$59+ Cheap flights from Illinois to Michigan
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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Jun 18 — Jun 251
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Michigan with Cheapflights
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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 May 19, 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 May 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/85:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Wed 6/105:38 pm
DTW
- STL
1 stop24h 52m
Frontier
Deal found 5/18![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/96:31 pm
STL
- DTW
1 stop29h 13m
Frontier
Mon 6/155:38 pm
DTW
- STL
1 stop24h 52m
Frontier
Deal found 5/14![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/84:52 pm
STL
- DTW
1 stop6h 48m
Frontier
Mon 7/1311:00 am
DTW
- STL
2 stops31h 37m
Frontier
Deal found 5/17![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 7/204:52 pm
STL
- DTW
2 stops17h 50m
Frontier
Fri 7/246:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 5/14![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 8/256:33 pm
STL
- DTW
1 stop21h 07m
Frontier
Tue 9/812:42 pm
DTW
- STL
2 stops21h 58m
Frontier
Deal found 5/16![Frontier logo]()
$172
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:30 pm
ORD
- GRR
Nonstop1h 09m
American Airlines
Wed 6/108:02 pm
GRR
- ORD
Nonstop1h 38m
American Airlines
Deal found 5/16![American Airlines logo]()
$177
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/810:30 pm
ORD
- GRR
Nonstop1h 00m
American Airlines
Wed 6/108:02 pm
GRR
- ORD
Nonstop1h 38m
American Airlines
Deal found 5/14![American Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/154:52 pm
STL
- DTW
1 stop6h 48m
Frontier
Sat 8/222:40 pm
DTW
- STL
1 stop27h 50m
Frontier
Deal found 5/14![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/125:06 pm
STL
- DTW
1 stop6h 38m
Frontier
Mon 6/155:38 pm
DTW
- STL
1 stop24h 52m
Frontier
Deal found 5/14![Frontier logo]()
$189
This Frontier deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 8/116:33 pm
STL
- DTW
1 stop5h 07m
Frontier
Wed 8/128:00 am
DTW
- STL
1 stop12h 23m
Frontier
Deal found 5/17![Frontier logo]()
$190
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 10/246:40 am
ORD
- GRR
Nonstop1h 02m
American Airlines
Sat 10/315:49 pm
GRR
- ORD
Nonstop1h 11m
American Airlines
Deal found 5/16![American Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/54:52 pm
STL
- DTW
1 stop19h 13m
Frontier
Sun 8/92:02 pm
DTW
- STL
1 stop19h 55m
Frontier
Deal found 5/15![Frontier logo]()
$193
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 May 19, 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 May 19, 2026.
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/238:52 am
ORD
- GRR
1 stop4h 16m
Delta
Tue 6/308:15 am
GRR
- ORD
1 stop3h 35m
Delta
Deal found 5/18![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 8/1211:10 am
STL
- DTW
Nonstop1h 30m
Southwest
Mon 8/176:55 am
DTW
- STL
Nonstop1h 50m
Southwest
Deal found 5/18![Southwest logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/1612:27 pm
MDW
- DTW
2 stops22h 08m
Frontier
Tue 6/232:02 pm
DTW
- MDW
1 stop9h 09m
Frontier
Deal found 5/18![Frontier logo]()
$238
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/99:45 pm
ORD
- GRR
Nonstop1h 12m
United Airlines
Wed 6/106:45 pm
GRR
- ORD
Nonstop1h 15m
United Airlines
Deal found 5/15![United Airlines logo]()
$247
This KAYAK deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/810:30 pm
ORD
- GRR
Nonstop1h 00m
American Airlines
Thu 6/115:34 pm
GRR
- ORD
1 stop7h 24m
American Airlines
Deal found 5/14![American Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/256:35 pm
MDW
- DTW
Nonstop1h 18m
Delta
Tue 7/288:45 am
DTW
- MDW
Nonstop1h 23m
Delta
Deal found 5/17![Delta logo]()
$226
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/162:35 pm
MDW
- DTW
1 stop6h 35m
Southwest
Tue 6/237:05 am
DTW
- MDW
1 stop6h 20m
Southwest
Deal found 5/15![Southwest logo]()
