()
$336
This Frontier deal was found by Cheapflights users on 4/27. 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 5/248:35 pm
PHL
- SFO
1 stop14h 26m
Frontier
Fri 5/2912:52 pm
SFO
- PHL
1 stop13h 45m
Frontier
Deal found 4/27![Frontier logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 5/298:35 pm
PHL
- SFO
1 stop14h 26m
Frontier
Fri 6/196:00 am
SFO
- PHL
2 stops40h 17m
Frontier
Deal found 4/27![Frontier logo]()
$332
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 April 28, 2026.
Search for one-way flight options from Philadelphia to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Frontier deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:11 pm
PHL
- SFO
1 stop12h 53m
Frontier
Deal found 4/26![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Sat 5/306:10 am
PHL
- SFO
2 stops13h 20m
Frontier
Deal found 4/23![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:32 pm
PHL
- SFO
2 stops18h 19m
Frontier
Deal found 4/28![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/116:43 pm
PHL
- SFO
2 stops18h 58m
Frontier
Deal found 4/27![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/235:32 pm
PHL
- SFO
2 stops33h 55m
Frontier
Deal found 4/28![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:32 pm
PHL
- SFO
2 stops18h 19m
Frontier
Deal found 4/26![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/18:35 pm
PHL
- SFO
2 stops26h 01m
Frontier
Deal found 4/26![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sat 5/238:35 pm
PHL
- SFO
2 stops24h 22m
Frontier
Deal found 4/25![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/18:44 pm
PHL
- SFO
3 stops40h 46m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/188:35 pm
PHL
- SFO
2 stops50h 08m
Frontier
Deal found 4/25![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 6/45:45 am
PHL
- SFO
2 stops45h 38m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 7/129:03 pm
PHL
- SFO
2 stops49h 50m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$172
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $330 (Kiwi.com) |
One-way from | $161 (Frontier) |
Popular in | November |
Cheapest in | September |
Average price | $409 |
Good round-trip deal | $415 or less |
Good one-way deal | $293 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 April 28, 2026.
Use the filters below to find and compare flights from Philadelphia to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Mon 7/20
6:00 am-8:58 am
Nonstop5h 58m
San Francisco
Mon 7/27
11:20 pm-7:50 am
Nonstop5h 30m
$349
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 6/4
9:25 am-12:34 pm
Nonstop6h 09m
San Francisco
Sun 6/14
10:38 pm-9:39 am
1 stop8h 01m
$359
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Wed 5/27
6:00 am-8:58 am
Nonstop5h 58m
San Francisco
Sat 5/30
6:56 pm-5:31 am
1 stop7h 35m
$359
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 5/28
6:00 am-11:44 am
1 stop8h 44m
San Francisco
Sun 5/31
4:48 pm-1:29 am
Nonstop5h 41m
$359
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 7/9
4:45 pm-11:25 pm
1 stop9h 40m
San Francisco
Mon 7/13
12:00 pm-12:40 am
2 stops9h 40m
$398
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 5/28
12:20 pm-6:35 pm
2 stops9h 15m
San Francisco
Sun 5/31
11:25 pm-10:35 am
1 stop8h 10m
$438
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sun 7/19
6:00 am-8:58 am
Nonstop5h 58m
San Francisco
Sat 8/1
11:20 pm-7:50 am
Nonstop5h 30m
$459
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 6/25
6:00 am-8:58 am
Nonstop5h 58m
San Francisco
Thu 7/9
5:30 pm-5:31 am
1 stop9h 01m
$465
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Wed 7/8
6:00 am-8:58 am
Nonstop5h 58m
San Francisco
Fri 7/17
5:30 pm-5:31 am
1 stop9h 01m
$465
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sat 5/23
7:45 am-4:10 pm
2 stops11h 25m
San Francisco
Mon 6/1
11:10 am-12:35 am
2 stops10h 25m
$468
Showing 1-10 of 21 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 April.
| 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 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 $349). Flying from Philadelphia to San Francisco in November is currently the most expensive (average of $450). 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 April 28, 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 April 28, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andJetBlue 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.
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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 Cruz
Santa Clara
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Emeryville
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove
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Philadelphia and San Francisco flights
Browse other Philadelphia and San Francisco flight options. Last updated on April 28, 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 April 28, 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 April 28, 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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$458 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$246 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$276 | Average$365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$289 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$289 | Average$412 | FlexibilityNo cancel fee | On-time71% |