$204+ Cheap flights from Philadelphia (PHL) to Fremont, CA
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Oct 17 — Oct 241
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 April or October, 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 September 17, 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 September 17, 2026.
This Expedia deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:44 pm -
1 stop14h 29m
Sun 10/2510:19 pm -
1 stop29h 59m
Deal found 9/12![Frontier logo]()
$300
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:30 am -
1 stop12h 25m
Mon 11/211:52 pm -
1 stop11h 21m
Deal found 9/14![Frontier logo]()
$354
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:25 am -
2 stops11h 55m
Wed 10/2811:05 am -
2 stops9h 30m
Deal found 9/14![Southwest logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:20 pm -
2 stops17h 53m
Tue 10/207:11 pm -
1 stop9h 07m
Deal found 9/12![Frontier logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:22 pm -
2 stops17h 51m
Thu 10/1511:59 pm -
1 stop11h 22m
Deal found 9/14![Frontier logo]()
$358
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:40 pm -
1 stop10h 08m
Sat 10/107:11 pm -
1 stop9h 07m
Deal found 9/14![Frontier logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:39 am -
1 stop12h 31m
Sun 11/811:52 pm -
1 stop11h 21m
Deal found 9/16![Frontier logo]()
$360
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:22 pm -
2 stops17h 51m
Mon 10/2611:59 pm -
2 stops15h 20m
Deal found 9/16![Frontier logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:40 pm -
1 stop10h 28m
Wed 10/711:53 am -
2 stops16h 18m
Deal found 9/16![Frontier logo]()
$362
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:44 pm -
1 stop24h 41m
Mon 10/127:13 pm -
1 stop27h 03m
Deal found 9/15![Frontier logo]()
$363
This Orbitz deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:45 pm -
1 stop11h 04m
Mon 12/74:44 pm -
1 stop9h 43m
Deal found 9/12![Multiple Airlines logo]()
$364
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:30 am -
1 stop12h 25m
Sat 10/103:32 pm -
2 stops11h 09m
Deal found 9/16![Multiple Airlines logo]()
$365
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 September 17, 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 September 17, 2026.
This JetBlue deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:30 am -
1 stop9h 03m
Tue 12/87:30 am -
1 stop8h 13m
Deal found 9/13![JetBlue logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:21 pm -
Nonstop6h 22m
Thu 11/2611:20 pm -
Nonstop5h 19m
Deal found 9/16![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:49 pm -
1 stop18h 52m
Mon 11/166:47 pm -
2 stops18h 58m
Deal found 9/15![Alaska Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:11 pm -
1 stop7h 46m
Sat 11/215:53 pm -
1 stop8h 50m
Deal found 9/12![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
2 stops11h 05m
Mon 11/239:00 pm -
2 stops10h 25m
Deal found 9/16![Southwest logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:49 pm -
2 stops20h 24m
Mon 11/1612:13 pm -
1 stop14h 19m
Deal found 9/14![Alaska Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:19 pm -
1 stop9h 36m
Wed 1/2011:35 am -
1 stop8h 27m
Deal found 9/16![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
2 stops9h 45m
Sat 10/176:05 am -
2 stops10h 15m
Deal found 9/13![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:05 am -
1 stop8h 39m
Sun 10/1811:20 pm -
Nonstop5h 29m
Deal found 9/13![United Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
1 stop11h 56m
Wed 10/72:04 pm -
2 stops12h 37m
Deal found 9/15![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:15 am -
1 stop8h 07m
Fri 1/156:15 am -
1 stop9h 00m
Deal found 9/14![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:20 am -
1 stop7h 25m
Sat 10/105:00 am -
2 stops11h 20m
Deal found 9/13![Southwest logo]()
$448
Last-minute flights from Philadelphia to FremontDiscover last-minute flight deals from Philadelphia to Fremont. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Fremont. Data last updated September 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:40 pm -
1 stop10h 28m
Wed 10/711:53 am -
2 stops16h 18m
Deal found 9/16![Frontier logo]()
$362
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:40 pm -
1 stop10h 08m
Sat 10/107:11 pm -
1 stop9h 07m
Deal found 9/14![Frontier logo]()
$359
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:40 pm -
1 stop10h 28m
Thu 10/810:19 pm -
1 stop29h 59m
Deal found 9/15![Frontier logo]()
$364
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:30 am -
1 stop12h 25m
Sat 10/103:32 pm -
2 stops11h 09m
Deal found 9/16![Multiple Airlines logo]()
$365
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:44 pm -
1 stop24h 41m
Mon 10/127:13 pm -
1 stop27h 03m
Deal found 9/15![Frontier logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:22 pm -
2 stops17h 51m
Thu 10/1511:59 pm -
1 stop11h 22m
Deal found 9/14![Frontier logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:20 pm -
