$59+ Cheap flights from Illinois to Wisconsin
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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Apr 20 — Apr 271
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Wisconsin with Cheapflights
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Cheapest flights from Illinois to WisconsinExplore the most affordable flight options available from Illinois to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2026.
Explore the most affordable flight options available from Illinois to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2026.
This Delta deal was found by Cheapflights users on 3/18. 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 4/155:35 pm
STL
- MSP
Nonstop1h 34m
Delta
Wed 4/229:39 pm
MSP
- STL
Nonstop1h 34m
Delta
Deal found 3/18![Delta logo]()
$117
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/144:05 pm
ORD
- MSP
Nonstop1h 38m
United Airlines
Tue 4/215:15 pm
MSP
- ORD
Nonstop1h 39m
United Airlines
Deal found 3/17![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 3/16. 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 4/2110:45 am
MDW
- MSP
Nonstop1h 35m
Southwest
Wed 4/2210:05 am
MSP
- MDW
Nonstop1h 30m
Southwest
Deal found 3/16![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 3/18. 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 4/155:35 am
STL
- MSP
1 stop3h 50m
Southwest
Wed 4/227:50 am
MSP
- STL
Nonstop1h 30m
Southwest
Deal found 3/18![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 3/17. 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 4/148:55 pm
STL
- MSP
Nonstop1h 35m
Southwest
Tue 4/212:15 pm
MSP
- STL
2 stops7h 55m
Southwest
Deal found 3/17![Southwest logo]()
$132
This Super.com deal was found by Cheapflights users on 3/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:27 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Mon 4/204:24 pm
MSP
- ORD
Nonstop1h 36m
Sun Country Air
Deal found 3/19![Sun Country Air logo]()
$136
This Southwest deal was found by Cheapflights users on 3/18. 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 4/156:35 am
STL
- MSP
1 stop6h 35m
Southwest
Wed 4/156:15 pm
MSP
- STL
1 stop3h 55m
Southwest
Deal found 3/18![Southwest logo]()
$137
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:50 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Fri 4/1710:24 am
MSP
- ORD
Nonstop1h 36m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$137
This Mytrip deal was found by Cheapflights users on 3/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:50 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Mon 4/204:24 pm
MSP
- ORD
Nonstop1h 36m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$138
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:01 am
ORD
- MSP
1 stop7h 44m
Frontier
Mon 4/2011:47 am
MSP
- ORD
1 stop13h 12m
Frontier
Deal found 3/20![Frontier logo]()
$141
This Southwest deal was found by Cheapflights users on 3/17. 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 4/142:40 pm
ORD
- MSP
1 stop8h 25m
Southwest
Tue 4/216:55 am
MSP
- ORD
1 stop8h 05m
Southwest
Deal found 3/17![Southwest logo]()
$142
This Trip.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:05 pm
ORD
- MSP
Nonstop1h 46m
Multiple Airlines
Sat 4/116:21 pm
MSP
- ORD
1 stop6h 17m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$143
Best flights from Illinois to WisconsinDiscover carefully curated flight deals from Illinois to Wisconsin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 21, 2026.
Discover carefully curated flight deals from Illinois to Wisconsin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 21, 2026.
This Southwest deal was found by Cheapflights users on 3/19. 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.
Tue 4/217:55 am
MDW
- MSP
Nonstop1h 30m
Southwest
Wed 4/297:50 am
MSP
- MDW
1 stop3h 45m
Southwest
Deal found 3/19![Southwest logo]()
$127
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 5/136:24 am
ORD
- MSP
Nonstop1h 41m
Delta
Mon 5/185:38 pm
MSP
- ORD
Nonstop1h 42m
Delta
Deal found 3/21![Delta logo]()
$147
This Sun Country Air deal was found by Cheapflights users on 3/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:19 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Thu 7/303:40 pm
MSP
- ORD
Nonstop1h 49m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$154
This United Airlines deal was found by Cheapflights users on 3/18. 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 5/278:49 am
ORD
- MKE
Nonstop1h 08m
United Airlines
Wed 6/36:05 am
MKE
- ORD
Nonstop1h 10m
United Airlines
Deal found 3/18![United Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 5/24:09 pm
ORD
- MKE
Nonstop1h 02m
American Airlines
Sat 5/99:08 am
MKE
- ORD
Nonstop1h 12m
American Airlines
Deal found 3/18![American Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 3/16. 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 4/212:40 pm
ORD
- MSP
1 stop8h 25m
Southwest
Wed 4/227:10 am
MSP
- ORD
1 stop5h 40m
Southwest
Deal found 3/16![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 3/19. 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.
