$58+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Wisconsin to Illinois with Cheapflights
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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 September 7, 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 September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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 10/2910:40 am -
Nonstop1h 30m
Tue 11/311:40 am -
Nonstop1h 30m
Deal found 9/2![Southwest logo]()
$117
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:50 am -
Nonstop1h 44m
Mon 9/285:47 pm -
Nonstop1h 42m
Deal found 9/3![Delta logo]()
$117
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/16:00 am -
Nonstop1h 43m
Mon 10/57:01 am -
Nonstop1h 40m
Deal found 9/2![United Airlines logo]()
$117
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:01 pm -
1 stop8h 46m
Sat 10/317:25 am -
1 stop6h 41m
Deal found 9/2![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:33 pm -
1 stop9h 50m
Sat 9/267:21 pm -
1 stop12h 27m
Deal found 9/3![Frontier logo]()
$118
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:40 pm -
Nonstop1h 38m
Tue 11/36:30 am -
1 stop7h 08m
Deal found 9/2![Multiple Airlines logo]()
$119
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:05 pm -
Nonstop1h 38m
Tue 10/276:30 am -
1 stop7h 08m
Deal found 9/3![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:25 pm -
Nonstop1h 38m
Wed 10/146:30 am -
1 stop7h 11m
Deal found 9/4![Multiple Airlines logo]()
$124
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:33 am -
1 stop8h 07m
Thu 10/224:30 pm -
1 stop17h 26m
Deal found 9/2![Frontier logo]()
$125
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:35 pm -
1 stop3h 10m
Sat 10/107:00 pm -
Nonstop1h 25m
Deal found 9/3![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/75:30 am -
1 stop3h 45m
Tue 10/138:50 pm -
Nonstop1h 35m
Deal found 9/2![Southwest logo]()
$127
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
1 stop17h 23m
Wed 10/146:30 am -
1 stop7h 11m
Deal found 9/3![Frontier logo]()
$127
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 September 7, 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 September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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.
Tue 10/63:10 pm -
Nonstop1h 30m
Thu 10/87:45 am -
Nonstop1h 25m
Deal found 9/2![Southwest logo]()
$117
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:55 pm -
Nonstop1h 43m
Sat 10/249:59 am -
Nonstop1h 40m
Deal found 9/2![Delta logo]()
$117
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/242:35 pm -
Nonstop1h 30m
Mon 9/2810:00 pm -
Nonstop1h 32m
Deal found 9/3![United Airlines logo]()
$180
This Sun Country Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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.
Wed 11/255:00 pm -
Nonstop1h 35m
Sun 11/299:18 am -
Nonstop1h 41m
Deal found 9/6![Sun Country Air logo]()
$208
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/212:55 pm -
1 stop7h 35m
Thu 10/228:30 am -
Nonstop1h 30m
Deal found 9/2![Southwest logo]()
$127
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 11/66:18 pm -
1 stop5h 41m
Sun 11/86:00 am -
1 stop4h 53m
Deal found 9/7![American Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:20 am -
2 stops6h 40m
Thu 10/85:40 pm -
1 stop6h 35m
Deal found 9/3![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:19 am -
1 stop6h 00m
Sat 10/316:47 am -
1 stop6h 12m
Deal found 9/3![Delta logo]()
$157
This KAYAK deal was found by Cheapflights users on 9/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:00 pm -
Nonstop1h 33m
Tue 9/296:10 am -
Nonstop1h 36m
Deal found 9/3![Delta logo]()
$161
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/72:35 pm -
Nonstop1h 30m
Wed 10/1410:00 pm -
Nonstop1h 32m
Deal found 9/7![United Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/78:05 am -
1 stop7h 25m
Fri 10/97:45 am -
Nonstop1h 25m
Deal found 9/2![Southwest logo]()
$150
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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
Sun 11/110:10 pm -
Nonstop1h 21m
Deal found 9/4![United Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/226:00 am -
1 stop4h 38m
Wed 1/276:45 am -
1 stop5h 52m
Deal found 9/3![Delta logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 pm -
1 stop25h 02m
Mon 10/128:11 pm -
1 stop13h 39m
Deal found 9/2![Multiple Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 9/287:50 pm -
Nonstop1h 31m
Thu 10/19:04 am -
Nonstop1h 36m
Deal found 9/2![United Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 10/22:55 pm -
1 stop8h 20m
Fri 10/95:40 pm -
1 stop6h 35m
Deal found 9/2![Southwest logo]()
$171
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 1/72:45 pm -
Nonstop1h 33m
Mon 1/1112:35 pm -
Nonstop1h 30m
Deal found 9/6![United Airlines logo]()
$200
This KAYAK deal was found by Cheapflights users on 9/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:50 pm -
1 stop5h 26m
Thu 10/16:40 am -
1 stop6h 19m
Deal found 9/2![Delta logo]()
$214
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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
Mon 11/910:10 pm -
Nonstop1h 21m
Deal found 9/6![United Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:30 am -
Nonstop1h 30m
Fri 10/239:25 pm -
Nonstop1h 30m
Deal found 9/3![Southwest logo]()
$204
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:14 pm -
1 stop6h 05m
Sun 11/18:15 pm -
1 stop3h 52m
Deal found 9/3![American Airlines logo]()
$299
This Sun Country Air deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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.
Sat 9/1910:10 am -
Nonstop1h 38m
Mon 9/2111:47 am -
Nonstop1h 36m
Deal found 9/5![Sun Country Air logo]()
$318
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:05 am -
Nonstop1h 43m
Sat 9/269:29 am -
1 stop4h 00m
Deal found 9/3![Delta logo]()
$224
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 12/115:40 am -
1 stop5h 07m
Sun 12/1311:34 am -
1 stop6h 09m
Deal found 9/5![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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
Sat 10/3110:10 pm -
Nonstop1h 21m
Deal found 9/7![United Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 9/2. 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.
