$103+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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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 November 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 November 3, 2026.
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/95:51 am -
Nonstop1h 39m
Wed 12/910:25 am -
Nonstop1h 28m
Deal found 10/29![United Airlines logo]()
$175
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/202:26 pm -
Nonstop1h 39m
Mon 11/2310:10 pm -
Nonstop1h 21m
Deal found 10/30![United Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:00 pm -
Nonstop1h 20m
Mon 11/235:59 pm -
Nonstop1h 04m
Deal found 10/29![American Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:15 pm -
Nonstop0h 55m
Mon 11/239:15 pm -
Nonstop1h 00m
Deal found 10/29![Southwest logo]()
$185
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:15 am -
Nonstop1h 12m
Wed 12/25:45 pm -
Nonstop1h 03m
Deal found 11/1![United Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 11/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:15 pm -
Nonstop0h 55m
Wed 12/210:10 am -
Nonstop0h 50m
Deal found 11/1![Southwest logo]()
$209
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/177:37 am -
Nonstop1h 27m
Thu 12/245:29 pm -
Nonstop1h 14m
Deal found 11/2![American Airlines logo]()
$210
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:51 am -
Nonstop1h 39m
Sun 12/610:25 am -
Nonstop1h 28m
Deal found 11/1![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/258:50 am -
Nonstop1h 10m
Sun 11/299:02 am -
Nonstop1h 11m
Deal found 10/29![United Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
Nonstop1h 12m
Sun 12/66:29 am -
Nonstop1h 06m
Deal found 11/1![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 11/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 am -
1 stop4h 05m
Thu 12/313:50 pm -
1 stop5h 40m
Deal found 11/1![Southwest logo]()
$229
This Southwest deal was found by Cheapflights users on 11/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:35 pm -
2 stops7h 30m
Thu 12/2411:45 am -
1 stop3h 30m
Deal found 11/2![Southwest logo]()
$234
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 November 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 November 3, 2026.
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/95:51 am -
Nonstop1h 39m
Wed 12/910:25 am -
Nonstop1h 28m
Deal found 10/29![United Airlines logo]()
$175
This Southwest deal was found by Cheapflights users on 11/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:15 pm -
1 stop4h 50m
Thu 12/319:10 pm -
Nonstop1h 05m
Deal found 11/1![Southwest logo]()
$219
This deal was found by Cheapflights users on 11/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:25 pm -
1 stop4h 16m
Mon 12/75:33 pm -
1 stop3h 35m
Deal found 11/2![Delta logo]()
$265
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/138:12 pm -
Nonstop1h 21m
Sun 12/206:44 pm -
Nonstop1h 16m
Deal found 10/29![American Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/32:21 pm -
Nonstop1h 39m
Fri 12/410:25 am -
Nonstop1h 28m
Deal found 10/29![United Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 11/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:20 am -
Nonstop1h 00m
Wed 12/210:05 am -
1 stop5h 10m
Deal found 11/1![Southwest logo]()
$219
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/75:15 am -
Nonstop1h 44m
Mon 1/1111:29 am -
Nonstop1h 39m
Deal found 10/29![United Airlines logo]()
$200
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:15 am -
2 stops13h 58m
Mon 11/239:20 pm -
2 stops20h 06m
Deal found 10/29![Frontier logo]()
$446
This Southwest deal was found by Cheapflights users on 11/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/178:05 am -
1 stop7h 40m
Thu 12/2410:10 am -
Nonstop0h 50m
Deal found 11/2![Southwest logo]()
$219
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/205:05 am -
Nonstop1h 38m
Mon 11/2311:59 am -
Nonstop1h 28m
Deal found 10/30![United Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/243:37 pm -
1 stop24h 56m
Thu 12/313:57 pm -
2 stops40h 20m
Deal found 10/29![Multiple Airlines logo]()
$517
This deal was found by Cheapflights users on 11/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:25 pm -
1 stop4h 16m
Sun 12/66:20 am -
1 stop5h 35m
