$81+ Cheap flights from Kansas 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ORD
Jul 19 — Jul 261
Round-trip
1 adult, Economy
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Cheapest flights from Kansas to IllinoisExplore the most affordable flight options available from Kansas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.
Explore the most affordable flight options available from Kansas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/156:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Tue 7/216:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/18![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/316:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Fri 8/74:57 pm
STL
- MCI
1 stop24h 13m
Frontier
Deal found 6/16![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/156:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Wed 7/227:03 pm
STL
- MCI
1 stop20h 44m
Frontier
Deal found 6/17![Frontier logo]()
$196
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/155:00 am
TUL
- MDW
Nonstop1h 45m
Southwest
Wed 7/2911:45 am
MDW
- TUL
Nonstop1h 45m
Southwest
Deal found 6/16![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/142:17 pm
TUL
- ORD
Nonstop2h 11m
United Airlines
Tue 7/219:20 pm
ORD
- TUL
Nonstop2h 05m
United Airlines
Deal found 6/14![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 8/184:45 pm
TUL
- MDW
2 stops6h 25m
Southwest
Wed 8/1910:30 am
MDW
- TUL
Nonstop1h 45m
Southwest
Deal found 6/16![Southwest logo]()
$232
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:35 am
TUL
- ORD
Nonstop2h 12m
American Airlines
Thu 8/209:25 pm
ORD
- TUL
Nonstop2h 01m
American Airlines
Deal found 6/19![American Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 8/231:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Tue 8/256:33 pm
STL
- MCI
1 stop22h 51m
Frontier
Deal found 6/16![Frontier logo]()
$234
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/144:48 pm
TUL
- MDW
1 stop5h 27m
Delta
Wed 7/156:00 am
MDW
- TUL
1 stop5h 56m
Delta
Deal found 6/16![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/144:48 pm
TUL
- ORD
1 stop7h 05m
Delta
Wed 7/155:30 am
ORD
- TUL
1 stop6h 26m
Delta
Deal found 6/16![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/141:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Wed 7/157:03 pm
STL
- MCI
1 stop20h 44m
Frontier
Deal found 6/14![Frontier logo]()
$238
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:37 pm
TUL
- ORD
1 stop7h 12m
American Airlines
Tue 11/39:43 pm
ORD
- TUL
Nonstop2h 05m
American Airlines
Deal found 6/18![American Airlines logo]()
$242
Best flights from Kansas to IllinoisDiscover carefully curated flight deals from Kansas to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 19, 2026.
Discover carefully curated flight deals from Kansas to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 19, 2026.
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 7/144:48 pm
TUL
- MDW
1 stop5h 27m
Delta
Tue 7/215:10 pm
MDW
- TUL
1 stop6h 09m
Delta
Deal found 6/14![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/15. 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 11/59:00 am
SLN
- ORD
Nonstop1h 53m
United Airlines
Thu 11/124:50 pm
ORD
- SLN
Nonstop2h 02m
United Airlines
Deal found 6/15![United Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 6/14. 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 8/63:25 pm
TUL
- MDW
Nonstop1h 40m
Southwest
Mon 8/108:55 pm
MDW
- TUL
Nonstop1h 50m
Southwest
Deal found 6/14![Southwest logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/246:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Sun 7/268:08 pm
STL
- MCI
2 stops21h 02m
Frontier
Deal found 6/18![Frontier logo]()
$273
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 10/2012:36 pm
TUL
- ORD
1 stop5h 56m
Delta
Tue 11/39:30 am
ORD
- TUL
1 stop5h 49m
Delta
Deal found 6/14![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 6/18. 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.
Thu 8/137:00 am
TUL
- MDW
2 stops10h 00m
Southwest
Tue 8/185:20 pm
MDW
- TUL
1 stop5h 10m
Southwest
Deal found 6/18![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/212:45 pm
ICT
- STL
1 stop6h 41m
United Airlines
Wed 7/225:10 am
STL
- ICT
1 stop5h 06m
United Airlines
Deal found 6/16![United Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 7/189:29 am
SLN
- ORD
Nonstop2h 05m
United Airlines
Mon 7/204:29 pm
ORD
- SLN
Nonstop2h 08m
United Airlines
Deal found 6/14![United Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 6/15. 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.
