$147+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
May 5 — May 121
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
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Last-minute
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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 April 5, 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 April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:51 pm
STL
- SFO
1 stop15h 39m
Frontier
Sun 5/175:25 pm
SFO
- STL
2 stops23h 58m
Frontier
Deal found 3/31![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:08 pm
STL
- SFO
1 stop17h 34m
Frontier
Fri 5/2210:15 pm
SFO
- STL
2 stops19h 08m
Frontier
Deal found 3/31![Frontier logo]()
$298
This Priceline deal was found by Cheapflights users on 3/31. 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.
Thu 5/213:30 pm
STL
- SFO
1 stop9h 34m
Frontier
Tue 5/2610:15 pm
SFO
- STL
1 stop8h 40m
Frontier
Deal found 3/31![Frontier logo]()
$315
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Sat 5/169:18 pm
STL
- SFO
1 stop13h 12m
Frontier
Tue 5/1910:40 pm
SFO
- STL
1 stop17h 26m
Frontier
Deal found 3/31![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 6/203:33 pm
STL
- SFO
1 stop9h 24m
Frontier
Wed 7/16:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 4/1![Frontier logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Sun 6/710:40 pm
SFO
- STL
2 stops42h 43m
Frontier
Deal found 4/2![Frontier logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/168:06 pm
STL
- SFO
1 stop15h 07m
Frontier
Thu 4/236:41 pm
SFO
- STL
2 stops34h 09m
Frontier
Deal found 4/4![Frontier logo]()
$325
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:18 pm
STL
- SFO
1 stop13h 12m
Frontier
Thu 5/2110:15 pm
SFO
- STL
1 stop8h 40m
Frontier
Deal found 3/31![Frontier logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 4/227:00 am
STL
- SFO
1 stop9h 21m
Alaska Airlines
Wed 4/299:00 am
SFO
- STL
1 stop12h 59m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 7/188:08 pm
STL
- SFO
1 stop6h 14m
Frontier
Sat 8/17:12 pm
SFO
- STL
2 stops22h 11m
Frontier
Deal found 4/3![Frontier logo]()
$328
This Booking.com deal was found by Cheapflights users on 4/3. 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.
Thu 5/219:06 pm
STL
- SFO
1 stop24h 43m
Frontier
Sun 5/246:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 4/3![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/196:51 pm
STL
- SFO
1 stop17h 50m
Frontier
Tue 5/2611:36 am
SFO
- STL
2 stops34h 21m
Frontier
Deal found 4/1![Frontier logo]()
$330
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 April 5, 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 April 5, 2026.
This Southwest deal was found by Cheapflights users on 4/1. 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 5/128:35 am
STL
- SFO
Nonstop4h 25m
Southwest
Tue 5/196:20 am
SFO
- STL
1 stop5h 30m
Southwest
Deal found 4/1![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 4/4. 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.
Sat 5/97:00 am
STL
- SFO
2 stops11h 57m
Delta
Wed 5/138:30 pm
SFO
- STL
2 stops10h 16m
Delta
Deal found 4/4![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 4/3. 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 5/158:30 am
STL
- SFO
Nonstop4h 41m
United Airlines
Mon 5/1811:20 pm
SFO
- STL
Nonstop4h 27m
United Airlines
Deal found 4/3![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 4/1. 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 5/202:27 pm
STL
- SFO
2 stops11h 38m
Delta
Tue 5/265:55 am
SFO
- STL
2 stops11h 08m
Delta
Deal found 4/1![Delta logo]()
$430
This Southwest deal was found by Cheapflights users on 3/31. 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 4/208:25 am
STL
- SFO
Nonstop4h 20m
Southwest
Sat 4/2512:45 pm
SFO
- STL
1 stop6h 30m
Southwest
Deal found 3/31![Southwest logo]()
$493
This Delta deal was found by Cheapflights users on 4/1. 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 5/225:15 pm
STL
- SFO
1 stop7h 33m
Delta
Tue 5/265:55 am
SFO
- STL
2 stops11h 08m
Delta
Deal found 4/1![Delta logo]()
$454
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/248:15 pm
STL
- SFO
1 stop7h 20m
United Airlines
Sun 4/2611:20 pm
SFO
- STL
Nonstop4h 30m
United Airlines
Deal found 4/2![United Airlines logo]()
$513
This Southwest deal was found by Cheapflights users on 3/31. 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.
