$40+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
mar. 5 — mar. 121
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Michigan
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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 febrero 3, 2026.
Explore the most affordable flight options available from Illinois to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
mar. 3/33:49 pm
STL
- ORD
1 stop24h 03m
Frontier
mar. 3/107:41 pm
ORD
- STL
1 stop14h 56m
Frontier
Deal found 2/3![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
lun. 3/92:09 pm
STL
- DTW
1 stop16h 58m
Frontier
lun. 3/169:02 am
DTW
- STL
1 stop5h 32m
Frontier
Deal found 2/2![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 3/61:09 pm
STL
- DTW
1 stop18h 38m
Frontier
lun. 3/99:02 am
DTW
- STL
1 stop5h 17m
Frontier
Deal found 2/2![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/1811:32 am
STL
- DTW
1 stop19h 35m
Frontier
mié. 3/259:02 am
DTW
- STL
1 stop26h 29m
Frontier
Deal found 2/1![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/142:51 pm
STL
- DTW
1 stop8h 04m
Frontier
mié. 2/182:04 pm
DTW
- STL
1 stop9h 23m
Frontier
Deal found 1/31![Frontier logo]()
$160
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/204:55 pm
ORD
- GRR
Nonstop0h 59m
American Airlines
sáb. 3/217:43 pm
GRR
- ORD
Nonstop1h 12m
American Airlines
Deal found 2/1![American Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/278:16 pm
ORD
- DTW
2 stops16h 14m
Multiple Airlines
lun. 3/210:37 am
DTW
- ORD
1 stop14h 00m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$161
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/26:51 pm
ORD
- DTW
2 stops17h 39m
Spirit Airlines
lun. 3/910:59 pm
DTW
- ORD
2 stops21h 12m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/186:05 am
MDW
- DTW
1 stop9h 07m
Frontier
mié. 3/259:02 am
DTW
- MDW
1 stop14h 17m
Frontier
Deal found 2/1![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 3/61:09 pm
STL
- MDW
1 stop6h 38m
Frontier
vie. 3/136:05 am
MDW
- STL
1 stop7h 29m
Frontier
Deal found 2/2![Frontier logo]()
$162
This United Airlines deal was found by Cheapflights users on 2/2. 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.
lun. 4/273:40 pm
ORD
- GRR
Nonstop1h 06m
United Airlines
mié. 4/297:30 am
GRR
- ORD
Nonstop1h 09m
United Airlines
Deal found 2/2![United Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 3/61:09 pm
STL
- ORD
1 stop9h 30m
Frontier
vie. 3/135:01 am
ORD
- STL
1 stop8h 33m
Frontier
Deal found 2/2![Frontier logo]()
$165
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 febrero 3, 2026.
Discover carefully curated flight deals from Illinois to Michigan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
lun. 3/92:09 pm
STL
- DTW
1 stop16h 58m
Frontier
lun. 3/169:02 am
DTW
- STL
1 stop5h 32m
Frontier
Deal found 2/2![Frontier logo]()
$138
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/204:55 pm
ORD
- GRR
Nonstop0h 59m
American Airlines
sáb. 3/217:43 pm
GRR
- ORD
Nonstop1h 12m
American Airlines
Deal found 2/1![American Airlines logo]()
$161
This CheapOair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/216:51 pm
ORD
- DTW
1 stop11h 58m
Spirit Airlines
lun. 2/2310:05 pm
DTW
- ORD
1 stop12h 17m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/88:24 pm
ORD
- TVC
Nonstop1h 21m
United Airlines
sáb. 5/92:05 pm
TVC
- ORD
Nonstop1h 30m
United Airlines
Deal found 2/1![United Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/176:00 am
MDW
- DTW
1 stop28h 07m
Multiple Airlines
jue. 2/1910:59 pm
DTW
- MDW
2 stops19h 54m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 2/2. 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.
jue. 2/267:41 pm
ORD
- TVC
1 stop3h 17m
Delta
dom. 3/16:00 am
TVC
- ORD
1 stop4h 41m
Delta
Deal found 2/2![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 2/2. 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.
sáb. 4/257:45 am
MDW
- DTW
1 stop6h 15m
Southwest
mar. 4/281:40 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 2/2![Southwest logo]()
$201
This Frontier deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/188:17 pm
STL
- DTW
1 stop10h 50m
Frontier
sáb. 2/216:25 pm
DTW
- STL
1 stop6h 34m
Frontier
Deal found 2/1![Frontier logo]()
$160
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/137:31 pm
ORD
- DTW
1 stop12h 15m
Spirit Airlines
dom. 3/156:00 am
DTW
- ORD
1 stop5h 20m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 2/2. 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.