$226
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/1510:25 am
STL
- ORD
Nonstop1h 32m
United Airlines
Tue 6/1610:40 am
ORD
- STL
Nonstop1h 31m
United Airlines
Deal found 5/18![United Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/96:10 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Thu 6/251:25 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 5/18![Southwest logo]()
$226
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/135:22 pm
ORD
- DTW
Nonstop1h 29m
Delta
Tue 6/233:55 pm
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 5/16![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/47:15 am
STL
- DTW
1 stop4h 40m
Southwest
Sat 8/86:35 am
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 5/15![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/81:26 pm
MDW
- DTW
Nonstop1h 18m
Delta
Tue 6/912:25 pm
DTW
- MDW
Nonstop1h 21m
Delta
Deal found 5/18![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/191:10 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Tue 6/236:40 am
DTW
- MDW
1 stop5h 20m
Southwest
Deal found 5/16![Southwest logo]()
$236
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 8/298:27 am
STL
- TVC
1 stop3h 43m
United Airlines
Tue 9/19:00 am
TVC
- STL
1 stop4h 02m
United Airlines
Deal found 5/17![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/109:17 am
MDW
- DTW
Nonstop1h 18m
Delta
Mon 6/156:07 pm
DTW
- MDW
Nonstop1h 24m
Delta
Deal found 5/17![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/307:01 am
ORD
- GRR
1 stop5h 19m
Delta
Thu 7/28:15 am
GRR
- ORD
1 stop5h 45m
Delta
Deal found 5/16![Delta logo]()
$240
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/221:00 pm
MDW
- DTW
2 stops5h 35m
Southwest
Wed 6/241:25 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 5/15![Southwest logo]()
$241
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/310:45 am
ORD
- TVC
Nonstop1h 28m
United Airlines
Tue 7/72:18 pm
TVC
- ORD
Nonstop1h 27m
United Airlines
Deal found 5/17![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/157:50 am
STL
- DTW
1 stop5h 10m
Southwest
Sat 8/221:20 pm
DTW
- STL
Nonstop1h 30m
Southwest
Deal found 5/14![Southwest logo]()
$245
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/286:30 am
STL
- MDW
1 stop6h 16m
Delta
Wed 7/89:19 am
MDW
- STL
1 stop3h 46m
Delta
Deal found 5/17![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/195:45 pm
ORD
- DTW
Nonstop1h 37m
United Airlines
Sat 6/2010:55 am
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 5/18![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/245:55 pm
STL
- MDW
Nonstop1h 10m
Southwest
Sat 6/2710:25 am
MDW
- STL
1 stop4h 30m
Southwest
Deal found 5/18![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/246:30 am
STL
- ORD
1 stop6h 34m
Delta
Sat 6/271:55 pm
ORD
- STL
1 stop6h 44m
Delta
Deal found 5/17![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/85:59 pm
ORD
- GRR
Nonstop1h 18m
United Airlines
Thu 6/117:15 am
GRR
- ORD
Nonstop1h 13m
United Airlines
Deal found 5/14![United Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 10/278:00 am
MDW
- DTW
2 stops9h 25m
Southwest
Thu 10/293:15 pm
DTW
- MDW
2 stops6h 05m
Southwest
Deal found 5/15![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/146:30 am
STL
- ORD
1 stop6h 33m
Delta
Sat 7/1811:10 am
ORD
- STL
1 stop6h 09m
Delta
Deal found 5/18![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/235:55 pm
STL
- MDW
Nonstop1h 10m
Southwest
Sat 6/275:05 pm
MDW
- STL
2 stops6h 40m
Southwest
Deal found 5/18![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 7/61:13 pm
STL
- ORD
Nonstop1h 30m
United Airlines
Thu 7/97:00 am
ORD
- STL
Nonstop1h 34m
United Airlines
Deal found 5/14![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/286:58 pm
MDW
- TVC
1 stop3h 58m
Delta
Sat 7/46:40 am
TVC
- MDW
1 stop3h 34m
Delta
Deal found 5/15![Delta logo]()
$259
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/710:20 am
STL
- ORD
Nonstop1h 32m
United Airlines
Sun 8/97:55 pm
ORD
- STL
Nonstop1h 31m
United Airlines