Fri 9/188:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Mon 9/2110:30 pm
SFO
- STL
1 stop9h 35m
Southwest
Deal found 3/31![Southwest logo]()
$513
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/208:30 pm
STL
- SFO
1 stop7h 20m
United Airlines
Mon 5/2512:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 3/31![United Airlines logo]()
$530
This Southwest deal was found by Cheapflights users on 4/4. 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 5/36:15 am
STL
- SFO
1 stop6h 05m
Southwest
Sun 5/101:10 pm
SFO
- STL
Nonstop3h 55m
Southwest
Deal found 4/4![Southwest logo]()
$513
This Southwest deal was found by Cheapflights users on 4/3. 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.
Fri 5/152:25 pm
STL
- SFO
2 stops9h 45m
Southwest
Mon 5/188:05 am
SFO
- STL
2 stops10h 50m
Southwest
Deal found 4/3![Southwest logo]()
$533
Last-minute flights from St. Louis to FremontDiscover last-minute flight deals from St. Louis to Fremont. Data last updated April 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fremont. Data last updated April 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/168:06 pm
STL
- SFO
1 stop15h 07m
Frontier
Thu 4/236:41 pm
SFO
- STL
2 stops34h 09m
Frontier
Deal found 4/4![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/168:06 pm
STL
- SFO
1 stop6h 21m
Frontier
Tue 4/217:40 pm
SFO
- STL
2 stops25h 39m
Frontier
Deal found 4/1![Frontier logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 4/227:00 am
STL
- SFO
1 stop9h 21m
Alaska Airlines
Wed 4/299:00 am
SFO
- STL
1 stop12h 59m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$327
This Trip.com deal was found by Cheapflights users on 4/4. 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.
Wed 5/66:51 pm
STL
- SFO
1 stop17h 50m
Frontier
Fri 5/811:31 am
SFO
- STL
1 stop6h 52m
Frontier
Deal found 4/4![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:51 pm
STL
- SFO
1 stop15h 39m
Frontier
Sun 5/175:25 pm
SFO
- STL
2 stops23h 58m
Frontier
Deal found 3/31![Frontier logo]()
$291
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Sat 5/169:18 pm
STL
- SFO
1 stop13h 12m
Frontier
Tue 5/1910:40 pm
SFO
- STL
1 stop17h 26m
Frontier
Deal found 3/31![Frontier logo]()
$317
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:18 pm
STL
- SFO
1 stop13h 12m
Frontier
Thu 5/2110:15 pm
SFO
- STL
1 stop8h 40m
Frontier
Deal found 3/31![Frontier logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:08 pm
STL
- SFO
1 stop17h 34m
Frontier
Fri 5/2210:15 pm
SFO
- STL
2 stops19h 08m
Frontier
Deal found 3/31![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/196:51 pm
STL
- SFO
1 stop17h 50m
Frontier
Tue 5/2611:36 am
SFO
- STL
2 stops34h 21m
Frontier
Deal found 4/1![Frontier logo]()
$330
This Priceline deal was found by Cheapflights users on 3/31. 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.
Thu 5/213:30 pm
STL
- SFO
1 stop9h 34m
Frontier
Tue 5/2610:15 pm
SFO
- STL
1 stop8h 40m
Frontier
Deal found 3/31![Frontier logo]()
$315
This Booking.com deal was found by Cheapflights users on 4/3. 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.
Thu 5/219:06 pm
STL
- SFO
1 stop24h 43m
Frontier
Sun 5/246:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 4/3![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Sun 6/710:40 pm
SFO
- STL
2 stops42h 43m
Frontier
Deal found 4/2![Frontier logo]()
$323
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 April 5, 2026.
