$59+ Cheap flights from St. Louis (STL) 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Aug 13 — Aug 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis 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 St. Louis to Michigan
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to MichiganExplore the most affordable flight options available from St. Louis to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.
Explore the most affordable flight options available from St. Louis to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sat 8/14:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Thu 8/66:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 7/10![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Thu 8/206:17 pm
STL
- DTW
1 stop5h 47m
Frontier
Mon 8/246:00 am
DTW
- STL
1 stop12h 22m
Frontier
Deal found 7/9![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 7/314:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Mon 8/105:35 pm
DTW
- STL
1 stop25h 02m
Frontier
Deal found 7/10![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/34:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Fri 8/75:35 pm
DTW
- STL
1 stop16h 22m
Frontier
Deal found 7/10![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/34:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Sun 8/96:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 7/10![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sat 8/14:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Tue 8/46:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 7/10![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:35 am
STL
- DTW
1 stop13h 07m
Frontier
Mon 9/143:34 pm
DTW
- STL
1 stop19h 06m
Frontier
Deal found 7/12![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/34:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Tue 8/112:56 pm
DTW
- STL
1 stop19h 01m
Frontier
Deal found 7/10![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:34 pm
STL
- DTW
1 stop20h 54m
Frontier
Sun 8/96:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 7/13![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:34 pm
STL
- DTW
1 stop20h 54m
Frontier
Tue 8/46:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 7/11![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 8/74:57 pm
STL
- ORD
1 stop15h 05m
Frontier
Sun 8/97:05 am
ORD
- STL
1 stop25h 52m
Frontier
Deal found 7/10![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Thu 8/66:34 pm
STL
- ORD
1 stop13h 28m
Frontier
Mon 8/109:57 pm
ORD
- STL
1 stop21h 26m
Frontier
Deal found 7/10![Frontier logo]()
$185
Best flights from St. Louis to MichiganDiscover carefully curated flight deals from St. Louis to Michigan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2026.
Discover carefully curated flight deals from St. Louis to Michigan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2026.
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:50 pm
STL
- MDW
1 stop3h 35m
Southwest
Wed 10/73:00 pm
MDW
- STL
1 stop5h 00m
Southwest
Deal found 7/14![Southwest logo]()
$207
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 am
STL
- ORD
Nonstop1h 30m
United Airlines
Mon 8/1010:00 pm
ORD
- STL
Nonstop1h 29m
United Airlines
Deal found 7/13![United Airlines logo]()
$226
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:40 am
STL
- DTW
Nonstop1h 33m
Delta
Mon 10/195:40 pm
DTW
- STL
1 stop7h 08m
Delta
Deal found 7/13![Delta logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:34 pm
STL
- GRR
2 stops22h 38m
Multiple Airlines
Mon 8/173:00 pm
GRR
- STL
1 stop9h 59m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 7/9. 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 8/2410:10 am
STL
- DTW
Nonstop1h 30m
Southwest
Wed 8/263:35 pm
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 7/9![Southwest logo]()
$222
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:20 am
STL
- ORD
Nonstop1h 32m
United Airlines
Mon 8/1010:00 pm
ORD
- STL
Nonstop1h 29m
United Airlines
Deal found 7/13![United Airlines logo]()
$226
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:20 pm
STL
- DTW
Nonstop1h 30m
Southwest
Wed 8/197:05 pm
DTW
- STL
1 stop3h 35m
Southwest
Deal found 7/13![Southwest logo]()
$227
This American Airlines deal was found by Cheapflights users on 7/9. 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 7/219:25 am
STL
- TVC
2 stops8h 58m
American Airlines
Sat 8/17:55 pm
TVC
- STL
1 stop5h 20m
American Airlines
Deal found 7/9![American Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:10 pm
STL
- MDW
1 stop4h 23m
Delta
Fri 8/281:25 pm
MDW
- STL
1 stop4h 13m
Delta
Deal found 7/13![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:20 am
STL
- ORD
Nonstop1h 32m
United Airlines
Sun 8/92:20 pm
ORD
- STL
Nonstop1h 26m
United Airlines
Deal found 7/11![United Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:50 pm
STL
- MDW
Nonstop1h 05m
Southwest
Sun 9/65:45 pm
