$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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Jul 30 — Aug 61
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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/2110:37 am
ORD
- GRR
Nonstop1h 13m
United Airlines
Tue 7/286:25 pm
GRR
- ORD
Nonstop1h 15m
United Airlines
Deal found 6/30![United Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Mon 8/105:35 pm
DTW
- STL
1 stop25h 02m
Frontier
Deal found 6/30![Frontier logo]()
$165
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:59 am
ORD
- GRR
Nonstop1h 05m
American Airlines
Wed 8/127:33 am
GRR
- ORD
Nonstop1h 38m
American Airlines
Deal found 6/28![American Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/174:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Mon 7/205:35 pm
DTW
- STL
1 stop25h 02m
Frontier
Deal found 6/25![Frontier logo]()
$167
This American Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/222:08 pm
ORD
- GRR
Nonstop1h 10m
American Airlines
Mon 8/246:57 pm
GRR
- ORD
Nonstop1h 32m
American Airlines
Deal found 6/27![American Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/14:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Mon 8/35:35 pm
DTW
- STL
1 stop25h 02m
Frontier
Deal found 6/25![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Tue 7/286:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 6/28![Frontier logo]()
$171
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/86:02 pm
ORD
- GRR
Nonstop1h 10m
United Airlines
Mon 8/105:15 am
GRR
- ORD
Nonstop1h 18m
United Airlines
Deal found 6/25![United Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:00 pm
ORD
- GRR
1 stop3h 58m
Delta
Sat 10/243:37 pm
GRR
- ORD
1 stop5h 53m
Delta
Deal found 6/28![Delta logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Sun 7/266:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 6/29![Frontier logo]()
$178
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:59 am
ORD
- GRR
Nonstop1h 05m
American Airlines
Thu 8/202:37 pm
GRR
- ORD
Nonstop1h 23m
American Airlines
Deal found 6/29![American Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:35 am
STL
- DTW
1 stop27h 04m
Frontier
Sat 9/263:34 pm
DTW
- STL
1 stop19h 06m
Frontier
Deal found 6/26![Frontier logo]()
$182
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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/259:00 am
ORD
- GRR
Nonstop1h 18m
United Airlines
Sat 8/11:56 pm
GRR
- ORD
Nonstop1h 09m
United Airlines
Deal found 6/27![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 8/115:20 pm
ORD
- GRR
1 stop5h 35m
Delta
Wed 8/123:47 pm
GRR
- ORD
1 stop5h 43m
Delta
Deal found 6/30![Delta logo]()
$177
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/226:55 am
STL
- ORD
Nonstop1h 28m
American Airlines
Fri 8/711:29 am
ORD
- STL
Nonstop1h 25m
American Airlines
Deal found 6/25![American Airlines logo]()
$227
This JetBlue deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 am
ORD
- DTW
1 stop9h 02m
JetBlue
Sun 9/136:00 am
DTW
- ORD
1 stop6h 47m
JetBlue
Deal found 6/26![JetBlue logo]()
$229
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/227:20 pm
STL
- DTW
Nonstop1h 30m
Southwest
Thu 9/246:55 am
DTW
- STL
Nonstop1h 50m
Southwest
Deal found 6/26![Southwest logo]()
$237
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:03 pm
STL
- ORD
1 stop10h 34m
Frontier
Fri 8/77:29 am
ORD
- STL
1 stop10h 46m
Frontier
Deal found 6/25![Frontier logo]()
$244
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:58 am
ORD
- GRR
Nonstop1h 17m
United Airlines
Mon 8/175:00 am
GRR
- ORD
Nonstop1h 19m
United Airlines
Deal found 6/28![United Airlines logo]()
$167
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/106:02 pm
ORD
- GRR
Nonstop1h 10m
United Airlines
Thu 8/135:00 am
GRR
- ORD
Nonstop1h 19m
United Airlines
Deal found 6/27![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/131:35 pm
ORD
- GRR
1 stop4h 24m
Delta
Thu 10/1511:46 am
GRR
- ORD
1 stop5h 47m
Delta
Deal found 6/25![Delta logo]()
$196
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/222:30 pm
ORD
- GRR
1 stop5h 27m
Delta
Mon 8/243:47 pm
GRR
- ORD
1 stop5h 43m
Delta
Deal found 6/27![Delta logo]()
$196
This Southwest deal was found by Cheapflights users on 6/29. 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.
