$70+ Cheap flights from Missouri to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — STL
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to St. Louis 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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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 Missouri to St. Louis
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Cheapest flights from Missouri to St. LouisExplore the most affordable flight options available from Missouri to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Missouri to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Sun 7/126:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/10![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:58 pm
MCI
- STL
1 stop26h 25m
Frontier
Tue 7/146:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/10![Frontier logo]()
$227
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Wed 7/88:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/10![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Tue 8/41:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Sat 8/87:10 pm
STL
- MCI
1 stop20h 37m
Frontier
Deal found 6/7![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 8/76:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Sun 8/98:08 pm
STL
- MCI
2 stops21h 02m
Frontier
Deal found 6/6![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:07 pm
MCI
- STL
1 stop23h 30m
Multiple Airlines
Wed 7/154:57 pm
STL
- MCI
2 stops40h 53m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$269
This CheapOair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Sat 7/118:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/9![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Fri 7/31:45 pm
MCI
- STL
1 stop5h 08m
Frontier
Mon 7/68:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/7![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 10/21:04 pm
COU
- STL
2 stops44h 36m
Multiple Airlines
Thu 10/88:34 pm
STL
- COU
1 stop17h 47m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 10/21:04 pm
COU
- STL
2 stops44h 36m
Multiple Airlines
Sun 10/118:34 pm
STL
- COU
1 stop15h 05m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:32 am
COU
- STL
1 stop8h 54m
American Airlines
Tue 7/146:55 am
STL
- COU
1 stop14h 06m
American Airlines
Deal found 6/10![American Airlines logo]()
$502
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:00 am
COU
- STL
1 stop50h 23m
American Airlines
Sun 8/164:54 pm
STL
- COU
1 stop19h 19m
American Airlines
Deal found 6/11![American Airlines logo]()
$549
Best flights from Missouri to St. LouisDiscover carefully curated flight deals from Missouri to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Missouri to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Sat 7/118:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/6![Frontier logo]()
$274
This Southwest deal was found by Cheapflights users on 6/9. 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.
Tue 7/71:45 pm
MCI
- STL
Nonstop1h 05m
Southwest
Tue 7/148:25 am
STL
- MCI
1 stop4h 45m
Southwest
Deal found 6/9![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:43 pm
MCI
- STL
1 stop7h 03m
United Airlines
Wed 8/268:00 am
STL
- MCI
1 stop4h 20m
United Airlines
Deal found 6/10![United Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:32 am
COU
- STL
1 stop8h 54m
American Airlines
Tue 7/146:55 am
STL
- COU
1 stop14h 06m
American Airlines
Deal found 6/10![American Airlines logo]()
$502
This Southwest deal was found by Cheapflights users on 6/7. 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.
Sun 8/238:15 am
MCI
- STL
Nonstop1h 05m
Southwest
Mon 8/242:20 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/7![Southwest logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:45 pm
MCI
- STL
2 stops19h 12m
Frontier
Sun 7/266:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/11![Frontier logo]()
$369
This Southwest deal was found by Cheapflights users on 6/8. 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 7/215:20 pm
MCI
- STL
Nonstop1h 05m
Southwest
Thu 7/234:45 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/8![Southwest logo]()
$381
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:05 am
MCI
- STL
Nonstop1h 05m
Southwest
Sun 7/265:45 am
STL
- MCI
1 stop4h 35m
Southwest
Deal found 6/11![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 6/6. 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.
