$71+ Cheap flights from Illinois to Kansas City (MCI)
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MCI
Aug 16 — Aug 231
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Kansas City with Cheapflights
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Cheapest flights from Illinois to Kansas CityExplore the most affordable flight options available from Illinois to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
Explore the most affordable flight options available from Illinois to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/276:17 pm
STL
- MCI
1 stop16h 24m
Frontier
Mon 8/3111:26 am
MCI
- STL
1 stop5h 56m
Frontier
Deal found 7/17![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/66:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Mon 8/106:17 pm
MCI
- STL
1 stop23h 20m
Frontier
Deal found 7/14![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/46:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Mon 8/106:17 pm
MCI
- STL
1 stop23h 20m
Frontier
Deal found 7/13![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/46:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Tue 8/111:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 7/13![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/58:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Fri 8/76:17 pm
MCI
- STL
1 stop14h 40m
Frontier
Deal found 7/13![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 7/306:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Mon 8/36:09 pm
MCI
- STL
1 stop23h 28m
Frontier
Deal found 7/15![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/96:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Wed 8/126:17 pm
MCI
- STL
1 stop23h 20m
Frontier
Deal found 7/13![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/2210:35 am
STL
- MCI
2 stops26h 47m
Frontier
Fri 9/256:11 pm
MCI
- STL
1 stop15h 29m
Frontier
Deal found 7/17![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/108:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Thu 8/131:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 7/15![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/58:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Tue 8/111:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 7/13![Frontier logo]()
$194
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/1511:45 am
MDW
- MCI
2 stops7h 45m
Southwest
Sat 8/228:05 am
MCI
- MDW
1 stop5h 50m
Southwest
Deal found 7/16![Southwest logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/212:41 pm
ORD
- MCI
1 stop22h 12m
Frontier
Mon 8/2411:26 am
MCI
- ORD
2 stops25h 24m
Frontier
Deal found 7/16![Frontier logo]()
$264
Best flights from Illinois to Kansas CityDiscover carefully curated flight deals from Illinois to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
Discover carefully curated flight deals from Illinois to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/178:45 pm
STL
- MCI
Nonstop1h 05m
Southwest
Wed 8/194:45 pm
MCI
- STL
Nonstop1h 05m
Southwest
Deal found 7/13![Southwest logo]()
$237
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:02 am
BMI
- MCI
1 stop3h 36m
American Airlines
Sun 9/207:35 pm
MCI
- BMI
1 stop4h 28m
American Airlines
Deal found 7/14![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:28 am
ORD
- MCI
1 stop6h 46m
Delta
Sun 8/304:04 pm
MCI
- ORD
1 stop5h 43m
Delta
Deal found 7/14![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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.
Fri 8/1410:30 am
ORD
- MCI
Nonstop1h 50m
United Airlines
Mon 8/171:08 pm
MCI
- ORD
Nonstop1h 52m
United Airlines
Deal found 7/17![United Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:44 am
BMI
- MCI
1 stop22h 02m
Allegiant Air
Sun 10/1811:11 am
MCI
- BMI
1 stop23h 13m
Allegiant Air
Deal found 7/12![Allegiant Air logo]()
$366
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/102:20 pm
STL
- MCI
Nonstop1h 05m
Southwest
Thu 8/1312:15 pm
MCI
- STL
Nonstop1h 00m
Southwest
Deal found 7/15![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/62:20 pm
STL
- MCI
Nonstop1h 05m
Southwest
Mon 8/1012:15 pm
MCI
- STL
Nonstop1h 00m
Southwest
Deal found 7/14![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:25 am
STL
- MCI
Nonstop1h 05m
Southwest
Sat 10/172:55 pm
MCI
- STL
Nonstop1h 05m
Southwest
Deal found 7/14![Southwest logo]()
$237
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/265:00 am
BMI
- MCI
1 stop3h 40m
American Airlines
Sun 8/307:39 pm
MCI
- BMI
1 stop4h 20m
American Airlines
Deal found 7/14![American Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/102:20 pm
STL
- MCI
Nonstop1h 05m
Southwest
Mon 8/173:05 pm
MCI
- STL
1 stop5h 05m
Southwest
Deal found 7/14![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
ORD
- MCI
1 stop5h 26m
Delta
Sat 8/155:40 pm
MCI
- ORD
1 stop4h 07m
Delta
Deal found 7/13![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:17 pm
ORD
- MCI
Nonstop1h 47m
United Airlines
Sun 9/276:00 am
MCI
- ORD
Nonstop1h 54m
United Airlines
Deal found 7/12![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/278:45 pm
STL
- MCI
Nonstop1h 05m
Southwest
Mon 8/315:10 am
MCI
- STL
1 stop5h 20m
Southwest
Deal found 7/14![Southwest logo]()
$247
This American Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:45 am
ORD
- MCI
Nonstop1h 45m
American Airlines
Wed 9/22:09 pm
MCI
- ORD
1 stop6h 21m
American Airlines
Deal found 7/12![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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.
