$59+ Cheap flights from Illinois to Michigan
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.
ORD — DTW
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Michigan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Illinois to MichiganExplore the most affordable flight options available from Illinois to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Illinois to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
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 9/248:50 pm -
Nonstop1h 10m
Mon 9/288:55 pm -
Nonstop1h 15m
Deal found 9/3![Southwest logo]()
$117
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.
Thu 9/245:00 am -
Nonstop1h 29m
Mon 9/2811:05 pm -
Nonstop1h 22m
Deal found 9/3![American Airlines logo]()
$117
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop5h 08m
Mon 10/266:15 am -
1 stop11h 25m
Deal found 9/3![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.
Mon 10/195:53 pm -
1 stop6h 38m
Thu 10/226:20 am -
1 stop10h 38m
Deal found 9/3![Frontier logo]()
$118
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 10/225:25 am -
Nonstop1h 05m
Fri 10/237:50 am -
Nonstop1h 10m
Deal found 9/3![Southwest logo]()
$134
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 9/257:21 am -
Nonstop1h 38m
Mon 9/288:55 am -
Nonstop1h 23m
Deal found 9/3![American Airlines logo]()
$134
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.
Fri 9/252:29 pm -
1 stop9h 15m
Mon 9/286:25 am -
1 stop6h 45m
Deal found 9/3![Frontier logo]()
$135
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 9/246:39 pm -
1 stop15h 41m
Mon 9/288:55 pm -
1 stop14h 37m
Deal found 9/3![Frontier logo]()
$135
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.
Wed 10/213:35 pm -
2 stops6h 45m
Mon 10/266:30 pm -
1 stop5h 10m
Deal found 9/3![Southwest logo]()
$138
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.
Fri 10/306:44 pm -
1 stop15h 59m
Tue 11/33:02 pm -
1 stop27h 38m
Deal found 9/4![Frontier logo]()
$139
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop9h 13m
Tue 10/133:03 pm -
1 stop27h 37m
Deal found 9/3![Frontier logo]()
$140
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.
Sun 10/410:20 am -
1 stop22h 32m
Thu 10/810:29 pm -
1 stop19h 29m
Deal found 9/4![Frontier logo]()
$150
Best flights from Illinois to MichiganDiscover carefully curated flight deals from Illinois to Michigan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Illinois to Michigan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
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 10/225:25 am -
Nonstop1h 05m
Thu 10/227:50 am -
Nonstop1h 10m
Deal found 9/3![Southwest 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.
Fri 10/211:35 am -
Nonstop1h 36m
Tue 10/610:40 am -
Nonstop1h 33m
Deal found 9/3![United Airlines logo]()
$134
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:59 pm -
1 stop19h 17m
Mon 11/25:39 pm -
1 stop6h 37m
Deal found 9/7![Frontier logo]()
$226
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 10/225:25 am -
Nonstop1h 05m
Fri 10/237:50 am -
Nonstop1h 10m
Deal found 9/3![Southwest logo]()
$134
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 10/95:30 pm -
Nonstop1h 24m
Sun 10/1811:00 pm -
Nonstop1h 10m
Deal found 9/3![American Airlines logo]()
$269
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:30 pm -
Nonstop1h 31m
Mon 10/1210:01 am -
Nonstop1h 28m
Deal found 9/7![Delta logo]()
$285
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.
Fri 10/27:25 am -
1 stop10h 24m
Fri 10/94:08 pm -
1 stop24h 22m
Deal found 9/2![Multiple Airlines logo]()
$331
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 10/88:00 am -
Nonstop1h 31m
Sat 10/2410:40 am -
Nonstop1h 35m
Deal found 9/7![United Airlines logo]()
$189
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:29 pm -
1 stop9h 15m
Mon 9/286:25 am -
1 stop6h 45m
Deal found 9/7![Frontier logo]()
$240
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:54 pm -
1 stop7h 38m
Sun 10/47:00 am -
1 stop11h 46m
Deal found 9/7![Frontier logo]()
$252
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 10/17:05 am -
1 stop5h 10m
Thu 10/18:25 pm -
1 stop3h 40m
Deal found 9/3![Southwest logo]()
$253
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:05 am -
Nonstop1h 25m
Sat 10/37:35 am -
Nonstop1h 22m
Deal found 9/6![Delta logo]()
$285
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
Nonstop1h 36m
Thu 10/227:50 pm -
Nonstop1h 31m
Deal found 9/5![United Airlines logo]()
$269
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:00 pm -
Nonstop1h 05m
Sun 10/48:15 am -
Nonstop1h 10m
Deal found 9/7![Southwest logo]()
$253
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:05 am -
Nonstop1h 25m
Mon 10/55:55 pm -
Nonstop1h 31m
Deal found 9/7![Delta logo]()
$285
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:29 am -
1 stop5h 27m
Sun 11/12:25 pm -
1 stop3h 18m
Deal found 9/2![American Airlines logo]()
$318
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.