jue. 2/269:45 pm
ORD
- TVC
Nonstop1h 13m
American Airlines
sáb. 2/287:37 pm
TVC
- ORD
Nonstop1h 33m
American Airlines
Deal found 2/2![American Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 2/2. 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.
mié. 6/39:32 pm
ORD
- TVC
Nonstop1h 27m
United Airlines
dom. 6/72:19 pm
TVC
- ORD
Nonstop1h 27m
United Airlines
Deal found 2/2![United Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mié. 2/187:00 am
MDW
- DTW
1 stop5h 30m
Multiple Airlines
mié. 2/186:02 pm
DTW
- MDW
1 stop18h 25m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$191
This American Airlines deal was found by Cheapflights users on 2/3. 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.
sáb. 5/94:53 pm
ORD
- TVC
Nonstop1h 23m
American Airlines
dom. 5/107:46 pm
TVC
- ORD
Nonstop1h 38m
American Airlines
Deal found 2/3![American Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/268:13 pm
ORD
- TVC
Nonstop1h 17m
United Airlines
dom. 3/17:00 am
TVC
- ORD
Nonstop1h 37m
United Airlines
Deal found 2/1![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/275:37 pm
ORD
- TVC
1 stop5h 21m
Delta
dom. 3/16:00 am
TVC
- ORD
1 stop4h 41m
Delta
Deal found 2/1![Delta logo]()
$199
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/142:51 pm
STL
- DTW
1 stop8h 04m
Frontier
mié. 2/182:04 pm
DTW
- STL
1 stop9h 23m
Frontier
Deal found 2/2![Frontier logo]()
$181
This Southwest deal was found by Cheapflights users on 2/2. 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.
mar. 4/76:45 pm
STL
- DTW
Nonstop1h 30m
Southwest
sáb. 4/117:20 am
DTW
- STL
Nonstop1h 40m
Southwest
Deal found 2/2![Southwest logo]()
$206
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/309:04 am
ORD
- DTW
1 stop14h 26m
Spirit Airlines
lun. 5/49:18 am
DTW
- ORD
1 stop6h 23m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$190
This American Airlines deal was found by Cheapflights users on 2/2. 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.
mié. 2/254:56 pm
ORD
- TVC
Nonstop1h 11m
American Airlines
sáb. 2/287:37 pm
TVC
- ORD
Nonstop1h 33m
American Airlines
Deal found 2/2![American Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/68:10 pm
MLI
- ORD
Nonstop1h 18m
United Airlines
lun. 5/1110:45 pm
ORD
- MLI
Nonstop1h 14m
United Airlines
Deal found 2/1![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/95:20 pm
ORD
- TVC
1 stop5h 39m
Delta
dom. 5/106:20 am
TVC
- ORD
1 stop5h 07m
Delta
Deal found 2/3![Delta logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
jue. 4/307:30 am
MDW
- DTW
2 stops13h 19m
Multiple Airlines
lun. 5/47:57 pm
DTW
- MDW
1 stop24h 34m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$204
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/15:01 am
ORD
- DTW
1 stop10h 13m
Frontier
lun. 5/44:14 pm
DTW
- ORD
1 stop7h 43m
Frontier
Deal found 2/2![Frontier logo]()
$195
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/59:45 pm
ORD
- TVC
Nonstop1h 13m
American Airlines
dom. 3/87:32 pm
TVC
- ORD
Nonstop1h 33m
American Airlines
Deal found 2/1![American Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 2/2. 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.
sáb. 6/66:29 pm
MLI
- ORD
Nonstop1h 21m
United Airlines
mié. 6/1010:45 pm
ORD
- MLI
Nonstop1h 14m
United Airlines
Deal found 2/2![United Airlines logo]()
$179
This CheapOair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/206:51 pm
ORD
- DTW
1 stop11h 58m
Spirit Airlines
dom. 2/2210:05 pm
DTW
- ORD
1 stop12h 17m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$198
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/105:40 pm
ORD
- TVC
1 stop4h 25m
Delta
sáb. 4/185:51 pm
TVC
- ORD
1 stop3h 49m
Delta
Deal found 2/1![Delta logo]()
$199
This Southwest deal was found by Cheapflights users on 2/2. 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.
