$59+ Cheap flights from Wisconsin 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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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
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Cheapest flights from Wisconsin to IllinoisExplore the most affordable flight options available from Wisconsin to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
Explore the most affordable flight options available from Wisconsin to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 9/127:05 am -
Nonstop1h 43m
Mon 9/147:13 pm -
Nonstop1h 47m
Deal found 8/21![Delta logo]()
$117
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/198:05 pm -
Nonstop1h 33m
Mon 9/216:10 am -
Nonstop1h 36m
Deal found 8/24![Delta logo]()
$117
This Frontier deal was found by Cheapflights users on 8/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:43 pm -
1 stop6h 10m
Sat 10/317:25 am -
1 stop7h 23m
Deal found 8/19![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 8/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:33 pm -
1 stop9h 50m
Thu 9/177:28 pm -
1 stop13h 03m
Deal found 8/21![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 8/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:08 pm -
1 stop9h 30m
Mon 9/145:55 am -
1 stop12h 06m
Deal found 8/21![Frontier logo]()
$119
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Thu 10/293:26 pm -
1 stop8h 21m
Tue 11/36:16 am -
1 stop7h 50m
Deal found 8/20![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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.
Mon 9/147:54 pm -
1 stop15h 38m
Thu 9/1710:20 am -
1 stop7h 41m
Deal found 8/24![Frontier logo]()
$125
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 12/176:00 am -
Nonstop1h 51m
Mon 12/219:54 pm -
Nonstop1h 36m
Deal found 8/22![United Airlines logo]()
$125
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/151:55 pm -
1 stop6h 15m
Thu 9/178:00 am -
Nonstop1h 45m
Deal found 8/24![Southwest logo]()
$127
This CheapOair deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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.
Sat 9/129:30 am -
1 stop8h 53m
Tue 9/156:30 am -
1 stop7h 08m
Deal found 8/22![Frontier logo]()
$127
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:30 am -
1 stop8h 53m
Tue 9/296:30 am -
1 stop17h 38m
Deal found 8/19![Frontier logo]()
$128
This Justfly.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:10 am -
Nonstop1h 38m
Wed 9/236:30 am -
1 stop7h 08m
Deal found 8/24![Multiple Airlines logo]()
$129
Best flights from Wisconsin to IllinoisDiscover carefully curated flight deals from Wisconsin to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
Discover carefully curated flight deals from Wisconsin to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:16 pm -
Nonstop1h 46m
Sat 10/242:10 pm -
Nonstop1h 43m
Deal found 8/20![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 8/19. 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 11/95:25 pm -
1 stop5h 15m
Thu 11/1210:05 pm -
Nonstop1h 30m
Deal found 8/19![Southwest logo]()
$127
This Sun Country Air deal was found by Cheapflights users on 8/19. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:40 pm -
Nonstop1h 38m
Mon 11/211:45 am -
Nonstop1h 41m
Deal found 8/19![Sun Country Air logo]()
$138
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/177:05 am -
1 stop6h 01m
Mon 9/211:55 pm -
1 stop4h 31m
Deal found 8/23![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:16 pm -
Nonstop1h 44m
Tue 9/2210:25 am -
Nonstop1h 40m
Deal found 8/21![United Airlines logo]()
$117
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/95:43 am -
Nonstop1h 32m
Wed 9/168:15 am -
Nonstop1h 20m
Deal found 8/19![American Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:50 am -
Nonstop1h 30m
Tue 10/62:20 pm -
2 stops8h 25m
Deal found 8/22![Southwest logo]()
$132
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 11/239:43 am -
Nonstop1h 46m
Fri 11/276:06 pm -
Nonstop1h 39m
Deal found 8/22![United Airlines logo]()
$134
This Sun Country Air deal was found by Cheapflights users on 8/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:05 pm -
Nonstop1h 38m
Sun 10/115:45 pm -
Nonstop1h 36m
Deal found 8/20![Sun Country Air logo]()
$148
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:35 am -
Nonstop1h 30m
Sat 10/311:55 am -
2 stops10h 15m
Deal found 8/22![Southwest logo]()
$138
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:19 am -
1 stop4h 18m
Mon 10/266:47 am -
1 stop6h 12m
Deal found 8/20![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:22 am -
Nonstop1h 44m
Fri 10/236:27 pm -
Nonstop1h 35m
Deal found 8/21![United Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:35 pm -
Nonstop1h 25m
Sat 10/241:45 pm -
1 stop6h 15m
Deal found 8/24![Southwest logo]()
$144
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 12/51:16 pm -
Nonstop1h 39m
Tue 12/87:00 am -
1 stop6h 38m
Deal found 8/21![Delta logo]()
$177
This JetBlue deal was found by Cheapflights users on 8/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:55 am -
1 stop8h 06m
Mon 9/148:24 pm -
1 stop13h 38m
Deal found 8/19![JetBlue logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/710:51 am -
1 stop25h 59m
Fri 9/116:30 am -
1 stop16h 37m
Deal found 8/23![Multiple Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 8/20. 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.
