$56+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ORD
Mar 20 — Mar 271
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kansas City to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kansas City to Illinois
Cheapest
Best
Last-minute
One-way
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 February 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 February 18, 2026.
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Thu 3/265:00 am
MCI
- STL
1 stop5h 03m
American Airlines
Mon 3/306:50 pm
STL
- MCI
1 stop5h 22m
American Airlines
Deal found 2/18![American Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 3/275:00 am
MCI
- STL
1 stop3h 51m
American Airlines
Mon 3/306:50 pm
STL
- MCI
1 stop5h 22m
American Airlines
Deal found 2/17![American Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 4/35:00 am
MCI
- ORD
Nonstop1h 40m
American Airlines
Sun 4/56:56 am
ORD
- MCI
Nonstop1h 46m
American Airlines
Deal found 2/18![American Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 2/18. 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 4/14:05 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Sat 4/49:30 pm
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 2/18![Southwest logo]()
$191
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 3/265:00 am
MCI
- ORD
Nonstop1h 41m
American Airlines
Sun 3/296:56 am
ORD
- MCI
Nonstop1h 46m
American Airlines
Deal found 2/17![American Airlines logo]()
$192
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Fri 4/242:15 pm
MCI
- STL
1 stop4h 57m
Frontier
Sun 5/108:12 pm
STL
- MCI
1 stop17h 18m
Frontier
Deal found 2/17![Frontier logo]()
$192
This Southwest deal was found by Cheapflights users on 2/18. 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 3/2612:40 pm
MCI
- STL
Nonstop1h 05m
Southwest
Mon 3/304:05 pm
STL
- MCI
Nonstop1h 10m
Southwest
Deal found 2/18![Southwest logo]()
$193
This Southwest deal was found by Cheapflights users on 2/16. 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 3/175:00 pm
MCI
- STL
1 stop5h 40m
Southwest
Tue 3/248:25 am
STL
- MCI
Nonstop1h 10m
Southwest
Deal found 2/16![Southwest logo]()
$195
This Southwest deal was found by Cheapflights users on 2/18. 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.
Sat 3/284:15 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Tue 3/319:00 am
MDW
- MCI
1 stop6h 50m
Southwest
Deal found 2/18![Southwest logo]()
$201
This Southwest deal was found by Cheapflights users on 2/18. 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 3/186:15 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Wed 3/259:05 pm
MDW
- MCI
Nonstop1h 35m
Southwest
Deal found 2/18![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/232:19 pm
MCI
- ORD
1 stop9h 40m
Frontier
Tue 3/247:47 pm
ORD
- MCI
1 stop15h 11m
Frontier
Deal found 2/17![Frontier logo]()
$204
This Southwest deal was found by Cheapflights users on 2/17. 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 5/52:00 pm
MCI
- STL
1 stop6h 00m
Southwest
Sat 5/162:10 pm
STL
- MCI
1 stop6h 40m
Southwest
Deal found 2/17![Southwest logo]()
$205
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 February 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 February 18, 2026.
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Thu 3/265:00 am
MCI
- STL
1 stop5h 03m
American Airlines
Mon 3/306:50 pm
STL
- MCI
1 stop5h 22m
American Airlines
Deal found 2/18![American Airlines logo]()
$167
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Fri 4/242:15 pm
MCI
- STL
1 stop4h 57m
Frontier
Sun 5/108:12 pm
STL
- MCI
1 stop17h 18m
Frontier
Deal found 2/17![Frontier logo]()
$192
This Southwest deal was found by Cheapflights users on 2/15. 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 3/266:55 pm
MCI
- STL
1 stop4h 15m
Southwest
Mon 3/304:05 pm
STL
- MCI
Nonstop1h 10m
Southwest
Deal found 2/15![Southwest logo]()
$203
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:17 pm
MCI
- MDW
1 stop6h 19m
Delta
Mon 5/47:16 pm
MDW
- MCI
1 stop3h 45m
Delta
Deal found 2/15![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 2/16. 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 4/188:00 am
MCI
- ORD
Nonstop1h 42m
United Airlines
Mon 4/207:05 am
ORD
- MCI
Nonstop1h 47m
United Airlines
Deal found 2/16![United Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 2/17. 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 5/55:25 am
MCI
- STL
1 stop4h 05m
Southwest
Sat 5/165:15 am
STL
- MCI
2 stops7h 20m
Southwest