Sat 8/83:35 pm
MDW
- DTW
Nonstop1h 05m
Southwest
Mon 8/107:30 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 6/29![Southwest logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/96:34 pm
STL
- ORD
1 stop13h 28m
Frontier
Sun 8/167:05 am
ORD
- STL
1 stop25h 52m
Frontier
Deal found 6/25![Frontier logo]()
$251
This Southwest deal was found by Cheapflights users on 6/28. 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 8/1210:45 am
STL
- MDW
Nonstop1h 05m
Southwest
Fri 8/146:20 am
MDW
- STL
1 stop3h 10m
Southwest
Deal found 6/28![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 11/109:05 am
ORD
- GRR
Nonstop1h 20m
United Airlines
Wed 11/117:00 am
GRR
- ORD
Nonstop1h 22m
United Airlines
Deal found 6/29![United Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:59 am
ORD
- DTW
Nonstop1h 24m
Delta
Mon 8/105:58 pm
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 6/28![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 6/29. 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.
Sat 8/18:50 pm
STL
- MDW
Nonstop1h 10m
Southwest
Fri 8/712:05 pm
MDW
- STL
1 stop5h 15m
Southwest
Deal found 6/29![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 8/121:59 pm
ORD
- DTW
Nonstop1h 30m
Delta
Tue 8/1810:15 am
DTW
- ORD
Nonstop1h 27m
Delta
Deal found 6/29![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/127:47 pm
ORD
- DTW
Nonstop1h 38m
United Airlines
Tue 8/186:10 pm
DTW
- ORD
Nonstop1h 33m
United Airlines
Deal found 6/27![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/2511:55 am
STL
- MDW
1 stop5h 40m
Southwest
Fri 7/319:35 pm
MDW
- STL
Nonstop1h 20m
Southwest
Deal found 6/26![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:25 pm
MDW
- DTW
Nonstop1h 17m
Delta
Mon 8/1012:21 pm
DTW
- MDW
Nonstop1h 18m
Delta
Deal found 6/28![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/205:40 am
STL
- MDW
Nonstop1h 05m
Southwest
Wed 7/2210:00 am
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 6/26![Southwest logo]()
$238
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:20 pm
ORD
- GRR
1 stop5h 35m
Delta
Wed 8/125:30 am
GRR
- ORD
1 stop6h 12m
Delta
Deal found 6/28![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 6/28. 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.
Sat 8/86:45 am
STL
- MDW
2 stops6h 20m
Southwest
Mon 8/105:30 pm
MDW
- STL
1 stop4h 35m
Southwest
Deal found 6/28![Southwest logo]()
$243
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:27 pm
ORD
- DTW
Nonstop1h 29m
United Airlines
Fri 8/1410:30 am
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 6/28![United Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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
- GRR
1 stop5h 14m
Delta
Fri 8/142:35 pm
GRR
- ORD
1 stop4h 54m
Delta
Deal found 6/27![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 6/30. 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.
Tue 7/284:00 pm
STL
- DTW
1 stop7h 10m
Southwest
Tue 8/46:25 am
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 6/30![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Fri 7/103:35 pm
ORD
- TVC
Nonstop1h 22m
United Airlines
Mon 7/133:55 pm
TVC
- ORD
Nonstop1h 34m
United Airlines
Deal found 6/29![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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
Wed 8/512:21 pm
DTW
- MDW
Nonstop1h 18m
Delta
Deal found 6/27![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 6/29. 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 8/128:15 am
MDW
- DTW
1 stop4h 25m
Southwest
Tue 8/187:05 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 6/29![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:35 pm
ORD
- DTW
Nonstop1h 30m
United Airlines
Mon 9/1412:35 pm
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 6/25![United Airlines logo]()
$288
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated June 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated June 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:34 pm
STL
- DTW
1 stop29h 06m
Frontier
Tue 7/212:56 pm
DTW
- STL
1 stop19h 01m
Frontier
Deal found 6/30![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/174:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Mon 7/205:35 pm
DTW
- STL
1 stop25h 02m
Frontier
Deal found 6/25![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/189:57 pm
ORD
- DTW
1 stop13h 37m
Frontier
Tue 8/259:00 am
DTW
- ORD
1 stop7h 59m
Frontier
Deal found 6/27![Frontier logo]()
$226
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/2110:37 am
ORD
- GRR
Nonstop1h 13m
United Airlines
Tue 7/286:25 pm
GRR
- ORD
Nonstop1h 15m
United Airlines
Deal found 6/30![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 6/29. 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 7/217:05 am
ORD
- GRR
1 stop3h 16m
Delta
Tue 7/288:15 am
GRR
- ORD
1 stop5h 48m
Delta
Deal found 6/29![Delta logo]()
$177
This JetBlue deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:56 am
ORD
- DTW
1 stop5h 53m
JetBlue
Sat 8/297:30 am
DTW
- ORD
1 stop6h 29m
JetBlue
Deal found 6/27![JetBlue logo]()
$187
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/217:05 am
ORD
- DTW
1 stop5h 28m
Frontier
Wed 8/269:00 am
DTW
- ORD
1 stop7h 59m
Frontier
Deal found 6/27![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/2112:11 pm
MDW
- DTW
1 stop11h 29m
Frontier
Tue 8/256:00 am
DTW
- MDW
1 stop5h 55m
Frontier
Deal found 6/27![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Tue 7/286:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 6/28![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/227:05 am
ORD
- DTW
1 stop8h 23m
Frontier
Wed 8/2610:18 am
DTW
- ORD
1 stop27h 32m
Frontier
Deal found 6/27![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Sun 7/266:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 6/29![Frontier logo]()
$178
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 7/281:54 pm
STL
- ORD
1 stop6h 37m
Delta
Tue 8/411:22 am
ORD
- STL
1 stop6h 16m
Delta
Deal found 6/30![Delta logo]()
$218
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 30, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated June 30, 2026.