Tue 7/144:48 pm
TUL
- MDW
1 stop5h 27m
Delta
Wed 7/156:00 am
MDW
- TUL
1 stop5h 56m
Delta
Deal found 6/15![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 6/16. 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 8/105:00 pm
TUL
- MDW
2 stops6h 20m
Southwest
Thu 8/135:55 am
MDW
- TUL
2 stops6h 25m
Southwest
Deal found 6/16![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/17. 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 10/269:00 am
SLN
- ORD
Nonstop1h 53m
United Airlines
Wed 10/284:50 pm
ORD
- SLN
Nonstop2h 02m
United Airlines
Deal found 6/17![United Airlines logo]()
$266
This CheapOair deal was found by Cheapflights users on 6/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Mon 8/38:08 pm
STL
- MCI
1 stop16h 52m
Frontier
Deal found 6/14![Frontier logo]()
$328
This Southwest deal was found by Cheapflights users on 6/19. 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.
Wed 11/1812:20 pm
MCI
- STL
Nonstop1h 05m
Southwest
Thu 11/1912:40 pm
STL
- MCI
Nonstop1h 10m
Southwest
Deal found 6/19![Southwest logo]()
$284
This Delta deal was found by Cheapflights users on 6/17. 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 9/256:55 pm
TUL
- ORD
1 stop5h 04m
Delta
Tue 9/296:25 pm
ORD
- TUL
1 stop5h 17m
Delta
Deal found 6/17![Delta logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/176:07 pm
MCI
- MDW
1 stop27h 56m
Frontier
Fri 7/246:17 pm
MDW
- MCI
2 stops22h 53m
Frontier
Deal found 6/18![Frontier logo]()
$358
This Southwest deal was found by Cheapflights users on 6/18. 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 7/285:00 am
TUL
- MDW
Nonstop1h 45m
Southwest
Thu 7/3010:00 am
MDW
- TUL
Nonstop1h 50m
Southwest
Deal found 6/18![Southwest logo]()
$299
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/227:15 am
TUL
- ORD
Nonstop2h 02m
United Airlines
Sun 7/268:45 am
ORD
- TUL
Nonstop2h 18m
United Airlines
Deal found 6/18![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 6/16. 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 8/1412:41 pm
TUL
- ORD
1 stop6h 08m
Delta
Tue 8/185:30 am
ORD
- TUL
1 stop6h 26m
Delta
Deal found 6/16![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 6/14. 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 7/145:45 am
TUL
- MDW
2 stops6h 25m
Southwest
Tue 7/2111:30 am
MDW
- TUL
1 stop7h 00m
Southwest
Deal found 6/14![Southwest logo]()
$299
This United Airlines deal was found by Cheapflights users on 6/17. 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 9/256:00 am
TUL
- ORD
Nonstop2h 00m
United Airlines
Tue 9/298:45 am
ORD
- TUL
Nonstop2h 18m
United Airlines
Deal found 6/17![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 6/15. 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 8/53:30 pm
TUL
- MDW
Nonstop1h 40m
Southwest
Fri 8/78:55 pm
MDW
- TUL
Nonstop1h 50m
Southwest
Deal found 6/15![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 6/18. 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.
Sat 9/127:20 am
ICT
- ORD
1 stop4h 18m
Delta
Mon 9/1411:17 am
ORD
- ICT
2 stops10h 46m
Delta
Deal found 6/18![Delta logo]()
$330
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/255:15 pm
ICT
- STL
1 stop6h 32m
United Airlines
Sat 8/81:18 pm
STL
- ICT
1 stop4h 25m
United Airlines
Deal found 6/17![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 6/15. 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 7/33:55 pm
ICT
- MDW
Nonstop2h 00m
Southwest
Tue 7/2810:00 am
MDW
- ICT
Nonstop2h 00m
Southwest
Deal found 6/15![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 6/13. 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 7/76:23 am
MCI
- MDW
1 stop6h 46m
Delta
Tue 7/149:54 am
MDW
- MCI
1 stop5h 20m
Delta
Deal found 6/13![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/239:29 am
SLN
- ORD
Nonstop2h 05m
United Airlines
Sun 7/264:29 pm
ORD
- SLN
Nonstop2h 08m
United Airlines
Deal found 6/16![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 7/285:00 am
ICT
- STL
1 stop6h 15m
Southwest
Fri 7/316:30 pm
STL
- ICT
1 stop5h 10m
Southwest
Deal found 6/16![Southwest logo]()
$306
This Delta deal was found by Cheapflights users on 6/18. 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.
