$93+ Cheap flights from Wisconsin to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Nov 2 — Nov 91
Round-trip
1 adult, Economy
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Find cheap flights from Wisconsin 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
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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 October 3, 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 October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:26 pm -
Nonstop1h 39m
Sun 11/811:59 am -
Nonstop1h 28m
Deal found 9/30![United Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 11/135:05 am -
Nonstop1h 38m
Sun 11/1510:10 pm -
Nonstop1h 21m
Deal found 9/29![United Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:18 am -
Nonstop1h 11m
Mon 10/267:29 am -
Nonstop1h 06m
Deal found 9/30![United Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 10/2211:42 am -
Nonstop1h 11m
Mon 10/266:59 am -
Nonstop1h 08m
Deal found 10/1![American Airlines logo]()
$210
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:35 pm -
Nonstop1h 30m
Sun 10/2511:59 am -
Nonstop1h 28m
Deal found 9/30![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/308:00 am -
Nonstop1h 12m
Fri 10/309:20 pm -
Nonstop0h 55m
Deal found 9/29![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/308:35 am -
Nonstop1h 10m
Sun 11/19:02 am -
Nonstop1h 11m
Deal found 9/29![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 10/247:18 am -
Nonstop1h 11m
Sat 10/248:15 pm -
Nonstop1h 10m
Deal found 10/2![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/175:00 am -
Nonstop1h 10m
Mon 10/195:59 am -
Nonstop1h 08m
Deal found 9/28![United Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/2410:50 am -
1 stop3h 46m
Fri 10/306:20 am -
1 stop3h 52m
Deal found 9/28![Delta logo]()
$265
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/165:00 am -
Nonstop1h 13m
Fri 10/236:52 pm -
Nonstop1h 06m
Deal found 9/30![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:24 pm -
Nonstop1h 26m
Sat 11/2110:30 am -
Nonstop1h 26m
Deal found 9/30![American Airlines logo]()
$278
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 October 3, 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 October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:35 pm -
Nonstop1h 30m
Sun 10/2511:59 am -
Nonstop1h 28m
Deal found 9/29![United Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 10/2211:42 am -
Nonstop1h 11m
Mon 10/266:59 am -
Nonstop1h 08m
Deal found 10/1![American Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/2410:50 am -
1 stop3h 46m
Fri 10/306:20 am -
1 stop3h 52m
Deal found 9/28![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:26 pm -
Nonstop1h 39m
Sun 11/1510:10 pm -
Nonstop1h 21m
Deal found 9/30![United Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:26 pm -
Nonstop1h 39m
Sun 11/811:59 am -
Nonstop1h 28m
Deal found 9/30![United Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 1/75:15 am -
Nonstop1h 44m
Mon 1/1111:29 am -
Nonstop1h 39m
Deal found 10/2![United Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 11/132:26 pm -
Nonstop1h 39m
Sun 11/1510:10 pm -
Nonstop1h 21m
Deal found 10/3![United Airlines logo]()
$200
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:52 pm -
Nonstop1h 37m
Sun 11/810:30 am -
Nonstop1h 23m
Deal found 9/28![American Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:51 am -
2 stops27h 42m
Sun 11/225:57 pm -
1 stop17h 13m
Deal found 9/29![Multiple Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:18 am -
Nonstop1h 11m
Mon 10/267:29 am -
Nonstop1h 06m
Deal found 9/30![United Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 1/17:05 pm -
Nonstop1h 38m
Sat 1/910:25 pm -
Nonstop1h 29m
Deal found 9/28![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:32 pm -
1 stop4h 07m
Mon 11/1610:34 am -
1 stop5h 57m
Deal found 9/28![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 11/46:52 pm -
Nonstop1h 37m
Sat 11/711:00 pm -
Nonstop1h 18m
Deal found 9/28![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:08 am -
1 stop5h 10m
Mon 11/236:23 am -
1 stop5h 19m
Deal found 10/1![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/79:20 am -
Nonstop1h 20m
Sat 2/134:20 pm -
Nonstop1h 08m
Deal found 9/30![United Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/236:55 pm -
Nonstop1h 35m
Mon 10/2610:40 pm -
Nonstop1h 19m
Deal found 9/30![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:38 pm -
1 stop3h 55m
Sun 11/156:23 am -
1 stop5h 19m
Deal found 9/28![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/227:04 am -
Nonstop1h 31m
Sat 10/3110:40 pm -
Nonstop1h 19m
Deal found 9/30![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:35 pm -
1 stop3h 52m
Mon 1/259:50 am -
1 stop6h 47m
Deal found 9/30![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/308:35 am -
Nonstop1h 10m
Sun 11/19:02 am -
Nonstop1h 11m
Deal found 9/29![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 11/46:52 pm -
Nonstop1h 37m
Sun 11/810:30 am -
Nonstop1h 23m
Deal found 9/28![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:35 pm -
1 stop3h 58m
Sun 11/227:05 am -
1 stop3h 23m
Deal found 10/1![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 11/308:00 am -
Nonstop1h 12m
Sun 12/68:52 am -
Nonstop1h 11m
Deal found 9/30![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 11/2512:26 pm -
Nonstop1h 27m
Sun 11/2910:30 am -
Nonstop1h 26m
Deal found 10/1![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 11/115:35 pm -
1 stop3h 58m
Sun 11/156:23 am -
1 stop5h 29m
Deal found 9/29![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 10/296:00 am -
Nonstop1h 27m
Thu 11/58:16 am -
Nonstop1h 12m
Deal found 10/1![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/175:34 pm -
1 stop3h 53m
Wed 10/216:20 am -
1 stop5h 18m
Deal found 9/29![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:35 pm -
Nonstop1h 30m
Thu 10/1510:00 pm -
Nonstop1h 32m
Deal found 9/30![United Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
2 stops17h 13m
Sun 10/1811:38 am -
1 stop10h 22m
Deal found 10/1![Multiple Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:26 pm -
Nonstop1h 39m
Sun 11/110:10 pm -
Nonstop1h 21m
Deal found 9/29![United Airlines logo]()
$280
