$59+ Cheap flights from Illinois to Michigan
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
May 24 — May 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Michigan with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 April 24, 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 April 24, 2026.
This Expedia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
Fri 5/85:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Tue 5/126:50 am
DTW
- STL
1 stop11h 43m
Frontier
Deal found 4/19![Frontier logo]()
$160
This Expedia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
Fri 5/225:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Sun 5/247:55 am
DTW
- STL
1 stop12h 28m
Frontier
Deal found 4/19![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/286:55 am
ORD
- DTW
1 stop16h 43m
Frontier
Sat 5/302:40 pm
DTW
- ORD
1 stop6h 01m
Frontier
Deal found 4/23![Frontier logo]()
$168
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/197:45 pm
ORD
- GRR
Nonstop1h 10m
United Airlines
Tue 5/2610:00 am
GRR
- ORD
Nonstop1h 17m
United Airlines
Deal found 4/20![United Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 6/41:50 pm
ORD
- DTW
1 stop9h 48m
Frontier
Tue 6/96:54 pm
DTW
- ORD
1 stop14h 09m
Frontier
Deal found 4/24![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/146:00 am
MDW
- DTW
1 stop6h 04m
Frontier
Mon 5/186:05 pm
DTW
- MDW
1 stop18h 04m
Frontier
Deal found 4/21![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/291:50 pm
ORD
- DTW
1 stop9h 49m
Frontier
Mon 6/16:05 pm
DTW
- ORD
1 stop14h 50m
Frontier
Deal found 4/22![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/26:00 am
MDW
- DTW
1 stop6h 04m
Frontier
Mon 6/86:05 pm
DTW
- MDW
1 stop18h 07m
Frontier
Deal found 4/21![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/131:59 pm
ORD
- DTW
1 stop22h 05m
Frontier
Sat 5/162:40 pm
DTW
- ORD
1 stop6h 11m
Frontier
Deal found 4/24![Frontier logo]()
$174
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/122:00 pm
ORD
- DTW
Nonstop1h 26m
Delta
Wed 5/137:45 pm
DTW
- ORD
Nonstop1h 29m
Delta
Deal found 4/21![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/199:22 am
MDW
- DTW
Nonstop1h 13m
Delta
Tue 5/266:19 pm
DTW
- MDW
Nonstop1h 14m
Delta
Deal found 4/21![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 9/1612:50 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Wed 9/2312:55 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 4/20![Southwest logo]()
$178
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 April 24, 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 April 24, 2026.
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/262:00 pm
ORD
- DTW
Nonstop1h 26m
Delta
Thu 5/288:15 am
DTW
- ORD
Nonstop1h 30m
Delta
Deal found 4/23![Delta logo]()
$184
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 6/22:40 pm
ORD
- DTW
1 stop5h 55m
Southwest
Wed 6/36:10 am
DTW
- ORD
1 stop7h 40m
Southwest
Deal found 4/20![Southwest logo]()
$203
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:00 am
ORD
- DTW
Nonstop1h 33m
United Airlines
Wed 8/125:50 am
DTW
- ORD
Nonstop1h 28m
United Airlines
Deal found 4/23![United Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/302:48 pm
ORD
- FNT
Nonstop1h 21m
American Airlines
Thu 6/45:30 am
FNT
- ORD
Nonstop1h 23m
American Airlines
Deal found 4/23![American Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 5/218:30 am
ORD
- DTW
1 stop8h 42m
Multiple Airlines
Sun 5/249:16 am
DTW
- ORD
1 stop10h 22m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/169:22 am
MDW
- DTW
Nonstop1h 13m
Delta
Mon 5/1812:27 pm
DTW
- MDW
Nonstop1h 15m
Delta
Deal found 4/24![Delta logo]()
$191
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:55 am
ORD
- DTW
Nonstop1h 24m
Delta
Sat 9/510:00 am
DTW
- ORD
Nonstop1h 24m
Delta
Deal found 4/21![Delta logo]()
$202
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 5/287:05 pm
MDW
- DTW
Nonstop1h 05m
Southwest
Mon 6/11:00 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 4/19![Southwest logo]()
$229
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:45 pm
ORD
- GRR
Nonstop1h 12m
United Airlines
Wed 6/107:15 am
GRR
- ORD
Nonstop1h 13m
United Airlines
