$49+ Cheap flights from St. Louis (STL) to California
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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to California with Cheapflights
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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
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Cheapest flights from St. Louis to CaliforniaExplore the most affordable flight options available from St. Louis to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from St. Louis to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/247:10 pm
STL
- BUR
1 stop15h 05m
Frontier
Thu 7/309:00 am
BUR
- STL
1 stop7h 15m
Frontier
Deal found 6/11![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Mon 7/277:10 pm
STL
- BUR
1 stop24h 05m
Frontier
Thu 7/309:00 am
BUR
- STL
1 stop7h 15m
Frontier
Deal found 6/11![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:10 pm
STL
- SNA
1 stop22h 18m
Frontier
Sun 8/97:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 6/13![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 8/33:20 pm
STL
- LAS
1 stop5h 25m
Southwest
Sat 8/156:10 am
LAS
- STL
2 stops7h 15m
Southwest
Deal found 6/11![Southwest logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sun 7/267:10 pm
STL
- BUR
1 stop15h 05m
Frontier
Thu 7/309:00 am
BUR
- STL
1 stop7h 15m
Frontier
Deal found 6/11![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Fri 7/1012:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/14![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Fri 7/2412:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/11![Frontier logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Sun 8/912:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/10![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:03 pm
STL
- SNA
1 stop22h 17m
Multiple Airlines
Tue 8/187:30 am
SNA
- STL
1 stop8h 38m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 6/308:08 pm
STL
- LAS
1 stop17h 21m
Frontier
Fri 7/38:45 am
LAS
- STL
Nonstop3h 21m
Frontier
Deal found 6/10![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Tue 7/146:45 pm
LAS
- STL
2 stops22h 38m
Frontier
Deal found 6/14![Frontier logo]()
$206
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Sun 7/2611:50 pm
LAS
- STL
1 stop7h 07m
Frontier
Deal found 6/15![Frontier logo]()
$207
Best flights from St. Louis to CaliforniaDiscover carefully curated flight deals from St. Louis to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from St. Louis to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:55 pm
STL
- LAS
1 stop5h 45m
Delta
Mon 7/275:00 pm
LAS
- STL
1 stop5h 41m
Delta
Deal found 6/14![Delta logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:56 pm
STL
- SNA
1 stop23h 38m
Frontier
Tue 7/74:13 pm
SNA
- STL
1 stop23h 52m
Frontier
Deal found 6/12![Frontier logo]()
$236
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:35 am
STL
- SMF
2 stops9h 45m
Southwest
Sat 9/510:55 am
SMF
- STL
1 stop6h 10m
Southwest
Deal found 6/10![Southwest logo]()
$259
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:40 pm
STL
- LAS
1 stop6h 11m
United Airlines
Tue 9/87:15 am
LAS
- STL
1 stop6h 23m
United Airlines
Deal found 6/13![United Airlines logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/185:37 pm
STL
- SJC
1 stop7h 44m
Alaska Airlines
Wed 8/197:02 am
SJC
- STL
1 stop8h 08m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:50 pm
STL
- LAS
1 stop6h 26m
Delta
Thu 8/65:02 pm
LAS
- STL
1 stop5h 39m
Delta
Deal found 6/14![Delta logo]()
$217
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:46 pm
STL
- SNA
1 stop6h 49m
Multiple Airlines
Mon 9/145:35 pm
SNA
- STL
2 stops14h 45m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:00 am
STL
- BUR
1 stop6h 00m
Delta
Mon 8/244:55 pm
BUR
- STL
1 stop5h 46m
Delta
Deal found 6/10![Delta logo]()
$243
This Frontier deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:08 pm
STL
- ONT
1 stop5h 41m
Frontier
Wed 8/1910:50 am
ONT
- STL
1 stop6h 33m
Frontier