Tue 4/212:40 pm
ORD
- MSP
1 stop8h 25m
Southwest
Wed 4/296:55 am
MSP
- ORD
1 stop8h 05m
Southwest
Deal found 3/19![Southwest logo]()
$142
This Sun Country Air deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:25 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Mon 6/84:20 pm
MSP
- ORD
Nonstop1h 49m
Sun Country Air
Deal found 3/21![Sun Country Air logo]()
$174
This Delta deal was found by Cheapflights users on 3/18. 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 4/148:52 am
ORD
- MSP
1 stop4h 28m
Delta
Wed 4/154:36 pm
MSP
- ORD
Nonstop1h 37m
Delta
Deal found 3/18![Delta logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
ORD
- MSN
1 stop9h 56m
Multiple Airlines
Sat 4/259:48 am
MSN
- ORD
1 stop8h 32m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:32 pm
ORD
- MSP
Nonstop1h 43m
Delta
Sat 5/96:10 am
MSP
- ORD
1 stop6h 46m
Delta
Deal found 3/19![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 3/18. 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 5/137:50 am
MDW
- MSP
2 stops6h 45m
Southwest
Mon 5/188:20 am
MSP
- MDW
Nonstop1h 30m
Southwest
Deal found 3/18![Southwest logo]()
$162
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/188:21 am
STL
- ORD
Nonstop1h 29m
United Airlines
Tue 4/217:45 pm
ORD
- STL
Nonstop1h 28m
United Airlines
Deal found 3/16![United Airlines logo]()
$214
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:25 am
ORD
- MSP
Nonstop1h 46m
Delta
Mon 4/208:00 pm
MSP
- ORD
Nonstop1h 38m
Delta
Deal found 3/20![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:40 am
STL
- MSP
1 stop4h 00m
Southwest
Wed 5/207:50 am
MSP
- STL
Nonstop1h 30m
Southwest
Deal found 3/20![Southwest logo]()
$164
This Sun Country Air deal was found by Cheapflights users on 3/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:25 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Sun 8/93:35 pm
MSP
- ORD
Nonstop1h 49m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$204
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/178:55 am
ORD
- MKE
Nonstop1h 05m
United Airlines
Sun 4/195:10 am
MKE
- ORD
Nonstop1h 09m
United Airlines
Deal found 3/17![United Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 3/18. 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.
Mon 4/139:45 pm
STL
- MSP
Nonstop1h 35m
Southwest
Wed 4/155:20 am
MSP
- STL
2 stops7h 30m
Southwest
Deal found 3/18![Southwest logo]()
$169
This Delta deal was found by Cheapflights users on 3/16. 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 5/237:00 am
ORD
- MSP
1 stop6h 35m
Delta
Tue 5/267:45 pm
MSP
- ORD
Nonstop1h 35m
Delta
Deal found 3/16![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 3/16. 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 4/85:25 pm
STL
- MSP
Nonstop1h 38m
Delta
Wed 4/159:39 pm
MSP
- STL
Nonstop1h 35m
Delta
Deal found 3/16![Delta logo]()
$191
This Southwest deal was found by Cheapflights users on 3/19. 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.
