$68+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Apr 11 — Apr 181
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to California 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
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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 March 12, 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 March 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/179:55 pm
STL
- LAS
Nonstop3h 42m
Frontier
Sat 4/187:00 am
LAS
- STL
1 stop10h 32m
Frontier
Deal found 3/8![Frontier logo]()
$148
This Super.com deal was found by Cheapflights users on 3/10. 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.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Thu 4/163:35 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 3/10![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Wed 4/159:20 pm
LAS
- STL
1 stop20h 01m
Frontier
Deal found 3/9![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 3/10. 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.
Mon 4/612:17 pm
STL
- LAS
Nonstop3h 46m
Frontier
Fri 4/106:05 am
LAS
- STL
Nonstop3h 22m
Frontier
Deal found 3/10![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/138:19 pm
STL
- LAS
1 stop21h 23m
Frontier
Sat 4/189:44 am
LAS
- STL
1 stop7h 48m
Frontier
Deal found 3/12![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Tue 4/711:21 am
STL
- LAS
1 stop13h 33m
Frontier
Fri 4/106:05 am
LAS
- STL
Nonstop3h 22m
Frontier
Deal found 3/8![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 3/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Tue 4/712:59 am
LAS
- STL
1 stop6h 49m
Frontier
Deal found 3/9![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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.
Sat 3/2812:14 pm
STL
- LAS
Nonstop3h 57m
Frontier
Tue 3/316:05 am
LAS
- STL
Nonstop3h 14m
Frontier
Deal found 3/10![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Thu 4/912:59 am
LAS
- STL
1 stop6h 49m
Frontier
Deal found 3/8![Frontier logo]()
$164
This Super.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/169:55 pm
STL
- LAS
Nonstop3h 42m
Frontier
Fri 4/173:45 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 3/11![Frontier logo]()
$165
This Expedia deal was found by Cheapflights users on 3/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:16 pm
STL
- ONT
1 stop5h 40m
Frontier
Wed 4/1512:59 am
ONT
- STL
1 stop16h 22m
Frontier
Deal found 3/8![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 3/9. 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.
Sat 5/28:17 pm
STL
- ONT
1 stop13h 09m
Frontier
Fri 5/812:59 am
ONT
- STL
1 stop16h 13m
Frontier
Deal found 3/9![Frontier logo]()
$191
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 March 12, 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 March 12, 2026.
This Orbitz deal was found by Cheapflights users on 3/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:16 pm
STL
- SNA
1 stop26h 03m
Frontier
Mon 5/188:14 pm
SNA
- STL
1 stop19h 52m
Frontier
Deal found 3/11![Frontier logo]()
$210
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:20 pm
STL
- SAN
1 stop6h 05m
Southwest
Mon 6/14:20 pm
SAN
- STL
1 stop6h 10m
Southwest
Deal found 3/8![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Fri 4/106:05 pm
STL
- SAN
1 stop6h 25m
United Airlines
Mon 4/1310:30 pm
SAN
- STL
1 stop7h 55m
United Airlines
Deal found 3/11![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:50 pm
STL
- LAS
1 stop10h 09m
Alaska Airlines
Fri 4/248:54 pm
LAS
- STL
1 stop25h 05m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/212:20 pm
STL
- LAS
2 stops10h 21m
Delta
Tue 4/286:20 am
LAS
- STL
1 stop8h 30m
Delta
Deal found 3/6![Delta logo]()
$289
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:50 am
STL
- LAS
2 stops15h 02m
Multiple Airlines
Mon 4/611:47 pm
LAS
- STL
2 stops16h 49m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:37 am
STL
- LAX
1 stop8h 40m
American Airlines
Tue 4/146:14 pm
LAX
- STL
Nonstop3h 43m
American Airlines
Deal found 3/11![American Airlines logo]()
$445
This CheapOair deal was found by Cheapflights users on 3/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:06 pm
STL
- SMF
1 stop17h 17m
Frontier
Sun 5/311:03 am
SMF
- STL
1 stop6h 18m
Frontier
Deal found 3/7![Frontier logo]()
$272
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:30 am
STL
- SMF
1 stop7h 20m
Southwest
Mon 6/84:40 pm
SMF
- STL
1 stop7h 10m
Southwest
Deal found 3/8![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 3/10. 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 6/47:59 pm
STL
- LAS
1 stop5h 44m
Delta
Mon 6/85:30 pm
LAS
- STL
1 stop5h 06m
Delta
Deal found 3/10![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:30 am
STL
- SMF
2 stops8h 00m
Southwest
Tue 6/93:55 pm
SMF
- STL
1 stop6h 00m
Southwest
Deal found 3/8![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:28 pm
STL
- RNO
1 stop7h 28m
United Airlines
Wed 5/69:16 am
RNO
- STL
1 stop5h 41m
United Airlines
Deal found 3/8![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/9. 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 3/317:15 am
STL
- ONT
1 stop7h 08m
Delta
Sun 4/56:00 am
ONT
- STL
1 stop5h 17m
Delta
Deal found 3/9![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:35 am
STL
- SAN
2 stops7h 45m
Southwest
Sat 5/2312:00 pm
SAN
- STL
1 stop8h 25m
Southwest
Deal found 3/8![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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.
