$67+ Cheap flights from California to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
May 9 — May 161
Round-trip
1 adult, Economy
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Find cheap flights from California to Missouri with Cheapflights
1. Tell us where you want to go
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Cheapest flights from California to MissouriExplore the most affordable flight options available from California to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.
Explore the most affordable flight options available from California to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/15:33 pm
ONT
- STL
1 stop23h 59m
Frontier
Mon 5/48:17 pm
STL
- ONT
1 stop15h 48m
Frontier
Deal found 4/7![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 4/2412:59 am
ONT
- STL
1 stop16h 33m
Frontier
Mon 4/278:17 pm
STL
- ONT
1 stop29h 38m
Frontier
Deal found 4/5![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 6/36:25 am
SAN
- STL
1 stop10h 58m
Frontier
Mon 6/88:08 pm
STL
- SAN
1 stop29h 45m
Frontier
Deal found 4/5![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:59 am
ONT
- MCI
1 stop11h 07m
Frontier
Wed 5/62:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/9![Frontier logo]()
$151
This Trip.com deal was found by Cheapflights users on 4/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:59 am
ONT
- STL
1 stop16h 33m
Frontier
Thu 5/712:36 pm
STL
- ONT
1 stop8h 56m
Frontier
Deal found 4/6![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/202:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/6![Frontier logo]()
$159
This CheapOair deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:50 am
ONT
- STL
1 stop6h 33m
Frontier
Tue 5/126:51 pm
STL
- ONT
1 stop22h 53m
Frontier
Deal found 4/4![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/9. 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.
Tue 5/56:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Sat 5/92:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/9![Frontier logo]()
$160
This Expedia deal was found by Cheapflights users on 4/7. 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.
Thu 5/710:04 pm
SAN
- STL
1 stop20h 19m
Frontier
Thu 5/1412:36 pm
STL
- SAN
1 stop10h 28m
Frontier
Deal found 4/7![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Wed 5/66:25 am
SAN
- MCI
1 stop29h 24m
Frontier
Sat 5/92:34 pm
MCI
- SAN
1 stop20h 08m
Frontier
Deal found 4/7![Frontier logo]()
$161
This Booking.com deal was found by Cheapflights users on 4/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:39 pm
ONT
- STL
1 stop23h 27m
Frontier
Fri 5/89:18 pm
STL
- ONT
1 stop19h 51m
Frontier
Deal found 4/6![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 4/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:25 am
SAN
- STL
1 stop10h 58m
Frontier
Tue 5/126:51 pm
STL
- SAN
1 stop28h 13m
Frontier
Deal found 4/8![Frontier logo]()
$162
Best flights from California to MissouriDiscover carefully curated flight deals from California to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
Discover carefully curated flight deals from California to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
This CheapOair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:36 am
ONT
- STL
1 stop28h 30m
Frontier
Thu 5/1412:36 pm
STL
- ONT
1 stop8h 56m
Frontier
Deal found 4/8![Frontier logo]()
$171
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/73:35 pm
SAN
- MCI
1 stop6h 00m
Southwest
Mon 5/113:20 pm
MCI
- SAN
1 stop6h 25m
Southwest
Deal found 4/5![Southwest logo]()
$272
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/102:00 pm
SAN
- MCI
1 stop7h 52m
Delta
Mon 9/147:40 pm
MCI
- SAN
1 stop6h 02m
Delta
Deal found 4/5![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 7/710:13 am
SMF
- STL
2 stops8h 30m
United Airlines
Tue 7/147:23 pm
STL
- SMF
1 stop6h 36m
United Airlines
Deal found 4/5![United Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:52 pm
SMF
- STL
1 stop9h 07m
Alaska Airlines
Wed 5/64:46 pm
STL
- SMF
1 stop9h 10m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$337
This Expedia deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:30 pm
ONT
- STL
1 stop26h 41m
Frontier
Sun 6/78:08 pm
STL
- ONT
1 stop15h 57m
Frontier
Deal found 4/4![Frontier logo]()
$210
This Southwest deal was found by Cheapflights users on 4/8. 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.