Mon 5/48:05 am
MDW
- MSP
Nonstop1h 35m
Southwest
Mon 5/115:20 am
MSP
- MDW
Nonstop1h 30m
Southwest
Deal found 3/19![Southwest logo]()
$177
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Thu 4/95:00 am
ORD
- MKE
1 stop5h 59m
American Airlines
Mon 4/138:11 am
MKE
- ORD
Nonstop1h 14m
American Airlines
Deal found 3/16![American Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/176:30 am
MLI
- ORD
Nonstop1h 16m
United Airlines
Mon 4/201:00 pm
ORD
- MLI
Nonstop1h 09m
United Airlines
Deal found 3/16![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:15 am
MDW
- MSP
Nonstop1h 35m
Southwest
Mon 4/205:20 am
MSP
- MDW
Nonstop1h 30m
Southwest
Deal found 3/20![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:35 am
MLI
- ORD
Nonstop1h 18m
United Airlines
Mon 5/1112:45 pm
ORD
- MLI
Nonstop1h 09m
United Airlines
Deal found 3/20![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 3/17. 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 4/146:48 am
STL
- MKE
1 stop6h 26m
Delta
Tue 4/219:35 am
MKE
- STL
1 stop3h 30m
Delta
Deal found 3/17![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:50 pm
ORD
- MSN
Nonstop1h 04m
United Airlines
Sun 5/32:30 pm
MSN
- ORD
Nonstop1h 12m
United Airlines
Deal found 3/19![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 3/16. 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 5/167:40 am
MDW
- MSP
Nonstop1h 30m
Southwest
Wed 5/204:30 pm
MSP
- MDW
1 stop5h 20m
Southwest
Deal found 3/16![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:42 am
ORD
- MSP
Nonstop1h 36m
Delta
Sat 5/168:55 am
MSP
- ORD
1 stop4h 01m
Delta
Deal found 3/20![Delta logo]()
$207
This KAYAK deal was found by Cheapflights users on 3/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:54 am
ORD
- MKE
Nonstop0h 55m
American Airlines
Fri 4/312:14 pm
MKE
- ORD
Nonstop1h 05m
American Airlines
Deal found 3/19![American Airlines logo]()
$343
Last-minute flights from Illinois to WisconsinDiscover last-minute flight deals from Illinois to Wisconsin. Data last updated March 21, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Wisconsin. Data last updated March 21, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:05 pm
ORD
- MSP
Nonstop1h 46m
Multiple Airlines
Sat 4/116:21 pm
MSP
- ORD
1 stop6h 17m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$143
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/144:05 pm
ORD
- MSP
Nonstop1h 38m
United Airlines
Tue 4/215:15 pm
MSP
- ORD
Nonstop1h 39m
United Airlines
Deal found 3/17![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 3/17. 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 4/148:55 pm
STL
- MSP
Nonstop1h 35m
Southwest
Tue 4/212:15 pm
MSP
- STL
2 stops7h 55m
Southwest
Deal found 3/17![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 3/17. 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 4/142:40 pm
ORD
- MSP
1 stop8h 25m
Southwest
Wed 4/157:10 am
MSP
- ORD
1 stop5h 40m
Southwest
Deal found 3/17![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 3/18. 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 4/158:25 am
STL
- MSP
Nonstop1h 35m
Southwest
Wed 4/154:30 pm
MSP
- STL
Nonstop1h 30m
Southwest
Deal found 3/18![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 3/18. 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 4/155:35 am
STL
- MSP
1 stop3h 50m
Southwest
Wed 4/227:50 am
MSP
- STL
Nonstop1h 30m
Southwest
Deal found 3/18![Southwest logo]()
$127
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:50 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Fri 4/1710:24 am
MSP
- ORD
Nonstop1h 36m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$137
This Mytrip deal was found by Cheapflights users on 3/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:50 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Mon 4/204:24 pm
MSP
- ORD
Nonstop1h 36m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$138
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:01 am
ORD
- MSP
1 stop7h 44m
Frontier
Mon 4/2011:47 am
MSP
- ORD
1 stop13h 12m
Frontier
Deal found 3/20![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 3/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:27 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Mon 4/204:24 pm
MSP
- ORD
Nonstop1h 36m
Sun Country Air
Deal found 3/19![Sun Country Air logo]()
$136
This Southwest deal was found by Cheapflights users on 3/16. 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 4/2110:45 am
MDW
- MSP
Nonstop1h 35m
Southwest
Wed 4/2210:05 am
MSP
- MDW
Nonstop1h 30m
Southwest
Deal found 3/16![Southwest logo]()
$117
This Super.com deal was found by Cheapflights users on 3/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:35 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Sun 4/264:12 pm
MSP
- ORD
Nonstop1h 36m
Sun Country Air
Deal found 3/18![Sun Country Air logo]()
$146
One-way flights from Illinois to WisconsinSearch for one-way flight options from Illinois to Wisconsin. Find affordable one-way fares based on user searches. Data last updated March 21, 2026.