Fri 8/2811:13 am
ICT
- ORD
1 stop7h 36m
Delta
Sat 9/53:00 pm
ORD
- ICT
1 stop6h 59m
Delta
Deal found 6/18![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/212:45 pm
ICT
- STL
1 stop6h 41m
United Airlines
Thu 7/235:10 am
STL
- ICT
1 stop5h 06m
United Airlines
Deal found 6/15![United Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 6/17. 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 8/13:10 pm
ICT
- MDW
Nonstop1h 50m
Southwest
Wed 8/53:50 pm
MDW
- ICT
1 stop4h 55m
Southwest
Deal found 6/17![Southwest logo]()
$310
Last-minute flights from Kansas to IllinoisDiscover last-minute flight deals from Kansas to Illinois. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas to Illinois. Data last updated June 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/142:17 pm
TUL
- ORD
Nonstop2h 11m
United Airlines
Tue 7/219:20 pm
ORD
- TUL
Nonstop2h 05m
United Airlines
Deal found 6/14![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/144:48 pm
TUL
- MDW
1 stop5h 27m
Delta
Wed 7/156:00 am
MDW
- TUL
1 stop5h 56m
Delta
Deal found 6/16![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/144:48 pm
TUL
- ORD
1 stop7h 05m
Delta
Wed 7/155:30 am
ORD
- TUL
1 stop6h 26m
Delta
Deal found 6/16![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/141:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Wed 7/157:03 pm
STL
- MCI
1 stop20h 44m
Frontier
Deal found 6/14![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/156:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Tue 7/216:34 pm
STL
- MCI
1 stop22h 36m
Frontier
Deal found 6/18![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/156:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Wed 7/227:03 pm
STL
- MCI
1 stop20h 44m
Frontier
Deal found 6/17![Frontier logo]()
$196
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/155:00 am
TUL
- MDW
Nonstop1h 45m
Southwest
Wed 7/2911:45 am
MDW
- TUL
Nonstop1h 45m
Southwest
Deal found 6/16![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/212:45 pm
ICT
- STL
1 stop6h 41m
United Airlines
Wed 7/225:10 am
STL
- ICT
1 stop5h 06m
United Airlines
Deal found 6/16![United Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 7/225:00 am
TUL
- MDW
Nonstop1h 45m
Southwest
Wed 7/2910:15 am
MDW
- TUL
2 stops6h 00m
Southwest
Deal found 6/17![Southwest logo]()
$232
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:35 am
TUL
- ORD
Nonstop2h 13m
American Airlines
Wed 8/127:00 am
ORD
- TUL
1 stop5h 02m
American Airlines
Deal found 6/15![American Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 6/15. 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 7/293:40 pm
TUL
- MDW
1 stop7h 35m
Southwest
Wed 8/123:50 pm
MDW
- TUL
2 stops6h 40m
Southwest
Deal found 6/15![Southwest logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/316:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Fri 8/74:57 pm
STL
- MCI
1 stop24h 13m
Frontier
Deal found 6/16![Frontier logo]()
$178
One-way flights from Kansas to IllinoisSearch for one-way flight options from Kansas to Illinois. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
Search for one-way flight options from Kansas to Illinois. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Deal found 6/18![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/106:07 pm
MCI
- STL
1 stop14h 50m
Frontier
Deal found 6/18![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/86:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/18![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/156:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/18![Frontier logo]()
$87
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/18![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Sat 7/186:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/18![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 7/276:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/17![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sat 7/256:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/17![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 6/17. 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.
Tue 8/111:45 pm
MCI
- STL
1 stop5h 38m
Frontier
Deal found 6/17![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sat 7/116:07 pm
MCI
- STL
1 stop23h 30m
Frontier
Deal found 6/17![Frontier logo]()
$107
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/85:00 am
TUL
- MDW
Nonstop1h 45m
Southwest
Deal found 6/16![Southwest logo]()
$109
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 7/87:49 pm
TUL
- ORD
Nonstop2h 11m
American Airlines
Deal found 6/17![American Airlines logo]()
$109
Find flight deals from Kansas to Illinois
Keep the following information in mind while searching for Kansas to Illinois flight deals. Data was last updated June 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Kiwi.com) |
One-way from | $81 (Trip.com) |
Popular in | July |
Cheapest in | January |
Average price | $337 |
Good round-trip deal | $389 or less |
Good one-way deal | $185 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas 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 June 19, 2026.