Deal found 5/14![United Airlines logo]()
$337
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated May 19, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated May 19, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/47:55 am
MDW
- DTW
Nonstop1h 10m
Southwest
Mon 6/85:50 am
DTW
- MDW
1 stop5h 45m
Southwest
Deal found 5/14![Southwest logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/85:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Wed 6/105:38 pm
DTW
- STL
1 stop24h 52m
Frontier
Deal found 5/18![Frontier logo]()
$124
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/810:30 pm
ORD
- GRR
Nonstop1h 00m
American Airlines
Wed 6/108:02 pm
GRR
- ORD
Nonstop1h 38m
American Airlines
Deal found 5/14![American Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/85:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Fri 6/126:10 am
DTW
- STL
1 stop27h 42m
Frontier
Deal found 5/15![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/96:31 pm
STL
- DTW
1 stop29h 13m
Frontier
Mon 6/155:38 pm
DTW
- STL
1 stop24h 52m
Frontier
Deal found 5/14![Frontier logo]()
$158
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:30 pm
ORD
- GRR
Nonstop1h 09m
American Airlines
Wed 6/108:02 pm
GRR
- ORD
Nonstop1h 38m
American Airlines
Deal found 5/16![American Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/95:22 pm
ORD
- GRR
1 stop5h 35m
Delta
Wed 6/105:30 am
GRR
- ORD
1 stop3h 35m
Delta
Deal found 5/16![Delta logo]()
$197
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:34 pm
ORD
- DTW
1 stop5h 59m
American Airlines
Wed 6/108:58 pm
DTW
- ORD
Nonstop1h 37m
American Airlines
Deal found 5/14![American Airlines logo]()
$197
This Mytrip deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:29 pm
ORD
- DTW
1 stop10h 15m
Frontier
Wed 6/108:52 am
DTW
- ORD
1 stop16h 56m
Frontier
Deal found 5/15![Frontier logo]()
$199
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/112:45 pm
MDW
- DTW
1 stop6h 40m
Southwest
Tue 7/217:50 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 5/14![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/125:06 pm
STL
- DTW
1 stop6h 38m
Frontier
Mon 6/155:38 pm
DTW
- STL
1 stop24h 52m
Frontier
Deal found 5/14![Frontier logo]()
$189
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/232:23 pm
ORD
- DTW
Nonstop1h 36m
American Airlines
Tue 6/306:45 am
DTW
- ORD
Nonstop1h 45m
American Airlines
Deal found 5/15![American Airlines logo]()
$203
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 May 19, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/167:17 pm
ORD
- DTW
Nonstop1h 33m
Delta
Deal found 5/13![Delta logo]()
$59
This Trip.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/84:52 pm
STL
- DTW
1 stop6h 48m
Frontier
Deal found 5/17![Frontier logo]()
$59
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/109:17 am
MDW
- DTW
Nonstop1h 18m
Delta
Deal found 5/14![Delta logo]()
$59
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/105:55 pm
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 5/14![Southwest logo]()
$59
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 7/16:00 am
STL
- ORD
Nonstop1h 30m
United Airlines
Deal found 5/14![United Airlines logo]()
$59
This Trip.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/105:06 pm
STL
- DTW
1 stop6h 38m
Frontier
Deal found 5/16![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 8/295:33 pm
STL
- DTW
1 stop6h 09m
Frontier
Deal found 5/18![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/146:33 pm
STL
- DTW
1 stop21h 17m
Frontier
Deal found 5/18![Frontier logo]()
$65
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/302:07 pm
ORD
- DTW
Nonstop1h 33m
Delta
Deal found 5/18![Delta logo]()
$69
This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/177:03 am
STL
- ORD
Nonstop1h 27m
American Airlines
Deal found 5/18![American Airlines logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/101:29 pm
ORD
- DTW
1 stop10h 15m
Frontier
Deal found 5/15![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/1112:11 pm
MDW
- DTW