Fri 6/126:55 pm
SAN
- MCI
1 stop4h 35m
Southwest
Tue 6/165:05 pm
MCI
- SAN
1 stop6h 25m
Southwest
Deal found 4/8![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:06 am
SAN
- MCI
1 stop9h 56m
Delta
Mon 8/35:37 pm
MCI
- SAN
1 stop7h 53m
Delta
Deal found 4/4![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/410:30 pm
SAN
- MCI
1 stop9h 08m
Delta
Mon 9/71:13 pm
MCI
- SAN
1 stop10h 06m
Delta
Deal found 4/5![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 4/8. 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 10/66:10 am
SMF
- STL
2 stops8h 16m
United Airlines
Sat 10/101:30 pm
STL
- SMF
1 stop6h 15m
United Airlines
Deal found 4/8![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:15 am
SMF
- STL
1 stop5h 15m
Southwest
Sat 5/93:00 pm
STL
- SMF
1 stop6h 45m
Southwest
Deal found 4/4![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/51:00 pm
SAN
- STL
1 stop8h 59m
Alaska Airlines
Wed 5/67:00 am
STL
- SAN
1 stop10h 53m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$367
This Frontier deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
ONT
- MCI
1 stop5h 00m
Frontier
Sun 6/141:45 pm
MCI
- ONT
1 stop12h 04m
Frontier
Deal found 4/4![Frontier logo]()
$335
This Southwest deal was found by Cheapflights users on 4/7. 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 6/185:10 pm
SAN
- MCI
1 stop6h 20m
Southwest
Mon 6/227:10 pm
MCI
- SAN
1 stop6h 00m
Southwest
Deal found 4/7![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 4/8. 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.
Sun 9/135:00 pm
SMF
- STL
1 stop5h 36m
Delta
Tue 9/152:15 pm
STL
- SMF
1 stop5h 52m
Delta
Deal found 4/8![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:55 am
SAN
- MCI
2 stops11h 04m
United Airlines
Tue 5/1211:29 am
MCI
- SAN
1 stop7h 50m
United Airlines
Deal found 4/4![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 4/7. 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 5/2812:30 pm
SNA
- MCI
2 stops8h 20m
Southwest
Mon 6/15:35 pm
MCI
- SNA
1 stop4h 45m
Southwest
Deal found 4/7![Southwest logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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.
Thu 5/77:45 am
SNA
- MCI
2 stops14h 14m
Alaska Airlines
Tue 5/125:11 pm
MCI
- SNA
1 stop7h 19m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/56:20 am
SAN
- STL
2 stops12h 23m
United Airlines
Wed 5/68:46 am
STL
- SAN
1 stop6h 01m
United Airlines
Deal found 4/8![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:45 am
LAX
- MCI
Nonstop3h 16m
Delta
Sun 5/107:26 am
MCI
- LAX
Nonstop3h 40m
Delta
Deal found 4/5![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 4/7. 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.
Mon 5/113:50 pm
SAN
- MCI
1 stop5h 55m
Southwest
Thu 5/1410:45 am
MCI
- SAN
Nonstop3h 25m
Southwest
Deal found 4/7![Southwest logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:10 am
SFO
- MCI
2 stops10h 47m
Alaska Airlines
Wed 5/62:58 pm
MCI
- SFO
1 stop9h 30m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:45 am
SNA
- MCI
2 stops11h 44m
United Airlines
Sat 5/96:00 am
MCI
- SNA
1 stop5h 44m
United Airlines
Deal found 4/4![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 4/6. 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.
Thu 6/255:01 pm
SAN
- MCI
1 stop5h 17m
Delta
Mon 6/297:00 am
MCI
- SAN
1 stop8h 21m
Delta
Deal found 4/6![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 4/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:40 am
SAN
- MCI
Nonstop3h 10m
Southwest
Mon 6/18:20 pm
MCI
- SAN
1 stop4h 45m
Southwest
Deal found 4/6![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/197:00 am
SNA
- MCI
1 stop7h 15m
United Airlines
Sat 5/236:00 am
MCI
- SNA
1 stop5h 07m
United Airlines
Deal found 4/5![United Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 4/8. 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.
Thu 5/214:57 pm
ONT
- MCI
1 stop5h 28m
Delta
Wed 5/276:40 am
MCI
- ONT
1 stop7h 39m
Delta
Deal found 4/8![Delta logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 5/56:00 am
ONT
- STL
1 stop15h 59m
Alaska Airlines
Sat 5/97:00 am
STL
- ONT
1 stop9h 32m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$471
This Southwest deal was found by Cheapflights users on 4/7. 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.
