$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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Jul 3 — Jul 101
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 June 3, 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 June 3, 2026.
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:01 am
ORD
- DTW
Nonstop1h 29m
Delta
Tue 6/308:00 pm
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 6/2![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:45 am
MDW
- DTW
Nonstop1h 15m
Southwest
Tue 6/307:50 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 6/2![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:15 pm
STL
- DTW
1 stop3h 50m
Southwest
Sat 7/47:05 am
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 5/30![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:48 am
ORD
- DTW
Nonstop1h 31m
Delta
Thu 8/67:25 am
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 6/3![Delta logo]()
$176
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:42 pm
MDW
- DTW
Nonstop1h 18m
Delta
Thu 8/66:15 pm
DTW
- MDW
Nonstop1h 18m
Delta
Deal found 6/3![Delta logo]()
$176
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:35 am
ORD
- GRR
Nonstop1h 13m
United Airlines
Tue 7/76:25 pm
GRR
- ORD
Nonstop1h 15m
United Airlines
Deal found 6/2![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:30 am
STL
- DTW
Nonstop1h 34m
Delta
Sat 6/278:00 pm
DTW
- STL
Nonstop1h 39m
Delta
Deal found 6/1![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:10 pm
MDW
- DTW
1 stop4h 00m
Southwest
Wed 7/18:10 pm
DTW
- MDW
1 stop4h 00m
Southwest
Deal found 6/2![Southwest logo]()
$177
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:32 pm
ORD
- GRR
Nonstop1h 04m
American Airlines
Wed 7/226:00 am
GRR
- ORD
Nonstop1h 07m
American Airlines
Deal found 5/31![American Airlines logo]()
$178
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:00 am
MDW
- DTW
1 stop4h 05m
Southwest
Wed 9/168:45 am
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 6/2![Southwest logo]()
$186
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:15 pm
STL
- DTW
1 stop3h 50m
Southwest
Thu 7/95:50 am
DTW
- STL
2 stops13h 40m
Southwest
Deal found 6/1![Southwest logo]()
$188
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:40 pm
STL
- DTW
Nonstop1h 35m
Southwest
Sat 7/117:20 pm
DTW
- STL
1 stop3h 30m
Southwest
Deal found 6/1![Southwest 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 June 3, 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 June 3, 2026.
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:52 pm
ORD
- DTW
Nonstop1h 37m
United Airlines
Wed 8/2610:30 am
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 6/2![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:26 pm
MDW
- DTW
Nonstop1h 18m
Delta
Wed 7/88:50 am
DTW
- MDW
Nonstop1h 23m
Delta
Deal found 6/3![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:10 pm
STL
- DTW
1 stop6h 20m
Southwest
Wed 7/225:35 am
DTW
- STL
2 stops8h 00m
Southwest
Deal found 5/31![Southwest logo]()
$208
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:05 pm
STL
- DTW
1 stop3h 49m
United Airlines
Thu 7/305:30 am
DTW
- STL
1 stop4h 09m
United Airlines
Deal found 6/1![United Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:30 am
MDW
- DTW
Nonstop1h 10m
Delta
Mon 9/146:18 pm
DTW
- MDW
Nonstop1h 15m
Delta
Deal found 5/31![Delta logo]()
$219
This Southwest deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:10 pm
MDW
- DTW
1 stop4h 00m
Southwest
Tue 6/306:30 pm
DTW
- MDW
1 stop5h 05m
Southwest
Deal found 5/29![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:53 pm
STL
- DTW
1 stop5h 31m
United Airlines
Tue 7/218:50 am
DTW
- STL
1 stop4h 21m
United Airlines
Deal found 5/29![United Airlines logo]()
$212
This American Airlines deal was found by Cheapflights users on 6/2. 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.