Fri 8/285:50 pm
ORD
- MCI
Nonstop1h 52m
United Airlines
Sun 8/306:00 am
MCI
- ORD
Nonstop1h 54m
United Airlines
Deal found 7/17![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/128:25 am
STL
- MCI
Nonstop1h 05m
Southwest
Wed 8/1912:45 pm
MCI
- STL
1 stop6h 00m
Southwest
Deal found 7/15![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:25 pm
MDW
- MCI
1 stop4h 02m
Delta
Sun 8/306:28 am
MCI
- MDW
1 stop6h 42m
Delta
Deal found 7/13![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:43 am
ORD
- MCI
Nonstop1h 42m
United Airlines
Sun 8/166:35 pm
MCI
- ORD
Nonstop1h 54m
United Airlines
Deal found 7/14![United Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/257:40 am
MDW
- MCI
2 stops5h 50m
Southwest
Wed 8/2611:55 am
MCI
- MDW
1 stop4h 55m
Southwest
Deal found 7/17![Southwest logo]()
$270
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:59 am
ORD
- MCI
1 stop6h 36m
Delta
Mon 10/196:42 pm
MCI
- ORD
1 stop5h 09m
Delta
Deal found 7/15![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:29 pm
ORD
- MCI
2 stops8h 45m
Delta
Wed 9/306:20 am
MCI
- ORD
1 stop5h 19m
Delta
Deal found 7/12![Delta logo]()
$413
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 9/88:00 pm
ORD
- MCI
Nonstop1h 47m
United Airlines
Sat 9/1210:00 am
MCI
- ORD
Nonstop1h 51m
United Airlines
Deal found 7/15![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am
MDW
- MCI
2 stops6h 25m
Southwest
Tue 9/158:20 am
MCI
- MDW
1 stop5h 35m
Southwest
Deal found 7/14![Southwest logo]()
$308
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:59 pm
ORD
- MCI
2 stops9h 59m
Delta
Sat 8/86:28 am
MCI
- ORD
1 stop5h 09m
Delta
Deal found 7/14![Delta logo]()
$423
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/125:50 pm
ORD
- MCI
Nonstop1h 52m
United Airlines
Wed 8/1910:00 am
MCI
- ORD
Nonstop1h 51m
United Airlines
Deal found 7/14![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/156:35 am
MDW
- MCI
1 stop4h 45m
Southwest
Sun 8/1610:40 am
MCI
- MDW
1 stop5h 35m
Southwest
Deal found 7/16![Southwest logo]()
$313
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:02 am
BMI
- MCI
1 stop19h 21m
American Airlines
Sun 9/1311:31 am
MCI
- BMI
2 stops12h 32m
American Airlines
Deal found 7/14![American Airlines logo]()
$587
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/48:55 am
MDW
- MCI
Nonstop1h 35m
Southwest
Sat 8/87:50 am
MCI
- MDW
Nonstop1h 25m
Southwest
Deal found 7/17![Southwest logo]()
$348
This American Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 am
BMI
- MCI
2 stops11h 35m
American Airlines
Sun 10/187:46 pm
MCI
- BMI
1 stop4h 13m
American Airlines
Deal found 7/12![American Airlines logo]()
$637
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/146:20 am
MDW
- MCI
Nonstop1h 25m
Southwest
Fri 8/213:45 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Deal found 7/15![Southwest logo]()
$349
Last-minute flights from Illinois to Kansas CityDiscover last-minute flight deals from Illinois to Kansas City. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Kansas City. Data last updated July 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 7/306:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Mon 8/36:09 pm
MCI
- STL
1 stop23h 28m
Frontier
Deal found 7/15![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/46:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Mon 8/106:17 pm
MCI
- STL
1 stop23h 20m
Frontier
Deal found 7/13![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/46:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Tue 8/111:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 7/13![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/58:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Fri 8/76:17 pm