Use the filters below to find and compare flights from Kansas to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TulsaChicago
TUL - MDW
TULMDW
Tulsa
Tue 7/14
4:48 pm-10:15 pm
1 stop5h 27m
Chicago Midway
Tue 7/21
5:10 pm-11:19 pm
1 stop6h 09m
$237
TulsaChicago
TUL - ORD
TULORD
Tulsa
Tue 10/20
12:36 pm-6:32 pm
1 stop5h 56m
Chicago O'Hare Intl
Tue 11/3
9:30 am-3:19 pm
1 stop5h 49m
$237
SalinaChicago
SLN - ORD
SLNORD
Salina
Thu 11/5
9:00 am-10:53 am
Nonstop1h 53m
Chicago O'Hare Intl
Thu 11/12
4:50 pm-6:52 pm
Nonstop2h 02m
$246
TulsaChicago
TUL - MDW
TULMDW
Tulsa
Thu 8/6
3:25 pm-5:05 pm
Nonstop1h 40m
Chicago Midway
Mon 8/10
8:55 pm-10:45 pm
Nonstop1h 50m
$247
TulsaChicago
TUL - MDW
TULMDW
Tulsa
Thu 8/13
7:00 am-5:00 pm
2 stops10h 00m
Chicago Midway
Tue 8/18
5:20 pm-10:30 pm
1 stop5h 10m
$257
WichitaSt. Louis
ICT - STL
ICTSTL
Wichita Eisenhower National
Tue 7/21
2:45 pm-9:26 pm
1 stop6h 41m
Lambert-St Louis
Wed 7/22
5:10 am-10:16 am
1 stop5h 06m
$258
SalinaChicago
SLN - ORD
SLNORD
Salina
Sat 7/18
9:29 am-11:34 am
Nonstop2h 05m
Chicago O'Hare Intl
Mon 7/20
4:29 pm-6:37 pm
Nonstop2h 08m
$266
SalinaChicago
SLN - ORD
SLNORD
Salina
Mon 10/26
9:00 am-10:53 am
Nonstop1h 53m
Chicago O'Hare Intl
Wed 10/28
4:50 pm-6:52 pm
Nonstop2h 02m
$266
TulsaChicago
TUL - MDW
TULMDW
Tulsa
Tue 7/14
4:48 pm-10:15 pm
1 stop5h 27m
Chicago Midway
Wed 7/15
6:00 am-11:56 am
1 stop5h 56m
$268
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Fri 7/24
6:07 pm-8:57 am
1 stop14h 50m
Lambert-St Louis
Sun 7/26
8:08 pm-5:10 pm
2 stops21h 02m
$273
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Kansas to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Kansas with our price prediction graph.
MCI-STL
TUL-ORD
TUL-MDW
TUL-STL
ICT-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kansas to Illinois
USKS-USIL
MCI-STL
TUL-ORD
TUL-MDW
TUL-STL
What is the cheapest month to book a flight from Kansas to Illinois?
Currently, February is the cheapest month in which you can book a flight from Kansas to Illinois (average of $139). Flying from Kansas to Illinois in June is currently the most expensive (average of $207). 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 KS to IL?
Find hourly flight availability from Kansas 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 June 19, 2026.
A simple way to save on the total cost of your ticket is to fly from Kansas to Illinois in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the afternoon.
Weekly flight availability from Kansas to Illinois
Explore weekly flight availability from Kansas 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 June 19, 2026.
The most flights from USKS to USIL are scheduled on a Thursday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).
How much does it cost to fly round-trip from Kansas to Illinois?
How far ahead should I book a flight from Kansas to Illinois?
The best time to book flights from Kansas to Illinois is 68 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 to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Kansas to Illinois. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their Kansas to Illinois flight should consider departing on Friday evenings when fares are most often at their lowest. Monday at noon 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 June 19, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Kansas to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Kansas 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 to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
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 to Illinois by cabin class
Find flights from Kansas to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kansas and Illinois flights
Browse other Kansas and Illinois flight options. Last updated on June 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Kansas after your stay in Illinois
Kansas to Illinois flights
Consider these flights traveling from Kansas to Illinois.
Top 2 airlines flying from Kansas to Illinois
Discover the top 2 airlines that operate flights from Kansas 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 June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$258 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$402 | FlexibilityNo cancel fee | On-time71% |