1 stop27h 39m
Frontier
Deal found 5/14![Frontier logo]()
$70
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 May 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $124 (Kiwi.com) |
One-way from | $59 (Delta) |
Popular in | March |
Cheapest in | October |
Average price | $310 |
Good round-trip deal | $80 or less |
Good one-way deal | $39 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 2,558,603 searches. Data last updated May 19, 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
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Tue 6/23
8:52 am-2:08 pm
1 stop4h 16m
Grand Rapids Gerald R. Ford Intl
Tue 6/30
8:15 am-10:50 am
1 stop3h 35m
$197
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Wed 8/12
11:10 am-1:40 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Mon 8/17
6:55 am-7:45 am
Nonstop1h 50m
$222
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Sat 7/25
6:35 pm-8:53 pm
Nonstop1h 18m
Detroit Metropolitan Wayne County
Tue 7/28
8:45 am-9:08 am
Nonstop1h 23m
$226
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Tue 6/16
2:35 pm-10:10 pm
1 stop6h 35m
Detroit Metropolitan Wayne County
Tue 6/23
7:05 am-12:25 pm
1 stop6h 20m
$226
Quickest round-trip
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Tue 6/9
6:10 pm-8:20 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Thu 6/25
1:25 pm-1:35 pm
Nonstop1h 10m
$226
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Tue 8/4
7:15 am-12:55 pm
1 stop4h 40m
Detroit Metropolitan Wayne County
Sat 8/8
6:35 am-7:10 am
Nonstop1h 35m
$232
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Fri 6/19
1:10 pm-3:20 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Tue 6/23
6:40 am-11:00 am
1 stop5h 20m
$236
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Tue 6/16
12:27 pm-11:35 am
2 stops22h 08m
Detroit Metropolitan Wayne County
Tue 6/23
2:02 pm-10:11 pm
1 stop9h 09m
$238
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Sat 6/13
5:22 pm-7:51 pm
Nonstop1h 29m
Detroit Metropolitan Wayne County
Tue 6/23
3:55 pm-4:26 pm
Nonstop1h 31m
$239
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Mon 6/8
1:26 pm-3:44 pm
Nonstop1h 18m
Detroit Metropolitan Wayne County
Tue 6/9
12:25 pm-12:46 pm
Nonstop1h 21m
$239
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.
ORD-DTW
MDW-DTW
STL-ORD
STL-MDW
STL-TVC
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
ORD-DTW
MDW-DTW
STL-ORD
STL-MDW
How far ahead should I book a flight from Illinois to Michigan?
The best time to book flights from Illinois to Michigan is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Illinois to Michigan?
Currently, August is the cheapest month in which you can book a flight from Illinois to Michigan (average of $48). Flying from Illinois to Michigan in February is currently the most expensive (average of $91). 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 May 19, 2026.
One of the essential ways to save on airfare from Illinois to Michigan is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 29% on airfare.
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 May 16, 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. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 May 19, 2026.
The most flights from USIL to USMI are scheduled on a Monday (96 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Illinois to Michigan?
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 May 19, 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.
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 19, 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 5 airlines flying from Illinois to Michigan
Discover the top 5 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 2,558,603 searches. Data last updated May 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$325 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$324 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$343 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$178 | FlexibilityNo cancel fee | On-time62% |