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 7/13![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:30 am
STL
- MDW
1 stop6h 09m
Delta
Wed 8/129:24 am
MDW
- STL
1 stop3h 50m
Delta
Deal found 7/13![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:05 am
STL
- MDW
Nonstop1h 05m
Southwest
Fri 9/43:10 pm
MDW
- STL
Nonstop1h 10m
Southwest
Deal found 7/13![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:33 am
STL
- ORD
1 stop5h 44m
Delta
Wed 8/261:59 pm
ORD
- STL
1 stop3h 39m
Delta
Deal found 7/13![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 7/9. 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 8/193:45 pm
STL
- GRR
1 stop6h 05m
Southwest
Sat 8/226:30 am
GRR
- STL
2 stops7h 05m
Southwest
Deal found 7/9![Southwest logo]()
$230
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:13 pm
STL
- FNT
1 stop6h 10m
United Airlines
Sun 8/166:32 pm
FNT
- STL
1 stop5h 27m
United Airlines
Deal found 7/12![United Airlines logo]()
$289
This KAYAK deal was found by Cheapflights users on 7/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
STL
- ORD
1 stop6h 38m
Delta
Thu 8/131:59 pm
ORD
- STL
1 stop6h 43m
Delta
Deal found 7/9![Delta logo]()
$273
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:25 am
STL
- DTW
2 stops7h 45m
Southwest
Mon 10/268:25 pm
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 7/11![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:20 am
STL
- FNT
1 stop6h 08m
United Airlines
Fri 8/146:32 pm
FNT
- STL
1 stop5h 27m
United Airlines
Deal found 7/11![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 7/9. 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 8/2611:10 am
STL
- DTW
Nonstop1h 30m
Southwest
Mon 8/315:30 am
DTW
- STL
1 stop7h 05m
Southwest
Deal found 7/9![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:25 pm
STL
- DTW
Nonstop1h 35m
Delta
Sun 8/99:00 am
DTW
- STL
Nonstop1h 37m
Delta
Deal found 7/13![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:20 am
STL
- TVC
1 stop3h 50m
United Airlines
Wed 8/127:15 am
TVC
- STL
1 stop5h 47m
United Airlines
Deal found 7/12![United Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:10 pm
STL
- FNT
1 stop19h 53m
Multiple Airlines
Sun 8/1610:53 am
FNT
- STL
2 stops23h 04m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:40 am
STL
- LAN
1 stop3h 11m
Delta
Tue 10/206:03 pm
LAN
- STL
1 stop3h 38m
Delta
Deal found 7/13![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:25 pm
STL
- DTW
Nonstop1h 30m
Southwest
Mon 9/147:20 pm
DTW
- STL
1 stop3h 45m
Southwest
Deal found 7/10![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:20 am
STL
- ORD
Nonstop1h 40m
United Airlines
Fri 8/218:40 am
ORD
- STL
Nonstop1h 32m
United Airlines
Deal found 7/11![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:30 am
STL
- LAN
1 stop3h 37m
Delta
Fri 8/146:21 pm
LAN
- STL
1 stop3h 21m
Delta
Deal found 7/12![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:30 pm
STL
- ORD
Nonstop1h 31m
United Airlines
Mon 8/248:29 pm
ORD
- STL
Nonstop1h 31m
United Airlines
Deal found 7/13![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:45 pm
STL
- DTW
2 stops6h 30m
Southwest
Mon 8/171:20 pm
DTW
- STL
2 stops6h 50m
Southwest
Deal found 7/11![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:25 pm
STL
- LAN
1 stop4h 21m
Delta
Tue 8/185:37 am
LAN
- STL
2 stops10h 33m
Delta
Deal found 7/10![Delta logo]()
$294
Last-minute flights from St. Louis to MichiganDiscover last-minute flight deals from St. Louis to Michigan. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Michigan. Data last updated July 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:34 pm
STL
- DTW
1 stop20h 54m
Frontier
Tue 8/46:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 7/11![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 7/314:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Mon 8/105:35 pm
DTW
- STL
1 stop25h 02m
Frontier
Deal found 7/10![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sat 8/14:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Thu 8/66:10 am
DTW
- STL
1 stop12h 27m
Frontier
Deal found 7/10![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sat 8/14:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Tue 8/46:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 7/10![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/34:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Fri 8/75:35 pm
DTW
- STL
1 stop16h 22m
Frontier
Deal found 7/10![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/34:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Sun 8/96:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 7/10![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/34:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Thu 8/62:56 pm
DTW
- STL
1 stop19h 01m
Frontier
Deal found 7/10![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:34 pm
STL
- DTW
1 stop20h 54m
Frontier
Sun 8/96:10 am
DTW
- STL
1 stop27h 47m
Frontier