Sat 6/2711:05 pm
SMF
- STL
1 stop6h 40m
Southwest
Sun 7/57:35 pm
STL
- SMF
1 stop6h 35m
Southwest
Deal found 4/7![Southwest logo]()
$358
This United Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:39 pm
SNA
- MCI
2 stops12h 02m
United Airlines
Wed 5/137:00 am
MCI
- SNA
1 stop9h 22m
United Airlines
Deal found 4/4![United Airlines logo]()
$421
Last-minute flights from California to MissouriDiscover last-minute flight deals from California to Missouri. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from California to Missouri. Data last updated April 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 4/2412:59 am
ONT
- STL
1 stop16h 33m
Frontier
Mon 4/278:17 pm
STL
- ONT
1 stop29h 38m
Frontier
Deal found 4/5![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/15:33 pm
ONT
- STL
1 stop23h 59m
Frontier
Mon 5/48:17 pm
STL
- ONT
1 stop15h 48m
Frontier
Deal found 4/7![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:59 am
ONT
- MCI
1 stop11h 07m
Frontier
Wed 5/62:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/9![Frontier logo]()
$151
This Trip.com deal was found by Cheapflights users on 4/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:59 am
ONT
- STL
1 stop16h 33m
Frontier
Thu 5/712:36 pm
STL
- ONT
1 stop8h 56m
Frontier
Deal found 4/6![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 4/9. 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.
Tue 5/56:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Sat 5/92:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/9![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:39 pm
ONT
- STL
1 stop23h 27m
Frontier
Fri 5/89:18 pm
STL
- ONT
1 stop19h 51m
Frontier
Deal found 4/6![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Wed 5/66:25 am
SAN
- MCI
1 stop29h 24m
Frontier
Sat 5/92:34 pm
MCI
- SAN
1 stop20h 08m
Frontier
Deal found 4/7![Frontier logo]()
$161
This Expedia deal was found by Cheapflights users on 4/7. 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.
Thu 5/710:04 pm
SAN
- STL
1 stop20h 19m
Frontier
Thu 5/1412:36 pm
STL
- SAN
1 stop10h 28m
Frontier
Deal found 4/7![Frontier logo]()
$160
This Orbitz deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:04 pm
ONT
- STL
1 stop26h 19m
Frontier
Sun 5/1012:36 pm
STL
- ONT
1 stop21h 13m
Frontier
Deal found 4/4![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/202:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/6![Frontier logo]()
$159
This CheapOair deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:50 am
ONT
- STL
1 stop6h 33m
Frontier
Tue 5/126:51 pm
STL
- ONT
1 stop22h 53m
Frontier
Deal found 4/4![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:25 am
SAN
- STL
1 stop10h 58m
Frontier
Tue 5/126:51 pm
STL
- SAN
1 stop28h 13m
Frontier
Deal found 4/8![Frontier logo]()
$162
One-way flights from California to MissouriSearch for one-way flight options from California to Missouri. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
Search for one-way flight options from California to Missouri. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Trip.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:59 am
ONT
- STL
1 stop16h 33m
Frontier
Deal found 4/8![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/910:50 am
ONT
- STL
1 stop6h 33m
Frontier
Deal found 4/5![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Deal found 4/6![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:25 am
SAN
- MCI
1 stop29h 24m
Frontier
Deal found 4/6![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Sat 5/96:25 am
SAN
- STL
1 stop10h 58m
Frontier
Deal found 4/8![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:25 am
SAN
- STL
1 stop10h 58m
Frontier
Deal found 4/6![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 4/8. 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.
Sat 5/96:25 am
SAN
- MCI
1 stop5h 24m
Frontier
Deal found 4/8![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Deal found 4/6![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:25 am
SAN
- STL
1 stop6h 11m
Frontier
Deal found 4/6![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:38 pm
SFO
- MCI
1 stop10h 20m
Frontier
Deal found 4/4![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:33 pm
ONT
- MCI
1 stop18h 33m
Frontier
Deal found 4/6![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:00 am
ONT
- STL
1 stop11h 23m
Frontier
Deal found 4/4![Frontier logo]()
$85
Find flight deals from California to Missouri
Keep the following information in mind while searching for California to Missouri flight deals. Data was last updated April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $135 (Kiwi.com) |
One-way from | $67 (Trip.com) |
Popular in | March |
Cheapest in | October |
Average price | $432 |
Good round-trip deal | $316 or less |
Good one-way deal | $179 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 9, 2026.
