$71+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STL
Mar 12 — Mar 191
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
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 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 February 10, 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 February 10, 2026.
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:50 pm
MCI
- STL
Nonstop1h 05m
Southwest
Mon 4/206:45 pm
STL
- MCI
1 stop4h 50m
Southwest
Deal found 2/8![Southwest logo]()
$203
This Southwest deal was found by Cheapflights users on 2/9. 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.
Mon 3/166:00 pm
MCI
- STL
1 stop6h 05m
Southwest
Wed 3/186:10 am
STL
- MCI
1 stop4h 45m
Southwest
Deal found 2/9![Southwest logo]()
$205
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:35 pm
MCI
- STL
1 stop6h 10m
Southwest
Sat 3/712:00 pm
STL
- MCI
1 stop5h 10m
Southwest
Deal found 2/8![Southwest logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Tue 2/244:24 pm
MCI
- STL
2 stops14h 27m
Multiple Airlines
Sat 2/288:17 pm
STL
- MCI
1 stop13h 41m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Mon 3/95:08 pm
MCI
- STL
2 stops30h 11m
Multiple Airlines
Mon 3/168:10 pm
STL
- MCI
1 stop27h 43m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:13 am
MCI
- STL
1 stop19h 37m
Multiple Airlines
Mon 5/118:13 pm
STL
- MCI
2 stops27h 46m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 2/184:39 pm
MCI
- STL
2 stops38h 12m
Frontier
Sat 2/218:17 pm
STL
- MCI
1 stop13h 12m
Frontier
Deal found 2/8![Frontier logo]()
$241
This American Airlines deal was found by Cheapflights users on 2/8. 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 4/49:44 am
MCI
- STL
1 stop5h 44m
American Airlines
Mon 4/66:33 pm
STL
- MCI
1 stop5h 21m
American Airlines
Deal found 2/8![American Airlines logo]()
$256
This CheapOair deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:15 pm
MCI
- STL
1 stop4h 57m
Frontier
Sun 4/268:12 pm
STL
- MCI
1 stop17h 18m
Frontier
Deal found 2/7![Frontier logo]()
$261
This Southwest deal was found by Cheapflights users on 2/7. 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.
Tue 4/288:25 am
MCI
- STL
Nonstop1h 05m
Southwest
Wed 4/298:55 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 2/7![Southwest logo]()
$262
This Southwest deal was found by Cheapflights users on 2/8. 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.
Sat 4/45:45 pm
MCI
- STL
Nonstop1h 05m
Southwest
Mon 4/62:25 pm
STL
- MCI
1 stop4h 35m
Southwest
Deal found 2/8![Southwest logo]()
$272
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 3/96:30 pm
COU
- STL
1 stop29h 14m
American Airlines
Mon 3/169:37 am
STL
- COU
1 stop10h 42m
American Airlines
Deal found 2/8![American Airlines logo]()
$301
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 February 10, 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 February 10, 2026.
This Southwest deal was found by Cheapflights users on 2/7. 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.
Tue 4/284:40 pm
MCI
- STL
1 stop6h 35m
Southwest
Wed 4/298:55 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 2/7![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Tue 2/244:24 pm
MCI
- STL
2 stops14h 27m
Multiple Airlines
Sat 2/288:17 pm
STL
- MCI
1 stop13h 41m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 2/184:39 pm
MCI
- STL
2 stops38h 12m
Frontier
Sat 2/218:17 pm
STL
- MCI
1 stop13h 12m
Frontier
Deal found 2/8![Frontier logo]()
$241
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 3/96:30 pm
COU
- STL
1 stop29h 14m
American Airlines
Mon 3/169:37 am
STL
- COU
1 stop10h 42m
American Airlines
Deal found 2/8![American Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 2/9. 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.
Mon 3/166:00 pm
MCI
- STL
1 stop6h 05m
Southwest
Wed 3/186:10 am
STL
- MCI
1 stop4h 45m
Southwest
Deal found 2/9![Southwest logo]()
$205
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:35 pm
MCI
- STL
1 stop5h 50m
Southwest
Mon 4/206:45 pm
STL
- MCI
1 stop4h 50m
Southwest
Deal found 2/8![Southwest logo]()
$213
This CheapOair deal was found by Cheapflights users on 2/9. 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.