2 stops17h 53m
Tue 10/207:11 pm -
1 stop9h 07m
Deal found 9/12![Frontier logo]()
$357
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:22 pm -
2 stops17h 51m
Mon 10/2611:59 pm -
2 stops15h 20m
Deal found 9/16![Frontier logo]()
$361
This Expedia deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:44 pm -
1 stop14h 29m
Sun 10/2510:19 pm -
1 stop29h 59m
Deal found 9/12![Frontier logo]()
$300
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:30 am -
1 stop12h 25m
Mon 11/211:52 pm -
1 stop11h 21m
Deal found 9/14![Frontier logo]()
$354
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:25 am -
2 stops11h 55m
Wed 10/2811:05 am -
2 stops9h 30m
Deal found 9/14![Southwest logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:39 am -
1 stop12h 31m
Sun 11/811:52 pm -
1 stop11h 21m
Deal found 9/16![Frontier logo]()
$360
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 September 17, 2026.
Search for one-way flight options from Philadelphia to Fremont. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:36 pm -
1 stop11h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$204
This Super.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:40 pm -
1 stop10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:50 am -
2 stops17h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$208
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:30 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![JetBlue logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:40 am -
2 stops20h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$211
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:41 pm -
1 stop15h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:10 am -
2 stops17h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$213
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:20 am -
2 stops10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:48 pm -
2 stops26h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$218
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $300 (Expedia) |
One-way from | $204 (Frontier) |
Popular in | June |
Cheapest in | April |
Average price | $435 |
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 7,457,451 searches. Data last updated September 17, 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 Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Mon 10/5
1:55 pm-11:19 pm
1 stop12h 24m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$210
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Thu 10/15
5:15 pm-12:40 am
2 stops10h 25m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Tue 11/24
6:21 pm-9:43 pm
Nonstop6h 22m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Mon 11/23
6:21 pm-9:43 pm
Nonstop6h 22m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Sun 10/25
6:00 am-9:22 am
Nonstop6h 22m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Wed 10/21
7:02 am-4:47 pm
2 stops12h 45m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$267
Quickest round-trip
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Thu 10/1
6:30 pm-9:33 pm
Nonstop6h 03m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$269
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Sun 10/11
5:20 am-12:30 pm
2 stops10h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Thu 10/22
7:02 am-4:47 pm
2 stops12h 45m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$287
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Wed 10/7
7:02 am-8:55 pm
2 stops16h 53m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$288
Showing 1-10 of 24 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
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 September 17, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 57% on flights from Philadelphia to Fremont by exploring options for tickets in the evening.
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 September 17, 2026.
The most flights from PHL to FR8 are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Philadelphia to Fremont?
Airfare is below average for this route at the moment.
Philadelphia to Fremont flights typically cost between $359 and $514 in October.The cheapest round-trip price found within the last 5 days was $300 on Frontier (Oct 22-Oct 25).
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 September 17, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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.
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Related info for your journey
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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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$291 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$241 | Average$455 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$250 | Average$409 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$271 | Average$348 | FlexibilityNo cancel fee | On-time62% |