$69+ Cheap flights from St. Louis (STL) to San Francisco Bay Area
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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Mar 13 — Mar 201
1 adult, Economy
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Find cheap flights from St. Louis to San Francisco Bay Area 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.Cheap flight deals from St. Louis to San Francisco Bay Area
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Cheapest flights from St. Louis to San Francisco Bay AreaExplore the most affordable flight options available from St. Louis to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
Explore the most affordable flight options available from St. Louis to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:06 pm
STL
- SFO
1 stop24h 31m
Frontier
Tue 3/246:00 am
SFO
- STL
1 stop25h 49m
Frontier
Deal found 2/10![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:12 pm
STL
- SFO
1 stop30h 16m
Frontier
Mon 3/236:41 pm
SFO
- STL
2 stops37h 08m
Frontier
Deal found 2/7![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/1111:32 am
STL
- SFO
1 stop9h 42m
Frontier
Mon 3/236:41 pm
SFO
- STL
2 stops37h 08m
Frontier
Deal found 2/11![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:02 pm
STL
- SFO
1 stop22h 56m
Frontier
Mon 3/210:58 pm
SFO
- STL
1 stop29h 53m
Frontier
Deal found 2/8![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:06 pm
STL
- SFO
2 stops30h 22m
Frontier
Tue 3/179:04 pm
SFO
- STL
1 stop10h 45m
Frontier
Deal found 2/10![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:09 pm
STL
- SFO
1 stop31h 05m
Frontier
Mon 3/166:41 pm
SFO
- STL
2 stops37h 08m
Frontier
Deal found 2/8![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 2/279:02 pm
STL
- SFO
1 stop22h 56m
Frontier
Tue 3/37:15 pm
SFO
- STL
2 stops18h 38m
Frontier
Deal found 2/11![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:51 pm
STL
- SFO
1 stop9h 37m
Frontier
Sat 2/286:15 am
SFO
- STL
1 stop5h 41m
Frontier
Deal found 2/9![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 2/11. 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 2/2610:11 pm
STL
- SJC
1 stop11h 44m
Frontier
Mon 3/29:35 am
SJC
- STL
1 stop9h 38m
Frontier
Deal found 2/11![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:06 pm
STL
- SFO
2 stops27h 32m
Multiple Airlines
Tue 3/179:04 pm
SFO
- STL
1 stop10h 45m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:19 pm
STL
- SJC
2 stops27h 06m
Frontier
Sun 3/158:20 pm
SJC
- STL
1 stop12h 59m
Frontier
Deal found 2/7![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
STL
- SJC
1 stop8h 35m
Hawaiian Airlines
Wed 4/12:29 pm
SJC
- STL
1 stop7h 30m
Hawaiian Airlines
Deal found 2/8![Hawaiian Airlines logo]()
$243
Best flights from St. Louis to San Francisco Bay AreaDiscover carefully curated flight deals from St. Louis to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
Discover carefully curated flight deals from St. Louis to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:02 am
STL
- SJC
1 stop7h 21m
Delta
Wed 4/226:20 am
SJC
- STL
1 stop6h 09m
Delta
Deal found 2/7![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:30 pm
STL
- SJC
1 stop6h 35m
United Airlines
Sat 3/710:55 pm
SJC
- STL
1 stop8h 41m
United Airlines
Deal found 2/9![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:25 am
STL
- SJC
1 stop9h 20m
Southwest
Wed 4/86:15 am
SJC
- STL
1 stop6h 15m
Southwest
Deal found 2/9![Southwest logo]()
$257
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:14 pm
STL
- SJC
1 stop7h 53m
Multiple Airlines
Tue 3/106:03 pm
SJC
- STL
1 stop17h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$259
This CheapOair deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
STL
- OAK
1 stop11h 37m
Alaska Airlines
Sat 3/75:31 pm
OAK
- STL
1 stop17h 52m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:45 pm
STL
- SJC
1 stop6h 56m
Delta
Sat 4/256:20 am
SJC
- STL
1 stop8h 30m
Delta
Deal found 2/7![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:00 pm
STL
- SJC
1 stop6h 21m
Delta
