$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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Apr 9 — Apr 161
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 10, 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 10, 2026.
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 Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Thu 4/238:06 pm
STL
- DTW
1 stop13h 52m
Frontier
Sun 4/2610:27 pm
DTW
- STL
1 stop22h 05m
Frontier
Deal found 3/9![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/76:01 pm
ORD
- DTW
2 stops13h 01m
Multiple Airlines
Tue 4/146:05 am
DTW
- ORD
1 stop11h 55m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$170
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 4/210:45 pm
ORD
- DTW
Nonstop1h 31m
United Airlines
Thu 4/99:00 am
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 3/5![United Airlines logo]()
$171
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:50 pm
MDW
- DTW
Nonstop1h 05m
Southwest
Mon 3/308:25 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 3/5![Southwest logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Wed 4/110:55 am
ORD
- DTW
1 stop12h 04m
Spirit Airlines
Wed 4/88:59 pm
DTW
- ORD
1 stop12h 02m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$172
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 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 3/6. 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.
Sat 5/26:00 am
MDW
- DTW
1 stop9h 14m
Frontier
Sun 5/35:09 pm
DTW
- MDW
1 stop27h 22m
Frontier
Deal found 3/6![Frontier logo]()
$173
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:11 pm
ORD
- DTW
Nonstop1h 34m
American Airlines
Thu 4/96:00 am
DTW
- ORD
1 stop7h 36m
American Airlines
Deal found 3/5![American Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/96:29 pm
STL
- DTW
1 stop12h 33m
Frontier
Tue 4/147:04 pm
DTW
- STL
1 stop12h 46m
Frontier
Deal found 3/8![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/157:15 pm
ORD
- DTW
2 stops22h 38m
Multiple Airlines
Fri 5/18:49 pm
DTW
- ORD
1 stop15h 44m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$175
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 10, 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 10, 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 4/210:45 pm
ORD
- DTW
Nonstop1h 31m
United Airlines
Thu 4/99:00 am
DTW
- ORD
Nonstop1h 29m
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 3/5. 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 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 3/5![Southwest logo]()
$171
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:41 pm
MLI
- ORD
Nonstop1h 24m
American Airlines
Sun 4/194:54 pm
ORD
- MLI
Nonstop1h 13m
American Airlines
Deal found 3/5![American Airlines logo]()
$199
This Frontier deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Thu 5/2810:55 am
STL
- DTW
1 stop12h 40m
Frontier
Sun 5/319:23 pm
DTW
- STL
1 stop11h 24m
Frontier
Deal found 3/9![Frontier logo]()
$256
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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:05 pm
MDW
- DTW
Nonstop1h 05m
Southwest
Sat 4/114:05 pm
DTW
- MDW
1 stop5h 35m
Southwest
Deal found 3/5![Southwest logo]()
$181
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/61:30 pm
MLI
- ORD
Nonstop1h 14m
American Airlines
Mon 4/1311:10 am
ORD
- MLI
Nonstop1h 11m
American Airlines
Deal found 3/9![American Airlines logo]()
$199
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 5/272:00 pm
ORD
- STL
2 stops9h 21m
Delta
Deal found 3/6![Delta logo]()
$202
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.
Mon 6/229:40 am
PIA
- FNT
1 stop11h 01m
Allegiant Air
Fri 6/263:14 pm
FNT
- PIA
1 stop20h 56m
Allegiant Air
Deal found 3/5![Allegiant Air logo]()
$410
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:15 am
MLI
- ORD
Nonstop1h 18m
American Airlines
Mon 4/2711:10 am
ORD
- MLI
Nonstop1h 11m
American Airlines
Deal found 3/5![American Airlines logo]()
$199
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/189:16 am
STL
- ORD
Nonstop1h 29m
United Airlines
Tue 4/217:00 am
ORD
- STL
Nonstop1h 25m
United Airlines
Deal found 3/9![United Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/181:29 pm
ORD
- DTW
Nonstop1h 24m
Delta
Sat 4/188:10 pm
DTW
- ORD
Nonstop1h 30m
Delta
Deal found 3/8![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:40 pm
STL
- DTW
Nonstop1h 30m
Southwest
Mon 6/88:15 pm
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 3/8![Southwest logo]()
$215
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.
Wed 4/810:50 am
ORD
- DTW
Nonstop1h 30m
United Airlines
Sun 4/124:18 pm
DTW
- ORD
Nonstop1h 35m
United Airlines
Deal found 3/5![United Airlines logo]()
$206
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 Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 3/287:40 pm
STL
- DTW
Nonstop1h 30m
Southwest
Tue 3/317:15 pm
DTW
- STL
Nonstop1h 40m
Southwest
Deal found 3/7![Southwest logo]()
$215
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.
