$55+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Jul 15 — Jul 221
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 15, 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 15, 2026.
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/211:55 pm
ORD
- GRR
Nonstop1h 05m
United Airlines
Wed 7/295:15 am
GRR
- ORD
Nonstop1h 17m
United Airlines
Deal found 6/12![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/77:17 pm
ORD
- DTW
Nonstop1h 35m
Delta
Wed 7/88:00 pm
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 6/11![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/227:45 am
MDW
- DTW
Nonstop1h 15m
Southwest
Wed 7/297:50 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 6/11![Southwest logo]()
$157
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:58 am
ORD
- GRR
Nonstop1h 14m
American Airlines
Mon 9/212:43 pm
GRR
- ORD
Nonstop1h 29m
American Airlines
Deal found 6/13![American Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/45:20 pm
ORD
- DTW
Nonstop1h 32m
Delta
Wed 8/53:50 pm
DTW
- ORD
Nonstop1h 27m
Delta
Deal found 6/11![Delta logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:33 pm
STL
- DTW
1 stop5h 09m
Frontier
Tue 9/12:02 pm
DTW
- STL
1 stop19h 50m
Frontier
Deal found 6/10![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/104:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Fri 7/175:35 pm
DTW
- STL
1 stop16h 22m
Frontier
Deal found 6/11![Frontier logo]()
$187
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 10/611:00 am
ORD
- GRR
Nonstop1h 09m
United Airlines
Sat 10/106:10 pm
GRR
- ORD
Nonstop1h 26m
United Airlines
Deal found 6/11![United Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:34 pm
STL
- DTW
1 stop21h 06m
Frontier
Sun 8/26:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 6/13![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/254:57 pm
STL
- DTW
1 stop19h 36m
Frontier
Fri 7/315:35 pm
DTW
- STL
1 stop16h 22m
Frontier
Deal found 6/14![Frontier logo]()
$191
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/1710:00 pm
ORD
- GRR
Nonstop1h 07m
United Airlines
Mon 9/215:00 am
GRR
- ORD
Nonstop1h 19m
United Airlines
Deal found 6/12![United Airlines logo]()
$195
This Delta deal was found by Cheapflights users on 6/14. 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 9/92:00 pm
ORD
- GRR
1 stop6h 01m
Delta
Mon 9/215:30 am
GRR
- ORD
1 stop3h 32m
Delta
Deal found 6/14![Delta logo]()
$196
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 15, 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 15, 2026.
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/77:17 pm
ORD
- DTW
Nonstop1h 35m
Delta
Wed 7/88:00 pm
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 6/11![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:55 am
ORD
- DTW
Nonstop1h 39m
United Airlines
Wed 10/2112:30 pm
DTW
- ORD
Nonstop1h 33m
United Airlines
Deal found 6/10![United Airlines logo]()
$177
This JetBlue deal was found by Cheapflights users on 6/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am
ORD
- DTW
1 stop9h 02m
JetBlue
Wed 10/216:00 am
DTW
- ORD
1 stop6h 47m
JetBlue
Deal found 6/14![JetBlue logo]()
$201
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:00 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Sat 8/296:00 am
DTW
- MDW
2 stops8h 20m
Southwest
Deal found 6/10![Southwest logo]()
$230
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/149:19 am
MDW
- DTW
Nonstop1h 16m
Delta
Tue 7/146:07 pm
DTW
- MDW
Nonstop1h 18m
Delta
Deal found 6/11![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:20 pm
ORD
- DTW
Nonstop1h 32m
Delta
Wed 8/53:50 pm
DTW
- ORD
Nonstop1h 27m
Delta
Deal found 6/10![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:05 am
ORD
- DTW
Nonstop1h 25m
Delta
Wed 10/2110:00 am
DTW
- ORD
Nonstop1h 28m
Delta
Deal found 6/10![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:20 am
ORD
- DTW
Nonstop1h 32m
United Airlines
Wed 7/15:30 am
DTW
- ORD
Nonstop1h 26m
United Airlines
Deal found 6/10![United Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/66:40 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Mon 8/102:40 pm
DTW
- MDW
2 stops8h 40m
Southwest
Deal found 6/11![Southwest logo]()
$230
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 6/11![Delta logo]()
$177
This JetBlue deal was found by Cheapflights users on 6/13. 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 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 9/138:00 am
DTW
- ORD
1 stop6h 20m
JetBlue
Deal found 6/13![JetBlue logo]()
$239
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 8/296:36 am
STL
- TVC
2 stops7h 59m
American Airlines
Tue 9/14:20 pm
TVC
- STL
2 stops7h 35m
American Airlines
Deal found 6/15![American Airlines logo]()
$485
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:40 am
STL
- DTW
2 stops5h 55m
Southwest
Wed 7/291:25 pm
DTW
- STL
1 stop5h 55m
Southwest
Deal found 6/10![Southwest logo]()
$234
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:59 am
ORD
- GRR
Nonstop1h 17m
United Airlines
Wed 9/27:15 am
GRR
- ORD
Nonstop1h 19m
United Airlines
Deal found 6/10![United Airlines logo]()
$241
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:55 am
MDW
- DTW
1 stop5h 35m
Southwest
Mon 9/142:40 pm
DTW
- MDW
2 stops8h 40m
Southwest
Deal found 6/11![Southwest logo]()
$240
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:40 pm
ORD
- GRR
Nonstop1h 19m
United Airlines
Wed 7/82:06 pm
GRR
- ORD
Nonstop1h 09m
United Airlines
Deal found 6/13![United Airlines logo]()
$249
This JetBlue deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Wed 11/42:15 pm
ORD
- DTW
1 stop7h 05m
JetBlue
Sat 11/78:10 am
DTW
- ORD
1 stop6h 10m
JetBlue