Sat 4/257:20 am
SJC
- STL
2 stops12h 11m
Delta
Deal found 2/8![Delta logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:50 pm
STL
- SFO
1 stop8h 37m
Alaska Airlines
Mon 4/279:15 pm
SFO
- STL
1 stop24h 44m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
STL
- SJC
2 stops12h 38m
Delta
Sat 3/710:35 pm
SJC
- STL
1 stop7h 12m
Delta
Deal found 2/9![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:51 am
STL
- SFO
Nonstop4h 54m
United Airlines
Tue 3/2411:59 pm
SFO
- STL
1 stop7h 22m
United Airlines
Deal found 2/10![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:02 am
STL
- SJC
1 stop7h 21m
Delta
Tue 4/217:20 am
SJC
- STL
2 stops15h 05m
Delta
Deal found 2/7![Delta logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:50 pm
STL
- SFO
1 stop8h 37m
Alaska Airlines
Tue 4/211:35 pm
SFO
- STL
1 stop8h 24m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:45 pm
STL
- OAK
1 stop5h 50m
Southwest
Sat 5/168:30 am
OAK
- STL
2 stops7h 40m
Southwest
Deal found 2/9![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:02 am
STL
- SJC
1 stop7h 21m
Delta
Thu 4/237:20 am
SJC
- STL
2 stops15h 05m
Delta
Deal found 2/7![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 am
STL
- SFO
1 stop18h 59m
Alaska Airlines
Wed 4/228:00 am
SFO
- STL
2 stops13h 59m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:10 pm
STL
- OAK
2 stops7h 55m
Southwest
Wed 4/2910:45 am
OAK
- STL
2 stops8h 25m
Southwest
Deal found 2/11![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:45 pm
STL
- SJC
1 stop6h 56m
Delta
Sun 4/1910:55 pm
SJC
- STL
1 stop7h 35m
Delta
Deal found 2/7![Delta logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:50 pm
STL
- SFO
1 stop8h 37m
Alaska Airlines
Wed 4/229:20 am
SFO
- STL
2 stops12h 39m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:45 pm
STL
- OAK
1 stop5h 50m
Southwest
Sat 4/111:15 pm
OAK
- STL
1 stop6h 00m
Southwest
Deal found 2/11![Southwest logo]()
$407
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:02 am
STL
- SJC
1 stop7h 21m
Delta
Wed 4/226:20 am
SJC
- STL
1 stop6h 09m
Delta
Deal found 2/7![Delta logo]()
$300
This CheapOair deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:00 am
STL
- OAK
1 stop28h 14m
Alaska Airlines
Wed 3/45:31 pm
OAK
- STL
1 stop28h 28m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:02 am
STL
- SFO
2 stops10h 57m
Delta
Sat 4/2510:32 am
SFO
- STL
2 stops10h 41m
Delta
Deal found 2/9![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 4/67:00 am
STL
- STS
1 stop13h 01m
Alaska Airlines
Sat 4/251:13 pm
STS
- STL
1 stop8h 46m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$390
This CheapOair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:20 pm
STL
- OAK
1 stop16h 30m
Alaska Airlines
Tue 5/267:03 pm
OAK
- STL
1 stop20h 03m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:35 am
STL
- SFO
2 stops14h 18m
Delta
Mon 3/95:50 am
SFO
- STL
1 stop8h 42m
Delta
Deal found 2/8![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:25 pm
STL
- SFO
2 stops10h 12m
Delta
Mon 4/2710:35 pm
SFO
- STL
1 stop9h 59m
Delta
Deal found 2/8![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 3/177:00 am
STL
- STS
1 stop29h 30m
Alaska Airlines
Mon 3/236:53 pm
STS
- STL
1 stop27h 06m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:20 pm
STL
- SFO
2 stops11h 17m
Delta
Mon 4/209:35 pm
SFO
- STL
1 stop8h 55m
Delta
Deal found 2/8![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:00 am
STL
- STS
1 stop18h 50m
Alaska Airlines
Mon 3/166:50 pm
STS
- STL
2 stops17h 01m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:59 pm
STL
- OAK
1 stop5h 58m
Delta
Tue 5/196:00 am
OAK
- STL
1 stop5h 32m
Delta
Deal found 2/9![Delta logo]()
$382
Last-minute flights from St. Louis to San Francisco Bay AreaDiscover last-minute flight deals from St. Louis to San Francisco Bay Area. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Francisco Bay Area. Data last updated February 11, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:51 pm
STL
- SFO
1 stop9h 37m
Frontier
Sat 2/286:15 am
SFO
- STL
1 stop5h 41m
Frontier