Wed 9/166:55 am -
Nonstop1h 45m
Wed 9/236:45 pm -
1 stop5h 35m
Deal found 8/20![Delta logo]()
$184
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/57:18 am -
Nonstop1h 11m
Mon 10/1210:00 pm -
Nonstop0h 59m
Deal found 8/23![United Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 11/55:15 pm -
1 stop6h 50m
Sun 11/88:05 am -
Nonstop1h 35m
Deal found 8/22![Southwest logo]()
$182
This American Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/76:00 am -
Nonstop1h 27m
Sun 10/184:59 pm -
Nonstop1h 18m
Deal found 8/24![American Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/206:00 am -
1 stop6h 59m
Fri 10/236:20 am -
Nonstop1h 34m
Deal found 8/24![Delta logo]()
$194
This Southwest deal was found by Cheapflights users on 8/19. 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.
Fri 9/115:45 am -
Nonstop1h 25m
Mon 9/148:00 am -
Nonstop1h 45m
Deal found 8/19![Southwest logo]()
$184
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:04 pm -
Nonstop1h 28m
Sun 9/138:15 am -
Nonstop1h 20m
Deal found 8/20![American Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/246:15 am -
Nonstop1h 11m
Fri 10/95:59 am -
Nonstop1h 08m
Deal found 8/22![United Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:45 am -
1 stop3h 30m
Mon 9/288:55 pm -
Nonstop1h 35m
Deal found 8/21![Southwest logo]()
$184
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:15 am -
Nonstop1h 31m
Sun 9/1311:00 pm -
Nonstop1h 17m
Deal found 8/21![American Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:42 am -
Nonstop1h 11m
Sat 10/319:20 pm -
Nonstop0h 55m
Deal found 8/21![United Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/226:05 am -
1 stop6h 54m
Tue 9/298:25 am -
Nonstop1h 39m
Deal found 8/23![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:30 am -
2 stops8h 10m
Sat 11/147:00 am -
2 stops12h 45m
Deal found 8/21![Southwest logo]()
$193
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Tue 10/138:29 am -
1 stop5h 24m
Thu 10/1510:31 am -
1 stop6h 01m
Deal found 8/19![Delta logo]()
$213
Last-minute flights from Wisconsin to IllinoisDiscover last-minute flight deals from Wisconsin to Illinois. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Illinois. Data last updated August 24, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/20. 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 9/107:40 am -
Nonstop1h 30m
Sat 9/126:35 am -
1 stop9h 35m
Deal found 8/20![Southwest logo]()
$133
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 9/127:05 am -
Nonstop1h 43m
Mon 9/147:13 pm -
Nonstop1h 47m
Deal found 8/21![Delta logo]()
$117
This Frontier deal was found by Cheapflights users on 8/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:08 pm -
1 stop9h 30m
Mon 9/145:55 am -
1 stop12h 06m
Deal found 8/21![Frontier logo]()
$119
This CheapOair deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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.