MCI
- STL
1 stop14h 40m
Frontier
Deal found 7/13![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/58:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Tue 8/111:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 7/13![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/66:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Mon 8/106:17 pm
MCI
- STL
1 stop23h 20m
Frontier
Deal found 7/14![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/96:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Wed 8/126:17 pm
MCI
- STL
1 stop23h 20m
Frontier
Deal found 7/13![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/96:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Tue 8/111:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 7/13![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/108:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Thu 8/131:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 7/15![Frontier logo]()
$191
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/1511:45 am
MDW
- MCI
2 stops7h 45m
Southwest
Sat 8/228:05 am
MCI
- MDW
1 stop5h 50m
Southwest
Deal found 7/16![Southwest logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/212:41 pm
ORD
- MCI
1 stop22h 12m
Frontier
Mon 8/2411:26 am
MCI
- ORD
2 stops25h 24m
Frontier
Deal found 7/16![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/276:17 pm
STL
- MCI
1 stop16h 24m
Frontier
Mon 8/3111:26 am
MCI
- STL
1 stop5h 56m
Frontier
Deal found 7/17![Frontier logo]()
$138
One-way flights from Illinois to Kansas CitySearch for one-way flight options from Illinois to Kansas City. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
Search for one-way flight options from Illinois to Kansas City. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Trip.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Sat 9/1210:35 am
STL
- MCI
1 stop6h 41m
Frontier
Deal found 7/13![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/116:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 7/13![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/136:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 7/13![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 10/1210:35 am
STL
- MCI
1 stop6h 41m
Frontier
Deal found 7/13![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/128:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 7/13![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 10/138:10 pm
STL
- MCI
1 stop17h 12m
Frontier
Deal found 7/14![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/108:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 7/14![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 10/1910:35 am
STL
- MCI
1 stop6h 41m
Frontier
Deal found 7/15![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/1610:35 am
STL
- MCI
2 stops26h 47m
Frontier
Deal found 7/17![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/209:19 am
BMI
- MCI
2 stops25h 22m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$125
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 1/1210:05 am
MDW
- MCI
Nonstop1h 35m
Southwest
Deal found 7/14![Southwest logo]()
$155
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/67:29 am
ORD
- MCI
1 stop8h 18m
Frontier
Deal found 7/15![Frontier logo]()
$155
Find flight deals from Illinois to Kansas City
Keep the following information in mind while searching for Illinois to Kansas City flight deals. Data was last updated July 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Kiwi.com) |
One-way from | $71 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $389 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Kansas City 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 July 17, 2026.