Deal found 11/2![Delta logo]()
$265
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/256:50 pm -
Nonstop1h 37m
Fri 11/2710:30 am -
Nonstop1h 26m
Deal found 10/30![American Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:30 am -
1 stop4h 40m
Mon 11/236:30 am -
1 stop3h 10m
Deal found 10/29![Southwest logo]()
$224
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:15 am -
Nonstop1h 12m
Wed 12/25:45 pm -
Nonstop1h 03m
Deal found 11/1![United Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/1312:25 pm -
1 stop4h 16m
Tue 11/176:23 am -
1 stop5h 21m
Deal found 10/29![Delta logo]()
$265
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/216:01 am -
Nonstop1h 39m
Sun 11/224:50 pm -
Nonstop1h 30m
Deal found 10/31![American Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:45 am -
Nonstop1h 00m
Sun 11/2911:15 am -
Nonstop0h 45m
Deal found 10/31![Southwest logo]()
$239
This deal was found by Cheapflights users on 11/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:31 am -
1 stop5h 17m
Wed 12/96:20 am -
1 stop5h 35m
Deal found 11/2![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
Nonstop1h 12m
Sun 12/66:29 am -
Nonstop1h 06m
Deal found 11/1![United Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 11/246:50 pm -
Nonstop1h 37m
Sat 11/2811:00 pm -
Nonstop1h 20m
Deal found 11/1![American Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/254:20 pm -
Nonstop0h 55m
Sat 12/2610:10 am -
Nonstop0h 50m
Deal found 10/31![Southwest logo]()
$239
This deal was found by Cheapflights users on 11/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:25 pm -
1 stop4h 16m
Mon 12/75:33 pm -
1 stop3h 35m
Deal found 11/2![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/192:26 pm -
Nonstop1h 39m
Mon 11/2311:59 am -
Nonstop1h 28m
Deal found 11/2![United Airlines logo]()
$230
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/155:34 am -
Nonstop1h 41m
Sun 1/179:26 am -
Nonstop1h 31m
Deal found 10/29![American Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 11/2. 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 4/166:37 pm -
Nonstop1h 35m
Sun 4/1810:33 pm -
Nonstop1h 21m
Deal found 11/2![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/215:05 am -
Nonstop1h 38m
Sun 11/2210:10 pm -
Nonstop1h 21m
Deal found 10/30![United Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 11/1. 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 11/2012:25 pm -
1 stop4h 16m
Tue 12/811:39 am -
2 stops9h 29m
Deal found 11/1![Delta logo]()
$312
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 12/135:55 am -
Nonstop1h 35m
Sun 12/2011:00 pm -
Nonstop1h 30m
Deal found 11/1![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/152:20 pm -
Nonstop1h 37m
Sun 1/1711:29 am -
Nonstop1h 39m
Deal found 10/29![United Airlines logo]()
$250
Last-minute flights from Wisconsin to IllinoisDiscover last-minute flight deals from Wisconsin to Illinois. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Illinois. Data last updated November 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/145:05 am -
Nonstop1h 38m
Wed 11/1811:59 am -
Nonstop1h 28m
Deal found 10/30![United Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:00 pm -
Nonstop1h 20m
Mon 11/235:59 pm -
Nonstop1h 04m
Deal found 10/29![American Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:15 pm -
Nonstop0h 55m
Mon 11/239:15 pm -
Nonstop1h 00m
Deal found 10/29![Southwest logo]()
$185
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 11/196:31 am -
1 stop5h 17m
Tue 12/85:33 pm -
1 stop3h 35m
Deal found 11/1![Delta logo]()
$265
This deal was found by Cheapflights users on 10/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:03 pm -
Nonstop1h 12m
Thu 11/2610:25 am -
Nonstop1h 03m
Deal found 10/29![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/202:26 pm -
Nonstop1h 39m
Mon 11/2310:10 pm -
Nonstop1h 21m
Deal found 10/30![United Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/215:05 am -
Nonstop1h 38m
Sun 11/2210:10 pm -
Nonstop1h 21m
Deal found 10/30![United Airlines logo]()
$250
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/216:50 pm -
Nonstop1h 37m
Sun 11/2210:30 am -
Nonstop1h 26m
Deal found 10/30![American Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 11/1. 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.