Deal found 2/17![Southwest logo]()
$210
This Delta deal was found by Cheapflights users on 2/16. 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 3/176:41 pm
MCI
- ORD
1 stop5h 13m
Delta
Tue 3/247:10 am
ORD
- MCI
1 stop6h 20m
Delta
Deal found 2/16![Delta logo]()
$211
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Fri 5/12:15 pm
MCI
- STL
1 stop4h 57m
Frontier
Sun 5/38:12 pm
STL
- MCI
1 stop17h 18m
Frontier
Deal found 2/17![Frontier logo]()
$213
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 4/148:00 am
MCI
- ORD
Nonstop1h 42m
United Airlines
Mon 4/207:05 am
ORD
- MCI
Nonstop1h 47m
United Airlines
Deal found 2/18![United Airlines logo]()
$214
This KAYAK deal was found by Cheapflights users on 2/18. 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 4/144:17 pm
MCI
- STL
1 stop6h 02m
American Airlines
Wed 4/158:03 pm
STL
- MCI
1 stop3h 56m
American Airlines
Deal found 2/18![American Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 2/17. 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 4/157:15 am
MCI
- ORD
1 stop8h 50m
Southwest
Sat 4/1812:55 pm
ORD
- MCI
1 stop7h 20m
Southwest
Deal found 2/17![Southwest logo]()
$211
This Delta deal was found by Cheapflights users on 2/14. 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 4/146:30 am
MCI
- ORD
1 stop6h 15m
Delta
Tue 4/215:15 am
ORD
- MCI
1 stop6h 05m
Delta
Deal found 2/14![Delta logo]()
$211
This Delta deal was found by Cheapflights users on 2/16. 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 4/155:12 pm
MCI
- MDW
1 stop5h 16m
Delta
Sat 4/189:46 am
MDW
- MCI
1 stop7h 05m
Delta
Deal found 2/16![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 2/18. 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 4/17:45 am
MCI
- MDW
1 stop5h 25m
Southwest
Sat 4/47:55 am
MDW
- MCI
Nonstop1h 35m
Southwest
Deal found 2/18![Southwest logo]()
$213
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:45 am
MCI
- ORD
Nonstop1h 44m
American Airlines
Thu 3/56:56 am
ORD
- MCI
Nonstop1h 46m
American Airlines
Deal found 2/14![American Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 2/18. 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.
Wed 4/12:16 pm
MCI
- MDW
1 stop3h 38m
Delta
Sat 4/47:20 pm
MDW
- MCI
1 stop3h 43m
Delta
Deal found 2/18![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 2/15. 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 4/167:05 pm
MCI
- STL
1 stop3h 40m
Southwest
Mon 4/203:00 pm
STL
- MCI
1 stop6h 40m
Southwest
Deal found 2/15![Southwest logo]()
$213
This American Airlines deal was found by Cheapflights users on 2/17. 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 2/259:42 am
MCI
- STL
1 stop5h 46m
American Airlines
Sun 3/16:50 pm
STL
- MCI
1 stop5h 25m
American Airlines
Deal found 2/17![American Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 2/17. 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.
Tue 3/1712:17 pm
MCI
- MDW
1 stop6h 23m
Delta
Tue 3/249:35 am
MDW
- MCI
1 stop3h 55m
Delta
Deal found 2/17![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 2/18. 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 4/146:45 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Mon 4/209:30 pm
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 2/18![Southwest logo]()
$214
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Fri 2/277:57 pm
MCI
- STL
1 stop3h 38m
American Airlines
Sat 2/2810:43 am
STL
- MCI
1 stop6h 25m
American Airlines
Deal found 2/16![American Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 3/41:50 pm
MCI
- MLI
1 stop7h 04m
United Airlines
Sun 3/810:46 am
MLI
- MCI
1 stop3h 36m
United Airlines
Deal found 2/17![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 2/16. 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.
Sat 4/46:35 am
MCI
- ORD
1 stop6h 49m
Delta
Sat 4/117:10 am
ORD
- MCI
2 stops10h 46m
Delta
Deal found 2/16![Delta logo]()
$216
This Southwest deal was found by Cheapflights users on 2/16. 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 4/285:30 am
MCI
- ORD
1 stop5h 40m
Southwest
Tue 4/282:00 pm
ORD
- MCI
1 stop7h 05m
Southwest
Deal found 2/16![Southwest logo]()
$223
This United Airlines deal was found by Cheapflights users on 2/16. 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 3/33:22 pm
MCI
- MLI
1 stop3h 40m
United Airlines
Sat 3/78:20 am
MLI
- MCI
1 stop6h 06m
United Airlines
Deal found 2/16![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 2/15. 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.