Fri 8/71:40 pm
MCI
- STL
1 stop5h 30m
Southwest
Sun 8/99:10 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/6![Southwest logo]()
$411
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:00 am
COU
- STL
1 stop50h 23m
American Airlines
Sun 8/164:54 pm
STL
- COU
1 stop19h 19m
American Airlines
Deal found 6/11![American Airlines logo]()
$549
This Southwest deal was found by Cheapflights users on 6/7. 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 7/96:10 pm
MCI
- STL
Nonstop1h 05m
Southwest
Sat 7/114:20 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/7![Southwest logo]()
$411
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:32 pm
COU
- STL
1 stop18h 18m
American Airlines
Mon 8/37:56 pm
STL
- COU
1 stop22h 05m
American Airlines
Deal found 6/11![American Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/110:49 am
COU
- STL
1 stop12h 40m
United Airlines
Tue 7/78:00 am
STL
- COU
1 stop15h 33m
United Airlines
Deal found 6/9![United Airlines logo]()
$642
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:32 pm
COU
- STL
1 stop42h 19m
American Airlines
Sun 7/125:58 pm
STL
- COU
1 stop27h 03m
American Airlines
Deal found 6/7![American Airlines logo]()
$574
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 6/293:25 pm
COU
- STL
1 stop22h 58m
United Airlines
Sat 7/49:11 am
STL
- COU
1 stop11h 28m
United Airlines
Deal found 6/9![United Airlines logo]()
$691
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:20 am
COU
- STL
1 stop17h 56m
American Airlines
Sat 7/187:02 am
STL
- COU
1 stop26h 59m
American Airlines
Deal found 6/7![American Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 10/66:15 am
COU
- STL
1 stop8h 02m
United Airlines
Sat 10/106:00 am
STL
- COU
1 stop16h 55m
United Airlines
Deal found 6/6![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 10/66:15 am
COU
- STL
1 stop8h 02m
United Airlines
Fri 10/95:36 pm
STL
- COU
1 stop17h 01m
United Airlines
Deal found 6/6![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 10/76:15 am
COU
- STL
1 stop9h 06m
United Airlines
Sat 10/1011:35 am
STL
- COU
1 stop11h 20m
United Airlines
Deal found 6/6![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/48:00 am
COU
- STL
1 stop9h 27m
United Airlines
Thu 7/97:20 am
STL
- COU
1 stop7h 30m
United Airlines
Deal found 6/9![United Airlines logo]()
$715
Last-minute flights from Missouri to St. LouisDiscover last-minute flight deals from Missouri to St. Louis. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to St. Louis. Data last updated June 11, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/8. 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.
Thu 6/251:45 pm
MCI
- STL
1 stop5h 08m
Frontier
Sun 6/287:38 pm
STL
- MCI
1 stop17h 22m
Frontier
Deal found 6/8![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Wed 7/88:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/10![Frontier logo]()
$240
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
COU
- STL
1 stop14h 32m
American Airlines
Mon 7/69:08 am
STL
- COU
1 stop24h 53m
American Airlines
Deal found 6/9![American Airlines logo]()
$554
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Fri 7/31:45 pm
MCI
- STL
1 stop5h 08m
Frontier
Mon 7/68:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/7![Frontier logo]()
$279
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:32 pm
COU
- STL
1 stop42h 19m
American Airlines
Sun 7/125:58 pm
STL
- COU
1 stop27h 03m
American Airlines
Deal found 6/7![American Airlines logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:58 pm
MCI
- STL
1 stop26h 25m
Frontier
Tue 7/146:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/10![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:07 pm
MCI
- STL
1 stop23h 30m
Multiple Airlines
Wed 7/154:57 pm
STL
- MCI
2 stops40h 53m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:32 am
COU
- STL
1 stop8h 54m
American Airlines
Tue 7/146:55 am
STL
- COU
1 stop14h 06m
American Airlines
Deal found 6/10![American Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Sun 7/126:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/10![Frontier logo]()
$179
This CheapOair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Sat 7/118:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/9![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/211:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Thu 7/236:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/8![Frontier logo]()
$310
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:32 pm
COU
- STL
1 stop18h 18m
American Airlines
Mon 8/37:56 pm
STL
- COU
1 stop22h 05m
American Airlines
Deal found 6/11![American Airlines logo]()
$564
One-way flights from Missouri to St. LouisSearch for one-way flight options from Missouri to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Missouri to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Trip.com deal was found by Cheapflights users on 6/6. 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 7/36:16 pm
MCI
- STL
1 stop14h 36m
Frontier
Deal found 6/6![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/176:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Deal found 6/7![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/8![Frontier logo]()
$77
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/8![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Wed 7/16:16 pm
MCI
- STL
1 stop23h 14m
Frontier
Deal found 6/8![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/96:11 pm
MCI
- STL
1 stop15h 29m
Frontier
Deal found 6/9![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 6/8. 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.