Sat 9/129:30 am -
1 stop8h 53m
Tue 9/156:30 am -
1 stop7h 08m
Deal found 8/22![Frontier logo]()
$127
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/151:55 pm -
1 stop6h 15m
Thu 9/178:00 am -
Nonstop1h 45m
Deal found 8/24![Southwest logo]()
$127
This CheapOair deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:33 pm -
1 stop9h 50m
Thu 9/176:00 am -
1 stop12h 01m
Deal found 8/22![Frontier logo]()
$132
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/198:05 pm -
Nonstop1h 33m
Mon 9/216:10 am -
Nonstop1h 36m
Deal found 8/24![Delta logo]()
$117
This Expedia deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:30 am -
1 stop8h 53m
Mon 9/216:00 am -
1 stop12h 01m
Deal found 8/24![Frontier logo]()
$118
This Justfly.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:10 am -
Nonstop1h 38m
Wed 9/236:30 am -
1 stop7h 08m
Deal found 8/24![Multiple Airlines logo]()
$129
This Super.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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.
Tue 9/227:00 am -
1 stop17h 23m
Tue 9/296:30 am -
1 stop17h 38m
Deal found 8/23![Frontier logo]()
$130
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/229:05 am -
2 stops6h 55m
Tue 9/295:10 pm -
Nonstop1h 35m
Deal found 8/23![Southwest logo]()
$132
This CheapOair deal was found by Cheapflights users on 8/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:30 am -
1 stop8h 53m
Tue 9/296:30 am -
1 stop17h 38m
Deal found 8/21![Frontier logo]()
$128
One-way flights from Wisconsin to IllinoisSearch for one-way flight options from Wisconsin to Illinois. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
Search for one-way flight options from Wisconsin to Illinois. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/2611:41 am -
Nonstop1h 39m
Deal found 8/24![Delta logo]()
$59
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:20 pm -
Nonstop1h 25m
Deal found 8/24![Southwest logo]()
$59
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/148:05 pm -
Nonstop1h 31m
Deal found 8/24![United Airlines logo]()
$59
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/158:00 pm -
Nonstop1h 33m
Deal found 8/24![Delta logo]()
$59
This CheapOair deal was found by Cheapflights users on 8/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:30 am -
1 stop8h 21m
Deal found 8/20![Frontier logo]()
$60
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:55 am -
Nonstop1h 23m
Deal found 8/21![American Airlines logo]()
$60
This Frontier deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/67:54 pm -
1 stop9h 44m
Deal found 8/22![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 8/20. 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.
Wed 9/167:54 pm -
1 stop9h 44m
Deal found 8/20![Frontier logo]()
$61
This Super.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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.
Sun 9/138:43 am -
1 stop9h 03m
Deal found 8/23![Frontier logo]()
$64
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:45 am -
1 stop5h 58m
Deal found 8/21![United Airlines logo]()
$64
This Super.com deal was found by Cheapflights users on 8/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:43 am -
1 stop9h 40m
Deal found 8/20![Frontier logo]()
$64
This Priceline deal was found by Cheapflights users on 8/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:43 am -
1 stop9h 03m
Deal found 8/20![Frontier logo]()
$65
Find flight deals from Wisconsin to Illinois
Keep the following information in mind while searching for Wisconsin to Illinois flight deals. Data was last updated August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Delta) |
One-way from | $59 (Delta) |
Good round-trip deal | $338 or less |
Good one-way deal | $202 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Wisconsin to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 24, 2026.
