$148+ Cheap flights from Philadelphia (PHL) to Fremont, CA
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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Fremont 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 Fremont 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 Fremont
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to FremontExplore the most affordable flight options available from Philadelphia to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Philadelphia to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 8/229:16 pm
PHL
- SFO
1 stop16h 13m
Frontier
Sun 8/238:51 pm
SFO
- PHL
1 stop11h 45m
Frontier
Deal found 4/5![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 4/228:00 am
PHL
- SFO
1 stop8h 52m
Frontier
Sat 4/256:00 am
SFO
- PHL
1 stop20h 35m
Frontier
Deal found 4/9![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/108:35 pm
PHL
- SFO
1 stop18h 12m
Multiple Airlines
Tue 5/1911:59 pm
SFO
- PHL
2 stops20h 30m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/268:35 pm
PHL
- SFO
1 stop14h 26m
Frontier
Sun 5/315:09 pm
SFO
- PHL
2 stops16h 35m
Frontier
Deal found 4/7![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/158:35 pm
PHL
- SFO
2 stops24h 27m
Frontier
Tue 5/196:00 am
SFO
- PHL
1 stop20h 37m
Frontier
Deal found 4/6![Frontier logo]()
$294
This Frontier deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/99:20 am
PHL
- SFO
1 stop12h 59m
Frontier
Mon 4/1310:03 pm
SFO
- PHL
1 stop11h 49m
Frontier
Deal found 4/6![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/37:00 am
PHL
- SFO
1 stop13h 34m
Multiple Airlines
Sun 5/105:25 pm
SFO
- PHL
2 stops33h 12m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 4/288:00 am
PHL
- SFO
2 stops16h 39m
Frontier
Wed 5/612:52 pm
SFO
- PHL
1 stop13h 45m
Frontier
Deal found 4/8![Frontier logo]()
$298
This Orbitz deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:18 pm
PHL
- SFO
1 stop10h 01m
Frontier
Sun 4/129:00 pm
SFO
- PHL
1 stop29h 31m
Frontier
Deal found 4/5![Frontier logo]()
$299
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 4/246:43 am
PHL
- SFO
1 stop8h 39m
Frontier
Wed 4/292:47 pm
SFO
- PHL
1 stop11h 26m
Frontier
Deal found 4/5![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 8/1212:54 pm
PHL
- SFO
1 stop24h 35m
Frontier
Sun 8/168:51 pm
SFO
- PHL
1 stop23h 52m
Frontier
Deal found 4/8![Frontier logo]()
$301
Best flights from Philadelphia to FremontDiscover carefully curated flight deals from Philadelphia to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Philadelphia to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/16:06 pm
PHL
- SFO
Nonstop6h 18m
United Airlines
Sun 5/311:20 pm
SFO
- PHL
Nonstop5h 40m
United Airlines
Deal found 4/5![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/139:10 am
PHL
- SFO
1 stop14h 45m
Southwest
Fri 5/152:25 pm
SFO
- PHL
1 stop7h 10m
Southwest
Deal found 4/8![Southwest logo]()
$384
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 5/147:45 pm
PHL
- SFO
1 stop8h 31m
United Airlines
Sun 5/1711:20 pm
SFO
- PHL
Nonstop5h 40m
United Airlines
Deal found 4/10![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/294:00 pm
PHL
- SFO
2 stops10h 15m
Southwest
Fri 5/111:10 am
SFO
- PHL
2 stops10h 25m
Southwest
Deal found 4/7![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/95:35 am
PHL
- SFO
2 stops10h 00m
Southwest
Wed 5/138:55 am
SFO
- PHL
2 stops10h 05m
Southwest
Deal found 4/9![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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
Sun 5/314:48 pm
SFO
- PHL
Nonstop5h 41m
United Airlines
Deal found 4/7![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
Tue 5/266:00 am
PHL
- SFO
Nonstop5h 58m