Sat 5/96:36 pm
MDW
- TVC
1 stop3h 23m
Delta
Sun 5/106:26 am
TVC
- MDW
1 stop3h 17m
Delta
Deal found 3/5![Delta logo]()
$219
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:45 am
STL
- ORD
1 stop5h 25m
Southwest
Wed 4/811:55 am
ORD
- STL
1 stop6h 00m
Southwest
Deal found 3/5![Southwest logo]()
$218
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.
Fri 5/86:36 pm
MDW
- TVC
1 stop4h 23m
Delta
Sun 5/106:26 am
TVC
- MDW
1 stop3h 17m
Delta
Deal found 3/5![Delta logo]()
$219
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 3/285:45 pm
ORD
- DTW
Nonstop1h 25m
United Airlines
Wed 4/18:10 pm
DTW
- ORD
Nonstop1h 35m
United Airlines
Deal found 3/7![United Airlines logo]()
$233
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.
Fri 5/87:00 pm
ORD
- TVC
1 stop3h 59m
Delta
Sun 5/106:26 am
TVC
- ORD
1 stop5h 01m
Delta
Deal found 3/5![Delta logo]()
$219
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 3/287:40 pm
STL
- DTW
Nonstop1h 30m
Southwest
Mon 3/308:25 pm
DTW
- STL
1 stop4h 05m
Southwest
Deal found 3/7![Southwest logo]()
$225
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 4/117:50 pm
ORD
- DTW
Nonstop1h 27m
United Airlines
Sun 4/122:05 pm
DTW
- ORD
Nonstop1h 35m
United Airlines
Deal found 3/5![United Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/153:55 pm
STL
- DTW
1 stop3h 20m
Southwest
Sat 4/183:40 pm
DTW
- STL
Nonstop1h 40m
Southwest
Deal found 3/7![Southwest logo]()
$225
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/71:57 pm
ORD
- DTW
Nonstop1h 22m
Delta
Tue 4/143:50 pm
DTW
- ORD
Nonstop1h 28m
Delta
Deal found 3/9![Delta logo]()
$241
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.
Fri 3/277:16 am
ORD
- DTW
Nonstop1h 31m
United Airlines
Mon 3/309:00 am
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 3/5![United Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/1311:50 am
STL
- DTW
Nonstop1h 30m
Southwest
Mon 4/138:15 pm
DTW
- STL
Nonstop1h 40m
Southwest
Deal found 3/9![Southwest logo]()
$228
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 4/99:50 am
ORD
- DTW
Nonstop1h 19m
Delta
Sun 4/128:35 am
DTW
- ORD
Nonstop1h 35m
Delta
Deal found 3/5![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/15:40 am
STL
- DTW
1 stop3h 25m
Southwest
Sat 4/48:15 pm
DTW
- STL
1 stop3h 40m
Southwest
Deal found 3/7![Southwest logo]()
$235
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated March 10, 2026 and is based on user searches.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:50 pm
MDW
- DTW
Nonstop1h 05m
Southwest
Mon 3/308:25 pm
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 3/5![Southwest logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Wed 4/110:55 am
ORD
- DTW
1 stop12h 04m
Spirit Airlines
Wed 4/88:59 pm
DTW
- ORD
1 stop12h 02m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$172
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 4/210:45 pm
ORD
- DTW
Nonstop1h 31m
United Airlines
Thu 4/99:00 am
DTW
- ORD
Nonstop1h 29m
United Airlines
Deal found 3/5![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 3/8. Clicking the “Pick Dates” 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 4/76:01 pm
ORD
- DTW
2 stops13h 01m
Multiple Airlines
Tue 4/146:05 am
DTW
- ORD
1 stop11h 55m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$170
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:11 pm
ORD
- DTW
Nonstop1h 34m
American Airlines
Thu 4/96:00 am
DTW
- ORD
1 stop7h 36m
American Airlines
Deal found 3/5![American Airlines logo]()
$174
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 Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/96:29 pm
STL
- DTW
1 stop12h 33m
Frontier
Tue 4/147:04 pm
DTW
- STL
1 stop12h 46m
Frontier
Deal found 3/8![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/157:15 pm
ORD
- DTW
2 stops22h 38m
Multiple Airlines
Fri 5/18:49 pm
DTW
- ORD
1 stop15h 44m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/227:15 pm
ORD
- DTW
2 stops22h 31m
Multiple Airlines
Wed 4/297:04 pm
DTW
- ORD
1 stop16h 19m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$176
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Thu 4/238:06 pm
STL
- DTW
1 stop13h 52m
Frontier
Sun 4/2610:27 pm
DTW
- STL
1 stop22h 05m
Frontier
Deal found 3/9![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/247:15 pm
ORD
- DTW
2 stops19h 59m
Multiple Airlines
Tue 4/287:04 pm
DTW
- ORD
1 stop15h 58m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$177
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 10, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/143:55 pm
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 3/9![Southwest logo]()
$49
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/76:55 pm
STL
- ORD
Nonstop1h 29m
United Airlines
Deal found 3/9![United Airlines logo]()
$49
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/2911:30 am
STL
- MDW
1 stop3h 35m
Southwest
Deal found 3/9![Southwest logo]()
$59
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 5/137:35 am
STL
- ORD
1 stop5h 15m
Southwest
Deal found 3/9![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 American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/319:21 am
STL
- ORD
Nonstop1h 28m
American Airlines
Deal found 3/9![American Airlines 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 3/10. 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.
