$49+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Apr 6 — Apr 131
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Michigan with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Illinois to MichiganExplore the most affordable flight options available from Illinois to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 7, 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 March 7, 2026.
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:05 am
ORD
- GRR
Nonstop1h 02m
American Airlines
Wed 4/85:00 am
GRR
- ORD
Nonstop1h 11m
American Airlines
Deal found 3/4![American Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Wed 3/1811:32 am
STL
- DTW
1 stop19h 35m
Multiple Airlines
Tue 3/246:05 am
DTW
- STL
1 stop5h 27m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:23 pm
STL
- DTW
1 stop14h 08m
Frontier
Sun 5/1010:05 am
DTW
- STL
1 stop21h 45m
Frontier
Deal found 3/6![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/711:21 am
STL
- DTW
1 stop19h 41m
Frontier
Tue 4/1412:33 pm
DTW
- STL
1 stop19h 17m
Frontier
Deal found 3/3![Frontier logo]()
$153
This Expedia deal was found by Cheapflights users on 3/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:59 pm
STL
- DTW
1 stop15h 15m
Frontier
Sun 4/1910:27 pm
DTW
- STL
1 stop22h 05m
Frontier
Deal found 3/2![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Fri 4/178:23 pm
STL
- DTW
1 stop14h 22m
Frontier
Fri 4/2410:27 pm
DTW
- STL
1 stop22h 05m
Frontier
Deal found 3/3![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:23 pm
STL
- DTW
1 stop14h 08m
Frontier
Fri 5/810:27 pm
DTW
- STL
1 stop21h 45m
Frontier
Deal found 3/4![Frontier logo]()
$169
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:10 am
ORD
- GRR
Nonstop1h 05m
American Airlines
Mon 3/306:00 am
GRR
- ORD
Nonstop1h 14m
American Airlines
Deal found 3/6![American Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:45 pm
ORD
- DTW
Nonstop1h 31m
United Airlines
Thu 4/99:00 am
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 3/3![United Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 3/2. 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.
Thu 3/267:00 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Mon 3/308:25 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 3/2![Southwest logo]()
$171
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:14 am
ORD
- GRR
Nonstop1h 10m
American Airlines
Thu 4/232:20 pm
GRR
- ORD
Nonstop1h 18m
American Airlines
Deal found 3/2![American Airlines logo]()
$172
This CheapOair deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:45 pm
ORD
- DTW
1 stop6h 48m
Spirit Airlines
Wed 3/188:15 am
DTW
- ORD
1 stop12h 36m
Spirit Airlines
Deal found 3/4![Spirit Airlines logo]()
$172
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 March 7, 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 March 7, 2026.
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:45 pm
ORD
- GRR
Nonstop1h 09m
United Airlines
Thu 4/95:03 pm
GRR
- ORD
Nonstop1h 02m
United Airlines
Deal found 3/5![United Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:35 am
MDW
- DTW
Nonstop1h 08m
Delta
Sat 4/115:40 pm
DTW
- MDW
Nonstop1h 14m
Delta
Deal found 3/5![Delta logo]()
$171
This Southwest deal was found by Cheapflights users on 3/2. 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.
Thu 3/267:00 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Mon 3/308:10 pm
DTW
- MDW
1 stop3h 50m
Southwest
Deal found 3/2![Southwest logo]()
$181
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:00 am
MLI
- ORD
Nonstop1h 15m
American Airlines
Sat 3/285:29 pm
ORD
- MLI
Nonstop1h 03m
American Airlines
Deal found 3/6![American Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Thu 4/1610:31 am
ORD
- GRR
2 stops32h 32m
Multiple Airlines
Thu 4/232:57 pm
GRR
- ORD
1 stop9h 10m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:45 pm
ORD
- DTW
Nonstop1h 25m
United Airlines
Mon 3/307:50 pm
DTW
- ORD
Nonstop1h 35m
United Airlines
Deal found 3/5![United Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:15 am
ORD
- GRR
1 stop4h 22m
Delta
Wed 4/82:21 pm
GRR
- ORD
1 stop3h 22m
Delta
Deal found 3/4![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:25 am
STL
- MDW
1 stop3h 30m
Southwest
Mon 3/306:25 pm
MDW
- STL
1 stop5h 40m
Southwest
Deal found 3/6![Southwest logo]()
$191
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Sun 5/172:50 pm
PIA
- ORD
Nonstop1h 12m
United Airlines
Sat 5/3012:40 pm
ORD
- PIA
Nonstop1h 12m
United Airlines
Deal found 3/2![United Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:10 pm
ORD
- GRR
Nonstop1h 07m
American Airlines
Tue 4/2110:27 am
GRR
- ORD
Nonstop1h 21m
American Airlines
Deal found 3/2![American Airlines logo]()
$215
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:21 am
STL
- ORD
2 stops6h 40m
Delta
Wed 5/272:59 pm
ORD
- STL
1 stop6h 30m
Delta
Deal found 3/6![Delta logo]()
$196
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:30 am
MLI
- ORD
Nonstop1h 16m
United Airlines
Sun 4/121:00 pm
ORD
- MLI
Nonstop1h 09m
United Airlines
Deal found 3/3![United Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 3/2. 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.