Wed 4/110:37 am
MCI
- ORD
1 stop6h 06m
Delta
Wed 4/81:57 pm
ORD
- MCI
2 stops10h 15m
Delta
Deal found 2/15![Delta logo]()
$216
This Southwest deal was found by Cheapflights users on 2/17. 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 4/159:10 am
MCI
- MDW
Nonstop1h 25m
Southwest
Sat 4/1810:15 am
MDW
- MCI
1 stop7h 10m
Southwest
Deal found 2/17![Southwest logo]()
$224
This Southwest deal was found by Cheapflights users on 2/15. 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 3/91:15 pm
MCI
- MDW
1 stop4h 25m
Southwest
Tue 3/1712:00 pm
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 2/15![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
MCI
- MDW
1 stop6h 30m
Delta
Wed 8/59:30 am
MDW
- MCI
1 stop3h 45m
Delta
Deal found 2/15![Delta logo]()
$233
This Delta deal was found by Cheapflights users on 2/16. 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.
Sat 4/184:01 pm
MCI
- ORD
1 stop3h 51m
Delta
Mon 4/207:09 pm
ORD
- MCI
1 stop3h 52m
Delta
Deal found 2/16![Delta logo]()
$234
Last-minute flights from Kansas City to IllinoisDiscover last-minute flight deals from Kansas City to Illinois. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Illinois. Data last updated February 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/15. 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.
Fri 3/65:30 am
MCI
- ORD
1 stop5h 33m
American Airlines
Sun 3/86:56 am
ORD
- MCI
Nonstop1h 46m
American Airlines
Deal found 2/15![American Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 2/16. 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 3/175:00 pm
MCI
- STL
1 stop5h 40m
Southwest
Tue 3/248:25 am
STL
- MCI
Nonstop1h 10m
Southwest
Deal found 2/16![Southwest logo]()
$195
This Southwest deal was found by Cheapflights users on 2/18. 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 3/186:15 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Wed 3/259:05 pm
MDW
- MCI
Nonstop1h 35m
Southwest
Deal found 2/18![Southwest logo]()
$203
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 3/195:00 am
MCI
- ORD
Nonstop1h 41m
American Airlines
Thu 3/2610:11 pm
ORD
- MCI
Nonstop1h 43m
American Airlines
Deal found 2/17![American Airlines logo]()
$191
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 3/206:28 am
MCI
- ORD
Nonstop1h 52m
American Airlines
Sat 3/2810:11 pm
ORD
- MCI
Nonstop1h 43m
American Airlines
Deal found 2/17![American Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/232:19 pm
MCI
- ORD
1 stop9h 40m
Frontier
Tue 3/247:47 pm
ORD
- MCI
1 stop15h 11m
Frontier
Deal found 2/17![Frontier logo]()
$204
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Thu 3/265:00 am
MCI
- STL
1 stop5h 03m
American Airlines
Mon 3/306:50 pm
STL
- MCI
1 stop5h 22m
American Airlines
Deal found 2/18![American Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 3/265:00 am
MCI
- ORD
Nonstop1h 41m
American Airlines
Sun 3/296:56 am
ORD
- MCI
Nonstop1h 46m
American Airlines
Deal found 2/17![American Airlines logo]()
$192
This Southwest deal was found by Cheapflights users on 2/18. 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 3/2612:40 pm
MCI
- STL
Nonstop1h 05m
Southwest
Mon 3/304:05 pm
STL
- MCI
Nonstop1h 10m
Southwest
Deal found 2/18![Southwest logo]()
$193
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 3/275:00 am
MCI
- STL
1 stop3h 51m
American Airlines
Mon 3/306:50 pm
STL
- MCI
1 stop5h 22m
American Airlines
Deal found 2/17![American Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 2/18. 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.
Sat 3/284:15 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Tue 3/3110:30 am
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 2/18![Southwest logo]()
$191
This Southwest deal was found by Cheapflights users on 2/16. 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 3/284:15 pm
MCI
- MDW
Nonstop1h 25m
Southwest
Wed 4/17:35 am
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 2/16![Southwest logo]()
$208
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 February 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 February 18, 2026.
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Sat 4/1811:30 am
MCI
- ORD
Nonstop1h 43m
United Airlines
Deal found 2/15![United Airlines logo]()
$56
This Southwest deal was found by Cheapflights users on 2/15. 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 4/185:20 am
MCI
- MDW
Nonstop1h 25m
Southwest
Deal found 2/15![Southwest logo]()
$56
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Sat 6/136:00 am
MCI
- ORD
Nonstop1h 58m
United Airlines
Deal found 2/15![United Airlines logo]()
$67
This American Airlines deal was found by Cheapflights users on 2/15. 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.