Wed 4/298:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Deal found 3/10![Frontier logo]()
$69
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 5/207:45 am
STL
- ORD
Nonstop1h 27m
United Airlines
Deal found 3/9![United Airlines logo]()
$70
Find flight deals from Illinois to Michigan
Keep the following information in mind while searching for Illinois to Michigan flight deals. Data was last updated March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $149 (Kiwi.com) |
One-way from | $49 (Southwest) |
Popular in | February |
Cheapest in | May |
Average price | $315 |
Good round-trip deal | $98 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 10, 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
Thu 4/2
10:45 pm-1:16 am
Nonstop1h 31m
Detroit Metropolitan Wayne County
Thu 4/9
9:00 am-9:29 am
Nonstop1h 29m
$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
MDW - DTW
MDWDTW
Chicago Midway
Thu 3/26
7:00 pm-9:10 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Mon 3/30
8:25 pm-8:40 pm
Nonstop1h 15m
$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
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Thu 4/9
7:05 pm-9:10 pm
Nonstop1h 05m
Detroit Metropolitan Wayne County
Sat 4/11
4:05 pm-8:40 pm
1 stop5h 35m
$181
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Fri 4/17
6:41 pm-8:05 pm
Nonstop1h 24m
Chicago O'Hare Intl
Sun 4/19
4:54 pm-6:07 pm
Nonstop1h 13m
$199
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Mon 4/6
1:30 pm-2:44 pm
Nonstop1h 14m
Chicago O'Hare Intl
Mon 4/13
11:10 am-12:21 pm
Nonstop1h 11m
$199
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Thu 4/16
5:15 am-6:33 am
Nonstop1h 18m
Chicago O'Hare Intl
Mon 4/27
11:10 am-12:21 pm
Nonstop1h 11m
$199
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
2:00 pm-11:21 pm
2 stops9h 21m
$202
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Sat 4/18
9:16 am-10:45 am
Nonstop1h 29m
Chicago O'Hare Intl
Tue 4/21
7:00 am-8:25 am
Nonstop1h 25m
$204
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.
STL-DTW
ORD-DTW
MDW-DTW
STL-MDW
STL-ORD
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
STL-DTW
ORD-DTW
MDW-DTW
STL-MDW
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 10, 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.
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 March 10, 2026.
The most flights from USIL to USMI are scheduled on a Monday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).
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 10, 2026.
Read through reviews of airlines operating flights from Illinois to Michigan, such as Denver Air Connection,Southwest, andDelta. 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
Comfort
8.6
Food
8.2
Entertainment
7.6
Boarding
8.2
Crew
9.1
Overall
8.1
Denver Air Connection
Denver Air Connection
Comfort
8.6
Food
8.2
Entertainment
7.6
Boarding
8.2
Crew
9.1
Overall
8.1
Denver Air Connection
Comfort
8.6
Food
8.2
Entertainment
7.6
Boarding
8.2
Crew
9.1
Overall
8.1
Denver Air Connection
Comfort
8.6
Food
8.2
Entertainment
7.6
Boarding
8.2
Crew
9.1
Overall
8.1
Denver Air Connection
Comfort
8.6
Food
8.2
Entertainment
7.6
Boarding
8.2
Crew
9.1
Overall
8.1
Denver Air Connection
Comfort
8.6
Food
8.2
Entertainment
7.6
Boarding
8.2
Crew
9.1
Overall
8.1
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 March 10, 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$254 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$319 | 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% |