Deal found 2/9![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 2/11. 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 2/2610:11 pm
STL
- SJC
1 stop11h 44m
Frontier
Mon 3/29:35 am
SJC
- STL
1 stop9h 38m
Frontier
Deal found 2/11![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:02 pm
STL
- SFO
1 stop22h 56m
Frontier
Mon 3/210:58 pm
SFO
- STL
1 stop29h 53m
Frontier
Deal found 2/8![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 2/279:02 pm
STL
- SFO
1 stop22h 56m
Frontier
Tue 3/37:15 pm
SFO
- STL
2 stops18h 38m
Frontier
Deal found 2/11![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:19 pm
STL
- SJC
2 stops27h 06m
Frontier
Sun 3/158:20 pm
SJC
- STL
1 stop12h 59m
Frontier
Deal found 2/7![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:09 pm
STL
- SFO
1 stop31h 05m
Frontier
Mon 3/166:41 pm
SFO
- STL
2 stops37h 08m
Frontier
Deal found 2/8![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:06 pm
STL
- SFO
2 stops30h 22m
Frontier
Tue 3/179:04 pm
SFO
- STL
1 stop10h 45m
Frontier
Deal found 2/10![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:06 pm
STL
- SFO
2 stops27h 32m
Multiple Airlines
Tue 3/179:04 pm
SFO
- STL
1 stop10h 45m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/1111:32 am
STL
- SFO
1 stop9h 42m
Frontier
Mon 3/236:41 pm
SFO
- STL
2 stops37h 08m
Frontier
Deal found 2/11![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:12 pm
STL
- SFO
1 stop30h 16m
Frontier
Mon 3/236:41 pm
SFO
- STL
2 stops37h 08m
Frontier
Deal found 2/7![Frontier logo]()
$202
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:06 pm
STL
- SFO
1 stop24h 31m
Frontier
Tue 3/246:00 am
SFO
- STL
1 stop25h 49m
Frontier
Deal found 2/10![Frontier logo]()
$201
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
STL
- SJC
1 stop8h 35m
Hawaiian Airlines
Wed 4/12:29 pm
SJC
- STL
1 stop7h 30m
Hawaiian Airlines
Deal found 2/8![Hawaiian Airlines logo]()
$243
One-way flights from St. Louis to San Francisco Bay AreaSearch for one-way flight options from St. Louis to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
Search for one-way flight options from St. Louis to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:51 pm
STL
- SFO
1 stop11h 37m
Frontier
Deal found 2/8![Frontier logo]()
$69
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:12 pm
STL
- SFO
1 stop14h 56m
Frontier
Deal found 2/8![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:12 pm
STL
- SFO
1 stop29h 13m
Frontier
Deal found 2/9![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:12 pm
STL
- SFO
1 stop29h 13m
Frontier
Deal found 2/8![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:12 pm
STL
- SFO
1 stop14h 56m
Frontier
Deal found 2/9![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:12 pm
STL
- SFO
1 stop29h 13m
Frontier
Deal found 2/9![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:11 pm
STL
- SFO
1 stop22h 09m
Frontier
Deal found 2/8![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:12 pm
STL
- SFO
1 stop14h 56m
Frontier
Deal found 2/9![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:09 pm
STL
- SFO
2 stops36h 19m
Frontier
Deal found 2/9![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:32 am
STL
- SFO
1 stop9h 42m
Frontier
Deal found 2/10![Frontier logo]()
$94
This CheapOair deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:11 pm
STL
- SJC
1 stop11h 44m
Frontier
Deal found 2/9![Frontier logo]()
$101
This CheapOair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:11 pm
STL
- SJC
1 stop21h 56m
Frontier
Deal found 2/10![Frontier logo]()
$115
Find flight deals from St. Louis to San Francisco Bay Area
Keep the following information in mind while searching for St. Louis to San Francisco Bay Area flight deals. Data was last updated February 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Super.com) |
One-way from | $69 (Trip.com) |
Popular in | March |
Cheapest in | August |
Average price | $439 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to San Francisco Bay Area 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 February 11, 2026.