United Airlines
Sun 5/314:48 pm
SFO
- PHL
Nonstop5h 41m
United Airlines
Deal found 4/7![United Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 6/169:35 am
PHL
- SFO
2 stops15h 40m
Southwest
Wed 6/1710:30 am
SFO
- PHL
2 stops11h 30m
Southwest
Deal found 4/5![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 5/217:55 am
PHL
- SFO
2 stops10h 30m
Southwest
Sun 5/245:30 am
SFO
- PHL
1 stop7h 15m
Southwest
Deal found 4/10![Southwest logo]()
$443
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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
Tue 7/148:38 am
SFO
- PHL
Nonstop5h 39m
United Airlines
Deal found 4/10![United Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 4/2312:45 pm
PHL
- SFO
2 stops10h 15m
Southwest
Sat 5/210:00 am
SFO
- PHL
2 stops10h 00m
Southwest
Deal found 4/5![Southwest logo]()
$444
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/255:00 am
PHL
- SFO
2 stops9h 20m
Southwest
Mon 6/2912:00 pm
SFO
- PHL
2 stops9h 40m
Southwest
Deal found 4/9![Southwest logo]()
$457
Last-minute flights from Philadelphia to FremontDiscover last-minute flight deals from Philadelphia to Fremont. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Fremont. Data last updated April 10, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/99:20 am
PHL
- SFO
1 stop12h 59m
Frontier
Mon 4/1310:03 pm
SFO
- PHL
1 stop11h 49m
Frontier
Deal found 4/6![Frontier logo]()
$295
This Orbitz deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:18 pm
PHL
- SFO
1 stop10h 01m
Frontier
Sun 4/129:00 pm
SFO
- PHL
1 stop29h 31m
Frontier
Deal found 4/5![Frontier logo]()
$299
This Expedia deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:25 pm
PHL
- SFO
1 stop30h 00m
Frontier
Sat 4/186:00 am
SFO
- PHL
1 stop20h 35m
Frontier
Deal found 4/9![Frontier logo]()
$301
This CheapOair deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 4/228:00 am
PHL
- SFO
1 stop8h 52m
Frontier
Sat 4/256:00 am
SFO
- PHL
1 stop20h 35m
Frontier
Deal found 4/9![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 4/246:43 am
PHL
- SFO
1 stop8h 39m
Frontier
Wed 4/292:47 pm
SFO
- PHL
1 stop11h 26m
Frontier
Deal found 4/5![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 4/288:00 am
PHL
- SFO
2 stops16h 39m
Frontier
Wed 5/612:52 pm
SFO
- PHL
1 stop13h 45m
Frontier
Deal found 4/8![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/37:00 am
PHL
- SFO
1 stop13h 34m
Multiple Airlines
Sun 5/105:25 pm
SFO
- PHL
2 stops33h 12m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/108:35 pm
PHL
- SFO
1 stop18h 12m
Multiple Airlines
Tue 5/1911:59 pm
SFO
- PHL
2 stops20h 30m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/158:35 pm
PHL
- SFO
2 stops24h 27m
Frontier
Tue 5/196:00 am
SFO
- PHL
1 stop20h 37m
Frontier
Deal found 4/6![Frontier logo]()
$294
This Expedia deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/198:35 pm
PHL
- SFO
1 stop30h 48m
Frontier
Thu 5/283:33 pm
SFO
- PHL
1 stop11h 48m
Frontier
Deal found 4/8![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/268:35 pm
PHL
- SFO
1 stop14h 26m
Frontier
Sun 5/315:09 pm
SFO
- PHL
2 stops16h 35m
Frontier
Deal found 4/7![Frontier logo]()
$293
One-way flights from Philadelphia to FremontSearch for one-way flight options from Philadelphia to Fremont. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Philadelphia to Fremont. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Super.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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.
Tue 5/198:35 pm
PHL
- SFO
1 stop30h 48m
Frontier
Deal found 4/9![Frontier logo]()
$148
This Super.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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.