Use the filters below to find and compare flights from California to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSt. Louis
ONT - STL
ONTSTL
Ontario
Mon 5/11
11:36 am-6:06 pm
1 stop28h 30m
Lambert-St Louis
Thu 5/14
12:36 pm-7:32 pm
1 stop8h 56m
$171
OntarioSt. Louis
ONT - STL
ONTSTL
Ontario
Thu 6/4
3:30 pm-8:11 pm
1 stop26h 41m
Lambert-St Louis
Sun 6/7
8:08 pm-10:05 am
1 stop15h 57m
$210
San DiegoKansas City
SAN - MCI
SANMCI
San Diego
Thu 5/7
3:35 pm-11:35 pm
1 stop6h 00m
Kansas City
Mon 5/11
3:20 pm-7:45 pm
1 stop6h 25m
$272
San DiegoKansas City
SAN - MCI
SANMCI
San Diego
Thu 9/10
2:00 pm-11:52 pm
1 stop7h 52m
Kansas City
Mon 9/14
7:40 pm-11:42 pm
1 stop6h 02m
$277
San DiegoKansas City
SAN - MCI
SANMCI
San Diego
Fri 6/12
6:55 pm-1:30 am
1 stop4h 35m
Kansas City
Tue 6/16
5:05 pm-9:30 pm
1 stop6h 25m
$277
San DiegoKansas City
SAN - MCI
SANMCI
San Diego
Tue 7/14
11:06 am-11:02 pm
1 stop9h 56m
Kansas City
Mon 8/3
5:37 pm-11:30 pm
1 stop7h 53m
$277
San DiegoKansas City
SAN - MCI
SANMCI
San Diego
Fri 9/4
10:30 pm-9:38 am
1 stop9h 08m
Kansas City
Mon 9/7
1:13 pm-9:19 pm
1 stop10h 06m
$277
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Sat 5/2
9:15 am-4:30 pm
1 stop5h 15m
Lambert-St Louis
Sat 5/9
3:00 pm-7:45 pm
1 stop6h 45m
$317
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Tue 7/7
10:13 am-8:43 pm
2 stops8h 30m
Lambert-St Louis
Tue 7/14
7:23 pm-11:59 pm
1 stop6h 36m
$322
San DiegoKansas City
SAN - MCI
SANMCI
San Diego
Thu 6/18
5:10 pm-1:30 am
1 stop6h 20m
Kansas City
Mon 6/22
7:10 pm-11:10 pm
1 stop6h 00m
$328
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from California with our price prediction graph.
ONT-STL
SAN-STL
ONT-MCI
SAN-MCI
SFO-MCI
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 California to Missouri
USCA-USMO
ONT-STL
SAN-STL
ONT-MCI
SAN-MCI
What is the cheapest month to book a flight from California to Missouri?
Currently, June is the cheapest month in which you can book a flight from California to Missouri (average of $60). Flying from California to Missouri in March is currently the most expensive (average of $174). 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 CA to MO?
Find hourly flight availability from California to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 9, 2026.
A simple way to save on the total cost of your ticket is to fly from California to Missouri in the evening. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from California to Missouri?
Use this chart to determine the cheapest time to fly round-trip from California to Missouri. Price data was last updated on April 4, 2026.
Travelers seeking maximum savings on their California to Missouri flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from California to Missouri
Explore weekly flight availability from California to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 9, 2026.
The most flights from USCA to USMO are scheduled on a Tuesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from California to Missouri?
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated April 9, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from California to Missouri to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from California to Missouri. 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 California to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Missouri by cabin class
Find flights from California to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Missouri flights
Browse other California and Missouri flight options. Last updated on April 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Missouri
Find the right flight back to California after your stay in Missouri
California to Missouri flights
Consider these flights traveling from California to Missouri.
Top 9 airlines flying from California to Missouri
Discover the top 9 airlines that operate flights from California to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$256 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$98 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$104 | Average$235 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$257 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$169 | Average$435 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$463 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$209 | Average$406 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$447 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$578 | FlexibilityNo cancel fee | On-time75% |