Sun 3/228:40 pm
MCI
- STL
1 stop13h 09m
Frontier
Sat 3/281:58 pm
STL
- MCI
1 stop24h 57m
Frontier
Deal found 2/9![Frontier logo]()
$241
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:35 pm
MCI
- STL
1 stop6h 10m
Southwest
Sat 3/712:00 pm
STL
- MCI
1 stop5h 10m
Southwest
Deal found 2/8![Southwest logo]()
$213
This United Airlines deal was found by Cheapflights users on 2/7. 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 2/218:00 am
COU
- STL
1 stop8h 02m
United Airlines
Wed 2/258:41 am
STL
- COU
1 stop11h 43m
United Airlines
Deal found 2/7![United Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 4/296:00 am
COU
- STL
1 stop16h 17m
American Airlines
Tue 5/125:46 am
STL
- COU
1 stop10h 12m
American Airlines
Deal found 2/7![American Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 2/8. 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.
Sat 4/45:45 pm
MCI
- STL
Nonstop1h 05m
Southwest
Mon 4/62:25 pm
STL
- MCI
1 stop4h 35m
Southwest
Deal found 2/8![Southwest logo]()
$272
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 4/294:28 pm
COU
- STL
1 stop7h 18m
American Airlines
Thu 4/305:46 am
STL
- COU
1 stop27h 57m
American Airlines
Deal found 2/7![American Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 3/76:00 am
COU
- STL
1 stop7h 50m
American Airlines
Sat 3/148:00 am
STL
- COU
1 stop10h 20m
American Airlines
Deal found 2/7![American Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 2/9. 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 2/246:00 am
COU
- STL
1 stop41h 48m
American Airlines
Sat 2/288:00 am
STL
- COU
1 stop49h 28m
American Airlines
Deal found 2/9![American Airlines logo]()
$599
Last-minute flights from Missouri to St. LouisDiscover last-minute flight deals from Missouri to St. Louis. Data last updated February 10, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to St. Louis. Data last updated February 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 2/184:39 pm
MCI
- STL
2 stops38h 12m
Frontier
Sat 2/218:17 pm
STL
- MCI
1 stop13h 12m
Frontier
Deal found 2/8![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sun 2/2210:14 am
MCI
- STL
1 stop20h 37m
Frontier
Thu 2/2610:11 pm
STL
- MCI
2 stops17h 43m
Frontier
Deal found 2/6![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Tue 2/244:24 pm
MCI
- STL
2 stops14h 27m
Multiple Airlines
Sat 2/288:17 pm
STL
- MCI
1 stop13h 41m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$219
This American Airlines deal was found by Cheapflights users on 2/9. 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 2/246:00 am
COU
- STL
1 stop41h 48m
American Airlines
Sat 2/288:00 am
STL
- COU
1 stop49h 28m
American Airlines
Deal found 2/9![American Airlines logo]()
$599
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:35 pm
MCI
- STL
1 stop6h 10m
Southwest
Sat 3/712:00 pm
STL
- MCI
1 stop5h 10m
Southwest
Deal found 2/8![Southwest logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Thu 3/56:54 pm
MCI
- STL
2 stops14h 55m
Frontier
Sat 3/78:12 pm
STL
- MCI
1 stop22h 43m
Frontier
Deal found 2/8![Frontier logo]()
$315
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 3/76:00 am
COU
- STL
1 stop7h 50m
American Airlines
Sat 3/148:00 am
STL
- COU
1 stop10h 20m
American Airlines
Deal found 2/7![American Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 3/84:24 pm
MCI
- STL
2 stops20h 55m
Multiple Airlines
Sun 3/1510:47 pm
STL
- MCI
1 stop14h 37m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Mon 3/95:08 pm
MCI
- STL
2 stops30h 11m
Multiple Airlines
Mon 3/168:10 pm
STL
- MCI
1 stop27h 43m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 2/9. 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.
Mon 3/95:00 am
MCI
- STL
1 stop4h 35m
Southwest
Mon 3/164:05 pm
STL
- MCI
Nonstop1h 10m
Southwest
Deal found 2/9![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 3/96:30 pm
COU
- STL
1 stop29h 14m
American Airlines
Mon 3/169:37 am
STL
- COU
1 stop10h 42m
American Airlines
Deal found 2/8![American Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 2/9. 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.
Mon 3/166:00 pm
MCI
- STL
1 stop6h 05m
Southwest
Wed 3/186:10 am
STL
- MCI
1 stop4h 45m
Southwest
Deal found 2/9![Southwest logo]()
$205
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 February 10, 2026.