Sat 7/112:35 pm
STL
- TVC
1 stop3h 47m
American Airlines
Mon 7/277:53 pm
TVC
- STL
1 stop5h 23m
American Airlines
Deal found 6/2![American Airlines logo]()
$500
This Southwest deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:55 am
STL
- MDW
1 stop5h 40m
Southwest
Wed 8/262:05 pm
MDW
- STL
1 stop5h 50m
Southwest
Deal found 5/29![Southwest logo]()
$234
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:30 am
ORD
- DTW
Nonstop1h 26m
Delta
Fri 11/206:10 pm
DTW
- ORD
Nonstop1h 30m
Delta
Deal found 5/29![Delta logo]()
$236
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:55 am
ORD
- DTW
Nonstop1h 39m
United Airlines
Wed 10/1412:30 pm
DTW
- ORD
Nonstop1h 33m
United Airlines
Deal found 6/2![United Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:55 pm
STL
- MDW
Nonstop1h 10m
Southwest
Sat 7/116:30 am
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 6/2![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:58 pm
STL
- DTW
1 stop5h 01m
Delta
Sun 7/198:50 am
DTW
- STL
Nonstop1h 41m
Delta
Deal found 5/29![Delta logo]()
$238
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:13 pm
STL
- ORD
Nonstop1h 30m
United Airlines
Fri 8/77:55 pm
ORD
- STL
Nonstop1h 31m
United Airlines
Deal found 5/31![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:30 am
STL
- DTW
Nonstop1h 34m
Delta
Wed 7/87:40 pm
DTW
- STL
1 stop5h 13m
Delta
Deal found 5/30![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:55 am
MDW
- DTW
Nonstop1h 10m
Southwest
Tue 6/238:10 pm
DTW
- MDW
1 stop4h 00m
Southwest
Deal found 6/1![Southwest logo]()
$259
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/119:20 am
STL
- ORD
Nonstop1h 32m
United Airlines
Tue 7/1410:00 pm
ORD
- STL
Nonstop1h 29m
United Airlines
Deal found 5/31![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:01 am
ORD
- DTW
Nonstop1h 29m
Delta
Tue 6/235:58 pm
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 6/1![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:59 pm
STL
- ORD
Nonstop1h 31m
United Airlines
Sun 7/1210:40 am
ORD
- STL
Nonstop1h 31m
United Airlines
Deal found 5/31![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am
MDW
- DTW
1 stop5h 25m
Southwest
Sun 11/11:30 pm
DTW
- MDW
Nonstop1h 20m
Southwest
Deal found 6/1![Southwest logo]()
$265
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:58 pm
MDW
- DTW
Nonstop1h 21m
Delta
Tue 6/3012:25 pm
DTW
- MDW
Nonstop1h 21m
Delta
Deal found 5/31![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
STL
- ORD
Nonstop1h 30m
United Airlines
Sat 8/15:55 pm
ORD
- STL
Nonstop1h 28m
United Airlines
Deal found 5/29![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:40 am
STL
- DTW
2 stops5h 55m
Southwest
Wed 7/83:50 pm
DTW
- STL
2 stops8h 15m
Southwest
Deal found 5/29![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:10 pm
ORD
- MBS
1 stop4h 16m
Delta
Sun 10/411:40 am
MBS
- ORD
1 stop5h 34m
Delta
Deal found 6/1![Delta logo]()
$254
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:30 pm
STL
- ORD
Nonstop1h 31m
United Airlines
Sun 9/1310:29 am
ORD
- STL
Nonstop1h 33m
United Airlines
Deal found 5/30![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:15 pm
STL
- DTW
2 stops6h 40m
Southwest
Sat 7/1111:05 am
DTW
- STL
2 stops9h 55m
Southwest
Deal found 6/1![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:51 am
ORD
- GRR
1 stop3h 29m
Delta
Mon 9/78:27 am
GRR
- ORD
1 stop5h 46m
Delta
Deal found 5/29![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:05 pm
ORD
- TVC
Nonstop1h 19m
United Airlines
Sat 8/227:15 am
TVC
- ORD
Nonstop1h 28m
United Airlines
Deal found 5/30![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:30 am
STL
- MDW
1 stop6h 09m
Delta
Sun 8/309:24 am
MDW
- STL
1 stop3h 50m
Delta
Deal found 6/1![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:20 am
STL
- MDW
Nonstop1h 05m
Southwest
Tue 6/2311:25 am
MDW
- STL
Nonstop1h 10m
Southwest
Deal found 6/1![Southwest logo]()
$288
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated June 3, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated June 3, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:15 pm
STL
- DTW
1 stop3h 50m
Southwest
Sat 7/47:05 am
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 5/30![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:30 am
STL
- DTW
Nonstop1h 34m
Delta
Sat 6/278:00 pm
DTW
- STL
Nonstop1h 39m
Delta
Deal found 6/1![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:20 am
ORD
- DTW
Nonstop1h 32m
United Airlines
Wed 7/17:22 pm
DTW
- ORD
Nonstop1h 37m
United Airlines
Deal found 6/2![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:45 am
MDW
- DTW
Nonstop1h 15m
Southwest
Tue 6/307:50 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 6/2![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:10 pm
MDW
- DTW
1 stop4h 00m
Southwest
Wed 7/17:50 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 6/2![Southwest logo]()
$167
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:35 am
ORD
- GRR
Nonstop1h 13m
United Airlines
Tue 7/76:25 pm
GRR
- ORD
Nonstop1h 15m
United Airlines
Deal found 6/2![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:15 pm
STL
- DTW
1 stop3h 50m
Southwest
Thu 7/95:50 am
DTW
- STL
2 stops13h 40m
Southwest
Deal found 6/1![Southwest logo]()
$188
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:40 pm
STL
- DTW
Nonstop1h 35m
Southwest
Sat 7/117:20 pm
DTW
- STL
1 stop3h 30m
Southwest
Deal found 6/1![Southwest logo]()
$193
This deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:54 pm
STL
- DTW
Nonstop1h 36m
Delta
Wed 7/224:45 pm
DTW
- STL
Nonstop1h 39m
Delta
Deal found 6/2![Delta logo]()
$209
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:32 pm
ORD
- GRR
Nonstop1h 04m