Wed 5/137:41 pm
STL
- OAK
1 stop30h 18m
Alaska Airlines
Mon 5/186:02 am
OAK
- STL
2 stops32h 35m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 3/7. 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.
Wed 5/137:59 pm
STL
- ONT
1 stop5h 35m
Delta
Sat 5/1612:08 pm
ONT
- STL
1 stop7h 21m
Delta
Deal found 3/7![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:59 pm
STL
- LAS
1 stop6h 06m
United Airlines
Sat 5/169:05 am
LAS
- STL
2 stops10h 08m
United Airlines
Deal found 3/8![United Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 5/185:27 pm
STL
- LAX
2 stops32h 49m
Frontier
Tue 6/164:00 pm
LAX
- STL
1 stop23h 45m
Frontier
Deal found 3/11![Frontier logo]()
$368
This Southwest deal was found by Cheapflights users on 3/9. 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.
Thu 5/146:00 pm
STL
- SAN
1 stop6h 00m
Southwest
Sat 5/162:50 pm
SAN
- STL
Nonstop3h 30m
Southwest
Deal found 3/9![Southwest logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 6/97:41 pm
STL
- SFO
1 stop15h 39m
Alaska Airlines
Fri 6/1210:08 pm
SFO
- STL
1 stop16h 25m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 3/10. 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 4/166:45 pm
STL
- SMF
1 stop6h 45m
Delta
Mon 4/207:46 pm
SMF
- STL
2 stops11h 56m
Delta
Deal found 3/10![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Sun 4/57:45 am
STL
- LAS
2 stops14h 01m
United Airlines
Wed 4/812:36 am
LAS
- STL
1 stop6h 49m
United Airlines
Deal found 3/6![United Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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.
Fri 4/244:46 pm
STL
- SJC
1 stop28h 03m
Alaska Airlines
Tue 4/288:00 am
SJC
- STL
1 stop13h 59m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 3/11. 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.
Tue 5/195:35 am
STL
- SAN
2 stops7h 45m
Southwest
Fri 5/224:25 pm
SAN
- STL
1 stop5h 50m
Southwest
Deal found 3/11![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 4/85:25 pm
STL
- RNO
2 stops8h 10m
Delta
Wed 4/157:14 pm
RNO
- STL
2 stops11h 32m
Delta
Deal found 3/9![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:30 am
STL
- SFO
Nonstop4h 43m
United Airlines
Mon 4/1310:50 pm
SFO
- STL
1 stop7h 35m
United Airlines
Deal found 3/7![United Airlines logo]()
$369
This CheapOair deal was found by Cheapflights users on 3/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:18 pm
STL
- ONT
1 stop24h 14m
Frontier
Tue 6/164:08 pm
ONT
- STL
1 stop23h 37m
Frontier
Deal found 3/11![Frontier logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 5/27:00 am
STL
- SJC
1 stop8h 50m
Alaska Airlines
Tue 5/52:44 pm
SJC
- STL
1 stop7h 15m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 3/8. 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.