Wed 10/218:00 am -
Nonstop1h 31m
Wed 10/283:30 pm -
Nonstop1h 29m
Deal found 9/6![United Airlines logo]()
$269
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:30 pm -
1 stop18h 09m
Mon 10/1912:57 pm -
1 stop11h 16m
Deal found 9/7![Frontier logo]()
$276
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 10/17:50 pm -
Nonstop1h 30m
Thu 10/87:10 am -
Nonstop1h 35m
Deal found 9/3![Southwest logo]()
$257
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:29 am -
Nonstop1h 11m
Fri 10/235:40 pm -
Nonstop1h 20m
Deal found 9/6![Delta logo]()
$285
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:21 am -
1 stop5h 51m
Sun 10/49:07 pm -
1 stop4h 20m
Deal found 9/2![American Airlines logo]()
$328
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 11/2610:34 am -
Nonstop1h 33m
Sun 11/2910:00 pm -
Nonstop1h 33m
Deal found 9/7![United Airlines logo]()
$281
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:29 am -
Nonstop1h 11m
Wed 10/149:10 am -
Nonstop1h 22m
Deal found 9/7![Delta logo]()
$285
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:00 pm -
Nonstop1h 10m
Mon 10/267:50 am -
Nonstop1h 10m
Deal found 9/5![Southwest logo]()
$269
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.
Sat 10/1712:49 pm -
Nonstop1h 36m
Mon 10/195:30 am -
Nonstop1h 29m
Deal found 9/6![United Airlines logo]()
$285
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.
Fri 10/234:20 pm -
2 stops6h 35m
Fri 10/307:10 am -
1 stop5h 50m
Deal found 9/3![Southwest logo]()
$274
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:55 am -
Nonstop1h 26m
Mon 9/287:35 am -
Nonstop1h 21m
Deal found 9/4![Delta logo]()
$305
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 10/87:45 pm -
Nonstop1h 30m
Fri 10/1610:25 am -
Nonstop1h 29m
Deal found 9/6![United Airlines logo]()
$285
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.
Thu 9/245:28 pm -
Nonstop1h 24m
Sun 9/276:00 am -
1 stop6h 01m
Deal found 9/3![American Airlines logo]()
$381
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
2 stops14h 03m
Sun 10/47:28 pm -
1 stop17h 42m
Deal found 9/7![Frontier logo]()
$366
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated September 8, 2026 and is based on user searches.
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 9/248:50 pm -
Nonstop1h 10m
Mon 9/288:55 pm -
Nonstop1h 15m
Deal found 9/3![Southwest logo]()
$117
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.
Thu 9/245:00 am -
Nonstop1h 29m
Mon 9/2811:05 pm -
Nonstop1h 22m
Deal found 9/3![American Airlines logo]()
$117
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 9/246:39 pm -
1 stop15h 41m
Mon 9/288:55 pm -
1 stop14h 37m
Deal found 9/3![Frontier logo]()
$135
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 9/257:21 am -
Nonstop1h 38m
Mon 9/288:55 am -
Nonstop1h 23m
Deal found 9/3![American Airlines logo]()
$134
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.
Fri 9/252:29 pm -
1 stop9h 15m
Mon 9/286:25 am -
1 stop6h 45m
Deal found 9/3![Frontier logo]()
$135
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.
Sun 10/410:20 am -
1 stop22h 32m
Thu 10/810:29 pm -
1 stop19h 29m
Deal found 9/4![Frontier logo]()
$150
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop9h 13m
Tue 10/133:03 pm -
1 stop27h 37m
Deal found 9/3![Frontier logo]()
$140
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 10/195:53 pm -
1 stop6h 38m
Thu 10/226:20 am -
1 stop10h 38m
Deal found 9/3![Frontier logo]()
$118
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop5h 08m
Mon 10/266:15 am -
1 stop11h 25m
Deal found 9/3![Frontier logo]()
$118
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.
Wed 10/213:35 pm -
2 stops6h 45m
Mon 10/266:30 pm -
1 stop5h 10m
Deal found 9/3![Southwest logo]()
$138
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 10/225:25 am -
Nonstop1h 05m
Fri 10/237:50 am -
Nonstop1h 10m
Deal found 9/3![Southwest logo]()
$134
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.
Fri 10/306:44 pm -
1 stop15h 59m
Tue 11/33:02 pm -
1 stop27h 38m
Deal found 9/4![Frontier logo]()
$139
One-way flights from Illinois to MichiganSearch for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
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.
Wed 10/218:50 pm -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest 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.
Thu 10/15:00 am -
Nonstop1h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$59
This MakeMyTrip 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:29 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$60
This MakeMyTrip 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop28h 13m
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 10/52:29 pm -
1 stop9h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$65
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:59 pm -
1 stop28h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$65
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:10 pm -
1 stop28h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$67
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:25 am -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Southwest logo]()
$69
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.
