$50+ Cheap flights from Wisconsin to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Cheapest flights from Wisconsin to IllinoisExplore the most affordable flight options available from Wisconsin to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
Explore the most affordable flight options available from Wisconsin to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 am -
Nonstop1h 25m
Sun 9/68:40 am -
Nonstop1h 40m
Deal found 8/7![Southwest logo]()
$117
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/58:30 pm -
Nonstop1h 33m
Sun 9/611:13 am -
Nonstop1h 37m
Deal found 8/9![Delta logo]()
$117
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:55 pm -
Nonstop1h 45m
Sun 9/612:40 pm -
Nonstop1h 39m
Deal found 8/10![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/53:05 pm -
1 stop5h 40m
Sun 9/64:30 pm -
Nonstop1h 30m
Deal found 8/9![Southwest logo]()
$118
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:10 pm -
Nonstop1h 37m
Sun 9/66:00 am -
Nonstop1h 30m
Deal found 8/7![Delta logo]()
$118
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/55:30 am -
Nonstop1h 25m
Fri 9/113:20 pm -
1 stop6h 05m
Deal found 8/9![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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.
Sun 9/68:25 am -
1 stop3h 15m
Fri 9/113:20 pm -
1 stop6h 05m
Deal found 8/10![Southwest logo]()
$128
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 am -
Nonstop1h 25m
Mon 9/78:00 am -
Nonstop1h 45m
Deal found 8/7![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:55 am -
Nonstop1h 25m
Mon 9/148:55 pm -
Nonstop1h 35m
Deal found 8/7![Southwest logo]()
$134
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/56:55 pm -
Nonstop1h 45m
Mon 9/78:14 pm -
Nonstop1h 38m
Deal found 8/7![United Airlines logo]()
$134
This Super.com deal was found by Cheapflights users on 8/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:45 am -
Nonstop1h 38m
Sun 11/17:30 am -
Nonstop1h 41m
Deal found 8/5![Sun Country Air logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:55 am -
Nonstop1h 41m
Mon 11/308:05 pm -
Nonstop1h 41m
Deal found 8/10![Sun Country Air logo]()
$138
Best flights from Wisconsin to IllinoisDiscover carefully curated flight deals from Wisconsin to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from Wisconsin to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/61:16 pm -
Nonstop1h 44m
Fri 9/117:00 am -
Nonstop1h 39m
Deal found 8/7![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/53:05 pm -
1 stop5h 40m
Sun 9/64:30 pm -
Nonstop1h 30m
Deal found 8/8![Southwest logo]()
$127
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
Nonstop1h 30m
Sat 9/128:25 am -
Nonstop1h 39m
Deal found 8/6![Delta logo]()
$134
This American Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/57:00 pm -
Nonstop1h 29m
Sun 9/67:58 pm -
Nonstop1h 02m
Deal found 8/8![American Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
Nonstop1h 30m
Tue 9/88:25 am -
Nonstop1h 39m
Deal found 8/5![Delta logo]()
$134
This Southwest deal was found by Cheapflights users on 8/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:45 am -
Nonstop1h 25m
Sat 9/1910:40 am -
Nonstop1h 30m
Deal found 8/5![Southwest logo]()
$151
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:16 pm -
Nonstop1h 44m
Mon 10/126:27 pm -
Nonstop1h 35m
Deal found 8/5![United Airlines logo]()
$151
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/93:10 pm -
Nonstop1h 40m
Mon 1/119:55 am -
Nonstop1h 39m
Deal found 8/7![Delta logo]()
$151
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:05 am -
Nonstop1h 30m
Sat 10/108:25 am -
Nonstop1h 30m
Deal found 8/6![Southwest logo]()
$151
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:25 pm -
Nonstop1h 34m
Wed 9/236:10 am -
Nonstop1h 36m
Deal found 8/6![Delta logo]()
$151
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/96:15 am -
1 stop5h 05m
Mon 1/1112:45 pm -
Nonstop1h 30m
Deal found 8/7![Southwest logo]()
$161
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 9/27:00 pm -
Nonstop1h 29m
Wed 9/98:51 pm -
Nonstop1h 03m
