$96+ Cheap flights from Kansas City (MCI) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ORD
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City to Illinois with Cheapflights
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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 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 September 18, 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 September 18, 2026.
This Southwest deal was found by Cheapflights users on 9/14. 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 10/2412:10 pm -
1 stop6h 35m
Tue 10/276:00 am -
Nonstop1h 30m
Deal found 9/14![Southwest logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/278:43 pm -
2 stops21h 33m
Sat 10/316:30 am -
1 stop13h 17m
Deal found 9/14![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sun 10/258:43 pm -
1 stop27h 41m
Wed 10/286:30 am -
1 stop13h 17m
Deal found 9/16![Frontier logo]()
$252
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 10/178:30 am -
1 stop6h 50m
Tue 10/204:50 pm -
1 stop5h 40m
Deal found 9/15![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 9/16. 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 10/174:05 pm -
Nonstop1h 25m
Mon 10/196:30 pm -
1 stop5h 25m
Deal found 9/16![Southwest logo]()
$253
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:11 pm -
Nonstop2h 06m
Tue 11/2410:40 pm -
Nonstop1h 44m
Deal found 9/17![American Airlines logo]()
$254
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:39 pm -
Nonstop1h 54m
Wed 10/212:10 pm -
Nonstop1h 52m
Deal found 9/17![United Airlines logo]()
$257
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:40 pm -
Nonstop1h 25m
Thu 10/87:50 am -
Nonstop1h 30m
Deal found 9/17![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 9/15. 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.
Thu 10/228:40 pm -
Nonstop1h 20m
Sat 10/242:20 pm -
2 stops6h 10m
Deal found 9/15![Southwest logo]()
$258
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/87:30 am -
Nonstop1h 48m
Mon 10/128:13 pm -
Nonstop1h 47m
Deal found 9/14![United Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 9/15. 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 10/128:40 pm -
Nonstop1h 20m
Thu 10/157:50 am -
Nonstop1h 30m
Deal found 9/15![Southwest logo]()
$259
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/96:00 am -
Nonstop1h 53m
Tue 10/138:13 pm -
Nonstop1h 47m
Deal found 9/14![United Airlines logo]()
$260
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 September 18, 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 September 18, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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 10/297:05 pm -
1 stop5h 15m
Sat 10/3110:20 am -
2 stops6h 10m
Deal found 9/17![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 9/17. 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.
Mon 1/255:40 pm -
1 stop3h 57m
Tue 1/266:00 am -
1 stop4h 23m
Deal found 9/17![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/166:00 am -
Nonstop1h 53m
Fri 10/238:45 am -
Nonstop1h 41m
Deal found 9/17![United Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 9/17. 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 10/305:30 am -
Nonstop1h 25m
Tue 11/35:20 pm -
Nonstop1h 30m
Deal found 9/17![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 1/2511:20 am -
1 stop5h 30m
Tue 1/266:25 am -
1 stop6h 15m
Deal found 9/16![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/256:00 am -
Nonstop1h 47m
Tue 10/273:40 pm -
Nonstop1h 45m
Deal found 9/16![United Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 9/17. 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 12/12:40 pm -
Nonstop1h 30m
Fri 12/48:40 pm -
Nonstop1h 35m
Deal found 9/17![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/1711:22 am -
Nonstop1h 53m
Sun 10/187:15 am -
Nonstop1h 41m
Deal found 9/17![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 2/265:40 pm -
1 stop3h 57m
Sun 2/289:30 am -
1 stop5h 11m
Deal found 9/16![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/219:49 am -
Nonstop1h 53m
Sat 12/57:55 pm -
Nonstop1h 52m
Deal found 9/16![United Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 9/17. 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 10/1311:25 am -
1 stop5h 35m
Fri 10/167:50 am -
Nonstop1h 30m
Deal found 9/17![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 12/207:31 am -
Nonstop1h 51m
Wed 12/237:54 pm -
Nonstop1h 52m
Deal found 9/16![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 9/13. 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.