Use the filters below to find and compare flights from Wisconsin to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Sat 10/17
1:16 pm-3:02 pm
Nonstop1h 46m
Chicago O'Hare Intl
Sat 10/24
2:10 pm-3:53 pm
Nonstop1h 43m
$117
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Mon 9/21
1:16 pm-3:00 pm
Nonstop1h 44m
Chicago O'Hare Intl
Tue 9/22
10:25 am-12:05 pm
Nonstop1h 40m
$117
MinneapolisChicago
MSP Minneapolis St Paul - MDW Chicago Midway
MSPMDW
Minneapolis St Paul
Mon 11/9
5:25 pm-10:40 pm
1 stop5h 15m
Chicago Midway
Thu 11/12
10:05 pm-11:35 pm
Nonstop1h 30m
$127
MinneapolisSt. Louis
MSP Minneapolis St Paul - STL Lambert-St Louis
MSPSTL
Minneapolis St Paul
Sat 10/3
7:50 am-9:20 am
Nonstop1h 30m
Lambert-St Louis
Tue 10/6
2:20 pm-10:45 pm
2 stops8h 25m
$132
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Mon 11/23
9:43 am-11:29 am
Nonstop1h 46m
Chicago O'Hare Intl
Fri 11/27
6:06 pm-7:45 pm
Nonstop1h 39m
$134
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Tue 10/20
11:22 am-1:06 pm
Nonstop1h 44m
Chicago O'Hare Intl
Fri 10/23
6:27 pm-8:02 pm
Nonstop1h 35m
$134
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Thu 10/29
4:40 pm-6:18 pm
Nonstop1h 38m
Chicago O'Hare Intl
Mon 11/2
11:45 am-1:26 pm
Nonstop1h 41m
$138
MinneapolisChicago
MSP Minneapolis St Paul - MDW Chicago Midway
MSPMDW
Minneapolis St Paul
Sat 10/3
5:35 am-7:05 am
Nonstop1h 30m
Chicago Midway
Sat 10/3
11:55 am-10:10 pm
2 stops10h 15m
$138
MinneapolisSt. Louis
MSP Minneapolis St Paul - STL Lambert-St Louis
MSPSTL
Minneapolis St Paul
Fri 10/23
5:35 pm-7:00 pm
Nonstop1h 25m
Lambert-St Louis
Sat 10/24
1:45 pm-8:00 pm
1 stop6h 15m
$144
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Thu 10/8
5:05 pm-6:43 pm
Nonstop1h 38m
Chicago O'Hare Intl
Sun 10/11
5:45 pm-7:21 pm
Nonstop1h 36m
$148
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Wisconsin to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Wisconsin with our price prediction graph.
MSP-MDW
MSP-ORD
MSP-STL
ORD-STL
MKE-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 Wisconsin to Illinois
USWI-USIL
MSP-MDW
MSP-ORD
MSP-STL
ORD-STL
What is the cheapest month to book a flight from Wisconsin to Illinois?
Currently, November is the cheapest month in which you can book a flight from Wisconsin to Illinois (average of $224). Flying from Wisconsin to Illinois in August is currently the most expensive (average of $389). 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 WI to IL?
Find hourly flight availability from Wisconsin 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 August 24, 2026.
One of the essential ways to save on airfare from Wisconsin to Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 34% on airfare.
Weekly flight availability from Wisconsin to Illinois
Explore weekly flight availability from Wisconsin 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 August 24, 2026.
The most flights from USWI to USIL are scheduled on a Friday (60 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).
What is the cheapest day to fly from Wisconsin to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Wisconsin to Illinois. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their Wisconsin to Illinois flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday 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 August 24, 2026.
See what other customers who have flown with United Airlines and American Airlines from Wisconsin to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Wisconsin 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 Wisconsin 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 Wisconsin to Illinois by cabin class
Find flights from Wisconsin to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Wisconsin and Illinois flights
Browse other Wisconsin and Illinois flight options. Last updated on August 24, 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 Wisconsin after your stay in Illinois
Wisconsin to Illinois flights
Consider these flights traveling from Wisconsin to Illinois.
Top 2 airlines flying from Wisconsin to Illinois
Discover the top 2 airlines that operate flights from Wisconsin to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$261 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$299 | FlexibilityNo cancel fee | On-time71% |