Deal found 6/14![Frontier logo]()
$277
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:30 pm
STL
- LAS
1 stop6h 15m
Southwest
Thu 9/311:30 pm
LAS
- STL
1 stop6h 05m
Southwest
Deal found 6/10![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:25 am
STL
- LAS
2 stops7h 15m
Southwest
Thu 9/39:45 am
LAS
- STL
1 stop6h 10m
Southwest
Deal found 6/10![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/145:10 am
STL
- SMF
1 stop6h 37m
United Airlines
Wed 10/217:35 am
SMF
- STL
2 stops11h 01m
United Airlines
Deal found 6/10![United Airlines logo]()
$342
This Booking.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:10 pm
STL
- ONT
1 stop14h 53m
Frontier
Sun 7/263:40 pm
ONT
- STL
1 stop24h 35m
Frontier
Deal found 6/14![Frontier logo]()
$321
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:00 am
STL
- SAN
1 stop8h 41m
Delta
Mon 11/23:10 pm
SAN
- STL
1 stop6h 08m
Delta
Deal found 6/13![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
STL
- BUR
1 stop5h 40m
Southwest
Tue 8/411:15 am
BUR
- STL
1 stop7h 05m
Southwest
Deal found 6/12![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:10 am
STL
- SMF
2 stops11h 06m
United Airlines
Wed 8/122:23 pm
SMF
- STL
1 stop6h 36m
United Airlines
Deal found 6/11![United Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:02 am
STL
- BUR
1 stop9h 54m
Alaska Airlines
Wed 8/197:03 am
BUR
- STL
1 stop9h 35m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:34 pm
STL
- SAN
1 stop8h 01m
Delta
Sun 8/2310:25 pm
SAN
- STL
1 stop9h 29m
Delta
Deal found 6/12![Delta logo]()
$297
This Frontier deal was found by Cheapflights users on 6/11. 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.
Sun 8/28:08 pm
STL
- ONT
1 stop5h 42m
Frontier
Sat 8/1510:49 am
ONT
- STL
1 stop6h 34m
Frontier
Deal found 6/11![Frontier logo]()
$339
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:25 am
STL
- SAN
Nonstop3h 50m
Southwest
Wed 11/46:30 am
SAN
- STL
1 stop5h 20m
Southwest
Deal found 6/10![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/1410:14 am
STL
- SMF
2 stops11h 08m
Alaska Airlines
Wed 10/216:59 am
SMF
- STL
2 stops9h 15m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$399
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 7/317:10 pm
STL
- ONT
1 stop14h 53m
Frontier
Mon 8/33:40 pm
ONT
- STL
2 stops21h 16m
Frontier
Deal found 6/15![Frontier logo]()
$343
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am
STL
- SMF
1 stop6h 18m
Delta
Wed 9/91:20 pm
SMF
- STL
1 stop6h 11m
Delta
Deal found 6/14![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 7/114:20 pm
STL
- LAS
1 stop6h 35m
Southwest
Tue 7/148:55 am
LAS
- STL
2 stops6h 50m
Southwest
Deal found 6/11![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/259:00 am
STL
- BUR
2 stops8h 13m
United Airlines
Wed 8/2612:44 pm
BUR
- STL
1 stop6h 02m
United Airlines
Deal found 6/10![United Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/226:29 am
STL
- OAK
2 stops13h 43m
Alaska Airlines
Tue 9/295:10 pm
OAK
- STL
2 stops22h 00m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
STL
- SMF
1 stop6h 18m
Delta
Fri 9/45:00 pm
SMF
- STL
1 stop5h 41m
Delta
Deal found 6/14![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/281:30 pm
STL
- SAN
2 stops8h 19m
United Airlines
Wed 11/411:20 am
SAN
- STL
2 stops9h 34m
United Airlines
Deal found 6/10![United Airlines logo]()
$398
This CheapOair deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:38 pm
STL
- ONT
1 stop16h 27m
Frontier
Sun 7/511:52 am
ONT
- STL
1 stop28h 23m
Frontier
Deal found 6/14![Frontier logo]()
$364
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:55 pm
STL
- BUR
1 stop7h 55m
Southwest
Tue 7/72:50 pm
BUR
- STL
1 stop7h 00m
Southwest
Deal found 6/10![Southwest logo]()
$343
Last-minute flights from St. Louis to CaliforniaDiscover last-minute flight deals from St. Louis to California. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to California. Data last updated June 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 6/308:08 pm
STL
- LAS
