$61+ Cheap flights from Kansas 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — STL
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Kansas to St. LouisExplore the most affordable flight options available from Kansas to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
Explore the most affordable flight options available from Kansas to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/36:16 pm
MCI
- STL
1 stop14h 36m
Frontier
Fri 7/104:57 pm
STL
- MCI
1 stop24h 13m
Frontier
Deal found 6/5![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/86:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Sun 7/126:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/5![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 9/26:19 pm
MCI
- STL
1 stop23h 11m
Frontier
Wed 9/910:35 am
STL
- MCI
1 stop6h 41m
Frontier
Deal found 6/5![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:16 pm
MCI
- STL
1 stop14h 36m
Frontier
Tue 6/236:31 pm
STL
- MCI
1 stop22h 50m
Frontier
Deal found 6/4![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Thu 8/66:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/4![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 6/5. 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 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
Wed 8/58:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/5![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 6/3. Clicking the “Pick Dates” 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
Wed 7/88:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/3![Frontier logo]()
$271
This CheapOair deal was found by Cheapflights users on 6/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/271:45 pm
MCI
- STL
1 stop5h 08m
Frontier
Mon 7/68:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/5![Frontier logo]()
$273
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/302:23 pm
ICT
- STL
1 stop5h 13m
American Airlines
Tue 7/75:13 pm
STL
- ICT
1 stop5h 23m
American Airlines
Deal found 6/3![American Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:35 pm
ICT
- STL
1 stop4h 20m
Southwest
Wed 7/82:20 pm
STL
- ICT
2 stops9h 05m
Southwest
Deal found 6/3![Southwest logo]()
$298
Best flights from Kansas to St. LouisDiscover carefully curated flight deals from Kansas to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
Discover carefully curated flight deals from Kansas to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
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 Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:00 am
ICT
- STL
2 stops9h 50m
Southwest
Wed 7/82:20 pm
STL
- ICT
2 stops9h 05m
Southwest
Deal found 6/3![Southwest logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/5. 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 8/46:00 am
MCI
- STL
1 stop6h 11m
United Airlines
Tue 8/45:59 pm
STL
- MCI
1 stop3h 55m
United Airlines
Deal found 6/5![United Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:01 pm
ICT
- STL
1 stop4h 58m
American Airlines
Sun 6/285:29 am
STL
- ICT
1 stop4h 31m
American Airlines
Deal found 6/4![American Airlines logo]()
$391
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.
Sat 7/412:50 pm
ICT
- STL
1 stop6h 30m
Southwest
Fri 7/105:40 am
STL
- ICT
1 stop6h 20m
Southwest
Deal found 6/7![Southwest logo]()
$326
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.
Wed 7/225:45 am
TUL
- STL
1 stop6h 20m
Southwest
Sat 7/254:55 pm
STL
- TUL
1 stop6h 30m
Southwest
Deal found 6/7![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/301:35 pm
ICT
- STL
1 stop7h 08m
United Airlines
Tue 7/75:10 am
STL
- ICT
1 stop5h 06m
United Airlines
Deal found 6/5![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:00 am
ICT
- STL
2 stops9h 50m
Southwest
Wed 7/152:20 pm
STL
- ICT
2 stops9h 05m
Southwest
Deal found 6/3![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/259:07 am
TUL
- STL
1 stop7h 27m
United Airlines
Wed 8/266:00 am
STL
- TUL
1 stop5h 03m
United Airlines
Deal found 6/3![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 6/5. 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.
Tue 8/411:55 am
MCI
- STL
Nonstop1h 00m
Southwest
Wed 8/58:45 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/5![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 6/5. 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.
Wed 9/24:45 pm
MCI
- STL
Nonstop1h 05m
Southwest
Wed 9/92:50 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/5![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:20 pm
MCI
- STL
Nonstop1h 05m
Southwest
Wed 7/83:10 pm
STL
- MCI
1 stop4h 10m
Southwest
Deal found 6/3![Southwest logo]()
$342
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.
Tue 7/711:30 am
TUL
- STL
2 stops7h 50m
Southwest
Thu 7/98:10 am
STL
- TUL
1 stop7h 15m
Southwest
Deal found 6/6![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 6/5. 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 7/165:05 am
ICT
- STL
1 stop4h 05m
Southwest
Sun 7/194:40 pm
STL
- ICT
1 stop6h 55m
Southwest
Deal found 6/5![Southwest logo]()
$349
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.