Deal found 8/5![American Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:16 am -
Nonstop1h 49m
Sat 12/129:59 am -
Nonstop1h 37m
Deal found 8/7![Delta logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Tue 9/151:21 pm -
1 stop22h 11m
Wed 9/162:29 pm -
2 stops15h 09m
Deal found 8/5![Frontier logo]()
$402
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:00 pm -
Nonstop1h 31m
Sun 9/68:00 am -
Nonstop1h 34m
Deal found 8/8![United Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/285:20 am -
2 stops8h 30m
Mon 2/18:50 am -
Nonstop1h 35m
Deal found 8/6![Southwest logo]()
$166
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Tue 9/298:30 am -
Nonstop1h 11m
Wed 9/305:59 am -
Nonstop1h 08m
Deal found 8/6![United Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 pm -
1 stop4h 03m
Sat 9/126:15 am -
1 stop5h 24m
Deal found 8/6![Delta logo]()
$171
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/47:18 am -
Nonstop1h 11m
Sat 9/54:15 pm -
Nonstop1h 10m
Deal found 8/8![United Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 12/245:00 am -
Nonstop1h 14m
Fri 1/89:30 pm -
Nonstop1h 16m
Deal found 8/8![American Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:55 pm -
1 stop6h 15m
Wed 9/302:20 pm -
Nonstop1h 30m
Deal found 8/9![Southwest logo]()
$196
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/53:53 pm -
1 stop4h 37m
Sun 9/66:00 am -
Nonstop1h 30m
Deal found 8/10![Delta logo]()
$182
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Mon 8/245:55 am -
Nonstop1h 25m
Mon 8/315:08 pm -
Nonstop1h 17m
Deal found 8/5![American Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:47 pm -
Nonstop1h 13m
Sun 9/2010:25 am -
Nonstop1h 05m
Deal found 8/5![United Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:30 pm -
1 stop6h 12m
Sun 9/66:20 am -
1 stop5h 17m
Deal found 8/7![Delta logo]()
$198
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 8/2612:26 pm -
Nonstop1h 23m
Wed 9/21:29 pm -
Nonstop1h 12m
Deal found 8/5![American Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/214:20 pm -
1 stop5h 50m
Thu 9/246:15 pm -
1 stop3h 10m
Deal found 8/10![Southwest logo]()
$221
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/118:40 am -
Nonstop1h 32m
Sun 9/136:53 pm -
Nonstop1h 36m
Deal found 8/9![United Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:20 am -
1 stop6h 00m
Mon 9/287:05 pm -
Nonstop1h 15m
Deal found 8/9![Southwest logo]()
$221
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:56 pm -
1 stop4h 34m
Wed 9/306:10 am -
Nonstop1h 36m
Deal found 8/5![Delta logo]()
$205
Last-minute flights from Wisconsin to IllinoisDiscover last-minute flight deals from Wisconsin to Illinois. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Illinois. Data last updated August 10, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:45 am -
Nonstop1h 38m
Sun 9/64:00 pm -
Nonstop1h 36m
Deal found 8/7![Sun Country Air logo]()
$137
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 am -
Nonstop1h 25m
Sun 9/68:40 am -
Nonstop1h 40m
Deal found 8/7![Southwest logo]()
$117
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/58:30 pm -
Nonstop1h 33m
Sun 9/611:13 am -
Nonstop1h 37m
Deal found 8/9![Delta logo]()
$117
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:55 pm -
Nonstop1h 45m
Sun 9/612:40 pm -
Nonstop1h 39m
Deal found 8/10![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/53:05 pm -
1 stop5h 40m
Sun 9/64:30 pm -
Nonstop1h 30m
Deal found 8/9![Southwest logo]()
$118
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:10 pm -
Nonstop1h 37m
Sun 9/66:00 am -
Nonstop1h 30m
Deal found 8/7![Delta logo]()
$118
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/55:30 am -
Nonstop1h 25m
Fri 9/113:20 pm -
1 stop6h 05m
Deal found 8/9![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 am -
Nonstop1h 25m
Mon 9/78:00 am -
Nonstop1h 45m
Deal found 8/7![Southwest logo]()
$134
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/56:55 pm -
Nonstop1h 45m
Mon 9/78:14 pm -
Nonstop1h 38m
Deal found 8/7![United Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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.