1 stop17h 21m
Frontier
Fri 7/38:45 am
LAS
- STL
Nonstop3h 21m
Frontier
Deal found 6/10![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:46 pm
STL
- LAS
Nonstop3h 34m
Multiple Airlines
Wed 7/811:30 am
LAS
- STL
1 stop10h 29m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$200
This Super.com deal was found by Cheapflights users on 6/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:46 pm
STL
- LAS
Nonstop3h 34m
Frontier
Sat 7/1812:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/11![Frontier logo]()
$208
This Super.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:38 pm
STL
- LAS
1 stop5h 51m
Frontier
Thu 7/912:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/13![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Tue 7/146:45 pm
LAS
- STL
2 stops22h 38m
Frontier
Deal found 6/14![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Fri 7/1012:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/14![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Fri 7/2412:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/11![Frontier logo]()
$202
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Sun 7/2611:50 pm
LAS
- STL
1 stop7h 07m
Frontier
Deal found 6/15![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/247:10 pm
STL
- BUR
1 stop15h 05m
Frontier
Thu 7/309:00 am
BUR
- STL
1 stop7h 15m
Frontier
Deal found 6/11![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sun 7/267:10 pm
STL
- BUR
1 stop15h 05m
Frontier
Thu 7/309:00 am
BUR
- STL
1 stop7h 15m
Frontier
Deal found 6/11![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Mon 7/277:10 pm
STL
- BUR
1 stop24h 05m
Frontier
Thu 7/309:00 am
BUR
- STL
1 stop7h 15m
Frontier
Deal found 6/11![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Sun 8/912:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/10![Frontier logo]()
$204
One-way flights from St. Louis to CaliforniaSearch for one-way flight options from St. Louis to California. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from St. Louis to California. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Frontier deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/14![Frontier logo]()
$49
This Super.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/13![Frontier logo]()
$54
This Cheapflightsfares deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/14![Frontier logo]()
$55
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/10![Frontier logo]()
$57
This Trip.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:10 pm
STL
- BUR
1 stop24h 05m
Frontier
Deal found 6/14![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:03 pm
STL
- SAN
1 stop21h 05m
Frontier
Deal found 6/12![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 8/107:10 pm
STL
- BUR
1 stop24h 05m
Frontier
Deal found 6/10![Frontier logo]()
$93
This WAYA deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:56 pm
STL
- SAN
1 stop6h 38m
Frontier
Deal found 6/12![Frontier logo]()
$93
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.
Mon 7/137:10 pm
STL
- BUR
1 stop24h 05m
Frontier
Deal found 6/15![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:10 pm
STL
- SAN
1 stop20h 58m
Frontier
Deal found 6/12![Frontier logo]()
$94
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:30 pm
STL
- LAS
1 stop5h 35m
Southwest
Deal found 6/10![Southwest logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 8/77:10 pm
STL
- BUR
1 stop15h 05m
Frontier
Deal found 6/10![Frontier logo]()
$96
Find flight deals from St. Louis to California
Keep the following information in mind while searching for St. Louis to California flight deals. Data was last updated June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $188 (Kiwi.com) |
One-way from | $49 (Frontier) |
Popular in | May |
Cheapest in | September |
Average price | $443 |
Good round-trip deal | $488 or less |
Good one-way deal | $198 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to California 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 15, 2026.
