$107+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Jul 20 — Jul 271
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 August or October, booked 13 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 June 20, 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 June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:21 pm
STL
- SFO
1 stop14h 25m
Frontier
Sun 8/237:12 pm
SFO
- STL
2 stops22h 24m
Frontier
Deal found 6/15![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Wed 8/510:07 pm
SFO
- STL
1 stop18h 08m
Frontier
Deal found 6/15![Frontier logo]()
$308
This Expedia deal was found by Cheapflights users on 6/16. 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.
Tue 7/77:03 pm
STL
- SFO
1 stop17h 27m
Frontier
Wed 7/84:30 pm
SFO
- STL
1 stop23h 45m
Frontier
Deal found 6/16![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 6/18. 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.
Tue 8/118:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Mon 8/176:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/18![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.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
Tue 7/284:30 pm
SFO
- STL
1 stop23h 35m
Frontier
Deal found 6/15![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:03 pm
STL
- SFO
1 stop17h 27m
Frontier
Tue 7/1410:23 pm
SFO
- STL
2 stops41h 52m
Frontier
Deal found 6/17![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 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
Sat 8/1510:23 pm
SFO
- STL
2 stops41h 52m
Frontier
Deal found 6/17![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 8/178:08 pm
STL
- SFO
2 stops26h 52m
Frontier
Fri 8/2110:50 pm
SFO
- STL
1 stop18h 46m
Frontier
Deal found 6/16![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 6/18. 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.
Sat 7/113:41 pm
STL
- SFO
1 stop9h 18m
Frontier
Tue 7/2110:10 pm
SFO
- STL
1 stop8h 47m
Frontier
Deal found 6/18![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:10 pm
STL
- SFO
1 stop15h 33m
Frontier
Mon 8/109:30 pm
SFO
- STL
2 stops15h 26m
Frontier
Deal found 6/17![Frontier logo]()
$319
This Frontier deal was found by Cheapflights users on 6/17. 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.
Fri 8/288:08 pm
STL
- SFO
1 stop6h 14m
Frontier
Wed 9/26:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/17![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 6/18. 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 CheapOair 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
Mon 10/197:17 pm
SFO
- STL
1 stop21h 58m
Frontier
Deal found 6/18![Frontier logo]()
$321
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 June 20, 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 June 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:08 pm
STL
- SFO
1 stop7h 20m
Alaska Airlines
Wed 8/267:23 am
SFO
- STL
1 stop7h 47m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Sat 7/2512:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 6/19![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 6/17. 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.
Thu 8/68:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Wed 8/1911:50 am
SFO
- STL
Nonstop3h 50m
Southwest
Deal found 6/17![Southwest logo]()
$470
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:35 am
STL
- SFO
Nonstop4h 22m
United Airlines
Tue 9/295:00 am
SFO
- STL
1 stop7h 17m
United Airlines
Deal found 6/19![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 6/19. 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.
Tue 7/218:25 am
STL
- SFO
Nonstop4h 05m
Southwest
Tue 7/283:10 pm
SFO
- STL
1 stop6h 35m
Southwest
Deal found 6/19![Southwest logo]()
$473
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 7/155:10 am
STL
- SFO
1 stop8h 15m
United Airlines
Tue 7/2112:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 6/16![United Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:16 am
STL
- SFO
2 stops9h 06m
Alaska Airlines
Wed 9/28:23 am
SFO
- STL
1 stop6h 47m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$515
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Wed 8/1911:50 am
SFO
- STL
Nonstop3h 50m
Southwest
Deal found 6/18![Southwest logo]()
$483
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:16 am
STL
- SFO
2 stops9h 06m
Alaska Airlines
Thu 8/278:23 am
SFO
- STL
1 stop6h 47m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Tue 7/2812:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 6/15![United Airlines logo]()
$470
Last-minute flights from St. Louis to FremontDiscover last-minute flight deals from St. Louis to Fremont. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fremont. Data last updated June 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.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
Tue 7/284:30 pm
SFO
- STL
1 stop23h 35m
Frontier
Deal found 6/15![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Fri 7/37:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Wed 8/54:30 pm
SFO
- STL
1 stop23h 45m
Frontier
Deal found 6/18![Frontier logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:10 pm
STL
- SFO
2 stops52h 28m
Frontier
Wed 7/294:30 pm
SFO
- STL
1 stop23h 45m
Frontier
Deal found 6/15![Frontier logo]()
$322
This Expedia deal was found by Cheapflights users on 6/16. 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.