Sat 3/288:20 am
MDW
- DTW
Nonstop1h 15m
Southwest
Wed 4/13:35 pm
DTW
- MDW
1 stop5h 00m
Southwest
Deal found 3/2![Southwest logo]()
$211
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:46 pm
STL
- ORD
1 stop5h 06m
Delta
Sat 4/257:00 am
ORD
- STL
2 stops9h 50m
Delta
Deal found 3/6![Delta logo]()
$196
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:50 pm
ORD
- DTW
Nonstop1h 27m
United Airlines
Mon 4/132:05 pm
DTW
- ORD
Nonstop1h 35m
United Airlines
Deal found 3/3![United Airlines logo]()
$191
This Delta deal was found by Cheapflights users on 3/2. 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.
Fri 5/86:36 pm
MDW
- TVC
1 stop4h 23m
Delta
Sun 5/106:26 am
TVC
- MDW
1 stop3h 17m
Delta
Deal found 3/2![Delta logo]()
$199
This Southwest deal was found by Cheapflights users on 3/2. 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.
Thu 4/25:30 am
STL
- DTW
1 stop3h 20m
Southwest
Tue 4/77:10 pm
DTW
- STL
Nonstop1h 45m
Southwest
Deal found 3/2![Southwest logo]()
$225
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:40 pm
ORD
- TVC
Nonstop1h 19m
United Airlines
Thu 4/91:43 pm
TVC
- ORD
Nonstop1h 27m
United Airlines
Deal found 3/4![United Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:43 pm
ORD
- DTW
Nonstop1h 26m
Delta
Sat 4/253:50 pm
DTW
- ORD
Nonstop1h 28m
Delta
Deal found 3/4![Delta logo]()
$214
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:39 pm
PIA
- ORD
Nonstop1h 26m
United Airlines
Fri 6/1210:55 pm
ORD
- PIA
Nonstop1h 20m
United Airlines
Deal found 3/6![United Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:00 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Sun 4/128:30 pm
DTW
- MDW
1 stop3h 35m
Southwest
Deal found 3/6![Southwest logo]()
$243
This Delta deal was found by Cheapflights users on 3/2. 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.
Fri 5/87:00 pm
ORD
- TVC
1 stop3h 59m
Delta
Sun 5/106:26 am
TVC
- ORD
1 stop5h 01m
Delta
Deal found 3/2![Delta logo]()
$214
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:40 am
PIA
- ORD
Nonstop1h 13m
United Airlines
Fri 4/109:45 pm
ORD
- PIA
Nonstop1h 12m
United Airlines
Deal found 3/6![United Airlines logo]()
$199
This KAYAK deal was found by Cheapflights users on 3/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:15 pm
ORD
- GRR
Nonstop0h 59m
American Airlines
Wed 3/257:37 pm
GRR
- ORD
1 stop5h 29m
American Airlines
Deal found 3/2![American Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:50 pm
STL
- MDW
Nonstop1h 10m
Southwest
Sun 4/129:45 pm
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 3/4![Southwest logo]()
$244
This Delta deal was found by Cheapflights users on 3/2. 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.
Sat 5/96:36 pm
MDW
- TVC
1 stop3h 23m
Delta
Sun 5/106:26 am
TVC
- MDW
1 stop3h 17m
Delta
Deal found 3/2![Delta logo]()
$214
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:33 pm
PIA
- ORD
Nonstop1h 18m
United Airlines
Sat 6/278:49 am
ORD
- PIA
Nonstop1h 21m
United Airlines
Deal found 3/4![United Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:40 am
STL
- DTW
2 stops8h 20m
Southwest
Mon 4/203:35 pm
DTW
- STL
2 stops8h 40m
Southwest
Deal found 3/3![Southwest logo]()
$245
This Delta deal was found by Cheapflights users on 3/2. 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.
