$63+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Sep 11 — Sep 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
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 California
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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 August 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 August 12, 2026.
This Frontier deal was found by Cheapflights users on 8/10. 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.
Sat 9/2612:17 pm -
Nonstop3h 35m
Thu 10/16:00 am -
Nonstop3h 17m
Deal found 8/10![Frontier logo]()
$140
This Super.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/1112:17 pm -
Nonstop3h 35m
Mon 9/146:00 am -
Nonstop3h 17m
Deal found 8/10![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 9/2612:17 pm -
Nonstop3h 35m
Tue 9/298:44 pm -
1 stop20h 33m
Deal found 8/11![Frontier logo]()
$162
This Super.com deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:45 pm -
Nonstop3h 35m
Sat 9/126:15 am -
Nonstop3h 17m
Deal found 8/10![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/1912:17 pm -
Nonstop3h 35m
Thu 9/248:44 pm -
1 stop20h 33m
Deal found 8/10![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/76:45 pm -
Nonstop3h 35m
Fri 9/116:45 am -
1 stop10h 32m
Deal found 8/12![Frontier logo]()
$165
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:17 pm -
1 stop6h 17m
Sat 9/1911:45 am -
1 stop5h 32m
Deal found 8/12![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Tue 9/1512:17 pm -
Nonstop3h 35m
Mon 9/216:00 am -
Nonstop3h 17m
Deal found 8/11![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/67:58 pm -
1 stop13h 11m
Thu 9/106:00 am -
Nonstop3h 17m
Deal found 8/11![Frontier logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 10/95:19 pm -
Nonstop3h 43m
Mon 10/127:57 pm -
Nonstop3h 20m
Deal found 8/11![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/67:58 pm -
1 stop5h 45m
Wed 9/96:15 am -
Nonstop3h 17m
Deal found 8/11![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 8/10. 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.
Sat 10/1710:35 am -
1 stop9h 07m
Tue 10/209:12 am -
1 stop8h 03m
Deal found 8/10![Frontier logo]()
$174
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 August 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 August 12, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:20 pm -
1 stop9h 27m
Mon 11/165:00 pm -
1 stop5h 30m
Deal found 8/11![Delta logo]()
$237
This Frontier deal was found by Cheapflights users on 8/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:20 am -
1 stop10h 19m
Mon 9/1411:45 am -
1 stop5h 32m
Deal found 8/7![Frontier logo]()
$252
This Southwest deal was found by Cheapflights users on 8/12. 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.
Sat 10/248:45 am -
Nonstop3h 55m
Sat 10/316:25 am -
1 stop7h 20m
Deal found 8/12![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 1/71:30 pm -
1 stop5h 40m
Wed 2/171:28 pm -
1 stop6h 27m
Deal found 8/8![United Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 9/118:10 pm -
2 stops20h 22m
Mon 9/148:28 pm -
1 stop13h 04m
Deal found 8/7![Multiple Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:43 am -
1 stop6h 27m
Wed 9/161:01 pm -
1 stop5h 51m
Deal found 8/12![American Airlines logo]()
$318
This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:08 pm -
2 stops23h 38m
Mon 9/144:23 pm -
2 stops22h 47m
Deal found 8/7![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 8/12. 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.
Tue 9/2210:05 am -
2 stops13h 46m
Sat 9/2612:43 pm -
2 stops8h 33m
Deal found 8/12![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 8/10. 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 9/116:25 pm -
1 stop6h 40m
Mon 9/143:25 pm -
1 stop7h 15m
Deal found 8/10![Southwest logo]()
$284
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:19 pm -
Nonstop3h 43m
Wed 10/1411:16 pm -
1 stop8h 24m
Deal found 8/12![Frontier logo]()
$292
This Delta deal was found by Cheapflights users on 8/12. 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.
Thu 9/36:00 am -
1 stop9h 01m
Tue 9/82:06 pm -
1 stop7h 36m
Deal found 8/12![Delta logo]()
$287
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/108:30 am -
2 stops9h 21m
Tue 9/157:00 am -
1 stop9h 04m
Deal found 8/11![American Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Tue 12/14:30 pm -
1 stop6h 38m
Sun 12/61:58 pm -
1 stop6h 08m
Deal found 8/8![United Airlines logo]()
$332
This Super.com deal was found by Cheapflights users on 8/7. 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.
Thu 8/277:58 pm -
1 stop5h 52m
Sat 8/297:56 pm -
1 stop21h 17m
Deal found 8/7![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Wed 10/712:17 pm -
1 stop21h 20m
Mon 10/129:06 pm -
1 stop26h 11m
Deal found 8/9![Multiple Airlines logo]()
$347
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:34 pm -
1 stop8h 14m
Fri 9/251:10 pm -
1 stop9h 17m
Deal found 8/12![American Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 8/10. 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 9/94:05 pm -
1 stop6h 50m
Wed 9/161:00 pm -
1 stop5h 25m
Deal found 8/10![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 8/12. 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.