mar. 3/310:05 am
MDW
- DTW
1 stop4h 00m
Southwest
mar. 3/108:45 am
DTW
- MDW
Nonstop1h 20m
Southwest
Deal found 2/2![Southwest logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/277:53 pm
MDW
- DTW
1 stop11h 39m
Multiple Airlines
dom. 3/110:59 pm
DTW
- MDW
2 stops21h 48m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/276:00 am
MLI
- ORD
Nonstop1h 20m
American Airlines
jue. 6/410:25 pm
ORD
- MLI
Nonstop1h 08m
American Airlines
Deal found 2/1![American Airlines logo]()
$179
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated febrero 3, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated febrero 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/142:51 pm
STL
- DTW
1 stop8h 04m
Frontier
mié. 2/182:04 pm
DTW
- STL
1 stop9h 23m
Frontier
Deal found 1/31![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/176:51 pm
ORD
- DTW
1 stop11h 58m
Spirit Airlines
jue. 2/195:09 am
DTW
- ORD
1 stop20h 31m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/278:16 pm
ORD
- DTW
2 stops16h 14m
Multiple Airlines
lun. 3/210:37 am
DTW
- ORD
1 stop14h 00m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$161
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/26:51 pm
ORD
- DTW
2 stops17h 39m
Spirit Airlines
lun. 3/910:59 pm
DTW
- ORD
2 stops21h 12m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
mar. 3/33:49 pm
STL
- ORD
1 stop24h 03m
Frontier
mar. 3/107:41 pm
ORD
- STL
1 stop14h 56m
Frontier
Deal found 2/3![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 3/61:09 pm
STL
- DTW
1 stop18h 38m
Frontier
lun. 3/99:02 am
DTW
- STL
1 stop5h 17m
Frontier
Deal found 2/2![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 3/61:09 pm
STL
- MDW
1 stop6h 38m
Frontier
vie. 3/136:05 am
MDW
- STL
1 stop7h 29m
Frontier
Deal found 2/2![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 3/61:09 pm
STL
- ORD
1 stop9h 30m
Frontier
vie. 3/135:01 am
ORD
- STL
1 stop8h 33m
Frontier
Deal found 2/2![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
lun. 3/92:09 pm
STL
- DTW
1 stop16h 58m
Frontier
lun. 3/169:02 am
DTW
- STL
1 stop5h 32m
Frontier
Deal found 2/2![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/1811:32 am
STL
- DTW
1 stop19h 35m
Frontier
mié. 3/259:02 am
DTW
- STL
1 stop26h 29m
Frontier
Deal found 2/1![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/186:05 am
MDW
- DTW
1 stop9h 07m
Frontier
mié. 3/259:02 am
DTW
- MDW
1 stop14h 17m
Frontier
Deal found 2/1![Frontier logo]()
$162
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/204:55 pm
ORD
- GRR
Nonstop0h 59m
American Airlines
sáb. 3/217:43 pm
GRR
- ORD
Nonstop1h 12m
American Airlines
Deal found 2/1![American Airlines logo]()
$161
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 febrero 3, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated febrero 3, 2026.
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/185:40 am
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 2/1![Southwest logo]()
$40
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/287:41 am
STL
- ORD
Nonstop1h 29m
United Airlines
Deal found 2/1![United Airlines logo]()
$46
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/2510:35 am
STL
- MDW
1 stop4h 10m
Southwest
Deal found 2/1![Southwest logo]()
$50
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/256:10 am
STL
- ORD
1 stop5h 20m
Southwest
Deal found 2/1![Southwest logo]()
$50
This Southwest deal was found by Cheapflights users on 2/3. 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.
mar. 4/78:45 pm
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 2/3![Southwest logo]()
$59
This United Airlines deal was found by Cheapflights users on 2/3. 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.
mar. 4/219:10 am
STL
- ORD
Nonstop1h 29m
United Airlines
Deal found 2/3![United Airlines logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/33:49 pm
STL
- ORD
1 stop24h 03m
Frontier
Deal found 2/1![Frontier logo]()
$60
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/148:10 am
ORD
- GRR
Nonstop1h 05m
American Airlines
Deal found 2/1![American Airlines logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mié. 3/48:17 pm
STL
- DTW
1 stop10h 50m
Frontier
Deal found 2/2![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/98:22 pm
STL
- MDW
1 stop22h 45m
Frontier
Deal found 2/1![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mié. 3/1111:32 am
STL
- DTW
1 stop19h 35m
Frontier
Deal found 2/2![Frontier logo]()
$68
This Southwest deal was found by Cheapflights users on 2/3. 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.