Tue 7/145:00 am
ICT
- STL
1 stop4h 35m
Southwest
Tue 7/288:25 am
STL
- ICT
1 stop6h 10m
Southwest
Deal found 6/7![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/176:40 pm
TUL
- STL
1 stop6h 00m
Southwest
Fri 7/245:05 am
STL
- TUL
1 stop4h 25m
Southwest
Deal found 6/3![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/95:20 pm
TUL
- STL
1 stop6h 50m
Southwest
Mon 7/135:05 am
STL
- TUL
1 stop4h 25m
Southwest
Deal found 6/3![Southwest logo]()
$349
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.
Tue 7/75:00 am
ICT
- STL
2 stops9h 50m
Southwest
Tue 7/145:40 am
STL
- ICT
1 stop6h 20m
Southwest
Deal found 6/7![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 6/5. 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.
Fri 12/49:50 am
TUL
- STL
2 stops7h 30m
Southwest
Sun 12/68:25 am
STL
- TUL
1 stop4h 40m
Southwest
Deal found 6/5![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 6/4. 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 7/45:50 am
TUL
- STL
2 stops8h 45m
Southwest
Mon 7/65:35 am
STL
- TUL
1 stop7h 30m
Southwest
Deal found 6/4![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 6/5. 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.
Mon 7/203:55 pm
ICT
- STL
2 stops6h 55m
Southwest
Mon 7/275:05 am
STL
- ICT
2 stops8h 45m
Southwest
Deal found 6/5![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/1012:25 pm
TUL
- STL
2 stops6h 45m
Southwest
Sun 7/123:50 pm
STL
- TUL
2 stops8h 45m
Southwest
Deal found 6/3![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 6/5. 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.
Wed 7/85:20 pm
MCI
- STL
Nonstop1h 05m
Southwest
Sun 7/128:25 am
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/5![Southwest logo]()
$372
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.
Tue 8/44:45 pm
MCI
- STL
Nonstop1h 05m
Southwest
Sat 8/88:25 am
STL
- MCI
1 stop3h 30m
Southwest
Deal found 6/7![Southwest logo]()
$381
This Southwest deal was found by Cheapflights users on 6/4. 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 8/112:40 pm
MCI
- STL
1 stop6h 40m
Southwest
Thu 8/62:20 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/4![Southwest logo]()
$382
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 Southwest deal was found by Cheapflights users on 6/4. 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.
Thu 7/28:05 am
MCI
- STL
Nonstop1h 05m
Southwest
Thu 7/94:45 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 6/4![Southwest logo]()
$411
Last-minute flights from Kansas to St. LouisDiscover last-minute flight deals from Kansas to St. Louis. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas to St. Louis. Data last updated June 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:16 pm
MCI
- STL
1 stop14h 36m
Frontier
Tue 6/236:31 pm
STL
- MCI
1 stop22h 50m
Frontier
Deal found 6/4![Frontier logo]()
$214
This CheapOair deal was found by Cheapflights users on 6/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/271:45 pm
MCI
- STL
1 stop5h 08m
Frontier
Mon 7/68:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/5![Frontier logo]()
$273
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/302:23 pm
ICT
- STL
1 stop5h 13m
American Airlines
Tue 7/75:13 pm
STL
- ICT
1 stop5h 23m
American Airlines
Deal found 6/3![American Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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
Wed 7/88:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/3![Frontier logo]()
$271
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:35 pm
ICT
- STL
1 stop4h 20m
Southwest
Wed 7/82:20 pm
STL
- ICT
2 stops9h 05m
Southwest
Deal found 6/3![Southwest logo]()
$298
This CheapOair deal was found by Cheapflights users on 6/4. 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.
Thu 7/21:45 pm
MCI
- STL
1 stop5h 08m
Frontier
Thu 7/97:10 pm
STL
- MCI
1 stop20h 37m
Frontier
Deal found 6/4![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/36:16 pm
MCI
- STL
1 stop14h 36m
Frontier
Fri 7/104:57 pm
STL
- MCI
1 stop24h 13m
Frontier
Deal found 6/5![Frontier logo]()
$157
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 6/5. 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 7/86:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Sun 7/126:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/5![Frontier logo]()
$169
This CheapOair deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/91:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Fri 7/108:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/3![Frontier logo]()
$299
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 CheapOair deal was found by Cheapflights users on 6/5. 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 CheapOair 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
Wed 7/227:03 pm
STL
- MCI
1 stop20h 44m
Frontier
Deal found 6/5![Frontier logo]()
$304
One-way flights from Kansas to St. LouisSearch for one-way flight options from Kansas to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
Search for one-way flight options from Kansas to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 9/26:19 pm
MCI
- STL
1 stop23h 11m
Frontier
Deal found 6/3![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 9/11:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 6/3![Frontier logo]()
$63
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 6/8. 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]()
$76
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/316:19 pm
MCI
- STL
1 stop23h 11m
Frontier
Deal found 6/3![Frontier logo]()
$78
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 6/3. Clicking the “Pick Dates” 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 8/296:19 pm
MCI
- STL
1 stop23h 11m
Frontier
Deal found 6/3![Frontier logo]()
$82
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 6/5. 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.