Deal found 6/12![JetBlue logo]()
$279
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/47:00 am
STL
- MDW
1 stop4h 00m
Southwest
Wed 7/82:35 pm
MDW
- STL
Nonstop1h 10m
Southwest
Deal found 6/12![Southwest logo]()
$244
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/17:05 am
ORD
- DTW
Nonstop1h 25m
Delta
Tue 8/412:40 pm
DTW
- ORD
Nonstop1h 28m
Delta
Deal found 6/11![Delta logo]()
$240
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/288:00 am
STL
- ORD
Nonstop1h 34m
United Airlines
Sat 8/292:00 pm
ORD
- STL
Nonstop1h 31m
United Airlines
Deal found 6/12![United Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/215:20 pm
ORD
- GRR
1 stop5h 35m
Delta
Thu 8/275:30 am
GRR
- ORD
1 stop3h 26m
Delta
Deal found 6/11![Delta logo]()
$242
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/2810:40 am
STL
- MDW
1 stop3h 25m
Southwest
Sat 8/296:35 am
MDW
- STL
Nonstop1h 10m
Southwest
Deal found 6/12![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/101:55 pm
ORD
- GRR
Nonstop1h 12m
United Airlines
Sat 7/183:39 pm
GRR
- ORD
Nonstop1h 20m
United Airlines
Deal found 6/14![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 6/15. 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.
Fri 7/106:58 pm
MDW
- TVC
1 stop4h 10m
Delta
Wed 7/156:45 am
TVC
- MDW
1 stop3h 28m
Delta
Deal found 6/15![Delta logo]()
$259
This Southwest deal was found by Cheapflights users on 6/14. 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 8/610:20 am
STL
- MDW
1 stop4h 45m
Southwest
Sat 8/81:20 pm
MDW
- STL
1 stop6h 30m
Southwest
Deal found 6/14![Southwest logo]()
$286
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:59 am
ORD
- TVC
Nonstop1h 29m
United Airlines
Sat 9/510:30 am
TVC
- ORD
Nonstop1h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:55 am
STL
- TVC
1 stop6h 23m
American Airlines
Fri 8/74:20 pm
TVC
- STL
1 stop17h 03m
American Airlines
Deal found 6/10![American Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 6/13. 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.
Thu 10/226:45 pm
MDW
- TVC
1 stop3h 23m
Delta
Sun 10/256:00 am
TVC
- MDW
1 stop3h 45m
Delta
Deal found 6/13![Delta logo]()
$259
This Southwest deal was found by Cheapflights users on 6/14. 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.
Sun 7/195:50 am
STL
- DTW
1 stop3h 55m
Southwest
Sat 8/17:10 am
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 6/14![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:25 am
STL
- TVC
1 stop4h 33m
United Airlines
Tue 8/256:35 pm
TVC
- STL
1 stop4h 25m
United Airlines
Deal found 6/13![United Airlines logo]()
$309
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated June 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:30 am
STL
- DTW
Nonstop1h 34m
Delta
Wed 7/88:00 pm
DTW
- STL
Nonstop1h 37m
Delta
Deal found 6/10![Delta logo]()
$209
This Delta deal was found by Cheapflights users on 6/14. 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 7/16:30 am
STL
- DTW
Nonstop1h 34m
Delta
Tue 7/74:45 pm
DTW
- STL
Nonstop1h 39m
Delta
Deal found 6/14![Delta logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/104:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Fri 7/175:35 pm
DTW
- STL
1 stop16h 22m
Frontier
Deal found 6/11![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/114:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Sat 7/182:56 pm
DTW
- STL
1 stop27h 41m
Frontier
Deal found 6/11![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/174:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Sun 7/196:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 6/14![Frontier logo]()
$199
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/211:55 pm
ORD
- GRR
Nonstop1h 05m
United Airlines
Wed 7/295:15 am
GRR
- ORD
Nonstop1h 17m
United Airlines
Deal found 6/12![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/227:05 am
ORD
- DTW
Nonstop1h 25m
Delta
Wed 7/297:30 am
DTW
- ORD
Nonstop1h 29m
Delta
Deal found 6/11![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/221:18 pm
MDW
- DTW
Nonstop1h 17m
Delta
Wed 7/298:50 am
DTW
- MDW
Nonstop1h 23m
Delta
Deal found 6/11![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/227:25 am
MDW
- DTW
1 stop4h 10m
Southwest
Wed 7/297:50 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 6/11![Southwest logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/254:57 pm
STL
- DTW
1 stop19h 36m
Frontier
Fri 7/315:35 pm
DTW
- STL
1 stop16h 22m
Frontier
Deal found 6/14![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:34 pm
STL
- DTW
1 stop21h 06m
Frontier
Sun 8/26:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 6/13![Frontier logo]()
$188
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/2810:37 am
ORD
- GRR
Nonstop1h 13m
United Airlines
Thu 7/301:56 pm
GRR
- ORD
Nonstop1h 09m
United Airlines
Deal found 6/15![United Airlines logo]()
$210
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 15, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 7/85:55 pm
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 6/15![Southwest logo]()
$55
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 7/87:56 pm
STL
- ORD
Nonstop1h 37m
American Airlines
Deal found 6/15![American Airlines logo]()
$55
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:18 pm
ORD
- DTW
Nonstop1h 32m
Delta
Deal found 6/10![Delta logo]()
$79
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:59 am
ORD
- GRR
Nonstop1h 08m
United Airlines
Deal found 6/13![United Airlines logo]()
$79
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/79:19 am
MDW
- DTW
Nonstop1h 16m
Delta
Deal found 6/11![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 6/15. 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.