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/254:00 pm
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 6/26![Southwest logo]()
$59
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/251:18 pm
STL
- ORD
Nonstop1h 30m
United Airlines
Deal found 6/27![United Airlines logo]()
$59
This Southwest deal was found by Cheapflights users on 6/28. 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.
Sat 8/296:45 am
STL
- MDW
2 stops6h 20m
Southwest
Deal found 6/28![Southwest logo]()
$74
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/2912:40 pm
ORD
- GRR
Nonstop1h 15m
United Airlines
Deal found 6/25![United Airlines logo]()
$79
This Delta deal was found by Cheapflights users on 6/30. 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.
Sat 7/256:30 am
STL
- MDW
1 stop6h 08m
Delta
Deal found 6/30![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 6/29. 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 7/2510:19 am
STL
- ORD
1 stop6h 04m
Delta
Deal found 6/29![Delta logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:05 am
ORD
- DTW
1 stop8h 17m
Frontier
Deal found 6/29![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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.
Fri 8/144:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Deal found 6/27![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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.
Sat 8/84:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Deal found 6/26![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/294:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Deal found 6/25![Frontier logo]()
$84
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:27 pm
ORD
- DTW
1 stop5h 32m
JetBlue
Deal found 6/29![JetBlue logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:34 pm
STL
- DTW
1 stop21h 06m
Frontier
Deal found 6/28![Frontier logo]()
$85
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (United Airlines) |
One-way from | $59 (Southwest) |
Popular in | March |
Cheapest in | August |
Average price | $411 |
Good round-trip deal | $109 or less |
Good one-way deal | $47 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 30, 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
Sat 7/25
9:00 am-11:18 am
Nonstop1h 18m
Grand Rapids Gerald R. Ford Intl
Sat 8/1
1:56 pm-2:05 pm
Nonstop1h 09m
$157
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Sat 8/15
7:58 am-10:15 am
Nonstop1h 17m
Grand Rapids Gerald R. Ford Intl
Mon 8/17
5:00 am-5:19 am
Nonstop1h 19m
$167
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Tue 8/11
5:20 pm-11:55 pm
1 stop5h 35m
Grand Rapids Gerald R. Ford Intl
Wed 8/12
3:47 pm-8:30 pm
1 stop5h 43m
$177
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Mon 8/10
6:02 pm-8:12 pm
Nonstop1h 10m
Grand Rapids Gerald R. Ford Intl
Thu 8/13
5:00 am-5:19 am
Nonstop1h 19m
$177
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Tue 10/13
1:35 pm-6:59 pm
1 stop4h 24m
Grand Rapids Gerald R. Ford Intl
Thu 10/15
11:46 am-4:33 pm
1 stop5h 47m
$196
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Sat 8/22
2:30 pm-8:57 pm
1 stop5h 27m
Grand Rapids Gerald R. Ford Intl
Mon 8/24
3:47 pm-8:30 pm
1 stop5h 43m
$196
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Wed 7/22
6:55 am-8:23 am
Nonstop1h 28m
Chicago O'Hare Intl
Fri 8/7
11:29 am-12:54 pm
Nonstop1h 25m
$227
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Tue 11/10
9:05 am-11:25 am
Nonstop1h 20m
Grand Rapids Gerald R. Ford Intl
Wed 11/11
7:00 am-7:22 am
Nonstop1h 22m
$227
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Fri 9/11
6:30 am-4:32 pm
1 stop9h 02m
Detroit Metropolitan Wayne County
Sun 9/13
6:00 am-11:47 am
1 stop6h 47m
$229
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Tue 9/22
7:20 pm-9:50 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Thu 9/24
6:55 am-7:45 am
Nonstop1h 50m
$237
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-GRR
STL-ORD
ORD-DTW
STL-DTW
MDW-DTW
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-GRR
STL-ORD
ORD-DTW
STL-DTW
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 30, 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 25% 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 30, 2026.
The most flights from USIL to USMI are scheduled on a Tuesday (85 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 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 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 June 27, 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 June 30, 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.
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
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
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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 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$267 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$331 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$355 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$178 | FlexibilityNo cancel fee | On-time62% |