Sun 11/226:31 am -
2 stops7h 28m
Sun 12/66:20 am -
1 stop5h 35m
Deal found 11/1![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/258:50 am -
Nonstop1h 10m
Sun 11/299:02 am -
Nonstop1h 11m
Deal found 10/29![United Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 10/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:45 am -
Nonstop1h 00m
Sun 11/2911:15 am -
Nonstop0h 45m
Deal found 10/30![Southwest logo]()
$239
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/257:45 pm -
Nonstop1h 25m
Sun 11/299:41 pm -
Nonstop0h 59m
Deal found 10/30![American Airlines logo]()
$248
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 November 3, 2026.
Search for one-way flight options from Wisconsin to Illinois. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This deal was found by Cheapflights users on 11/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:05 am -
Nonstop1h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$103
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/247:40 am -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![American Airlines logo]()
$105
This Southwest deal was found by Cheapflights users on 11/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:30 am -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Southwest logo]()
$105
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 1/196:50 pm -
Nonstop1h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Wed 12/1610:38 am -
2 stops30h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$130
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2712:14 pm -
Nonstop1h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$135
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/2211:34 am -
Nonstop1h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$141
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/145:05 am -
Nonstop1h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 11/1. 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.
Sun 11/227:00 am -
1 stop4h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$151
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/276:53 pm -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 11/277:03 am -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/2610:54 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![American Airlines logo]()
$155
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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $175 (United Airlines) |
One-way from | $103 |
Good round-trip deal | $270 or less |
Good one-way deal | $211 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 November 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 4/3
5:30 am-7:05 am
Nonstop1h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$103
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
$103
Eau ClaireChicago
EAU Eau Claire - ORD Chicago O'Hare Intl
EAUORD
Eau Claire
Wed 11/25
5:05 am-6:43 am
Nonstop1h 38m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$103
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Mon 12/14
5:00 am-6:10 am
Nonstop1h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$105
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Tue 1/19
6:50 pm-8:11 pm
Nonstop1h 21m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
MilwaukeeChicago
MKE Milwaukee-Mitchell - MDW Chicago Midway
MKEMDW
Milwaukee-Mitchell
Thu 12/17
8:05 am-3:45 pm
1 stop7h 40m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
MadisonChicago
MSN Madison Truax Field - ORD Chicago O'Hare Intl
MSNORD
Madison Truax Field
Wed 12/16
10:38 am-4:59 pm
2 stops30h 21m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
MilwaukeeChicago
MKE Milwaukee-Mitchell - ORD Chicago O'Hare Intl
MKEORD
Milwaukee-Mitchell
Sat 3/27
12:14 pm-1:15 pm
Nonstop1h 01m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
WausauChicago
CWA Wausau Central Wisconsin - ORD Chicago O'Hare Intl
CWAORD
Wausau Central Wisconsin
Fri 11/27
7:09 am-8:55 am
Nonstop1h 46m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$141
Eau ClaireChicago
EAU Eau Claire - ORD Chicago O'Hare Intl
EAUORD
Eau Claire
Sat 11/14
5:05 am-6:43 am
Nonstop1h 38m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$143
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
MKE-ORD
MKE-MDW
MSN-ORD
CWA-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
EAU-ORD
MKE-ORD
MKE-MDW
MSN-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 $238). Flying from Wisconsin to Illinois in October is currently the most expensive (average of $399). 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 November 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 28% 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 November 3, 2026.
The most flights from USWI to USIL are scheduled on a Sunday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 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 October 31, 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. Saturday evenings 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 November 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.
Food
6.7
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
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 November 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 November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$171 | Average$275 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$324 | FlexibilityNo cancel fee | On-time71% |