Deal found 4/23![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/292:48 pm
ORD
- FNT
Nonstop1h 21m
American Airlines
Sun 5/315:30 am
FNT
- ORD
Nonstop1h 26m
American Airlines
Deal found 4/21![American Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/1311:09 am
ORD
- DTW
Nonstop1h 21m
Delta
Sat 5/164:00 pm
DTW
- ORD
Nonstop1h 29m
Delta
Deal found 4/21![Delta logo]()
$202
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/28:15 am
MDW
- DTW
1 stop3h 45m
Southwest
Fri 6/58:30 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 4/23![Southwest logo]()
$232
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 7/109:15 pm
ORD
- FNT
Nonstop1h 17m
American Airlines
Sun 7/125:30 am
FNT
- ORD
Nonstop1h 19m
American Airlines
Deal found 4/20![American Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/2210:51 am
ORD
- GRR
Nonstop1h 13m
United Airlines
Mon 5/256:25 pm
GRR
- ORD
Nonstop1h 15m
United Airlines
Deal found 4/22![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/161:22 pm
MDW
- DTW
Nonstop1h 13m
Delta
Tue 5/198:25 am
DTW
- MDW
Nonstop1h 18m
Delta
Deal found 4/21![Delta logo]()
$202
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:40 pm
MDW
- DTW
1 stop3h 30m
Southwest
Tue 6/28:15 am
DTW
- MDW
Nonstop1h 15m
Southwest
Deal found 4/22![Southwest logo]()
$233
This American Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 5/212:48 pm
ORD
- FNT
Nonstop1h 21m
American Airlines
Sat 5/235:39 pm
FNT
- ORD
Nonstop1h 40m
American Airlines
Deal found 4/19![American Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:50 am
ORD
- DTW
Nonstop1h 37m
United Airlines
Fri 5/294:10 pm
DTW
- ORD
Nonstop1h 37m
United Airlines
Deal found 4/23![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:36 pm
MDW
- DTW
Nonstop1h 09m
Delta
Wed 5/136:19 pm
DTW
- MDW
Nonstop1h 14m
Delta
Deal found 4/23![Delta logo]()
$202
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/149:09 pm
ORD
- FNT
Nonstop1h 17m
American Airlines
Sat 5/165:36 am
FNT
- ORD
Nonstop1h 24m
American Airlines
Deal found 4/22![American Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/278:45 pm
STL
- MDW
Nonstop1h 05m
Southwest
Sat 5/3011:20 am
MDW
- STL
1 stop5h 00m
Southwest
Deal found 4/21![Southwest logo]()
$246
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/1210:30 am
ORD
- DTW
Nonstop1h 30m
United Airlines
Wed 5/136:00 am
DTW
- ORD
Nonstop1h 35m
United Airlines
Deal found 4/20![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/269:25 am
ORD
- GRR
1 stop3h 15m
Delta
Thu 5/282:21 pm
GRR
- ORD
1 stop4h 44m
Delta
Deal found 4/21![Delta logo]()
$206
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 6/23:45 pm
STL
- MDW
Nonstop1h 10m
Southwest
Fri 6/59:35 pm
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 4/24![Southwest logo]()
$249
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/197:00 am
ORD
- GRR
1 stop3h 18m
Delta
Tue 5/195:45 pm
GRR
- ORD
1 stop3h 29m
Delta
Deal found 4/23![Delta logo]()
$206
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/165:11 pm
ORD
- GRR
Nonstop1h 14m
American Airlines
Wed 7/222:30 pm
GRR
- ORD
Nonstop1h 23m
American Airlines
Deal found 4/21![American Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/512:40 pm
ORD
- FNT
Nonstop1h 19m
United Airlines
Sat 5/93:34 pm
FNT
- ORD
Nonstop1h 36m
United Airlines
Deal found 4/20![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/237:00 am
ORD
- GRR
1 stop3h 18m
Delta
Mon 5/258:16 am
GRR
- ORD
1 stop5h 45m
Delta
Deal found 4/24![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:40 am
STL
- MDW
Nonstop1h 05m
Southwest
Tue 6/92:35 pm
MDW
- STL
Nonstop1h 10m
Southwest
Deal found 4/20![Southwest logo]()
$261
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/84:40 pm
ORD
- FNT
Nonstop1h 23m
American Airlines
Tue 5/1212:59 pm
FNT
- ORD
Nonstop1h 34m
American Airlines
Deal found 4/23![American Airlines logo]()
$269
Last-minute flights from Illinois to MichiganDiscover last-minute flight deals from Illinois to Michigan. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Michigan. Data last updated April 24, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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.