Last-minute flights from Wisconsin to IllinoisDiscover last-minute flight deals from Wisconsin to Illinois. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Illinois. Data last updated October 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/1411:42 am -
Nonstop1h 11m
Sun 10/256:59 am -
Nonstop1h 08m
Deal found 9/30![American Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/165:00 am -
Nonstop1h 13m
Fri 10/236:52 pm -
Nonstop1h 06m
Deal found 9/30![American Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/175:00 am -
Nonstop1h 10m
Mon 10/195:59 am -
Nonstop1h 08m
Deal found 9/28![United Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:18 am -
Nonstop1h 11m
Mon 10/267:29 am -
Nonstop1h 06m
Deal found 9/30![United Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 10/2211:42 am -
Nonstop1h 11m
Mon 10/266:59 am -
Nonstop1h 08m
Deal found 10/1![American Airlines logo]()
$210
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 10/247:18 am -
Nonstop1h 11m
Sat 10/248:15 pm -
Nonstop1h 10m
Deal found 10/2![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/2410:50 am -
1 stop3h 46m
Fri 10/306:20 am -
1 stop3h 52m
Deal found 9/28![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/308:00 am -
Nonstop1h 12m
Fri 10/309:20 pm -
Nonstop0h 55m
Deal found 9/29![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/308:35 am -
Nonstop1h 10m
Sun 11/19:02 am -
Nonstop1h 11m
Deal found 9/29![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:52 pm -
Nonstop1h 37m
Sun 11/810:30 am -
Nonstop1h 23m
Deal found 9/30![American Airlines logo]()
$279
This deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:32 pm -
Nonstop1h 23m
Sun 11/155:50 pm -
Nonstop1h 20m
Deal found 9/28![United Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:24 pm -
Nonstop1h 26m
Sat 11/2110:30 am -
Nonstop1h 26m
Deal found 9/30![American Airlines logo]()
$278
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 October 3, 2026.
Search for one-way flight options from Wisconsin to Illinois. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:05 am -
Nonstop1h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$93
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 11/128:40 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$105
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/302:58 pm -
Nonstop1h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$115
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/282:26 pm -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$117
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 3/292:23 pm -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:15 am -
2 stops26h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$129
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
Nonstop1h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/2610:31 am -
2 stops26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:12 pm -
1 stop20h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:30 am -
2 stops26h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/288:45 am -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$150
This American Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 10/167:45 am -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![American Airlines logo]()
$153
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 October 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (United Airlines) |
One-way from | $93 (United Airlines) |
Good round-trip deal | $343 or less |
Good one-way deal | $102 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 October 3, 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
Eau ClaireChicago
EAU Eau Claire - ORD Chicago O'Hare Intl
EAUORD
Eau Claire
Sat 12/26
5:01 am-6:45 am
Nonstop1h 44m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$93
Eau ClaireChicago
EAU Eau Claire - ORD Chicago O'Hare Intl
EAUORD
Eau Claire
Sat 11/21
5:05 am-6:43 am
Nonstop1h 38m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$93
Quickest round-trip
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Tue 10/27
6:47 am-7:59 am
Nonstop1h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$105
Eau ClaireChicago
EAU Eau Claire - ORD Chicago O'Hare Intl
EAUORD
Eau Claire
Wed 10/28
2:26 pm-4:05 pm
Nonstop1h 39m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Sat 11/28
6:28 pm-7:40 pm
Nonstop1h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Wed 12/30
1:25 pm-2:39 pm
Nonstop1h 14m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$150
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Wed 12/2
6:00 am-7:12 am
Nonstop1h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$150
AppletonChicago
ATW Appleton Intl - ORD Chicago O'Hare Intl
ATWORD
Appleton Intl
Fri 10/30
7:12 pm-3:37 pm
1 stop20h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Fri 11/27
6:47 am-7:59 am
Nonstop1h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$160
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Sun 12/27
5:00 am-6:23 am
Nonstop1h 23m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
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.
EAU-ORD
ATW-ORD
LSE-ORD
MKE-ORD
ATW-MDW
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
EAU-ORD
ATW-ORD
LSE-ORD
MKE-ORD
What is the cheapest month to book a flight from Wisconsin to Illinois?
Currently, December is the cheapest month in which you can book a flight from Wisconsin to Illinois (average of $239). Flying from Wisconsin to Illinois in August is currently the most expensive (average of $379). 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 October 3, 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 33% 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 October 3, 2026.
The most flights from USWI to USIL are scheduled on a Friday (59 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 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 September 26, 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 afternoons 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 October 3, 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
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
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 October 3, 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 October 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$171 | Average$260 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$304 | FlexibilityNo cancel fee | On-time71% |