$63+ Cheap flights from Kansas City (MCI) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ORD
Jun 20 — Jun 271
Round-trip
1 adult, Economy
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Cheapest flights from Kansas City to IllinoisExplore the most affordable flight options available from Kansas City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.
Explore the most affordable flight options available from Kansas City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/56:24 pm
MCI
- STL
1 stop14h 31m
Frontier
Sun 6/76:33 pm
STL
- MCI
1 stop22h 56m
Frontier
Deal found 5/16![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/206:16 pm
MCI
- STL
1 stop23h 21m
Frontier
Tue 7/286:33 pm
STL
- MCI
1 stop22h 48m
Frontier
Deal found 5/19![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/206:16 pm
MCI
- STL
1 stop23h 21m
Frontier
Thu 7/306:33 pm
STL
- MCI
1 stop22h 48m
Frontier
Deal found 5/19![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/36:16 pm
MCI
- STL
1 stop14h 36m
Frontier
Tue 7/76:33 pm
STL
- MCI
1 stop22h 48m
Frontier
Deal found 5/16![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/56:24 pm
MCI
- STL
1 stop14h 31m
Frontier
Tue 6/98:08 pm
STL
- MCI
2 stops21h 13m
Frontier
Deal found 5/16![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/246:16 pm
MCI
- STL
1 stop14h 41m
Frontier
Tue 7/286:33 pm
STL
- MCI
1 stop22h 48m
Frontier
Deal found 5/19![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Wed 6/36:24 pm
MCI
- STL
1 stop23h 09m
Frontier
Sun 6/76:33 pm
STL
- MCI
1 stop22h 56m
Frontier
Deal found 5/16![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/246:16 pm
MCI
- STL
1 stop14h 41m
Frontier
Thu 7/306:33 pm
STL
- MCI
1 stop22h 48m
Frontier
Deal found 5/19![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/156:16 pm
MCI
- STL
1 stop23h 14m
Frontier
Mon 6/227:38 pm
STL
- MCI
1 stop17h 22m
Frontier
Deal found 5/18![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/206:16 pm
MCI
- STL
1 stop23h 21m
Frontier
Sun 8/26:33 pm
STL
- MCI
1 stop22h 48m
Frontier
Deal found 5/19![Frontier logo]()
$243
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:52 pm
MCI
- ORD
Nonstop1h 53m
American Airlines
Tue 7/73:00 pm
ORD
- MCI
Nonstop1h 51m
American Airlines
Deal found 5/16![American Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Sat 7/116:16 pm
MCI
- MDW
1 stop16h 51m
Frontier
Fri 7/246:00 am
MDW
- MCI
1 stop11h 21m
Frontier
Deal found 5/16![Frontier logo]()
$307
Best flights from Kansas City to IllinoisDiscover carefully curated flight deals from Kansas City to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 21, 2026.
Discover carefully curated flight deals from Kansas City to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 21, 2026.
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/136:00 am
MCI
- ORD
Nonstop1h 52m
United Airlines
Wed 7/18:40 am
ORD
- MCI
Nonstop1h 49m
United Airlines
Deal found 5/20![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:55 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Tue 6/168:30 pm
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 5/20![Southwest logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/1811:00 am
MCI
- STL
2 stops45h 52m
Multiple Airlines
Thu 6/256:31 pm
STL
- MCI
1 stop22h 50m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:23 am
MCI
- MDW
1 stop6h 46m
Delta
Sat 6/209:54 am
MDW
- MCI
1 stop5h 20m
Delta
Deal found 5/19![Delta logo]()
$347
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:52 pm
MCI
- MLI
1 stop4h 19m
American Airlines
Tue 6/234:45 pm
MLI
- MCI
1 stop7h 40m
American Airlines
Deal found 5/16![American Airlines logo]()
$519
This Southwest deal was found by Cheapflights users on 5/17. 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.