Search for one-way flight options from Illinois to Wisconsin. Find affordable one-way fares based on user searches. Data last updated March 21, 2026.
This Southwest deal was found by Cheapflights users on 3/17. 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 4/88:25 am
STL
- MSP
Nonstop1h 35m
Southwest
Deal found 3/17![Southwest logo]()
$59
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:45 am
STL
- ORD
Nonstop1h 27m
United Airlines
Deal found 3/19![United Airlines logo]()
$59
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 5/57:05 am
STL
- ORD
Nonstop1h 31m
American Airlines
Deal found 3/17![American Airlines logo]()
$66
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:05 pm
ORD
- MSP
Nonstop1h 46m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:06 pm
ORD
- MSP
Nonstop1h 44m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$69
This Southwest deal was found by Cheapflights users on 3/17. 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 4/144:50 pm
MDW
- MSP
1 stop6h 15m
Southwest
Deal found 3/17![Southwest logo]()
$69
This Southwest deal was found by Cheapflights users on 3/17. 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 5/57:35 am
STL
- ORD
1 stop5h 15m
Southwest
Deal found 3/17![Southwest logo]()
$69
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:01 am
ORD
- MSP
1 stop7h 44m
Frontier
Deal found 3/20![Frontier logo]()
$70
This Priceline deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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.
Fri 5/17:01 pm
STL
- ORD
1 stop5h 51m
Frontier
Deal found 3/21![Frontier logo]()
$70
This Southwest deal was found by Cheapflights users on 3/16. 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 4/292:40 pm
ORD
- MSP
1 stop8h 25m
Southwest
Deal found 3/16![Southwest logo]()
$74
This Southwest deal was found by Cheapflights users on 3/17. 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 5/197:50 am
MDW
- MSP
2 stops6h 45m
Southwest
Deal found 3/17![Southwest logo]()
$74
This Southwest deal was found by Cheapflights users on 3/17. 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 4/142:10 pm
STL
- ORD
2 stops7h 45m
Southwest
Deal found 3/17![Southwest logo]()
$74
Find flight deals from Illinois to Wisconsin
Keep the following information in mind while searching for Illinois to Wisconsin flight deals. Data was last updated March 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Delta) |
One-way from | $59 (Southwest) |
Good round-trip deal | $205 or less |
Good one-way deal | $130 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Wisconsin 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 March 21, 2026.