Tue 1/265:40 pm -
1 stop3h 57m
Tue 4/69:30 am -
1 stop5h 11m
Deal found 9/13![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/14. 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 10/242:55 pm -
Nonstop1h 05m
Mon 10/269:50 pm -
Nonstop1h 10m
Deal found 9/14![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/105:05 pm -
Nonstop1h 53m
Mon 10/128:13 pm -
Nonstop1h 47m
Deal found 9/17![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 10/173:30 pm -
1 stop4h 30m
Mon 10/199:50 pm -
Nonstop1h 10m
Deal found 9/15![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 9/18. 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.
Fri 10/165:50 pm -
1 stop5h 30m
Sat 10/176:05 am -
1 stop3h 50m
Deal found 9/18![Southwest logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 2/2611:30 am -
Nonstop1h 43m
Sun 2/2810:30 am -
Nonstop1h 57m
Deal found 9/16![United Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 9/17. 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.
Sat 10/174:05 pm -
Nonstop1h 25m
Sun 10/187:40 am -
Nonstop1h 30m
Deal found 9/17![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 12/116:00 am -
Nonstop1h 47m
Sun 12/1312:47 pm -
Nonstop1h 58m
Deal found 9/15![United Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 9/14. 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 11/249:55 pm -
Nonstop1h 30m
Thu 11/267:45 am -
Nonstop1h 35m
Deal found 9/14![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:30 am -
Nonstop1h 48m
Tue 10/2010:30 am -
Nonstop1h 50m
Deal found 9/13![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 9/13. 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.
Thu 10/151:50 pm -
Nonstop1h 05m
Sat 10/178:25 am -
Nonstop1h 05m
Deal found 9/13![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/146:45 pm -
1 stop4h 14m
Wed 11/185:00 am -
1 stop3h 40m
Deal found 9/16![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 9/14. 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 10/271:55 pm -
1 stop2h 55m
Fri 10/308:00 am -
2 stops7h 00m
Deal found 9/14![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/298:30 am -
1 stop5h 43m
Fri 10/308:30 am -
1 stop8h 22m
Deal found 9/15![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 9/17. 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 10/297:05 pm -
1 stop5h 15m
Sun 11/12:10 pm -
1 stop5h 25m
Deal found 9/17![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 9/15. 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 11/184:20 pm -
1 stop5h 15m
Sun 11/225:20 pm -
2 stops6h 05m
Deal found 9/15![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/21:48 pm -
1 stop6h 55m
Tue 10/610:49 am -
1 stop5h 13m
Deal found 9/17![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/296:00 am -
1 stop6h 37m
Sat 10/310:49 am -
1 stop3h 29m
Deal found 9/14![United Airlines logo]()
$409
Last-minute flights from Kansas City to IllinoisDiscover last-minute flight deals from Kansas City to Illinois. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Illinois. Data last updated September 18, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/15. 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.
Tue 10/63:40 pm -
Nonstop1h 25m
Fri 10/99:30 pm -
Nonstop1h 35m
Deal found 9/15![Southwest logo]()
$260
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:40 pm -
Nonstop1h 25m
Thu 10/87:50 am -
Nonstop1h 30m
Deal found 9/17![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/87:30 am -
Nonstop1h 48m
Mon 10/128:13 pm -
Nonstop1h 47m
Deal found 9/14![United Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/96:00 am -
Nonstop1h 53m
Tue 10/138:13 pm -
Nonstop1h 47m
Deal found 9/14![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 9/15. 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 10/128:40 pm -
Nonstop1h 20m
Thu 10/157:50 am -
Nonstop1h 30m
Deal found 9/15![Southwest logo]()
$259
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 10/178:30 am -
1 stop6h 50m
Tue 10/204:50 pm -
1 stop5h 40m
Deal found 9/15![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 9/16. 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 10/174:05 pm -
Nonstop1h 25m
Mon 10/196:30 pm -
1 stop5h 25m
Deal found 9/16![Southwest logo]()
$253
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:39 pm -
Nonstop1h 54m
Wed 10/212:10 pm -
Nonstop1h 52m
Deal found 9/17![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/15. 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.
Thu 10/228:40 pm -
Nonstop1h 20m
Sat 10/242:20 pm -
2 stops6h 10m
Deal found 9/15![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 9/14. 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 10/2412:10 pm -
1 stop6h 35m
Tue 10/276:00 am -
Nonstop1h 30m
Deal found 9/14![Southwest logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sun 10/258:43 pm -
1 stop27h 41m
Wed 10/286:30 am -
1 stop13h 17m
Deal found 9/16![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/278:43 pm -
2 stops21h 33m
Sat 10/316:30 am -
1 stop13h 17m
Deal found 9/14![Frontier logo]()
$251
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 September 18, 2026.