Fri 9/46:00 am -
1 stop9h 01m
Tue 9/82:06 pm -
1 stop7h 36m
Deal found 8/12![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 8/226:00 am -
2 stops11h 13m
Sun 8/2312:44 pm -
1 stop6h 02m
Deal found 8/7![United Airlines logo]()
$342
This Priceline deal was found by Cheapflights users on 8/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
1 stop8h 14m
Sun 11/12:58 pm -
1 stop5h 41m
Deal found 8/7![Multiple Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 8/11. 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.
Fri 9/256:00 am -
1 stop5h 40m
Fri 10/28:10 am -
1 stop5h 45m
Deal found 8/11![Southwest logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/108:42 am -
1 stop7h 02m
Wed 9/166:15 am -
2 stops8h 19m
Deal found 8/10![United Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 9/216:29 am -
1 stop9h 20m
Thu 9/241:09 pm -
1 stop8h 50m
Deal found 8/7![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/12. 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.
Tue 11/106:40 am -
2 stops14h 23m
Tue 11/177:43 pm -
2 stops11h 36m
Deal found 8/12![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop5h 40m
Mon 9/212:30 pm -
1 stop7h 25m
Deal found 8/7![Southwest logo]()
$337
This American Airlines deal was found by Cheapflights users on 8/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am -
1 stop6h 03m
Sat 9/52:43 pm -
1 stop6h 59m
Deal found 8/8![American Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:02 am -
2 stops14h 25m
Sat 1/911:10 am -
2 stops10h 49m
Deal found 8/12![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/9. 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 9/86:00 am -
1 stop9h 04m
Mon 9/284:55 pm -
1 stop5h 49m
Deal found 8/9![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 8/12. 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.
Sat 9/198:30 am -
Nonstop3h 55m
Tue 9/228:15 am -
1 stop7h 35m
Deal found 8/12![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 12/121:30 pm -
1 stop5h 40m
Sun 12/206:45 am -
1 stop8h 15m
Deal found 8/9![United Airlines logo]()
$383
Last-minute flights from St. Louis to CaliforniaDiscover last-minute flight deals from St. Louis to California. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to California. Data last updated August 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/67:58 pm -
1 stop13h 11m
Thu 9/106:00 am -
Nonstop3h 17m
Deal found 8/11![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/67:58 pm -
1 stop5h 45m
Wed 9/96:15 am -
Nonstop3h 17m
Deal found 8/11![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:45 pm -
Nonstop3h 35m
Sat 9/126:15 am -
Nonstop3h 17m
Deal found 8/10![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/76:45 pm -
Nonstop3h 35m
Fri 9/116:45 am -
1 stop10h 32m
Deal found 8/12![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/1112:17 pm -
Nonstop3h 35m
Mon 9/146:00 am -
Nonstop3h 17m
Deal found 8/10![Frontier logo]()
$151
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:17 pm -
1 stop20h 47m
Sat 9/1911:45 am -
1 stop5h 32m
Deal found 8/12![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:17 pm -
1 stop6h 06m
Sat 9/196:05 am -
1 stop11h 12m
Deal found 8/12![Frontier logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Tue 9/1512:17 pm -
Nonstop3h 35m
Mon 9/216:00 am -
Nonstop3h 17m
Deal found 8/11![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/1912:17 pm -
Nonstop3h 35m
Thu 9/248:44 pm -
1 stop20h 33m
Deal found 8/10![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 8/10. 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.
Sat 9/2612:17 pm -
Nonstop3h 35m
Thu 10/16:00 am -
Nonstop3h 17m
Deal found 8/10![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 9/2612:17 pm -
Nonstop3h 35m
Tue 9/298:44 pm -
1 stop20h 33m
Deal found 8/11![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Wed 9/302:29 pm -
1 stop9h 57m
Tue 10/66:15 am -
Nonstop3h 17m
Deal found 8/11![Frontier logo]()
$172
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 August 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 August 12, 2026.
This Super.com deal was found by Cheapflights users on 8/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:17 pm -
Nonstop3h 35m
Deal found 8/12![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:17 pm -
Nonstop3h 35m
Deal found 8/12![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/118:10 pm -
1 stop25h 28m
Deal found 8/12![Frontier logo]()
$65
This Super.com deal was found by Cheapflights users on 8/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:17 pm -
Nonstop3h 35m
Deal found 8/12![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 8/11. 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.
Mon 10/125:19 pm -
Nonstop3h 43m
Deal found 8/11![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/215:19 pm -
Nonstop3h 43m
Deal found 8/11![Frontier logo]()
$73
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Sun 8/236:45 pm -
Nonstop3h 35m
Deal found 8/11![Frontier logo]()
$74
This Expedia deal was found by Cheapflights users on 8/11. 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.