Use the filters below to find and compare flights from Illinois to Kansas City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisKansas City
STL - MCI
STLMCI
Lambert-St Louis
Mon 8/17
8:45 pm-9:50 pm
Nonstop1h 05m
Kansas City
Wed 8/19
4:45 pm-5:50 pm
Nonstop1h 05m
$237
Quickest round-trip
St. LouisKansas City
STL - MCI
STLMCI
Lambert-St Louis
Mon 8/10
2:20 pm-3:25 pm
Nonstop1h 05m
Kansas City
Thu 8/13
12:15 pm-1:15 pm
Nonstop1h 00m
$237
St. LouisKansas City
STL - MCI
STLMCI
Lambert-St Louis
Thu 8/6
2:20 pm-3:25 pm
Nonstop1h 05m
Kansas City
Mon 8/10
12:15 pm-1:15 pm
Nonstop1h 00m
$237
St. LouisKansas City
STL - MCI
STLMCI
Lambert-St Louis
Sat 10/17
8:25 am-9:30 am
Nonstop1h 05m
Kansas City
Sat 10/17
2:55 pm-4:00 pm
Nonstop1h 05m
$237
St. LouisKansas City
STL - MCI
STLMCI
Lambert-St Louis
Mon 8/10
2:20 pm-3:25 pm
Nonstop1h 05m
Kansas City
Mon 8/17
3:05 pm-8:10 pm
1 stop5h 05m
$247
St. LouisKansas City
STL - MCI
STLMCI
Lambert-St Louis
Thu 8/27
8:45 pm-9:50 pm
Nonstop1h 05m
Kansas City
Mon 8/31
5:10 am-10:30 am
1 stop5h 20m
$247
St. LouisKansas City
STL - MCI
STLMCI
Lambert-St Louis
Wed 8/12
8:25 am-9:30 am
Nonstop1h 05m
Kansas City
Wed 8/19
12:45 pm-6:45 pm
1 stop6h 00m
$247
ChicagoKansas City
MDW - MCI
MDWMCI
Chicago Midway
Tue 8/25
7:40 am-1:30 pm
2 stops5h 50m
Kansas City
Wed 8/26
11:55 am-4:50 pm
1 stop4h 55m
$270
BloomingtonKansas City
BMI - MCI
BMIMCI
Bloomington-Normal
Wed 9/16
5:02 am-8:38 am
1 stop3h 36m
Kansas City
Sun 9/20
7:35 pm-12:03 am
1 stop4h 28m
$289
BloomingtonKansas City
BMI - MCI
BMIMCI
Bloomington-Normal
Wed 8/26
5:00 am-8:40 am
1 stop3h 40m
Kansas City
Sun 8/30
7:39 pm-11:59 pm
1 stop4h 20m
$289
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Kansas City
Have a flexible travel schedule? Discover the best time to fly to Kansas City from Illinois with our price prediction graph.
STL-MCI
MDW-MCI
ORD-MCI
BMI-MCI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Kansas City
USIL-MCI
STL-MCI
MDW-MCI
ORD-MCI
BMI-MCI
What is the cheapest month to book a flight from Illinois to Kansas City?
Currently, January is the cheapest month in which you can book a flight from Illinois to Kansas City (average of $314). Flying from Illinois to Kansas City in June is currently the most expensive (average of $465). 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 IL to MCI?
Find hourly flight availability from Illinois to Kansas City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 17, 2026.
One of the essential ways to save on airfare from Illinois to Kansas City is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 10% on airfare.
Weekly flight availability from Illinois to Kansas City
Explore weekly flight availability from Illinois to Kansas City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 17, 2026.
The most flights from USIL to MCI are scheduled on a Wednesday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).
How much does it cost to fly round-trip from Illinois to Kansas City?
How far ahead should I book a flight from Illinois to Kansas City?
The price you pay for your flight from Illinois to Kansas City may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Illinois to Kansas City?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Kansas City. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Illinois to Kansas City flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Kansas City. 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 Kansas City?
Book flights to Kansas City if you plan to visit one of these locationsLee's Summit
Kansas City
Independence
Overland Park
Warrensburg
Lenexa
North Kansas City
Lansing
Liberty
Lawrence
Shawnee
Olathe
Belton
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Alternative routes for Illinois to Kansas City
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Complete your trip
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Illinois and Kansas City flights
Browse other Illinois and Kansas City flight options. Last updated on July 17, 2026.
Popular flight searches
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Illinois to Kansas City flights
Consider these flights traveling from Illinois to Kansas City.
Top 3 airlines flying from Illinois to Kansas City
Discover the top 3 airlines that operate flights from Illinois to Kansas City. 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 July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$177 | Average$349 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$214 | Average$358 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$354 | FlexibilityNo cancel fee | On-time69% |