Search for one-way flight options from Missouri to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/82:15 pm
MCI
- STL
1 stop28h 57m
Frontier
Deal found 2/9![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/2711:00 am
MCI
- STL
1 stop19h 51m
Frontier
Deal found 2/9![Frontier logo]()
$76
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:00 am
MCI
- STL
1 stop6h 43m
United Airlines
Deal found 2/8![United Airlines logo]()
$79
This Frontier deal was found by Cheapflights users on 2/9. 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.
Thu 5/72:15 pm
MCI
- STL
1 stop4h 57m
Frontier
Deal found 2/9![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 2/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:43 pm
MCI
- STL
1 stop13h 05m
Frontier
Deal found 2/7![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Tue 3/34:24 pm
MCI
- STL
1 stop30h 03m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$93
This Southwest deal was found by Cheapflights users on 2/9. 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.
Sat 4/116:55 am
MCI
- STL
Nonstop1h 05m
Southwest
Deal found 2/9![Southwest logo]()
$97
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 4/85:00 pm
MCI
- STL
1 stop4h 47m
United Airlines
Deal found 2/8![United Airlines logo]()
$99
This Frontier deal was found by Cheapflights users on 2/6. 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 5/42:15 pm
MCI
- STL
1 stop4h 57m
Frontier
Deal found 2/6![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/2711:26 am
MCI
- STL
2 stops19h 25m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sun 5/311:13 am
MCI
- STL
1 stop19h 37m
Frontier
Deal found 2/6![Frontier logo]()
$103
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 2/215:41 pm
COU
- STL
1 stop30h 07m
American Airlines
Deal found 2/7![American Airlines logo]()
$313
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 February 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $203 (Southwest) |
One-way from | $71 (Kiwi.com) |
Popular in | January |
Cheapest in | November |
Average price | $602 |
Good round-trip deal | $396 or less |
Good one-way deal | $226 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 February 10, 2026.
Use the filters below to find and compare flights from Missouri to St. Louis that are best for you.
Fly from
Missouri
Fly to
St. Louis
Route
Depart
Return
Price
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 4/28
4:40 pm-11:15 pm
1 stop6h 35m
Lambert-St Louis
Wed 4/29
8:55 pm-10:00 pm
Nonstop1h 05m
$203
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Mon 3/16
6:00 pm-12:05 am
1 stop6h 05m
Lambert-St Louis
Wed 3/18
6:10 am-10:55 am
1 stop4h 45m
$205
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 4/16
5:35 pm-11:25 pm
1 stop5h 50m
Lambert-St Louis
Mon 4/20
6:45 pm-11:35 pm
1 stop4h 50m
$213
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 3/5
5:35 pm-11:45 pm
1 stop6h 10m
Lambert-St Louis
Sat 3/7
12:00 pm-5:10 pm
1 stop5h 10m
$213
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 2/24
4:24 pm-6:51 am
2 stops14h 27m
Lambert-St Louis
Sat 2/28
8:17 pm-9:58 am
1 stop13h 41m
$219
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Wed 2/18
4:39 pm-6:51 am
2 stops38h 12m
Lambert-St Louis
Sat 2/21
8:17 pm-9:29 am
1 stop13h 12m
$241
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Sun 3/22
8:40 pm-9:49 am
1 stop13h 09m
Lambert-St Louis
Sat 3/28
1:58 pm-2:55 pm
1 stop24h 57m
$241
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Sat 4/4
5:45 pm-6:50 pm
Nonstop1h 05m
Lambert-St Louis
Mon 4/6
2:25 pm-7:00 pm
1 stop4h 35m
$272
ColumbiaSt. Louis
COU - STL
COUSTL
Columbia Regional
Mon 3/9
6:30 pm-11:44 pm
1 stop29h 14m
Lambert-St Louis
Mon 3/16
9:37 am-8:19 pm
1 stop10h 42m
$301
ColumbiaSt. Louis
COU - STL
COUSTL
Columbia Regional
Wed 4/29
6:00 am-10:17 pm
1 stop16h 17m
Lambert-St Louis
Tue 5/12
5:46 am-3:58 pm
1 stop10h 12m
$338
Showing 1-10 of 27 results
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, May is the cheapest month in which you can book a flight from Missouri to St. Louis (average of $97). 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 February 10, 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.
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 February 10, 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.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
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Missouri and St. Louis flights
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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 February 10, 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 February 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$402 | FlexibilityNo cancel fee | On-time63% |