Mon 8/316:45 pm -
Nonstop3h 35m
Deal found 8/11![Frontier logo]()
$75
This Super.com deal was found by Cheapflights users on 8/11. 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 9/98:10 pm -
1 stop5h 41m
Deal found 8/11![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 8/10. 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 10/128:10 pm -
1 stop5h 49m
Deal found 8/10![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 8/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:42 pm -
1 stop6h 14m
Deal found 8/12![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/1212:17 pm -
Nonstop3h 35m
Deal found 8/12![Frontier logo]()
$80
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 August 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Frontier) |
One-way from | $63 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $439 |
Good round-trip deal | $443 or less |
Good one-way deal | $209 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 August 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. LouisBurbank
STL Lambert-St Louis - BUR Burbank Bob Hope
STLBUR
Lambert-St Louis
Tue 11/10
2:20 pm-9:47 pm
1 stop9h 27m
Burbank Bob Hope
Mon 11/16
5:00 pm-12:30 am
1 stop5h 30m
$237
St. LouisOntario
STL Lambert-St Louis - ONT Ontario
STLONT
Lambert-St Louis
Thu 9/10
10:20 am-6:39 pm
1 stop10h 19m
Ontario
Mon 9/14
11:45 am-7:17 pm
1 stop5h 32m
$252
Quickest round-trip
St. LouisSan Diego
STL Lambert-St Louis - SAN San Diego
STLSAN
Lambert-St Louis
Sat 10/24
8:45 am-10:40 am
Nonstop3h 55m
San Diego
Sat 10/31
6:25 am-3:45 pm
1 stop7h 20m
$262
St. LouisBurbank
STL Lambert-St Louis - BUR Burbank Bob Hope
STLBUR
Lambert-St Louis
Tue 9/22
10:05 am-9:51 pm
2 stops13h 46m
Burbank Bob Hope
Sat 9/26
12:43 pm-11:16 pm
2 stops8h 33m
$268
St. LouisFresno
STL Lambert-St Louis - FAT Fresno Airterminal
STLFAT
Lambert-St Louis
Fri 9/11
6:25 pm-11:05 pm
1 stop6h 40m
Fresno Airterminal
Mon 9/14
3:25 pm-12:40 am
1 stop7h 15m
$284
St. LouisBurbank
STL Lambert-St Louis - BUR Burbank Bob Hope
STLBUR
Lambert-St Louis
Thu 9/3
6:00 am-1:01 pm
1 stop9h 01m
Burbank Bob Hope
Tue 9/8
2:06 pm-11:42 pm
1 stop7h 36m
$287
St. LouisLas Vegas
STL Lambert-St Louis - LAS Las Vegas Harry Reid Intl
STLLAS
Lambert-St Louis
Sun 10/11
5:19 pm-7:02 pm
Nonstop3h 43m
Las Vegas Harry Reid Intl
Wed 10/14
11:16 pm-9:40 am
1 stop8h 24m
$292
St. LouisSan Diego
STL Lambert-St Louis - SAN San Diego
STLSAN
Lambert-St Louis
Thu 1/7
1:30 pm-5:10 pm
1 stop5h 40m
San Diego
Wed 2/17
1:28 pm-9:55 pm
1 stop6h 27m
$302
St. LouisFresno
STL Lambert-St Louis - FAT Fresno Airterminal
STLFAT
Lambert-St Louis
Fri 9/11
8:10 pm-2:32 pm
2 stops20h 22m
Fresno Airterminal
Mon 9/14
8:28 pm-11:32 am
1 stop13h 04m
$306
St. LouisBurbank
STL Lambert-St Louis - BUR Burbank Bob Hope
STLBUR
Lambert-St Louis
Fri 9/4
6:00 am-1:01 pm
1 stop9h 01m
Burbank Bob Hope
Tue 9/8
2:06 pm-11:42 pm
1 stop7h 36m
$308
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-ONT
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, October is the cheapest month in which you can book a flight from St. Louis to California (average of $379). Flying from St. Louis to California in June is currently the most expensive (average of $478). 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 August 12, 2026.
It’s optimal to fly from St. Louis to California in the morning. By choosing this option you can save up to 28% 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 August 12, 2026.
The most flights from STL to USCA are scheduled on a Tuesday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from St. Louis to California?
Airfare is below average for this route at the moment.
St. Louis to California flights typically cost between $362 and $536 in October.The cheapest round-trip price found within the last 5 days was $174 on Frontier (Oct 17-Oct 20).
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 69 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 mornings 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 August 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
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.
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 August 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 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 August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$274 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$182 | Average$427 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$289 | Average$486 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$304 | Average$384 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$385 | Average$560 | FlexibilityNo cancel fee | On-time75% |