Wed 5/69:00 am
ORD
- DTW
1 stop7h 20m
Frontier
Thu 5/71:59 pm
DTW
- ORD
1 stop6h 52m
Frontier
Deal found 4/21![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
Fri 5/85:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Tue 5/126:50 am
DTW
- STL
1 stop11h 43m
Frontier
Deal found 4/19![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Fri 5/84:19 pm
STL
- ORD
1 stop6h 54m
Frontier
Mon 5/115:30 pm
ORD
- STL
1 stop6h 51m
Frontier
Deal found 4/22![Frontier logo]()
$180
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/122:00 pm
ORD
- DTW
Nonstop1h 26m
Delta
Wed 5/137:45 pm
DTW
- ORD
Nonstop1h 29m
Delta
Deal found 4/21![Delta logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/131:59 pm
ORD
- DTW
1 stop22h 05m
Frontier
Sat 5/162:40 pm
DTW
- ORD
1 stop6h 11m
Frontier
Deal found 4/24![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/146:00 am
MDW
- DTW
1 stop6h 04m
Frontier
Mon 5/186:05 pm
DTW
- MDW
1 stop18h 04m
Frontier
Deal found 4/21![Frontier logo]()
$170
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/197:45 pm
ORD
- GRR
Nonstop1h 10m
United Airlines
Tue 5/2610:00 am
GRR
- ORD
Nonstop1h 17m
United Airlines
Deal found 4/20![United Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/199:22 am
MDW
- DTW
Nonstop1h 13m
Delta
Tue 5/266:19 pm
DTW
- MDW
Nonstop1h 14m
Delta
Deal found 4/21![Delta logo]()
$177
This Expedia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
Fri 5/225:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Sun 5/247:55 am
DTW
- STL
1 stop12h 28m
Frontier
Deal found 4/19![Frontier logo]()
$165
This Frontier deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:04 pm
MDW
- DTW
1 stop11h 35m
Frontier
Thu 5/281:59 pm
DTW
- MDW
1 stop9h 03m
Frontier
Deal found 4/24![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/286:55 am
ORD
- DTW
1 stop16h 43m
Frontier
Sat 5/302:40 pm
DTW
- ORD
1 stop6h 01m
Frontier
Deal found 4/23![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/291:50 pm
ORD
- DTW
1 stop9h 49m
Frontier
Mon 6/16:05 pm
DTW
- ORD
1 stop14h 50m
Frontier
Deal found 4/22![Frontier logo]()
$173
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 April 24, 2026.
Search for one-way flight options from Illinois to Michigan. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/207:35 am
STL
- ORD
1 stop5h 15m
Southwest
Deal found 4/20![Southwest logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/1012:04 pm
MDW
- DTW
1 stop11h 40m
Frontier
Deal found 4/23![Frontier logo]()
$68
This Booking.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:55 am
ORD
- DTW
1 stop5h 47m
Frontier
Deal found 4/22![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Deal found 4/20![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/146:00 am
MDW
- DTW
1 stop6h 04m
Frontier
Deal found 4/22![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
Fri 5/154:19 pm
STL
- ORD
1 stop6h 54m
Frontier
Deal found 4/19![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/206:00 am
MDW
- DTW
1 stop10h 20m
Frontier
Deal found 4/21![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/36:55 am
ORD
- DTW
1 stop9h 18m
Frontier
Deal found 4/21![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/912:27 pm
MDW
- DTW
1 stop27h 26m
Frontier
Deal found 4/23![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 6/26:00 am
MDW
- DTW
1 stop6h 04m
Frontier
Deal found 4/20![Frontier logo]()
$74
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:15 am
ORD
- DTW
1 stop9h 05m
Frontier
Deal found 4/21![Frontier logo]()
$76
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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.