Use the filters below to find and compare flights from Illinois to Wisconsin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoMinneapolis
MDW - MSP
MDWMSP
Chicago Midway
Tue 4/21
7:55 am-9:25 am
Nonstop1h 30m
Minneapolis St Paul
Wed 4/29
7:50 am-11:35 am
1 stop3h 45m
$127
ChicagoMinneapolis
ORD - MSP
ORDMSP
Chicago O'Hare Intl
Tue 4/21
2:40 pm-11:05 pm
1 stop8h 25m
Minneapolis St Paul
Wed 4/22
7:10 am-12:50 pm
1 stop5h 40m
$142
ChicagoMinneapolis
ORD - MSP
ORDMSP
Chicago O'Hare Intl
Tue 4/21
2:40 pm-11:05 pm
1 stop8h 25m
Minneapolis St Paul
Wed 4/29
6:55 am-3:00 pm
1 stop8h 05m
$142
ChicagoMinneapolis
ORD - MSP
ORDMSP
Chicago O'Hare Intl
Wed 5/13
6:24 am-8:05 am
Nonstop1h 41m
Minneapolis St Paul
Mon 5/18
5:38 pm-7:20 pm
Nonstop1h 42m
$147
ChicagoMinneapolis
ORD - MSP
ORDMSP
Chicago O'Hare Intl
Tue 7/28
12:19 pm-2:05 pm
Nonstop1h 46m
Minneapolis St Paul
Thu 7/30
3:40 pm-5:29 pm
Nonstop1h 49m
$154
ChicagoMinneapolis
MDW - MSP
MDWMSP
Chicago Midway
Wed 5/13
7:50 am-2:35 pm
2 stops6h 45m
Minneapolis St Paul
Mon 5/18
8:20 am-9:50 am
Nonstop1h 30m
$162
St. LouisMinneapolis
STL - MSP
STLMSP
Lambert-St Louis
Mon 5/18
5:40 am-9:40 am
1 stop4h 00m
Minneapolis St Paul
Wed 5/20
7:50 am-9:20 am
Nonstop1h 30m
$164
St. LouisMinneapolis
STL - MSP
STLMSP
Lambert-St Louis
Mon 4/13
9:45 pm-11:20 pm
Nonstop1h 35m
Minneapolis St Paul
Wed 4/15
5:20 am-12:50 pm
2 stops7h 30m
$169
ChicagoMinneapolis
ORD - MSP
ORDMSP
Chicago O'Hare Intl
Fri 6/5
6:25 pm-8:11 pm
Nonstop1h 46m
Minneapolis St Paul
Mon 6/8
4:20 pm-6:09 pm
Nonstop1h 49m
$174
ChicagoMinneapolis
ORD - MSP
ORDMSP
Chicago O'Hare Intl
Tue 4/14
8:52 am-1:20 pm
1 stop4h 28m
Minneapolis St Paul
Wed 4/15
4:36 pm-6:13 pm
Nonstop1h 37m
$177
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Wisconsin
Have a flexible travel schedule? Discover the best time to fly to Wisconsin from Illinois with our price prediction graph.
MDW-MSP
ORD-MSP
ORD-MKE
ORD-MSN
STL-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Wisconsin
USIL-USWI
MDW-MSP
ORD-MSP
ORD-MKE
ORD-MSN
What is the cheapest month to book a flight from Illinois to Wisconsin?
Currently, September is the cheapest month in which you can book a flight from Illinois to Wisconsin (average of $178). Flying from Illinois to Wisconsin in March is currently the most expensive (average of $294). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to WI?
Find hourly flight availability from Illinois to Wisconsin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 21, 2026.
One of the essential ways to save on airfare from Illinois to Wisconsin is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 8% on airfare.
What is the cheapest day to fly from Illinois to Wisconsin?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Wisconsin. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Illinois to Wisconsin flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Illinois to Wisconsin
Explore weekly flight availability from Illinois to Wisconsin. 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 March 21, 2026.
The most flights from USIL to USWI are scheduled on a Thursday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).
Reviews of airlines servicing Wisconsin
Get insights into the airlines that provide service to Wisconsin. 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 Wisconsin. Reviews last updated March 21, 2026.
Read through reviews of airlines operating flights from Illinois to Wisconsin, such as United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Illinois to Wisconsin. 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
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Alternative routes for Illinois to Wisconsin
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Wisconsin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Wisconsin by cabin class
Find flights from Illinois to Wisconsin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Wisconsin flights
Browse other Illinois and Wisconsin flight options. Last updated on March 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Wisconsin
Find the right flight back to Illinois after your stay in Wisconsin
Illinois to Wisconsin flights
Consider these flights traveling from Illinois to Wisconsin.
Top 2 airlines flying from Illinois to Wisconsin
Discover the top 2 airlines that operate flights from Illinois to Wisconsin. 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 March 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$258 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$345 | FlexibilityNo cancel fee | On-time69% |