Tue 10/207:15 am -
2 stops7h 45m
Thu 10/224:20 pm -
2 stops8h 05m
Deal found 9/2![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:05 am -
1 stop4h 32m
Wed 10/79:59 am -
Nonstop1h 40m
Deal found 9/2![Delta logo]()
$227
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 9/256:31 pm -
1 stop5h 56m
Sat 10/37:27 am -
1 stop3h 39m
Deal found 9/5![American Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 9/3. 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 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 9/3![Southwest logo]()
$241
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/82:35 pm -
Nonstop1h 30m
Sun 10/1110:00 pm -
Nonstop1h 32m
Deal found 9/2![United Airlines logo]()
$250
Last-minute flights from Wisconsin to IllinoisDiscover last-minute flight deals from Wisconsin to Illinois. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Illinois. Data last updated September 7, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:33 pm -
1 stop9h 50m
Sat 9/266:30 am -
1 stop17h 38m
Deal found 9/2![Frontier logo]()
$118
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:50 am -
Nonstop1h 44m
Mon 9/285:47 pm -
Nonstop1h 42m
Deal found 9/3![Delta logo]()
$117
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 am -
1 stop17h 23m
Tue 10/66:30 am -
1 stop7h 08m
Deal found 9/2![Frontier logo]()
$127
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/16:00 am -
Nonstop1h 43m
Sat 10/310:34 am -
Nonstop1h 40m
Deal found 9/2![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 9/2. 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.
Sat 10/31:10 pm -
Nonstop1h 30m
Tue 10/63:35 pm -
Nonstop1h 25m
Deal found 9/2![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:35 pm -
1 stop3h 10m
Sat 10/107:00 pm -
Nonstop1h 25m
Deal found 9/3![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/75:30 am -
1 stop3h 45m
Tue 10/138:50 pm -
Nonstop1h 35m
Deal found 9/2![Southwest logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:25 pm -
Nonstop1h 38m
Wed 10/146:30 am -
1 stop7h 11m
Deal found 9/4![Multiple Airlines logo]()
$124
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:33 am -
1 stop8h 07m
Thu 10/224:30 pm -
1 stop17h 26m
Deal found 9/2![Frontier logo]()
$125
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:05 pm -
Nonstop1h 38m
Tue 10/276:30 am -
1 stop7h 08m
Deal found 9/3![Multiple Airlines logo]()
$123
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:01 pm -
1 stop8h 46m
Sat 10/317:25 am -
1 stop6h 41m
Deal found 9/2![Frontier logo]()
$118
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:40 pm -
Nonstop1h 38m
Tue 11/36:30 am -
1 stop7h 08m
Deal found 9/2![Multiple Airlines logo]()
$119
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 September 7, 2026.
Search for one-way flight options from Wisconsin to Illinois. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:33 am -
1 stop8h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$58
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:20 pm -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$59
This Southwest deal was found by Cheapflights users on 9/2. 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.
Mon 10/195:35 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$59
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Sun Country Air logo]()
$59
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:34 pm -
Nonstop1h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$59
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:54 pm -
1 stop9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:26 am -
1 stop7h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$61
This Super.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/269:33 am -
1 stop8h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/129:00 am -
Nonstop1h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Sun Country Air logo]()
$62
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:01 pm -
1 stop8h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$64
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/249:45 am -
1 stop5h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$64
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop17h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$64
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $58 (Super.com) |
Good round-trip deal | $324 or less |
Good one-way deal | $200 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 September 7, 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 - MDW Chicago Midway
MSPMDW
Minneapolis St Paul
Sat 2/27
5:10 am-6:55 am
Nonstop1h 45m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
MinneapolisSt. Louis
MSP Minneapolis St Paul - STL Lambert-St Louis
MSPSTL
Minneapolis St Paul
Thu 2/25
9:45 pm-11:18 pm
Nonstop1h 33m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Wed 10/28
8:55 am-10:32 am
Nonstop1h 37m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
MinneapolisChicago
MSP Minneapolis St Paul - MDW Chicago Midway
MSPMDW
Minneapolis St Paul
Tue 3/2
5:20 am-7:10 am
Nonstop1h 50m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Tue 11/17
1:16 pm-2:55 pm
Nonstop1h 39m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Mon 2/8
11:29 am-1:12 pm
Nonstop1h 43m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
MinneapolisSt. Louis
MSP Minneapolis St Paul - STL Lambert-St Louis
MSPSTL
Minneapolis St Paul
Sat 10/17
7:50 am-9:20 am
Nonstop1h 30m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
MinneapolisSt. Louis
MSP Minneapolis St Paul - STL Lambert-St Louis
MSPSTL
Minneapolis St Paul
Sat 10/31
9:43 am-3:43 pm
1 stop6h 00m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$64
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Sun 9/20
5:35 pm-7:13 pm
Nonstop1h 38m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
MinneapolisSt. Louis
MSP Minneapolis St Paul - STL Lambert-St Louis
MSPSTL
Minneapolis St Paul
Mon 2/22
6:00 pm-9:45 pm
1 stop3h 45m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
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-STL
MSP-ORD
ORD-STL
ATW-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-STL
MSP-ORD
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 $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 September 7, 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 September 7, 2026.
The most flights from USWI to USIL are scheduled on a Saturday (59 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 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 5, 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 September 7, 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
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.6
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 September 7, 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 September 7, 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% |