Mon 6/296:16 pm
MCI
- STL
1 stop23h 14m
Frontier
Deal found 6/5![Frontier logo]()
$93
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:00 am
TUL
- STL
1 stop3h 46m
American Airlines
Deal found 6/5![American Airlines logo]()
$153
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:15 am
TUL
- STL
1 stop4h 56m
United Airlines
Deal found 6/7![United Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 6/5. 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.
Tue 7/711:30 am
TUL
- STL
2 stops7h 50m
Southwest
Deal found 6/5![Southwest logo]()
$163
Find flight deals from Kansas to St. Louis
Keep the following information in mind while searching for Kansas to St. Louis flight deals. Data was last updated June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Kiwi.com) |
One-way from | $61 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $368 |
Good round-trip deal | $658 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas 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 8, 2026.
Use the filters below to find and compare flights from Kansas 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
Tue 8/4
1:45 pm-7:23 pm
1 stop5h 38m
Lambert-St Louis
Sat 8/8
7:10 pm-3:47 pm
1 stop20h 37m
$254
WichitaSt. Louis
ICT - STL
ICTSTL
Wichita Eisenhower National
Wed 7/1
5:00 am-2:50 pm
2 stops9h 50m
Lambert-St Louis
Wed 7/8
2:20 pm-11:25 pm
2 stops9h 05m
$308
WichitaSt. Louis
ICT - STL
ICTSTL
Wichita Eisenhower National
Sat 7/4
12:50 pm-7:20 pm
1 stop6h 30m
Lambert-St Louis
Fri 7/10
5:40 am-12:00 pm
1 stop6h 20m
$326
TulsaSt. Louis
TUL - STL
TULSTL
Tulsa
Wed 7/22
5:45 am-12:05 pm
1 stop6h 20m
Lambert-St Louis
Sat 7/25
4:55 pm-11:25 pm
1 stop6h 30m
$329
WichitaSt. Louis
ICT - STL
ICTSTL
Wichita Eisenhower National
Wed 7/8
5:00 am-2:50 pm
2 stops9h 50m
Lambert-St Louis
Wed 7/15
2:20 pm-11:25 pm
2 stops9h 05m
$331
Quickest round-trip
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 8/4
11:55 am-12:55 pm
Nonstop1h 00m
Lambert-St Louis
Wed 8/5
8:45 pm-9:50 pm
Nonstop1h 05m
$333
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Wed 9/2
4:45 pm-5:50 pm
Nonstop1h 05m
Lambert-St Louis
Wed 9/9
2:50 pm-3:55 pm
Nonstop1h 05m
$333
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Wed 7/1
5:20 pm-6:25 pm
Nonstop1h 05m
Lambert-St Louis
Wed 7/8
3:10 pm-7:20 pm
1 stop4h 10m
$342
TulsaSt. Louis
TUL - STL
TULSTL
Tulsa
Tue 7/7
11:30 am-7:20 pm
2 stops7h 50m
Lambert-St Louis
Thu 7/9
8:10 am-3:25 pm
1 stop7h 15m
$344
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 8/4
6:00 am-12:11 pm
1 stop6h 11m
Lambert-St Louis
Tue 8/4
5:59 pm-9:54 pm
1 stop3h 55m
$345
Showing 1-10 of 57 resultsSorted by cheapest first
Best time to book a flight from Kansas to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kansas with our price prediction graph.
MCI-STL
ICT-STL
TUL-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 Kansas to St. Louis
USKS-STL
MCI-STL
ICT-STL
TUL-STL
What is the cheapest month to book a flight from Kansas to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Kansas to St. Louis (average of $77). Flying from Kansas to St. Louis in March is currently the most expensive (average of $334). 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.
How much does it cost to fly round-trip from Kansas to St. Louis?
Related info for your journey
Find useful and relevant information for your journey from Kansas 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 locationsO'Fallon
Edwardsville
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Kansas and St. Louis flights
Browse other Kansas and St. Louis flight options. Last updated on June 8, 2026.
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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 8, 2026.
Kansas to St. Louis flights
Consider these flights traveling from Kansas to St. Louis.
Top 3 airlines flying from Kansas to St. Louis
Discover the top 3 airlines that operate flights from Kansas 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$253 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$209 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$381 | FlexibilityNo cancel fee | On-time71% |