Thu 6/257:55 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Wed 7/112:55 pm
MDW
- MCI
1 stop5h 00m
Southwest
Deal found 5/17![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/46:20 am
MCI
- ORD
1 stop5h 24m
Delta
Sat 7/1112:46 pm
ORD
- MCI
1 stop4h 02m
Delta
Deal found 5/20![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/207:53 am
MCI
- ORD
Nonstop1h 52m
United Airlines
Sat 6/2712:45 pm
ORD
- MCI
Nonstop1h 37m
United Airlines
Deal found 5/20![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 8/118:20 am
MCI
- STL
Nonstop1h 05m
Southwest
Tue 8/184:45 pm
STL
- MCI
1 stop5h 50m
Southwest
Deal found 5/18![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/26:41 pm
MCI
- MLI
1 stop4h 35m
United Airlines
Thu 7/98:15 am
MLI
- MCI
1 stop4h 07m
United Airlines
Deal found 5/18![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 5/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:23 am
MCI
- MDW
1 stop6h 46m
Delta
Sat 6/139:54 am
MDW
- MCI
1 stop6h 53m
Delta
Deal found 5/16![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/98:15 am
MCI
- MDW
Nonstop1h 25m
Southwest
Sun 7/129:55 pm
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 5/20![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:41 pm
MCI
- MLI
1 stop4h 35m
United Airlines
Sun 6/216:30 pm
MLI
- MCI
1 stop4h 43m
United Airlines
Deal found 5/18![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/235:15 am
MCI
- MDW
Nonstop1h 25m
Southwest
Sun 7/266:30 am
MDW
- MCI
Nonstop1h 25m
Southwest
Deal found 5/20![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/35:10 pm
MCI
- MLI
1 stop6h 06m
United Airlines
Sun 6/76:30 pm
MLI
- MCI
1 stop4h 43m
United Airlines
Deal found 5/18![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:31 am
MCI
- MLI
1 stop5h 08m
American Airlines
Wed 6/246:52 pm
MLI
- MCI
1 stop5h 56m
American Airlines
Deal found 5/16![American Airlines logo]()
$528
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/98:05 am
MCI
- MDW
1 stop5h 40m
Southwest
Sat 7/112:35 pm
MDW
- MCI
1 stop2h 50m
Southwest
Deal found 5/19![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/47:53 am
MCI
- MLI
1 stop4h 43m
United Airlines
Mon 6/86:30 pm
MLI
- MCI
1 stop4h 43m
United Airlines
Deal found 5/20![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 5/17. 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.
Fri 6/261:45 pm
MCI
- MDW
1 stop2h 55m
Southwest
Sun 6/289:55 am
MDW
- MCI
1 stop6h 05m
Southwest
Deal found 5/17![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 5/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:28 am
MCI
- ORD
2 stops6h 45m
Delta
Sat 8/226:25 am
ORD
- MCI
1 stop5h 01m
Delta
Deal found 5/16![Delta logo]()
$525
This United Airlines deal was found by Cheapflights users on 5/17. 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 10/97:30 am
MCI
- ORD
Nonstop1h 48m
United Airlines
Mon 10/128:17 pm
ORD
- MCI
Nonstop1h 47m
United Airlines
Deal found 5/17![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/85:25 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Wed 6/247:50 am
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 5/20![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am
MCI
- ORD
2 stops9h 33m
Delta
Mon 10/266:00 am
ORD
- MCI
1 stop5h 48m
Delta
Deal found 5/17![Delta logo]()
$525
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Mon 6/87:53 am
MCI
- ORD
Nonstop1h 52m
United Airlines
Wed 6/106:55 am
ORD
- MCI
Nonstop1h 47m
United Airlines
Deal found 5/17![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/165:50 pm
MCI
- STL
1 stop5h 50m
Southwest
Thu 6/185:30 pm
STL
- MCI
1 stop5h 20m
Southwest
Deal found 5/18![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:28 am
MCI
- ORD
2 stops6h 45m
Delta
Sun 8/166:25 am
ORD
- MCI
1 stop5h 01m
Delta
Deal found 5/17![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 8/113:14 pm
MCI
- STL
1 stop6h 46m
United Airlines
Wed 8/126:00 am
STL
- MCI
1 stop4h 25m
United Airlines
Deal found 5/19![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 9/122:25 pm
MCI
- STL
Nonstop1h 00m
Southwest
Sun 9/139:10 pm
STL
- MCI
Nonstop1h 05m
Southwest
Deal found 5/20![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:38 am
MCI
- ORD
2 stops10h 52m
Delta
Sun 7/56:30 am
ORD
- MCI
1 stop5h 19m
Delta
Deal found 5/17![Delta logo]()
$540
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/107:45 am
MCI
- MDW
2 stops5h 50m
Southwest
Mon 6/226:50 am
MDW
- MCI
1 stop5h 55m
Southwest
Deal found 5/18![Southwest logo]()