Wed 4/11:39 pm
STL
- ORD
1 stop4h 55m
Delta
Wed 4/87:10 am
ORD
- STL
2 stops9h 55m
Delta
Deal found 3/2![Delta logo]()
$216
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 am
MLI
- ORD
Nonstop1h 15m
American Airlines
Mon 3/2310:35 pm
ORD
- MLI
Nonstop1h 02m
American Airlines
Deal found 3/6![American Airlines logo]()
$357
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated March 7, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated March 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:45 pm
ORD
- DTW
1 stop6h 48m
Spirit Airlines
Wed 3/188:15 am
DTW
- ORD
1 stop12h 36m
Spirit Airlines
Deal found 3/4![Spirit Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Wed 3/1811:32 am
STL
- DTW
1 stop19h 35m
Multiple Airlines
Tue 3/246:05 am
DTW
- STL
1 stop5h 27m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$131
This Southwest deal was found by Cheapflights users on 3/2. 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.
Thu 3/267:00 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Mon 3/308:25 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 3/2![Southwest logo]()
$171
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:10 am
ORD
- GRR
Nonstop1h 05m
American Airlines
Mon 3/306:00 am
GRR
- ORD
Nonstop1h 14m
American Airlines
Deal found 3/6![American Airlines logo]()
$171
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:05 am
ORD
- GRR
Nonstop1h 02m
American Airlines
Wed 4/85:00 am
GRR
- ORD
Nonstop1h 11m
American Airlines
Deal found 3/4![American Airlines logo]()
$117
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:45 pm
ORD
- DTW
Nonstop1h 31m
United Airlines
Thu 4/99:00 am
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 3/3![United Airlines logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:31 pm
ORD
- DTW
1 stop15h 26m
Spirit Airlines
Wed 4/88:59 pm
DTW
- ORD
1 stop12h 02m
Spirit Airlines
Deal found 3/5![Spirit Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/711:21 am
STL
- DTW
1 stop19h 41m
Frontier
Tue 4/1412:33 pm
DTW
- STL
1 stop19h 17m
Frontier
Deal found 3/3![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:56 pm
MDW
- DTW
1 stop16h 06m
Frontier
Sun 4/1210:06 pm
DTW
- MDW
1 stop25h 13m
Frontier
Deal found 3/6![Frontier logo]()
$172
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:14 am
ORD
- GRR
Nonstop1h 10m
American Airlines
Thu 4/232:20 pm
GRR
- ORD
Nonstop1h 18m
American Airlines
Deal found 3/2![American Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Fri 4/178:23 pm
STL
- DTW
1 stop14h 22m
Frontier
Fri 4/2410:27 pm
DTW
- STL
1 stop22h 05m
Frontier
Deal found 3/3![Frontier logo]()
$162
This Expedia deal was found by Cheapflights users on 3/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:59 pm
STL
- DTW
1 stop15h 15m
Frontier
Sun 4/1910:27 pm
DTW
- STL
1 stop22h 05m
Frontier
Deal found 3/2![Frontier logo]()
$160
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 March 7, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated March 7, 2026.