Fri 5/158:35 pm
PHL
- SFO
1 stop30h 48m
Frontier
Deal found 4/9![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 6/86:43 pm
PHL
- SFO
2 stops18h 45m
Frontier
Deal found 4/10![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 5/149:05 pm
PHL
- SFO
2 stops38h 25m
Frontier
Deal found 4/10![Frontier logo]()
$152
This Super.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 4/233:41 pm
PHL
- SFO
1 stop9h 50m
Frontier
Deal found 4/9![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 6/15:32 pm
PHL
- SFO
2 stops29h 02m
Frontier
Deal found 4/10![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 7/46:30 am
PHL
- SFO
2 stops20h 52m
Frontier
Deal found 4/6![Frontier logo]()
$157
This Super.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 4/268:36 pm
PHL
- SFO
1 stop30h 51m
Frontier
Deal found 4/8![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 6/212:00 pm
PHL
- SFO
2 stops26h 47m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/91:11 pm
PHL
- SFO
2 stops25h 36m
Frontier
Deal found 4/9![Frontier logo]()
$161
Find flight deals from Philadelphia to Fremont
Keep the following information in mind while searching for Philadelphia to Fremont flight deals. Data was last updated April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $290 (Frontier) |
One-way from | $148 (Super.com) |
Popular in | November |
Cheapest in | September |
Average price | $395 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Fremont 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 10, 2026.
Use the filters below to find and compare flights from Philadelphia to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Fri 5/1
6:06 pm-9:24 pm
Nonstop6h 18m
San Francisco
Sun 5/3
11:20 pm-8:00 am
Nonstop5h 40m
$349
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 5/14
7:45 pm-1:16 am
1 stop8h 31m
San Francisco
Sun 5/17
11:20 pm-8:00 am
Nonstop5h 40m
$359
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Wed 5/13
9:10 am-8:55 pm
1 stop14h 45m
San Francisco
Fri 5/15
2:25 pm-12:35 am
1 stop7h 10m
$384
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Wed 4/29
4:00 pm-11:15 pm
2 stops10h 15m
San Francisco
Fri 5/1
11:10 am-12:35 am
2 stops10h 25m
$403
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sat 5/9
5:35 am-12:35 pm
2 stops10h 00m
San Francisco
Wed 5/13
8:55 am-10:00 pm
2 stops10h 05m
$403
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Wed 5/27
6:00 am-8:58 am
Nonstop5h 58m
San Francisco
Sun 5/31
4:48 pm-1:29 am
Nonstop5h 41m
$405
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Tue 5/26
6:00 am-8:58 am
Nonstop5h 58m
San Francisco
Sun 5/31
4:48 pm-1:29 am
Nonstop5h 41m
$405
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Tue 6/16
9:35 am-10:15 pm
2 stops15h 40m
San Francisco
Wed 6/17
10:30 am-1:00 am
2 stops11h 30m
$425
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 5/21
7:55 am-3:25 pm
2 stops10h 30m
San Francisco
Sun 5/24
5:30 am-3:45 pm
1 stop7h 15m
$443
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 4/23
12:45 pm-8:00 pm
2 stops10h 15m
San Francisco
Sat 5/2
10:00 am-11:00 pm
2 stops10h 00m
$444
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to Fremont
Have a flexible travel schedule? Discover the best time to fly to Fremont 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 Fremont
PHL-FR8
PHL-SFO
How far ahead should I book a flight from Philadelphia to Fremont?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Fremont. Price data was last updated on April 3, 2026.
Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Fremont. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Philadelphia to Fremont?
Currently, December is the cheapest month in which you can book a flight from Philadelphia to Fremont (average of $113). Flying from Philadelphia to Fremont in March is currently the most expensive (average of $210). 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 FR8?
Find hourly flight availability from Philadelphia to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Fremont as you normally would.
Weekly flight availability from Philadelphia to Fremont
Explore weekly flight availability from Philadelphia to Fremont. 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 April 10, 2026.
The most flights from PHL to FR8 are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Philadelphia to Fremont?
Reviews of airlines servicing Fremont
Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated April 10, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Philadelphia to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
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 Fremont. 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 Fremont
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Complete your trip
Complete your trip to Fremont by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Fremont by cabin class
Find flights from Philadelphia to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Fremont flights
Browse other Philadelphia and Fremont flight options. Last updated on April 10, 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 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Fremont flights
Consider these flights traveling from Philadelphia to Fremont.
Top 6 airlines flying from Philadelphia to Fremont
Discover the top 6 airlines that operate flights from Philadelphia to Fremont. 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$154 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$422 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$211 | Average$379 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$292 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$289 | Average$447 | FlexibilityNo cancel fee | On-time69% |