$384
Last-minute flights from Kansas City to IllinoisDiscover last-minute flight deals from Kansas City to Illinois. Data last updated May 21, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Illinois. Data last updated May 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:25 am
MCI
- ORD
Nonstop1h 50m
United Airlines
Wed 5/277:58 pm
ORD
- MCI
Nonstop1h 49m
United Airlines
Deal found 5/16![United Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Wed 6/36:24 pm
MCI
- STL
1 stop23h 09m
Frontier
Sun 6/76:33 pm
STL
- MCI
1 stop22h 56m
Frontier
Deal found 5/16![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/56:24 pm
MCI
- STL
1 stop14h 31m
Frontier
Sun 6/76:33 pm
STL
- MCI
1 stop22h 56m
Frontier
Deal found 5/16![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/56:24 pm
MCI
- STL
1 stop14h 31m
Frontier
Tue 6/98:08 pm
STL
- MCI
2 stops21h 13m
Frontier
Deal found 5/16![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/56:24 pm
MCI
- STL
1 stop14h 31m
Frontier
Wed 6/105:06 pm
STL
- MCI
2 stops19h 54m
Frontier
Deal found 5/16![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/56:24 pm
MCI
- STL
1 stop14h 31m
Frontier
Mon 6/88:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 5/16![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/56:24 pm
MCI
- ORD
1 stop25h 05m
Frontier
Mon 6/86:55 am
ORD
- MCI
1 stop10h 34m
Frontier
Deal found 5/16![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Sat 6/62:34 pm
MCI
- ORD
2 stops17h 21m
Frontier
Wed 6/106:55 am
ORD
- MCI
1 stop10h 26m
Frontier
Deal found 5/16![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/156:16 pm
MCI
- STL
1 stop23h 14m
Frontier
Mon 6/227:03 pm
STL
- MCI
2 stops46h 18m
Frontier
Deal found 5/18![Frontier logo]()
$233
This CheapOair deal was found by Cheapflights users on 5/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/151:45 pm
MCI
- STL
1 stop5h 08m
Frontier
Wed 6/178:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 5/17![Frontier logo]()
$280
This KAYAK deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:27 pm
MCI
- ORD
Nonstop2h 02m
American Airlines
Thu 6/186:46 am
ORD
- MCI
Nonstop1h 49m
American Airlines
Deal found 5/18![American Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/251:45 pm
MCI
- STL
2 stops19h 07m
Frontier
Thu 7/26:31 pm
STL
- MCI
1 stop22h 50m
Frontier
Deal found 5/15![Frontier logo]()
$273
One-way flights from Kansas City to IllinoisSearch for one-way flight options from Kansas City to Illinois. Find affordable one-way fares based on user searches. Data last updated May 21, 2026.
Search for one-way flight options from Kansas City to Illinois. Find affordable one-way fares based on user searches. Data last updated May 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/36:16 pm
MCI
- STL
1 stop14h 36m
Frontier
Deal found 5/16![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/156:16 pm
MCI
- STL
1 stop23h 14m
Frontier
Deal found 5/20![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/161:45 pm
MCI
- STL
1 stop29h 38m
Frontier
Deal found 5/19![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/136:16 pm
MCI
- STL
1 stop23h 14m
Frontier
Deal found 5/19![Frontier logo]()
$94
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 5/17![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/56:24 pm
MCI
- STL
1 stop14h 31m
Frontier
Deal found 5/18![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/126:16 pm
MCI
- STL
1 stop14h 36m
Frontier
Deal found 5/19![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 5/17![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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
Deal found 5/20![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/156:16 pm
MCI
- MDW
1 stop27h 55m
Frontier
Deal found 5/20![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/126:16 pm
MCI
- ORD
1 stop25h 34m
Frontier
Deal found 5/19![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/126:16 pm
MCI
- MDW
1 stop16h 48m
Frontier
Deal found 5/20![Frontier logo]()
$129
Find flight deals from Kansas City to Illinois
Keep the following information in mind while searching for Kansas City to Illinois flight deals. Data was last updated May 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Kiwi.com) |
One-way from | $63 (Kiwi.com) |
Popular in | May |
Cheapest in | September |
Average price | $388 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City to Illinois 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 May 21, 2026.