Sun 9/68:25 am -
1 stop3h 15m
Fri 9/113:20 pm -
1 stop6h 05m
Deal found 8/10![Southwest logo]()
$128
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:55 am -
Nonstop1h 25m
Mon 9/148:55 pm -
Nonstop1h 35m
Deal found 8/7![Southwest logo]()
$134
This Justfly.com deal was found by Cheapflights users on 8/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:10 am -
Nonstop1h 38m
Wed 9/236:30 am -
1 stop7h 08m
Deal found 8/7![Multiple Airlines logo]()
$141
One-way flights from Wisconsin to IllinoisSearch for one-way flight options from Wisconsin to Illinois. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from Wisconsin to Illinois. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:55 am -
Nonstop1h 25m
Deal found 8/9![Southwest logo]()
$50
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/66:57 am -
Nonstop1h 42m
Deal found 8/10![Delta logo]()
$59
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/68:50 am -
Nonstop1h 33m
Deal found 8/9![Delta logo]()
$59
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/66:00 am -
Nonstop1h 44m
Deal found 8/7![United Airlines logo]()
$59
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:05 pm -
1 stop6h 05m
Deal found 8/9![Southwest logo]()
$60
This eDestinos deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:40 pm -
Nonstop1h 38m
Deal found 8/10![Sun Country Air logo]()
$62
This Super.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 8/318:05 am -
Nonstop1h 38m
Deal found 8/9![Sun Country Air logo]()
$69
This Super.com deal was found by Cheapflights users on 8/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:38 pm -
1 stop8h 09m
Deal found 8/5![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 8/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:38 pm -
1 stop8h 09m
Deal found 8/7![Frontier logo]()
$71
This Priceline deal was found by Cheapflights users on 8/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:58 am -
1 stop8h 17m
Deal found 8/6![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 8/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:54 pm -
1 stop9h 44m
Deal found 8/6![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 8/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:38 pm -
1 stop8h 09m
Deal found 8/7![Frontier logo]()
$72
Find flight deals from Wisconsin to Illinois
Keep the following information in mind while searching for Wisconsin to Illinois flight deals. Data was last updated August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $50 (Southwest) |
Good round-trip deal | $323 or less |
Good one-way deal | $179 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 2,558,603 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Wisconsin to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Sun 9/6
1:16 pm-3:00 pm
Nonstop1h 44m
Chicago O'Hare Intl
Fri 9/11
7:00 am-8:39 am
Nonstop1h 39m
$117
MinneapolisSt. Louis
MSP Minneapolis St Paul - STL Lambert-St Louis
MSPSTL
Minneapolis St Paul
Sat 9/5
3:05 pm-8:45 pm
1 stop5h 40m
Lambert-St Louis
Sun 9/6
4:30 pm-6:00 pm
Nonstop1h 30m
$127
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Sat 9/5
7:00 am-8:30 am
Nonstop1h 30m
Chicago O'Hare Intl
Sat 9/12
8:25 am-10:04 am
Nonstop1h 39m
$134
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Sat 9/5
7:00 am-8:30 am
Nonstop1h 30m
Chicago O'Hare Intl
Tue 9/8
8:25 am-10:04 am
Nonstop1h 39m
$134
MinneapolisChicago
MSP Minneapolis St Paul - MDW Chicago Midway
MSPMDW
Minneapolis St Paul
Thu 9/17
5:45 am-7:10 am
Nonstop1h 25m
Chicago Midway
Sat 9/19
10:40 am-12:10 pm
Nonstop1h 30m
$151
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Wed 8/26
1:16 pm-3:00 pm
Nonstop1h 44m
Chicago O'Hare Intl
Mon 10/12
6:27 pm-8:02 pm
Nonstop1h 35m
$151
MinneapolisChicago
MSP Minneapolis St Paul - MDW Chicago Midway
MSPMDW
Minneapolis St Paul
Sat 1/9
3:10 pm-4:50 pm
Nonstop1h 40m
Chicago Midway
Mon 1/11
9:55 am-11:34 am
Nonstop1h 39m
$151
MinneapolisSt. Louis
MSP Minneapolis St Paul - STL Lambert-St Louis
MSPSTL
Minneapolis St Paul
Wed 10/7
8:05 am-9:35 am
Nonstop1h 30m
Lambert-St Louis
Sat 10/10
8:25 am-9:55 am
Nonstop1h 30m
$151
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Tue 9/22
3:25 pm-4:59 pm
Nonstop1h 34m
Chicago O'Hare Intl
Wed 9/23
6:10 am-7:46 am
Nonstop1h 36m
$151
MinneapolisChicago
MSP Minneapolis St Paul - ORD Chicago O'Hare Intl
MSPORD
Minneapolis St Paul
Sat 12/5
7:16 am-9:05 am
Nonstop1h 49m
Chicago O'Hare Intl
Sat 12/12
9:59 am-11:36 am
Nonstop1h 37m
$151
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-ORD
MSP-MDW
MKE-ORD
MSP-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-ORD
MSP-MDW
MKE-ORD
MSP-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 $351). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WI to IL?
Find hourly flight availability from Wisconsin to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 10, 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 August 10, 2026.
The most flights from USWI to USIL are scheduled on a Sunday (59 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 on average).
What is the cheapest day to fly from Wisconsin to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Wisconsin to Illinois. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Wisconsin to Illinois flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated August 10, 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
Comfort
7.3
Food
6.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Boarding
7.7
Overall
7.4
Comfort
7.3
Food
6.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Boarding
7.7
Overall
7.4
Comfort
7.3
Food
6.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - 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
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Wisconsin and Illinois flights
Browse other Wisconsin and Illinois flight options. Last updated on August 10, 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 2,558,603 searches. Data last updated August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$295 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$171 | Average$269 | FlexibilityNo cancel fee | On-time69% |