Tue 5/52:20 pm
STL
- SNA
2 stops10h 08m
Delta
Sat 5/97:45 am
SNA
- STL
1 stop8h 15m
Delta
Deal found 3/8![Delta logo]()
$332
This Southwest deal was found by Cheapflights users on 3/10. 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 4/88:35 am
STL
- SFO
Nonstop4h 25m
Southwest
Wed 4/1511:50 am
SFO
- STL
Nonstop3h 55m
Southwest
Deal found 3/10![Southwest logo]()
$337
Last-minute flights from St. Louis to CaliforniaDiscover last-minute flight deals from St. Louis to California. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to California. Data last updated March 12, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:16 pm
STL
- ONT
1 stop5h 40m
Frontier
Wed 4/1512:59 am
ONT
- STL
1 stop16h 22m
Frontier
Deal found 3/8![Frontier logo]()
$190
This Super.com deal was found by Cheapflights users on 3/10. 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.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Thu 4/163:35 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 3/10![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Wed 4/159:20 pm
LAS
- STL
1 stop20h 01m
Frontier
Deal found 3/9![Frontier logo]()
$157
This Super.com deal was found by Cheapflights users on 3/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Tue 4/712:59 am
LAS
- STL
1 stop6h 49m
Frontier
Deal found 3/9![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Thu 4/96:00 am
LAS
- STL
1 stop25h 48m
Frontier
Deal found 3/7![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Thu 4/912:59 am
LAS
- STL
1 stop6h 49m
Frontier
Deal found 3/8![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 3/10. 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.
Mon 4/612:17 pm
STL
- LAS
Nonstop3h 46m
Frontier
Fri 4/106:05 am
LAS
- STL
Nonstop3h 22m
Frontier
Deal found 3/10![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Tue 4/711:21 am
STL
- LAS
1 stop13h 33m
Frontier
Fri 4/106:05 am
LAS
- STL
Nonstop3h 22m
Frontier
Deal found 3/8![Frontier logo]()
$161
This Booking.com deal was found by Cheapflights users on 3/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:16 pm
STL
- ONT
1 stop5h 40m
Frontier
Wed 4/157:44 pm
ONT
- STL
1 stop23h 16m
Frontier
Deal found 3/9![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/138:19 pm
STL
- LAS
1 stop21h 23m
Frontier
Sat 4/189:44 am
LAS
- STL
1 stop7h 48m
Frontier
Deal found 3/12![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/169:55 pm
STL
- LAS
Nonstop3h 42m
Frontier
Fri 4/173:45 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 3/11![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/179:55 pm
STL
- LAS
Nonstop3h 42m
Frontier
Sat 4/187:00 am
LAS
- STL
1 stop10h 32m
Frontier
Deal found 3/8![Frontier logo]()
$148
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 March 12, 2026.
Search for one-way flight options from St. Louis to California. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This Super.com deal was found by Cheapflights users on 3/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:12 pm
STL
- LAS
Nonstop3h 42m
Frontier
Deal found 3/7![Frontier logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:55 pm
STL
- LAS
Nonstop3h 42m
Frontier
Deal found 3/9![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sat 5/98:12 pm
STL
- SAN
1 stop14h 22m
Frontier
Deal found 3/10![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Wed 4/18:16 pm
STL
- SAN
1 stop13h 36m
Frontier
Deal found 3/10![Frontier logo]()
$73
This Super.com deal was found by Cheapflights users on 3/11. 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.