American Airlines
Wed 7/226:00 am
GRR
- ORD
Nonstop1h 07m
American Airlines
Deal found 5/31![American Airlines logo]()
$178
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:40 pm
STL
- DTW
Nonstop1h 35m
Southwest
Wed 7/225:35 am
DTW
- STL
2 stops8h 00m
Southwest
Deal found 5/31![Southwest logo]()
$198
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:53 pm
STL
- DTW
1 stop5h 31m
United Airlines
Tue 7/218:50 am
DTW
- STL
1 stop4h 21m
United Airlines
Deal found 5/29![United Airlines logo]()
$212
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 June 3, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:51 am
ORD
- DTW
Nonstop1h 24m
Delta
Deal found 6/1![Delta logo]()
$59
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:42 pm
MDW
- DTW
Nonstop1h 18m
Delta
Deal found 6/1![Delta logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Tue 8/258:08 pm
STL
- DTW
1 stop26h 51m
Frontier
Deal found 6/2![Frontier logo]()
$68
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:40 am
MDW
- DTW
1 stop4h 15m
Southwest
Deal found 6/1![Southwest logo]()
$69
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:55 pm
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 5/31![Southwest logo]()
$69
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:13 pm
STL
- ORD
Nonstop1h 30m
United Airlines
Deal found 6/1![United Airlines logo]()
$69
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:08 am
STL
- ORD
Nonstop1h 28m
American Airlines
Deal found 6/1![American Airlines logo]()
$70
This Southwest deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 8/127:20 pm
STL
- DTW
Nonstop1h 30m
Southwest
Deal found 5/28![Southwest logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 8/46:34 pm
STL
- ORD
1 stop25h 19m
Frontier
Deal found 6/3![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Mon 8/319:48 pm
ORD
- DTW
1 stop25h 11m
Frontier
Deal found 6/3![Frontier logo]()
$74
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:30 pm
ORD
- DTW
Nonstop1h 30m
United Airlines
Deal found 6/1![United Airlines logo]()
$77
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:00 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Deal found 6/1![Southwest logo]()
$77
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 June 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Delta) |
One-way from | $59 (Delta) |
Popular in | March |
Cheapest in | October |
Average price | $279 |
Good round-trip deal | $80 or less |
Good one-way deal | $37 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 June 3, 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
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Wed 8/19
12:52 pm-3:29 pm
Nonstop1h 37m
Detroit Metropolitan Wayne County
Wed 8/26
10:30 am-10:59 am
Nonstop1h 29m
$157
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Wed 7/1
1:26 pm-3:44 pm
Nonstop1h 18m
Detroit Metropolitan Wayne County
Wed 7/8
8:50 am-9:13 am
Nonstop1h 23m
$157
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Wed 7/15
3:10 pm-10:30 pm
1 stop6h 20m
Detroit Metropolitan Wayne County
Wed 7/22
5:35 am-12:35 pm
2 stops8h 00m
$208
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Sun 7/26
7:05 pm-11:54 pm
1 stop3h 49m
Detroit Metropolitan Wayne County
Thu 7/30
5:30 am-8:39 am
1 stop4h 09m
$212
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Sat 7/18
4:53 pm-11:24 pm
1 stop5h 31m
Detroit Metropolitan Wayne County
Tue 7/21
8:50 am-12:11 pm
1 stop4h 21m
$212
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Fri 9/11
9:30 am-11:40 am
Nonstop1h 10m
Detroit Metropolitan Wayne County
Mon 9/14
6:18 pm-6:33 pm
Nonstop1h 15m
$219
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Tue 6/23
5:10 pm-10:10 pm
1 stop4h 00m
Detroit Metropolitan Wayne County
Tue 6/30
6:30 pm-10:35 pm
1 stop5h 05m
$227
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 10/13
6:55 am-9:34 am
Nonstop1h 39m
Detroit Metropolitan Wayne County
Wed 10/14
12:30 pm-1:03 pm
Nonstop1h 33m
$227
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Wed 8/26
5:55 am-11:35 am
1 stop5h 40m
Chicago Midway
Wed 8/26
2:05 pm-7:55 pm
1 stop5h 50m
$234
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 11/17
11:30 am-1:56 pm
Nonstop1h 26m
Detroit Metropolitan Wayne County
Fri 11/20
6:10 pm-6:40 pm
Nonstop1h 30m
$236
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-DTW
STL-TVC
STL-MDW
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-DTW
STL-TVC
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 June 3, 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 23% 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 June 3, 2026.
The most flights from USIL to USMI are scheduled on a Tuesday (98 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).
How much does it cost to fly round-trip from Illinois to Michigan?
How far ahead should I book a flight from Illinois to Michigan?
The best time to book flights from Illinois to Michigan is 51 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 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 30, 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.
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 June 3, 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
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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 June 3, 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 June 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$325 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$325 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$348 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$178 | FlexibilityNo cancel fee | On-time62% |