Use the filters below to find and compare flights from Kansas City to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Sat 6/13
6:00 am-7:52 am
Nonstop1h 52m
Chicago O'Hare Intl
Wed 7/1
8:40 am-10:29 am
Nonstop1h 49m
$337
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Fri 6/12
7:55 pm-9:20 pm
Nonstop1h 25m
Chicago Midway
Tue 6/16
8:30 pm-10:00 pm
Nonstop1h 30m
$337
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Thu 6/25
7:55 pm-9:20 pm
Nonstop1h 25m
Chicago Midway
Wed 7/1
12:55 pm-5:55 pm
1 stop5h 00m
$337
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 6/18
11:00 am-8:52 am
2 stops45h 52m
Lambert-St Louis
Thu 6/25
6:31 pm-5:21 pm
1 stop22h 50m
$339
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 8/11
8:20 am-9:25 am
Nonstop1h 05m
Lambert-St Louis
Tue 8/18
4:45 pm-10:35 pm
1 stop5h 50m
$342
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Tue 6/16
6:23 am-1:09 pm
1 stop6h 46m
Chicago Midway
Sat 6/20
9:54 am-3:14 pm
1 stop5h 20m
$347
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Sat 7/4
6:20 am-11:44 am
1 stop5h 24m
Chicago O'Hare Intl
Sat 7/11
12:46 pm-4:48 pm
1 stop4h 02m
$349
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Sat 6/20
7:53 am-9:45 am
Nonstop1h 52m
Chicago O'Hare Intl
Sat 6/27
12:45 pm-2:22 pm
Nonstop1h 37m
$349
Kansas CityMoline
MCI - MLI
MCIMLI
Kansas City
Thu 7/2
6:41 pm-11:16 pm
1 stop4h 35m
Moline Quad-City
Thu 7/9
8:15 am-12:22 pm
1 stop4h 07m
$349
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Thu 7/9
8:15 am-9:40 am
Nonstop1h 25m
Chicago Midway
Sun 7/12
9:55 pm-11:25 pm
Nonstop1h 30m
$349
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Kansas City to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Kansas City with our price prediction graph.
MCI-ORD
MCI-MDW
MCI-STL
MCI-MLI
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 City to Illinois
MCI-USIL
MCI-ORD
MCI-MDW
MCI-STL
MCI-MLI
What is the cheapest month to book a flight from Kansas City to Illinois?
Currently, June is the cheapest month in which you can book a flight from Kansas City to Illinois (average of $77). Flying from Kansas City to Illinois in May is currently the most expensive (average of $174). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MCI to IL?
Find hourly flight availability from Kansas City to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 21, 2026.
One of the essential ways to save on airfare from Kansas City to Illinois is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 27% on airfare.
How much does it cost to fly round-trip from Kansas City to Illinois?
How far ahead should I book a flight from Kansas City to Illinois?
The best time to book flights from Kansas City to Illinois is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Kansas City to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Kansas City to Illinois. Price data was last updated on May 16, 2026.
Travelers seeking maximum savings on their Kansas City to Illinois flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 21, 2026.
Read through reviews of airlines operating flights from Kansas City to Illinois, such as Southwest,United Airlines, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Kansas City to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Kansas City to Illinois
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Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Kansas City to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kansas City and Illinois flights
Browse other Kansas City and Illinois flight options. Last updated on May 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Kansas City to Illinois flights
Consider these flights traveling from Kansas City to Illinois.
Top 4 airlines flying from Kansas City to Illinois
Discover the top 4 airlines that operate flights from Kansas City to Illinois. 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 May 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$183 | Average$339 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$188 | Average$511 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$412 | FlexibilityNo cancel fee | On-time63% |