Mon 4/612:17 pm
STL
- LAS
Nonstop3h 46m
Frontier
Deal found 3/11![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/68:19 pm
STL
- SAN
1 stop29h 43m
Frontier
Deal found 3/10![Frontier logo]()
$78
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:55 pm
STL
- LAS
Nonstop3h 42m
Frontier
Deal found 3/9![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/138:19 pm
STL
- SAN
1 stop25h 45m
Frontier
Deal found 3/7![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/178:06 pm
STL
- LAS
1 stop21h 36m
Frontier
Deal found 3/10![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/108:16 pm
STL
- SAN
1 stop26h 10m
Frontier
Deal found 3/10![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/138:19 pm
STL
- LAS
1 stop21h 23m
Frontier
Deal found 3/12![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 3/10. 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 3/2412:14 pm
STL
- LAS
Nonstop3h 57m
Frontier
Deal found 3/10![Frontier logo]()
$84
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $148 (Kiwi.com) |
One-way from | $68 (Super.com) |
Popular in | March |
Cheapest in | September |
Average price | $417 |
Good round-trip deal | $430 or less |
Good one-way deal | $218 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 March 12, 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. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 5/14
12:16 pm-12:19 pm
1 stop26h 03m
Santa Ana J. Wayne/Orange Cnty
Mon 5/18
8:14 pm-6:06 pm
1 stop19h 52m
$210
St. LouisSan Diego
STL - SAN
STLSAN
Lambert-St Louis
Thu 5/28
7:20 pm-11:25 pm
1 stop6h 05m
San Diego
Mon 6/1
4:20 pm-12:30 am
1 stop6h 10m
$257
St. LouisSacramento
STL - SMF
STLSMF
Lambert-St Louis
Thu 4/30
8:06 pm-11:23 am
1 stop17h 17m
Sacramento Intl
Sun 5/3
11:03 am-7:21 pm
1 stop6h 18m
$272
St. LouisSan Diego
STL - SAN
STLSAN
Lambert-St Louis
Fri 4/10
6:05 pm-10:30 pm
1 stop6h 25m
San Diego
Mon 4/13
10:30 pm-8:25 am
1 stop7h 55m
$277
St. LouisSacramento
STL - SMF
STLSMF
Lambert-St Louis
Tue 6/2
5:30 am-10:50 am
1 stop7h 20m
Sacramento Intl
Mon 6/8
4:40 pm-1:50 am
1 stop7h 10m
$277
St. LouisSacramento
STL - SMF
STLSMF
Lambert-St Louis
Tue 6/2
5:30 am-11:30 am
2 stops8h 00m
Sacramento Intl
Tue 6/9
3:55 pm-11:55 pm
1 stop6h 00m
$282
St. LouisSan Diego
STL - SAN
STLSAN
Lambert-St Louis
Wed 5/20
5:35 am-11:20 am
2 stops7h 45m
San Diego
Sat 5/23
12:00 pm-10:25 pm
1 stop8h 25m
$287
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 4/21
3:50 pm-11:59 pm
1 stop10h 09m
Las Vegas Harry Reid Intl
Fri 4/24
8:54 pm-11:59 pm
1 stop25h 05m
$288
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 4/21
2:20 pm-10:41 pm
2 stops10h 21m
Las Vegas Harry Reid Intl
Tue 4/28
6:20 am-4:50 pm
1 stop8h 30m
$289
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Thu 6/4
7:59 pm-11:43 pm
1 stop5h 44m
Las Vegas Harry Reid Intl
Mon 6/8
5:30 pm-12:36 am
1 stop5h 06m
$293
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-SNA
STL-SAN
STL-LAS
STL-LAX
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-SNA
STL-SAN
STL-LAS
STL-LAX
What is the cheapest month to book a flight from St. Louis to California?
Currently, November is the cheapest month in which you can book a flight from St. Louis to California (average of $67). Flying from St. Louis to California in May is currently the most expensive (average of $211). 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 March 12, 2026.
It’s optimal to fly from St. Louis to California in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight at noon.
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 Wednesday evenings 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.
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 March 12, 2026.
The most flights from STL to USCA are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).
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 March 12, 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.
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
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 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.
Search flights from St. Louis to California by cabin class
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 March 12, 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 8 airlines flying from St. Louis to California
Discover the top 8 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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$173 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$180 | Average$370 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$182 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$448 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$304 | Average$372 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$347 | Average$531 | FlexibilityNo cancel fee | On-time75% |