Fri 7/316:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Deal found 6/8![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 9/56:19 pm
MCI
- STL
1 stop23h 11m
Frontier
Deal found 6/8![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/2211:44 am
COU
- STL
3 stops45h 13m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$218
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:36 am
COU
- STL
1 stop33h 56m
American Airlines
Deal found 6/9![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:32 am
COU
- STL
1 stop13h 44m
American Airlines
Deal found 6/9![American Airlines logo]()
$376
Find flight deals from Missouri to St. Louis
Keep the following information in mind while searching for Missouri to St. Louis flight deals. Data was last updated June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $179 (Kiwi.com) |
One-way from | $70 (Trip.com) |
Popular in | February |
Cheapest in | November |
Average price | $522 |
Good round-trip deal | $386 or less |
Good one-way deal | $187 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Missouri to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Fri 7/10
1:45 pm-7:23 pm
1 stop5h 38m
Lambert-St Louis
Sat 7/11
8:08 pm-1:00 pm
1 stop16h 52m
$274
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 7/7
1:45 pm-2:50 pm
Nonstop1h 05m
Lambert-St Louis
Tue 7/14
8:25 am-1:10 pm
1 stop4h 45m
$342
Quickest round-trip
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Sun 8/23
8:15 am-9:20 am
Nonstop1h 05m
Lambert-St Louis
Mon 8/24
2:20 pm-3:25 pm
Nonstop1h 05m
$364
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 7/23
1:45 pm-8:57 am
2 stops19h 12m
Lambert-St Louis
Sun 7/26
6:34 pm-5:10 pm
1 stop22h 36m
$369
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 7/21
5:20 pm-6:25 pm
Nonstop1h 05m
Lambert-St Louis
Thu 7/23
4:45 pm-5:50 pm
Nonstop1h 05m
$381
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 7/23
8:05 am-9:10 am
Nonstop1h 05m
Lambert-St Louis
Sun 7/26
5:45 am-10:20 am
1 stop4h 35m
$411
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Fri 8/7
1:40 pm-7:10 pm
1 stop5h 30m
Lambert-St Louis
Sun 8/9
9:10 pm-10:15 pm
Nonstop1h 05m
$411
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 7/9
6:10 pm-7:15 pm
Nonstop1h 05m
Lambert-St Louis
Sat 7/11
4:20 pm-5:25 pm
Nonstop1h 05m
$411
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 8/25
1:43 pm-8:46 pm
1 stop7h 03m
Lambert-St Louis
Wed 8/26
8:00 am-12:20 pm
1 stop4h 20m
$421
ColumbiaSt. Louis
COU - STL
COUSTL
Columbia Regional
Wed 7/8
10:32 am-7:26 pm
1 stop8h 54m
Lambert-St Louis
Tue 7/14
6:55 am-9:01 pm
1 stop14h 06m
$502
Showing 1-10 of 33 resultsSorted by cheapest first
Best time to book a flight from Missouri to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Missouri with our price prediction graph.
MCI-STL
COU-STL
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 Missouri to St. Louis
USMO-STL
MCI-STL
COU-STL
What is the cheapest month to book a flight from Missouri to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Missouri to St. Louis (average of $107). Flying from Missouri to St. Louis in August is currently the most expensive (average of $583). 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 MO to STL?
Find hourly flight availability from Missouri to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 11, 2026.
When flying from Missouri to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Missouri to St. Louis?
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 11, 2026.
Get a feel of what it's like to fly with Southwest from Missouri to St. Louis by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Missouri to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Missouri and St. Louis flights
Browse other Missouri and St. Louis flight options. Last updated on June 11, 2026.
Popular flight searches
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
Missouri to St. Louis flights
Consider these flights traveling from Missouri to St. Louis.
Top airline flying from Missouri to St. Louis
Discover the top airline that operate flights from Missouri to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$513 | FlexibilityNo cancel fee | On-time63% |