Search for one-way flight options from Kansas City to Illinois. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Tue 11/178:43 pm -
2 stops20h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/138:43 pm -
1 stop18h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$118
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:43 pm -
1 stop27h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$122
This Southwest deal was found by Cheapflights users on 9/13. 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.
Sat 10/316:05 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 11/68:43 pm -
1 stop27h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$127
This Southwest deal was found by Cheapflights users on 9/15. 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 10/2812:55 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/308:43 pm -
1 stop27h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/228:43 pm -
1 stop27h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$129
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:35 am -
1 stop6h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Delta logo]()
$129
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/227:30 am -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$130
This Southwest deal was found by Cheapflights users on 9/16. 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.
Thu 10/228:40 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/208:43 pm -
1 stop18h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$130
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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (Southwest) |
One-way from | $96 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 18, 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 CitySt. Louis
MCI Kansas City - STL Lambert-St Louis
MCISTL
Kansas City
Wed 12/16
8:15 am-9:30 am
Nonstop1h 15m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$127
Kansas CitySt. Louis
MCI Kansas City - STL Lambert-St Louis
MCISTL
Kansas City
Tue 11/17
8:15 am-9:30 am
Nonstop1h 15m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$127
Quickest round-trip
Kansas CitySt. Louis
MCI Kansas City - STL Lambert-St Louis
MCISTL
Kansas City
Tue 12/15
4:20 pm-5:20 pm
Nonstop1h 00m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$127
Kansas CityChicago
MCI Kansas City - ORD Chicago O'Hare Intl
MCIORD
Kansas City
Mon 12/14
5:38 pm-9:35 pm
1 stop3h 57m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
Kansas CityChicago
MCI Kansas City - MDW Chicago Midway
MCIMDW
Kansas City
Tue 10/20
10:35 am-4:47 pm
1 stop6h 12m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
Kansas CityChicago
MCI Kansas City - MDW Chicago Midway
MCIMDW
Kansas City
Thu 10/22
8:40 pm-10:00 pm
Nonstop1h 20m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
Kansas CityChicago
MCI Kansas City - MDW Chicago Midway
MCIMDW
Kansas City
Mon 10/12
8:40 pm-10:00 pm
Nonstop1h 20m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
Kansas CitySt. Louis
MCI Kansas City - STL Lambert-St Louis
MCISTL
Kansas City
Sat 11/14
9:49 am-2:34 pm
1 stop4h 45m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$131
Kansas CitySt. Louis
MCI Kansas City - STL Lambert-St Louis
MCISTL
Kansas City
Tue 10/13
4:35 pm-5:40 pm
Nonstop1h 05m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
Kansas CityChicago
MCI Kansas City - ORD Chicago O'Hare Intl
MCIORD
Kansas City
Wed 10/7
6:30 am-11:40 am
1 stop5h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$140
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-MDW
MCI-ORD
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-MDW
MCI-ORD
MCI-STL
MCI-MLI
What is the cheapest month to book a flight from Kansas City to Illinois?
Currently, December is the cheapest month in which you can book a flight from Kansas City to Illinois (average of $296). Flying from Kansas City to Illinois in July is currently the most expensive (average of $433). 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 September 18, 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 29% on airfare.
Weekly flight availability from Kansas City to Illinois
Explore weekly flight availability from Kansas City to Illinois. 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 September 18, 2026.
The most flights from MCI to USIL are scheduled on a Thursday (56 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (34 on average).
How much does it cost to fly round-trip from Kansas City to Illinois?
Airfare is below average for this route at the moment.
Kansas City to Illinois flights typically cost between $337 and $602 in October.The cheapest round-trip price found within the last 5 days was $251 on Frontier (Oct 27-Oct 31).
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 63 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 September 12, 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. Wednesday evenings 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 September 18, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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.
Search flights from Kansas City to Illinois by cabin class
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 September 18, 2026.
Popular flight searches
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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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$176 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$219 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$257 | Average$455 | FlexibilityNo cancel fee | On-time63% |