Tue 5/121:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Deal found 4/20![Frontier logo]()
$77
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Frontier) |
One-way from | $59 (Southwest) |
Popular in | March |
Cheapest in | May |
Average price | $383 |
Good round-trip deal | $84 or less |
Good one-way deal | $39 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 April 24, 2026.
Use the filters below to find and compare flights from Illinois to Michigan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 5/26
2:00 pm-4:26 pm
Nonstop1h 26m
Detroit Metropolitan Wayne County
Thu 5/28
8:15 am-8:45 am
Nonstop1h 30m
$184
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Sat 5/16
9:22 am-11:35 am
Nonstop1h 13m
Detroit Metropolitan Wayne County
Mon 5/18
12:27 pm-12:42 pm
Nonstop1h 15m
$191
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Wed 9/2
8:55 am-11:19 am
Nonstop1h 24m
Detroit Metropolitan Wayne County
Sat 9/5
10:00 am-10:24 am
Nonstop1h 24m
$202
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Wed 5/13
11:09 am-1:30 pm
Nonstop1h 21m
Detroit Metropolitan Wayne County
Sat 5/16
4:00 pm-4:29 pm
Nonstop1h 29m
$202
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Sat 5/16
1:22 pm-3:35 pm
Nonstop1h 13m
Detroit Metropolitan Wayne County
Tue 5/19
8:25 am-8:43 am
Nonstop1h 18m
$202
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Mon 5/11
6:36 pm-8:45 pm
Nonstop1h 09m
Detroit Metropolitan Wayne County
Wed 5/13
6:19 pm-6:33 pm
Nonstop1h 14m
$202
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 6/2
2:40 pm-9:35 pm
1 stop5h 55m
Detroit Metropolitan Wayne County
Wed 6/3
6:10 am-12:50 pm
1 stop7h 40m
$203
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Tue 5/26
9:25 am-1:40 pm
1 stop3h 15m
Grand Rapids Gerald R. Ford Intl
Thu 5/28
2:21 pm-6:05 pm
1 stop4h 44m
$206
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Tue 5/19
7:00 am-11:18 am
1 stop3h 18m
Grand Rapids Gerald R. Ford Intl
Tue 5/19
5:45 pm-8:14 pm
1 stop3h 29m
$206
ChicagoGrand Rapids
ORD - GRR
ORDGRR
Chicago O'Hare Intl
Sat 5/23
7:00 am-11:18 am
1 stop3h 18m
Grand Rapids Gerald R. Ford Intl
Mon 5/25
8:16 am-1:01 pm
1 stop5h 45m
$211
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Michigan
Have a flexible travel schedule? Discover the best time to fly to Michigan from Illinois with our price prediction graph.
ORD-DTW
ORD-FNT
MDW-DTW
ORD-GRR
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-DTW
ORD-FNT
MDW-DTW
ORD-GRR
How far ahead should I book a flight from Illinois to Michigan?
The best time to book flights from Illinois to Michigan is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Illinois to Michigan?
Currently, May is the cheapest month in which you can book a flight from Illinois to Michigan (average of $48). Flying from Illinois to Michigan in February is currently the most expensive (average of $91). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to MI?
Find hourly flight availability from Illinois to Michigan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 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 23% 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 April 18, 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 April 24, 2026.
The most flights from USIL to USMI are scheduled on a Friday (93 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (60 on average).
How much does it cost to fly round-trip from Illinois to Michigan?
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 April 24, 2026.
Read through reviews of airlines operating flights from Illinois to Michigan, such as Southwest,Delta, andContour. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 April 24, 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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$329 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$319 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$313 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$133 | Average$341 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$178 | FlexibilityNo cancel fee | On-time62% |