Search for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:27 pm
STL
- SFO
2 stops31h 37m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$147
This Super.com deal was found by Cheapflights users on 4/4. 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 4/268:06 pm
STL
- SFO
1 stop15h 07m
Frontier
Deal found 4/4![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/17:01 pm
STL
- SFO
2 stops40h 12m
Frontier
Deal found 4/1![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/126:51 pm
STL
- SFO
2 stops26h 52m
Frontier
Deal found 4/2![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/39:55 pm
STL
- SFO
2 stops47h 53m
Frontier
Deal found 4/1![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/158:23 pm
STL
- SFO
2 stops43h 42m
Frontier
Deal found 3/31![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:27 pm
STL
- SFO
2 stops56h 56m
Frontier
Deal found 4/2![Frontier logo]()
$156
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Fri 6/264:10 pm
STL
- SFO
1 stop20h 19m
Frontier
Deal found 3/31![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/309:55 pm
STL
- SFO
2 stops13h 18m
Frontier
Deal found 4/1![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 6/123:33 pm
STL
- SFO
2 stops32h 32m
Frontier
Deal found 4/4![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/298:23 pm
STL
- SFO
1 stop23h 11m
Frontier
Deal found 3/31![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:08 pm
STL
- SFO
2 stops26h 56m
Frontier
Deal found 3/31![Frontier logo]()
$163
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 April 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (Kiwi.com) |
One-way from | $147 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $469 |
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 April 5, 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
Tue 5/12
8:35 am-11:00 am
Nonstop4h 25m
San Francisco
Tue 5/19
6:20 am-1:50 pm
1 stop5h 30m
$347
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Sat 5/9
7:00 am-4:57 pm
2 stops11h 57m
San Francisco
Wed 5/13
8:30 pm-8:46 am
2 stops10h 16m
$415
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 5/20
2:27 pm-12:05 am
2 stops11h 38m
San Francisco
Tue 5/26
5:55 am-7:03 pm
2 stops11h 08m
$430
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 5/22
5:15 pm-10:48 pm
1 stop7h 33m
San Francisco
Tue 5/26
5:55 am-7:03 pm
2 stops11h 08m
$454
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 4/20
8:25 am-10:45 am
Nonstop4h 20m
San Francisco
Sat 4/25
12:45 pm-9:15 pm
1 stop6h 30m
$493
Quickest round-trip
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 5/15
8:30 am-11:11 am
Nonstop4h 41m
San Francisco
Mon 5/18
11:20 pm-5:47 am
Nonstop4h 27m
$499
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 4/24
8:15 pm-1:35 am
1 stop7h 20m
San Francisco
Sun 4/26
11:20 pm-5:50 am
Nonstop4h 30m
$513
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 9/18
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Mon 9/21
10:30 pm-10:05 am
1 stop9h 35m
$513
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Sun 5/3
6:15 am-10:20 am
1 stop6h 05m
San Francisco
Sun 5/10
1:10 pm-7:05 pm
Nonstop3h 55m
$513
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 5/20
8:30 pm-1:50 am
1 stop7h 20m
San Francisco
Mon 5/25
12:12 pm-6:17 pm
Nonstop4h 05m
$530
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
How far ahead should I book a flight from St. Louis to Fremont?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Fremont. Price data was last updated on April 3, 2026.
The best time to book flights from St. Louis to Fremont is 17 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from St. Louis to Fremont?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Fremont (average of $122). Flying from St. Louis to Fremont in March is currently the most expensive (average of $283). 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 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 April 5, 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 50% versus a flight in the evening.
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. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 April 5, 2026.
The most flights from STL to FR8 are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, 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?
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 5, 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
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
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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Complete your trip
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Search flights from St. Louis to Fremont by cabin class
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St. Louis and Fremont flights
Browse other St. Louis and Fremont flight options. Last updated on April 5, 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 April 5, 2026.
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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 April 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$122 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$425 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$259 | Average$459 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$290 | Average$408 | FlexibilityNo cancel fee | On-time69% |