Use the filters below to find and compare flights from St. Louis to San Francisco Bay Area that are best for you.
Fly from
St. Louis
Fly to
San Francisco Bay Area
Route
Depart
Return
Price
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 4/14
7:02 am-12:23 pm
1 stop7h 21m
San Jose
Wed 4/22
6:20 am-2:29 pm
1 stop6h 09m
$257
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 3/3
4:30 pm-9:05 pm
1 stop6h 35m
San Jose
Sat 3/7
10:55 pm-9:36 am
1 stop8h 41m
$257
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 4/4
8:25 am-3:45 pm
1 stop9h 20m
San Jose
Wed 4/8
6:15 am-2:30 pm
1 stop6h 15m
$257
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 4/14
6:45 pm-11:41 pm
1 stop6h 56m
San Jose
Sat 4/25
6:20 am-4:50 pm
1 stop8h 30m
$257
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Fri 3/6
12:14 pm-6:07 pm
1 stop7h 53m
San Jose
Tue 3/10
6:03 pm-1:51 pm
1 stop17h 48m
$259
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 4/18
5:00 pm-9:21 pm
1 stop6h 21m
San Jose
Sat 4/25
7:20 am-9:31 pm
2 stops12h 11m
$285
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 3/3
7:00 am-5:38 pm
2 stops12h 38m
San Jose
Sat 3/7
10:35 pm-7:47 am
1 stop7h 12m
$285
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 4/18
7:02 am-12:23 pm
1 stop7h 21m
San Jose
Tue 4/21
7:20 am-12:25 am
2 stops15h 05m
$285
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 4/14
7:02 am-12:23 pm
1 stop7h 21m
San Jose
Thu 4/23
7:20 am-12:25 am
2 stops15h 05m
$292
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 4/14
6:45 pm-11:41 pm
1 stop6h 56m
San Jose
Sun 4/19
10:55 pm-8:30 am
1 stop7h 35m
$300
Showing 1-10 of 60 results
Best time to book a flight from St. Louis to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from St. Louis with our price prediction graph.
STL-SFO
STL-SJC
STL-STS
STL-OAK
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 San Francisco Bay Area
STL-zzXIH
STL-SFO
STL-SJC
STL-STS
STL-OAK
What is the cheapest month to book a flight from St. Louis to San Francisco Bay Area?
Currently, August is the cheapest month in which you can book a flight from St. Louis to San Francisco Bay Area (average of $121). Flying from St. Louis to San Francisco Bay Area in May is currently the most expensive (average of $240). 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 XIH?
Find hourly flight availability from St. Louis to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 11, 2026.
One of the essential ways to save on airfare from St. Louis to San Francisco Bay Area is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 49% on airfare.
What is the cheapest day to fly from St. Louis to San Francisco Bay Area?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to San Francisco Bay Area. Price data was last updated on August 31, 2025.
Travelers seeking maximum savings on their St. Louis to San Francisco Bay Area flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing San Francisco Bay Area
Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated February 11, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from St. Louis to San Francisco Bay Area have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from St. Louis to San Francisco Bay Area. 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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St. Louis and San Francisco Bay Area flights
Browse other St. Louis and San Francisco Bay Area flight options. Last updated on February 11, 2026.
Popular flight searches
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St. Louis to San Francisco Bay Area flights
Consider these flights traveling from St. Louis to San Francisco Bay Area.
Top 5 airlines flying from St. Louis to San Francisco Bay Area
Discover the top 5 airlines that operate flights from St. Louis to San Francisco Bay Area. 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 February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$121 | Average$229 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$259 | Average$437 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$413 | FlexibilityNo cancel fee | On-time69% |