Wed 10/146:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$73
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:55 am -
2 stops6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Southwest logo]()
$74
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.
Fri 10/166:10 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$76
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 9/257:21 am -
Nonstop1h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$76
Find flight deals from Illinois to Michigan
Keep the following information in mind while searching for Illinois to Michigan flight deals. Data was last updated September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $59 (Southwest) |
Popular in | March |
Cheapest in | October |
Average price | $357 |
Good round-trip deal | $106 or less |
Good one-way deal | $49 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Michigan 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 8, 2026.
Use the filters below to find and compare flights from Illinois to Michigan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisChicago
STL Lambert-St Louis - MDW Chicago Midway
STLMDW
Lambert-St Louis
Wed 10/21
8:50 pm-10:00 pm
Nonstop1h 10m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
St. LouisChicago
STL Lambert-St Louis - ORD Chicago O'Hare Intl
STLORD
Lambert-St Louis
Wed 9/30
9:04 am-10:40 am
Nonstop1h 36m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
Quickest round-trip
St. LouisChicago
STL Lambert-St Louis - MDW Chicago Midway
STLMDW
Lambert-St Louis
Wed 9/30
10:45 am-11:50 am
Nonstop1h 05m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
St. LouisChicago
STL Lambert-St Louis - MDW Chicago Midway
STLMDW
Lambert-St Louis
Tue 11/3
11:20 am-4:47 pm
1 stop5h 27m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
St. LouisChicago
STL Lambert-St Louis - ORD Chicago O'Hare Intl
STLORD
Lambert-St Louis
Thu 10/1
6:40 am-12:59 pm
1 stop6h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
St. LouisChicago
STL Lambert-St Louis - MDW Chicago Midway
STLMDW
Lambert-St Louis
Sat 9/26
6:15 am-1:20 pm
1 stop7h 05m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
ChicagoDetroit
MDW Chicago Midway - DTW Detroit Metropolitan Wayne County
MDWDTW
Chicago Midway
Mon 11/9
3:05 pm-5:15 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$99
ChicagoDetroit
ORD Chicago O'Hare Intl - DTW Detroit Metropolitan Wayne County
ORDDTW
Chicago O'Hare Intl
Wed 10/28
7:00 am-9:30 am
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$99
ChicagoDetroit
MDW Chicago Midway - DTW Detroit Metropolitan Wayne County
MDWDTW
Chicago Midway
Wed 10/14
6:00 pm-8:10 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$99
ChicagoDetroit
ORD Chicago O'Hare Intl - DTW Detroit Metropolitan Wayne County
ORDDTW
Chicago O'Hare Intl
Sat 10/31
5:29 pm-8:00 pm
Nonstop1h 31m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$99
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Michigan
Have a flexible travel schedule? Discover the best time to fly to Michigan from Illinois with our price prediction graph.
STL-MDW
STL-ORD
STL-DTW
STL-GRR
PIA-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 Illinois to Michigan
USIL-USMI
STL-MDW
STL-ORD
STL-DTW
STL-GRR
What is the cheapest month to book a flight from Illinois to Michigan?
Currently, December is the cheapest month in which you can book a flight from Illinois to Michigan (average of $247). Flying from Illinois to Michigan in July is currently the most expensive (average of $463). 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 IL to MI?
Find hourly flight availability from Illinois to Michigan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 8, 2026.
One of the essential ways to save on airfare from Illinois to Michigan 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 19% on airfare.
Weekly flight availability from Illinois to Michigan
Explore weekly flight availability from Illinois to Michigan. 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 8, 2026.
The most flights from USIL to USMI are scheduled on a Sunday (82 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Illinois to Michigan?
Airfare is below average for this route at the moment.
Illinois to Michigan flights typically cost between $309 and $417 in September.The cheapest round-trip price found within the last 5 days was $240 on Frontier (Sep 21-Sep 23).
What is the cheapest day to fly from Illinois to Michigan?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Michigan. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Illinois to Michigan flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Michigan
Get insights into the airlines that provide service to Michigan. 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 Michigan. Reviews last updated September 8, 2026.
Read through reviews of airlines operating flights from Illinois to Michigan, such as Southwest,Delta, andContour. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Illinois to Michigan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Illinois to Michigan
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Michigan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Michigan by cabin class
Find flights from Illinois to Michigan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Michigan flights
Browse other Illinois and Michigan flight options. Last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Michigan
Find the right flight back to Illinois after your stay in Michigan
Illinois to Michigan flights
Consider these flights traveling from Illinois to Michigan.
Top 4 airlines flying from Illinois to Michigan
Discover the top 4 airlines that operate flights from Illinois to Michigan. 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$479 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$128 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$349 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$157 | Average$380 | FlexibilityNo cancel fee | On-time69% |