$97+ Cheap flights from St. Louis (STL) 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Jun 21 — Jun 281
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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 Lambert-St Louis to Fremont are usually found in October or August, booked 17 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from St. Louis to Fremont
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to FremontExplore the most affordable flight options available from St. Louis to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.
Explore the most affordable flight options available from St. Louis to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Tue 6/165:16 pm
SFO
- STL
2 stops24h 07m
Frontier
Deal found 5/19![Frontier logo]()
$299
This Frontier deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Fri 6/1210:10 pm
SFO
- STL
1 stop8h 42m
Frontier
Deal found 5/18![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:30 pm
STL
- SFO
1 stop9h 34m
Frontier
Tue 8/2510:06 pm
SFO
- STL
2 stops19h 17m
Frontier
Deal found 5/19![Frontier logo]()
$306
This Orbitz deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:19 pm
STL
- SFO
1 stop8h 32m
Multiple Airlines
Wed 10/217:05 am
SFO
- STL
2 stops14h 54m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$307
This Expedia deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:52 pm
STL
- SFO
1 stop7h 01m
Frontier
Thu 8/610:56 pm
SFO
- STL
1 stop13h 11m
Frontier
Deal found 5/18![Frontier logo]()
$308
This Frontier deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:11 pm
STL
- SFO
1 stop6h 25m
Frontier
Sat 7/412:24 am
SFO
- STL
1 stop12h 25m
Frontier
Deal found 5/17![Frontier logo]()
$309
This Frontier deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:19 pm
STL
- SFO
1 stop8h 32m
Frontier
Wed 10/216:00 am
SFO
- STL
1 stop11h 15m
Frontier
Deal found 5/22![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:03 pm
STL
- SFO
1 stop17h 22m
Frontier
Wed 8/1910:50 pm
SFO
- STL
1 stop18h 46m
Frontier
Deal found 5/21![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SFO
1 stop15h 48m
Frontier
Tue 6/1610:27 pm
SFO
- STL
2 stops18h 56m
Frontier
Deal found 5/19![Frontier logo]()
$314
This Super.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:11 pm
STL
- SFO
1 stop6h 25m
Frontier
Mon 7/66:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 5/18![Frontier logo]()
$315
This Super.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Mon 7/1310:56 pm
SFO
- STL
1 stop17h 09m
Frontier
Deal found 5/18![Frontier logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:08 pm
STL
- SFO
1 stop30h 10m
Frontier
Fri 7/1712:29 am
SFO
- STL
1 stop12h 27m
Frontier
Deal found 5/20![Frontier logo]()
$318
Best flights from St. Louis to FremontDiscover carefully curated flight deals from St. Louis to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 22, 2026.
Discover carefully curated flight deals from St. Louis to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 22, 2026.
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am
STL
- SFO
Nonstop4h 22m
United Airlines
Wed 10/2112:40 pm
SFO
- STL
Nonstop3h 58m
United Airlines
Deal found 5/21![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Tue 8/1810:30 pm
SFO
- STL
1 stop9h 35m
Southwest
Deal found 5/21![Southwest logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:16 am
STL
- SFO
2 stops9h 06m
Alaska Airlines
Wed 8/268:23 am
SFO
- STL
1 stop6h 47m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$548
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:12 pm
STL
- SFO
1 stop7h 33m
Delta
Wed 7/88:59 pm
SFO
- STL
2 stops11h 29m
Delta
Deal found 5/17![Delta logo]()
$551
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:42 am
STL
- SFO
Nonstop4h 22m
United Airlines
Thu 8/205:00 am
SFO
- STL
1 stop8h 38m
United Airlines
Deal found 5/21![United Airlines logo]()
$489
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:25 am
STL
- SFO
Nonstop4h 15m
Southwest
Tue 10/1311:40 am
SFO
- STL
Nonstop3h 50m
Southwest
Deal found 5/17![Southwest logo]()
$503
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:42 am
STL
- SFO
Nonstop4h 22m
United Airlines
Wed 8/1212:40 pm
SFO
- STL
Nonstop3h 59m
United Airlines
Deal found 5/20![United Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Sun 8/302:05 pm
SFO
- STL
1 stop7h 20m
Southwest
Deal found 5/19![Southwest logo]()
$526
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Fri 7/3112:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 5/21![United Airlines logo]()
$529
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:10 pm
STL
- SFO
2 stops9h 05m
Southwest
Wed 7/225:00 am
SFO
- STL
2 stops10h 45m
Southwest
Deal found 5/19![Southwest logo]()
$533
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:15 pm
STL
- SFO
Nonstop4h 10m
Southwest
Sat 10/36:50 am
SFO
- STL
1 stop7h 45m
Southwest
Deal found 5/17![Southwest logo]()
$539
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:10 am
STL
- SFO
1 stop6h 08m
United Airlines
Mon 7/1312:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 5/18![United Airlines logo]()
$539
Last-minute flights from St. Louis to FremontDiscover last-minute flight deals from St. Louis to Fremont. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fremont. Data last updated May 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:30 pm
STL
- SFO
1 stop9h 34m
Frontier
Tue 8/2510:06 pm
SFO
- STL
2 stops19h 17m
Frontier
Deal found 5/19![Frontier logo]()
$306
This Frontier deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Fri 6/1210:10 pm
SFO
- STL
1 stop8h 42m
Frontier
Deal found 5/18![Frontier logo]()
$304
This Orbitz deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SFO
1 stop21h 13m
Frontier
Tue 6/1610:58 pm
SFO
- STL
1 stop17h 53m
Frontier
Deal found 5/20![Frontier logo]()
$310
This Booking.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SFO
1 stop23h 33m
Frontier
Wed 6/1710:58 pm
SFO
- STL
1 stop13h 08m
Frontier
Deal found 5/19![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:08 pm
STL
- SFO
1 stop6h 19m