mar. 4/76:35 am
STL
- ORD
1 stop8h 25m
Southwest
Deal found 2/3![Southwest logo]()
$69
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 febrero 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Kiwi.com) |
One-way from | $40 (Southwest) |
Popular in | January |
Cheapest in | May |
Average price | $383 |
Good round-trip deal | $92 or less |
Good one-way deal | $65 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 febrero 3, 2026.
Use the filters below to find and compare flights from Illinois to Michigan that are best for you.
Fly from
Illinois
Fly to
Michigan
Route
Depart
Return
Price
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
lun. 3/9
2:09 pm-8:07 am
1 stop16h 58m
Detroit Metropolitan Wayne County
lun. 3/16
9:02 am-1:34 pm
1 stop5h 32m
$138
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
mié. 2/18
8:17 pm-8:07 am
1 stop10h 50m
Detroit Metropolitan Wayne County
sáb. 2/21
6:25 pm-11:59 pm
1 stop6h 34m
$160
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
vie. 3/20
4:55 pm-6:54 pm
Nonstop0h 59m
Grand Rapids Gerald R. Ford Intl
sáb. 3/21
7:43 pm-7:55 pm
Nonstop1h 12m
$161
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
sáb. 2/21
6:51 pm-7:49 am
1 stop11h 58m
Detroit Metropolitan Wayne County
lun. 2/23
10:05 pm-9:22 am
1 stop12h 17m
$171
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
vie. 3/13
7:31 pm-8:46 am
1 stop12h 15m
Detroit Metropolitan Wayne County
dom. 3/15
6:00 am-10:20 am
1 stop5h 20m
$178
ChicagoTraverse City
ORD - TVC
ORDTVC
Chicago O'Hare Intl
vie. 5/8
8:24 pm-10:45 pm
Nonstop1h 21m
Traverse City Cherry Capital
sáb. 5/9
2:05 pm-2:35 pm
Nonstop1h 30m
$179
ChicagoTraverse City
ORD - TVC
ORDTVC
Chicago O'Hare Intl
jue. 2/26
9:45 pm-11:58 pm
Nonstop1h 13m
Traverse City Cherry Capital
sáb. 2/28
7:37 pm-8:10 pm
Nonstop1h 33m
$179
ChicagoTraverse City
ORD - TVC
ORDTVC
Chicago O'Hare Intl
mié. 6/3
9:32 pm-11:59 pm
Nonstop1h 27m
Traverse City Cherry Capital
dom. 6/7
2:19 pm-2:46 pm
Nonstop1h 27m
$179
ChicagoTraverse City
ORD - TVC
ORDTVC
Chicago O'Hare Intl
sáb. 5/9
4:53 pm-7:16 pm
Nonstop1h 23m
Traverse City Cherry Capital
dom. 5/10
7:46 pm-8:24 pm
Nonstop1h 38m
$179
ChicagoTraverse City
ORD - TVC
ORDTVC
Chicago O'Hare Intl
jue. 2/26
8:13 pm-10:30 pm
Nonstop1h 17m
Traverse City Cherry Capital
dom. 3/1
7:00 am-7:37 am
Nonstop1h 37m
$179
Showing 1-10 of 60 results
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-MDW
STL-ORD
ORD-GRR
STL-DTW
ORD-DTW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Michigan
USIL-USMI
STL-MDW
STL-ORD
ORD-GRR
STL-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 February is currently the most expensive (average of $145). 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 febrero 3, 2026.
One of the essential ways to save on airfare from Illinois to Michigan is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening 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 January 31, 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 febrero 3, 2026.
The most flights from USIL to USMI are scheduled on a Tuesday (71 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (42 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 febrero 3, 2026.
Read through reviews of airlines operating flights from Illinois to Michigan, such as Southwest, Denver Air Connection, 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.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Denver Air Connection
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Alternative routes for Illinois to Michigan
See prices for flight routes from nearby airports that may be better suited for you.
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 febrero 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$252 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$323 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$340 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$97 | Average$277 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$144 | Average$178 | FlexibilityNo cancel fee | On-time62% |