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:50 pm
ORD
- GRR
Nonstop1h 09m
United Airlines
Deal found 3/3![United Airlines logo]()
$49
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:45 pm
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 3/3![Southwest logo]()
$49
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:30 am
STL
- ORD
Nonstop1h 29m
United Airlines
Deal found 3/3![United Airlines logo]()
$49
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:14 am
ORD
- GRR
Nonstop1h 10m
American Airlines
Deal found 3/3![American Airlines logo]()
$59
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:40 pm
STL
- MDW
1 stop3h 35m
Southwest
Deal found 3/3![Southwest logo]()
$59
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:35 am
STL
- ORD
1 stop6h 25m
Southwest
Deal found 3/3![Southwest logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Deal found 3/5![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Deal found 3/5![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:13 pm
STL
- MDW
1 stop23h 18m
Frontier
Deal found 3/6![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:21 am
STL
- DTW
1 stop19h 41m
Frontier
Deal found 3/6![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- MDW
1 stop23h 08m
Frontier
Deal found 3/6![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 3/3111:27 am
STL
- DTW
1 stop19h 35m
Frontier
Deal found 3/3![Frontier logo]()
$68
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 March 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (American Airlines) |
One-way from | $49 (United Airlines) |
Popular in | February |
Cheapest in | May |
Average price | $315 |
Good round-trip deal | $171 or less |
Good one-way deal | $48 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 March 7, 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
Quickest round-trip
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Thu 4/2
7:45 pm-9:54 pm
Nonstop1h 09m
Grand Rapids Gerald R. Ford Intl
Thu 4/9
5:03 pm-5:05 pm
Nonstop1h 02m
$171
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Thu 4/9
9:35 am-11:43 am
Nonstop1h 08m
Detroit Metropolitan Wayne County
Sat 4/11
5:40 pm-5:54 pm
Nonstop1h 14m
$171
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Sat 3/28
7:45 pm-10:10 pm
Nonstop1h 25m
Detroit Metropolitan Wayne County
Mon 3/30
7:50 pm-8:25 pm
Nonstop1h 35m
$171
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Tue 4/7
6:15 am-11:37 am
1 stop4h 22m
Grand Rapids Gerald R. Ford Intl
Wed 4/8
2:21 pm-4:43 pm
1 stop3h 22m
$177
PeoriaChicago
PIA - ORD
PIAORD
Greater Peoria
Sun 5/17
2:50 pm-4:02 pm
Nonstop1h 12m
Chicago O'Hare Intl
Sat 5/30
12:40 pm-1:52 pm
Nonstop1h 12m
$179
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Tue 4/7
6:30 am-7:46 am
Nonstop1h 16m
Chicago O'Hare Intl
Sun 4/12
1:00 pm-2:09 pm
Nonstop1h 09m
$179
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Thu 3/26
7:00 pm-9:10 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Mon 3/30
8:10 pm-11:00 pm
1 stop3h 50m
$181
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Sat 3/28
8:25 am-11:55 am
1 stop3h 30m
Chicago Midway
Mon 3/30
6:25 pm-12:05 am
1 stop5h 40m
$191
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Sat 4/11
7:50 pm-10:17 pm
Nonstop1h 27m
Detroit Metropolitan Wayne County
Mon 4/13
2:05 pm-2:40 pm
Nonstop1h 35m
$191
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Wed 5/20
6:21 am-1:01 pm
2 stops6h 40m
Chicago O'Hare Intl
Wed 5/27
2:59 pm-9:29 pm
1 stop6h 30m
$196
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
MDW-DTW
MLI-ORD
ORD-DTW
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-GRR
MDW-DTW
MLI-ORD
ORD-DTW
What is the cheapest month to book a flight from Illinois to Michigan?
Currently, October is the cheapest month in which you can book a flight from Illinois to Michigan (average of $78). Flying from Illinois to Michigan in March is currently the most expensive (average of $163). 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 March 7, 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 24% on airfare.
What is the cheapest day to fly from Illinois to Michigan?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Michigan. Price data was last updated on February 21, 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 at noon 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 March 7, 2026.
Read through reviews of airlines operating flights from Illinois to Michigan, such as Denver Air Connection, Southwest, and Delta. 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.
Denver Air Connection
Boarding
8.2
Overall
8.1
Entertainment
7.6
Crew
9.1
Comfort
8.6
Food
8.2
Denver Air Connection
Denver Air Connection
Boarding
8.2
Overall
8.1
Entertainment
7.6
Crew
9.1
Comfort
8.6
Food
8.2
Denver Air Connection
Boarding
8.2
Overall
8.1
Entertainment
7.6
Crew
9.1
Comfort
8.6
Food
8.2
Denver Air Connection
Boarding
8.2
Overall
8.1
Entertainment
7.6
Crew
9.1
Comfort
8.6
Food
8.2
Denver Air Connection
Boarding
8.2
Overall
8.1
Entertainment
7.6
Crew
9.1
Comfort
8.6
Food
8.2
Denver Air Connection
Boarding
8.2
Overall
8.1
Entertainment
7.6
Crew
9.1
Comfort
8.6
Food
8.2
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 March 7, 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 March 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$254 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$329 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$277 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$114 | Average$334 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$178 | FlexibilityNo cancel fee | On-time62% |