Frontier
Sat 6/136:00 am
SFO
- STL
1 stop10h 53m
Frontier
Deal found 5/20![Frontier logo]()
$324
This Expedia deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SFO
1 stop15h 48m
Frontier
Mon 6/158:45 pm
SFO
- STL
1 stop20h 06m
Frontier
Deal found 5/20![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Tue 6/165:16 pm
SFO
- STL
2 stops24h 07m
Frontier
Deal found 5/19![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/152:56 pm
STL
- SFO
1 stop21h 32m
Frontier
Mon 6/2210:58 pm
SFO
- STL
2 stops42h 25m
Frontier
Deal found 5/18![Frontier logo]()
$337
This Expedia deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:46 pm
STL
- SFO
1 stop20h 30m
Frontier
Fri 6/1910:58 pm
SFO
- STL
1 stop13h 08m
Frontier
Deal found 5/18![Frontier logo]()
$339
This Orbitz deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/252:56 pm
STL
- SFO
1 stop25h 20m
Frontier
Tue 6/3010:58 pm
SFO
- STL
1 stop17h 53m
Frontier
Deal found 5/21![Frontier logo]()
$338
One-way flights from St. Louis to FremontSearch for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
Search for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:32 pm
STL
- SFO
1 stop8h 18m
Frontier
Deal found 5/21![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:08 pm
STL
- SFO
1 stop6h 19m
Frontier
Deal found 5/18![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Deal found 5/17![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SFO
1 stop21h 13m
Frontier
Deal found 5/18![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:03 pm
STL
- SFO
1 stop17h 22m
Frontier
Deal found 5/18![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Deal found 5/17![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Deal found 5/17![Frontier logo]()
$149
This Super.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:34 pm
STL
- SFO
1 stop9h 20m
Frontier
Deal found 5/18![Frontier logo]()
$150
Find flight deals from St. Louis to Fremont
Keep the following information in mind while searching for St. Louis to Fremont flight deals. Data was last updated May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (Kiwi.com) |
One-way from | $97 |
Popular in | March |
Cheapest in | October |
Average price | $505 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 May 22, 2026.
Use the filters below to find and compare flights from St. Louis to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 10/14
7:00 am-9:22 am
Nonstop4h 22m
San Francisco
Wed 10/21
12:40 pm-6:38 pm
Nonstop3h 58m
$383
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 8/11
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Tue 8/18
10:30 pm-10:05 am
1 stop9h 35m
$442
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 8/13
8:42 am-11:04 am
Nonstop4h 22m
San Francisco
Thu 8/20
5:00 am-3:38 pm
1 stop8h 38m
$489
Quickest round-trip
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 10/6
8:25 am-10:40 am
Nonstop4h 15m
San Francisco
Tue 10/13
11:40 am-5:30 pm
Nonstop3h 50m
$503
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 8/11
8:42 am-11:04 am
Nonstop4h 22m
San Francisco
Wed 8/12
12:40 pm-6:39 pm
Nonstop3h 59m
$503
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 8/26
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Sun 8/30
2:05 pm-11:25 pm
1 stop7h 20m
$526
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 7/24
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Fri 7/31
12:12 pm-6:17 pm
Nonstop4h 05m
$529
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 7/8
3:10 pm-10:15 pm
2 stops9h 05m
San Francisco
Wed 7/22
5:00 am-5:45 pm
2 stops10h 45m
$533
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Sat 9/26
2:15 pm-4:25 pm
Nonstop4h 10m
San Francisco
Sat 10/3
6:50 am-4:35 pm
1 stop7h 45m
$539
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 7/10
5:10 am-9:18 am
1 stop6h 08m
San Francisco
Mon 7/13
12:12 pm-6:17 pm
Nonstop4h 05m
$539
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Fremont
Have a flexible travel schedule? Discover the best time to fly to Fremont from St. Louis with our price prediction graph.
STL-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 St. Louis to Fremont
STL-FR8
STL-SFO
What is the cheapest time of day to fly from STL to FR8?
Find hourly flight availability from St. Louis 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 May 22, 2026.
When flying from St. Louis to Fremont, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 46% versus a flight in the evening.
Weekly flight availability from St. Louis to Fremont
Explore weekly flight availability from St. Louis 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 May 22, 2026.
The most flights from STL to FR8 are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from St. Louis to Fremont?
What is the cheapest day to fly from St. Louis to Fremont?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Fremont. Price data was last updated on August 31, 2025.
Travelers seeking maximum savings on their St. Louis to Fremont flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 May 22, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from St. Louis to Fremont. 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.
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
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 St. Louis 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 St. Louis 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 St. Louis to Fremont by cabin class
Find flights from St. Louis to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Fremont flights
Browse other St. Louis and Fremont flight options. Last updated on May 22, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Fremont flights
Consider these flights traveling from St. Louis to Fremont.
Top 5 airlines flying from St. Louis to Fremont
Discover the top 5 airlines that operate flights from St. Louis 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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$447 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$475 | FlexibilityNo cancel fee | On-time63% |