Sun 5/37:05 am
MCI
- ORD
Nonstop1h 54m
American Airlines
Deal found 2/15![American Airlines logo]()
$76
This Delta deal was found by Cheapflights users on 2/16. 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.
Sat 4/1110:37 am
MCI
- ORD
1 stop5h 41m
Delta
Deal found 2/16![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 2/16. 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.
Sat 4/116:35 am
MCI
- MDW
1 stop5h 54m
Delta
Deal found 2/16![Delta logo]()
$79
This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:45 am
MCI
- ORD
1 stop6h 12m
Frontier
Deal found 2/18![Frontier logo]()
$80
This Priceline deal was found by Cheapflights users on 2/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:13 am
MCI
- MDW
1 stop8h 18m
Frontier
Deal found 2/17![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 2/17. 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 4/162:15 pm
MCI
- STL
1 stop4h 57m
Frontier
Deal found 2/17![Frontier logo]()
$80
This Delta deal was found by Cheapflights users on 2/14. 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.
Sat 5/306:30 am
MCI
- ORD
2 stops10h 22m
Delta
Deal found 2/14![Delta logo]()
$84
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
MCI
- MDW
2 stops6h 43m
Delta
Deal found 2/15![Delta logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 4/172:15 pm
MCI
- STL
1 stop28h 57m
Frontier
Deal found 2/15![Frontier logo]()
$84
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 February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (American Airlines) |
One-way from | $56 (United Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $280 |
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 February 18, 2026.
Use the filters below to find and compare flights from Kansas City to Illinois that are best for you.
Fly from
Kansas City
Fly to
Illinois
Route
Depart
Return
Price
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 3/26
5:00 am-10:03 am
1 stop5h 03m
Lambert-St Louis
Mon 3/30
6:50 pm-12:12 am
1 stop5h 22m
$167
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Fri 4/24
2:15 pm-7:12 pm
1 stop4h 57m
Lambert-St Louis
Sun 5/10
8:12 pm-1:30 pm
1 stop17h 18m
$192
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 3/26
6:55 pm-11:10 pm
1 stop4h 15m
Lambert-St Louis
Mon 3/30
4:05 pm-5:15 pm
Nonstop1h 10m
$203
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Sat 5/2
12:17 pm-6:36 pm
1 stop6h 19m
Chicago Midway
Mon 5/4
7:16 pm-11:01 pm
1 stop3h 45m
$207
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 5/5
5:25 am-9:30 am
1 stop4h 05m
Lambert-St Louis
Sat 5/16
5:15 am-12:35 pm
2 stops7h 20m
$210
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Tue 3/17
6:41 pm-11:54 pm
1 stop5h 13m
Chicago O'Hare Intl
Tue 3/24
7:10 am-1:30 pm
1 stop6h 20m
$211
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Wed 4/15
7:15 am-4:05 pm
1 stop8h 50m
Chicago O'Hare Intl
Sat 4/18
12:55 pm-8:15 pm
1 stop7h 20m
$211
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Tue 4/14
6:30 am-12:45 pm
1 stop6h 15m
Chicago O'Hare Intl
Tue 4/21
5:15 am-11:20 am
1 stop6h 05m
$211
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Wed 4/15
5:12 pm-10:28 pm
1 stop5h 16m
Chicago Midway
Sat 4/18
9:46 am-4:51 pm
1 stop7h 05m
$211
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Wed 4/1
2:16 pm-5:54 pm
1 stop3h 38m
Chicago Midway
Sat 4/4
7:20 pm-11:03 pm
1 stop3h 43m
$211
Showing 1-10 of 56 results
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-STL
MCI-ORD
MCI-MDW
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-STL
MCI-ORD
MCI-MDW
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 $100). Flying from Kansas City to Illinois in February is currently the most expensive (average of $243). 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 February 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 25% on airfare.
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 February 17, 2026.
Travelers seeking maximum savings on their Kansas City to Illinois flight should consider departing on Saturday at noon 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.
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 February 18, 2026.
The most flights from MCI to USIL are scheduled on a Monday (64 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).
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 February 18, 2026.
Read through reviews of airlines operating flights from Kansas City to Illinois, such as Southwest, United Airlines, and American 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
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Kansas City 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 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 February 18, 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 3 airlines flying from Kansas City to Illinois
Discover the top 3 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 February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$171 | Average$327 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$188 | Average$321 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$214 | Average$368 | FlexibilityNo cancel fee | On-time63% |