Use the filters below to find and compare flights from St. Louis to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Thu 7/23
7:55 pm-11:40 pm
1 stop5h 45m
Las Vegas Harry Reid Intl
Mon 7/27
5:00 pm-12:41 am
1 stop5h 41m
$217
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 8/4
3:50 pm-8:16 pm
1 stop6h 26m
Las Vegas Harry Reid Intl
Thu 8/6
5:02 pm-12:41 am
1 stop5h 39m
$217
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Fri 7/3
2:56 pm-12:34 pm
1 stop23h 38m
Santa Ana J. Wayne/Orange Cnty
Tue 7/7
4:13 pm-6:05 pm
1 stop23h 52m
$236
St. LouisBurbank
STL - BUR
STLBUR
Lambert-St Louis
Thu 8/20
8:00 am-12:00 pm
1 stop6h 00m
Burbank Bob Hope
Mon 8/24
4:55 pm-12:41 am
1 stop5h 46m
$243
St. LouisSacramento
STL - SMF
STLSMF
Lambert-St Louis
Tue 9/1
8:35 am-4:20 pm
2 stops9h 45m
Sacramento Intl
Sat 9/5
10:55 am-7:05 pm
1 stop6h 10m
$259
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Mon 8/24
4:40 pm-8:51 pm
1 stop6h 11m
Las Vegas Harry Reid Intl
Tue 9/8
7:15 am-3:38 pm
1 stop6h 23m
$266
St. LouisOntario
STL - ONT
STLONT
Lambert-St Louis
Tue 8/18
8:08 pm-11:49 pm
1 stop5h 41m
Ontario
Wed 8/19
10:50 am-7:23 pm
1 stop6h 33m
$277
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sun 8/30
7:30 pm-11:45 pm
1 stop6h 15m
Las Vegas Harry Reid Intl
Thu 9/3
11:30 pm-7:35 am
1 stop6h 05m
$282
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Mon 8/31
8:25 am-1:40 pm
2 stops7h 15m
Las Vegas Harry Reid Intl
Thu 9/3
9:45 am-5:55 pm
1 stop6h 10m
$282
St. LouisSan Diego
STL - SAN
STLSAN
Lambert-St Louis
Thu 10/29
9:00 am-3:41 pm
1 stop8h 41m
San Diego
Mon 11/2
3:10 pm-11:18 pm
1 stop6h 08m
$297
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from St. Louis to California
Have a flexible travel schedule? Discover the best time to fly to California from St. Louis with our price prediction graph.
STL-LAS
STL-BUR
STL-SAN
STL-SNA
STL-SMF
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 California
STL-USCA
STL-LAS
STL-BUR
STL-SAN
STL-SNA
What is the cheapest month to book a flight from St. Louis to California?
Currently, December is the cheapest month in which you can book a flight from St. Louis to California (average of $95). Flying from St. Louis to California in October is currently the most expensive (average of $851). 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 CA?
Find hourly flight availability from St. Louis to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2026.
It’s optimal to fly from St. Louis to California in the afternoon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from St. Louis to California
Explore weekly flight availability from St. Louis to California. 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 15, 2026.
The most flights from STL to USCA are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from St. Louis to California?
How far ahead should I book a flight from St. Louis to California?
The best time to book flights from St. Louis to California is 57 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 day to fly from St. Louis to California?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to California. Price data was last updated on February 17, 2026.
Travelers seeking maximum savings on their St. Louis to California flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. 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 California. Reviews last updated June 15, 2026.
Read through reviews of airlines operating flights from St. Louis to California, such as Southwest,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Crew
8.6
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 California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to California
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Complete your trip
Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from St. Louis to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and California flights
Browse other St. Louis and California flight options. Last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to California flights
Consider these flights traveling from St. Louis to California.
Top 7 airlines flying from St. Louis to California
Discover the top 7 airlines that operate flights from St. Louis to California. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$182 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$477 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$304 | Average$384 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$347 | Average$531 | FlexibilityNo cancel fee | On-time75% |