Tue 7/76:30 am
STL
- MDW
1 stop6h 08m
Delta
Deal found 6/15![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/81:54 pm
STL
- ORD
1 stop6h 37m
Delta
Deal found 6/12![Delta logo]()
$79
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/810:49 am
ORD
- GRR
Nonstop1h 09m
United Airlines
Deal found 6/11![United Airlines logo]()
$86
This Trip.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/124:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Deal found 6/11![Frontier logo]()
$88
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:22 am
ORD
- DTW
Nonstop1h 31m
Delta
Deal found 6/10![Delta logo]()
$89
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/111:59 pm
ORD
- GRR
1 stop4h 10m
Delta
Deal found 6/12![Delta logo]()
$89
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:00 pm
MDW
- DTW
Nonstop1h 12m
Delta
Deal found 6/10![Delta logo]()
$89
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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Delta) |
One-way from | $55 (Southwest) |
Popular in | March |
Cheapest in | August |
Average price | $338 |
Good round-trip deal | $108 or less |
Good one-way deal | $44 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 15, 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
Tue 7/7
7:17 pm-9:52 pm
Nonstop1h 35m
Detroit Metropolitan Wayne County
Wed 7/8
8:00 pm-8:31 pm
Nonstop1h 31m
$157
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Tue 7/14
9:19 am-11:35 am
Nonstop1h 16m
Detroit Metropolitan Wayne County
Tue 7/14
6:07 pm-6:25 pm
Nonstop1h 18m
$157
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Wed 10/14
6:55 am-9:34 am
Nonstop1h 39m
Detroit Metropolitan Wayne County
Wed 10/21
12:30 pm-1:03 pm
Nonstop1h 33m
$177
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 8/4
5:20 pm-7:52 pm
Nonstop1h 32m
Detroit Metropolitan Wayne County
Wed 8/5
3:50 pm-4:17 pm
Nonstop1h 27m
$177
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Wed 10/14
7:05 am-9:30 am
Nonstop1h 25m
Detroit Metropolitan Wayne County
Wed 10/21
10:00 am-10:28 am
Nonstop1h 28m
$177
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Tue 8/4
6:42 pm-9:00 pm
Nonstop1h 18m
Detroit Metropolitan Wayne County
Wed 8/5
12:21 pm-12:39 pm
Nonstop1h 18m
$177
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 10/20
6:30 am-4:32 pm
1 stop9h 02m
Detroit Metropolitan Wayne County
Wed 10/21
6:00 am-11:47 am
1 stop6h 47m
$201
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Thu 8/27
1:00 pm-3:10 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Sat 8/29
6:00 am-1:20 pm
2 stops8h 20m
$230
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 6/30
7:20 am-9:52 am
Nonstop1h 32m
Detroit Metropolitan Wayne County
Wed 7/1
5:30 am-5:56 am
Nonstop1h 26m
$230
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Thu 8/6
6:40 pm-8:50 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Mon 8/10
2:40 pm-10:20 pm
2 stops8h 40m
$230
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-TVC
STL-DTW
ORD-GRR
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-TVC
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 15, 2026.
One of the essential ways to save on airfare from Illinois to Michigan is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 20% 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 15, 2026.
The most flights from USIL to USMI are scheduled on a Monday (88 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (58 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 June 13, 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 15, 2026.
Read through reviews of airlines operating flights from Illinois to Michigan, such as Southwest,Delta, andContour. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 15, 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$326 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$354 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$178 | FlexibilityNo cancel fee | On-time62% |