Tue 7/77:03 pm
STL
- SFO
1 stop17h 27m
Frontier
Wed 7/84:30 pm
SFO
- STL
1 stop23h 45m
Frontier
Deal found 6/16![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:03 pm
STL
- SFO
1 stop17h 27m
Frontier
Tue 7/1410:23 pm
SFO
- STL
2 stops41h 52m
Frontier
Deal found 6/17![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 6/18. 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.
Wed 7/88:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Tue 7/2110:10 pm
SFO
- STL
1 stop8h 47m
Frontier
Deal found 6/18![Frontier logo]()
$324
This Frontier deal was found by Cheapflights users on 6/18. 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.
Thu 7/98:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Wed 7/226:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/18![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 6/18. 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.
Sat 7/113:41 pm
STL
- SFO
1 stop9h 18m
Frontier
Tue 7/2110:10 pm
SFO
- STL
1 stop8h 47m
Frontier
Deal found 6/18![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:08 pm
STL
- SFO
2 stops26h 37m
Frontier
Wed 7/229:00 pm
SFO
- STL
1 stop19h 15m
Frontier
Deal found 6/17![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Mon 7/207:10 pm
STL
- SFO
2 stops28h 28m
Frontier
Mon 7/279:00 pm
SFO
- STL
1 stop19h 05m
Frontier
Deal found 6/19![Frontier logo]()
$321
This Frontier deal was found by Cheapflights users on 6/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Sat 7/2512:29 am
SFO
- STL
1 stop12h 27m
Frontier
Deal found 6/19![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Tue 7/288:08 pm
STL
- SFO
2 stops26h 37m
Frontier
Fri 7/319:00 pm
SFO
- STL
1 stop19h 15m
Frontier
Deal found 6/18![Frontier logo]()
$325
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 June 20, 2026.
Search for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/177:10 pm
STL
- SFO
1 stop26h 46m
Frontier
Deal found 6/18![Frontier logo]()
$107
This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:10 pm
STL
- SFO
1 stop22h 15m
Frontier
Deal found 6/19![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Tue 7/217:03 pm
STL
- SFO
1 stop26h 49m
Frontier
Deal found 6/18![Frontier logo]()
$112
This Trip.com deal was found by Cheapflights users on 6/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:10 pm
STL
- SFO
1 stop26h 42m
Frontier
Deal found 6/17![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Tue 8/117:03 pm
STL
- SFO
1 stop17h 22m
Frontier
Deal found 6/18![Frontier logo]()
$119
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 June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Kiwi.com) |
One-way from | $107 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $480 |
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 June 20, 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
Mon 8/24
6:08 pm-11:28 pm
1 stop7h 20m
San Francisco
Wed 8/26
7:23 am-5:10 pm
1 stop7h 47m
$394
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Sat 7/18
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Sat 7/25
12:12 pm-6:17 pm
Nonstop4h 05m
$397
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 9/16
8:35 am-10:57 am
Nonstop4h 22m
San Francisco
Tue 9/29
5:00 am-2:17 pm
1 stop7h 17m
$437
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 7/15
5:10 am-11:25 am
1 stop8h 15m
San Francisco
Tue 7/21
12:12 pm-6:17 pm
Nonstop4h 05m
$447
Quickest round-trip
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 8/6
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Wed 8/19
11:50 am-5:40 pm
Nonstop3h 50m
$470
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 7/23
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Tue 7/28
12:12 pm-6:17 pm
Nonstop4h 05m
$470
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 7/21
8:25 am-10:30 am
Nonstop4h 05m
San Francisco
Tue 7/28
3:10 pm-11:45 pm
1 stop6h 35m
$473
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 8/10
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Wed 8/19
11:50 am-5:40 pm
Nonstop3h 50m
$483
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 8/28
10:16 am-5:22 pm
2 stops9h 06m
San Francisco
Wed 9/2
8:23 am-5:10 pm
1 stop6h 47m
$515
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Sat 8/22
10:16 am-5:22 pm
2 stops9h 06m
San Francisco
Thu 8/27
8:23 am-5:10 pm
1 stop6h 47m
$516
Showing 1-10 of 21 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 June 20, 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 48% 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 June 20, 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 June 20, 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.
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Top destinations
Alternative routes for St. Louis to Fremont
See prices for flight routes from nearby airports that may be better suited for you.
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 June 20, 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 June 20, 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$273 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$469 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$483 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$320 | Average$488 | FlexibilityNo cancel fee | On-time69% |