Deal found 7/13![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Thu 8/66:34 pm
STL
- ORD
1 stop13h 28m
Frontier
Mon 8/109:57 pm
ORD
- STL
1 stop21h 26m
Frontier
Deal found 7/10![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 8/74:57 pm
STL
- ORD
1 stop15h 05m
Frontier
Sun 8/97:05 am
ORD
- STL
1 stop25h 52m
Frontier
Deal found 7/10![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sat 8/84:57 pm
STL
- DTW
1 stop6h 43m
Frontier
Sat 8/152:56 pm
DTW
- STL
1 stop27h 41m
Frontier
Deal found 7/10![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Thu 8/206:17 pm
STL
- DTW
1 stop5h 47m
Frontier
Mon 8/246:00 am
DTW
- STL
1 stop12h 22m
Frontier
Deal found 7/9![Frontier logo]()
$144
One-way flights from St. Louis to MichiganSearch for one-way flight options from St. Louis to Michigan. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
Search for one-way flight options from St. Louis to Michigan. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:45 am
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 7/14![Southwest logo]()
$59
This American Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am
STL
- ORD
Nonstop1h 29m
American Airlines
Deal found 7/10![American Airlines logo]()
$59
This Trip.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:35 am
STL
- DTW
1 stop13h 07m
Frontier
Deal found 7/11![Frontier logo]()
$73
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:45 am
STL
- MDW
2 stops6h 20m
Southwest
Deal found 7/13![Southwest logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:17 pm
STL
- DTW
1 stop5h 47m
Frontier
Deal found 7/10![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/174:57 pm
STL
- DTW
1 stop15h 23m
Frontier
Deal found 7/10![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Thu 9/1010:35 am
STL
- DTW
1 stop27h 04m
Frontier
Deal found 7/10![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:35 am
STL
- DTW
1 stop27h 04m
Frontier
Deal found 7/11![Frontier logo]()
$78
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:29 am
STL
- MDW
1 stop6h 28m
Delta
Deal found 7/13![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:10 pm
STL
- ORD
1 stop4h 19m
Delta
Deal found 7/13![Delta logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/104:57 pm
STL
- ORD
1 stop26h 56m
Frontier
Deal found 7/10![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 8/74:57 pm
STL
- MDW
1 stop16h 54m
Frontier
Deal found 7/10![Frontier logo]()
$83
Find flight deals from St. Louis to Michigan
Keep the following information in mind while searching for St. Louis to Michigan flight deals. Data was last updated July 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $143 (Kiwi.com) |
One-way from | $59 (Southwest) |
Popular in | February |
Cheapest in | August |
Average price | $270 |
Good round-trip deal | $351 or less |
Good one-way deal | $220 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 July 14, 2026.
Use the filters below to find and compare flights from St. Louis to Michigan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Mon 10/5
5:50 pm-9:25 pm
1 stop3h 35m
Chicago Midway
Wed 10/7
3:00 pm-8:00 pm
1 stop5h 00m
$207
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Mon 8/24
10:10 am-12:40 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 8/26
3:35 pm-4:10 pm
Nonstop1h 35m
$222
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Thu 8/6
6:00 am-7:30 am
Nonstop1h 30m
Chicago O'Hare Intl
Mon 8/10
10:00 pm-11:29 pm
Nonstop1h 29m
$226
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Mon 8/10
10:20 am-11:52 am
Nonstop1h 32m
Chicago O'Hare Intl
Mon 8/10
10:00 pm-11:29 pm
Nonstop1h 29m
$226
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Wed 8/12
7:20 pm-9:50 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 8/19
7:05 pm-9:40 pm
1 stop3h 35m
$227
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Thu 9/3
8:50 pm-9:55 pm
Nonstop1h 05m
Chicago Midway
Sun 9/6
5:45 pm-7:00 pm
Nonstop1h 15m
$227
Quickest round-trip
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Thu 9/3
6:05 am-7:10 am
Nonstop1h 05m
Chicago Midway
Fri 9/4
3:10 pm-4:20 pm
Nonstop1h 10m
$227
St. LouisGrand Rapids
STL - GRR
STLGRR
Lambert-St Louis
Wed 8/19
3:45 pm-10:50 pm
1 stop6h 05m
Grand Rapids Gerald R. Ford Intl
Sat 8/22
6:30 am-12:35 pm
2 stops7h 05m
$230
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Thu 10/22
5:25 am-2:10 pm
2 stops7h 45m
Detroit Metropolitan Wayne County
Mon 10/26
8:25 pm-9:00 pm
Nonstop1h 35m
$232
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Wed 8/26
11:10 am-1:40 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Mon 8/31
5:30 am-11:35 am
1 stop7h 05m
$232
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Michigan
Have a flexible travel schedule? Discover the best time to fly to Michigan from St. Louis with our price prediction graph.
STL-MDW
STL-ORD
STL-DTW
STL-GRR
STL-LAN
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 St. Louis to Michigan
STL-USMI
STL-MDW
STL-ORD
STL-DTW
STL-GRR
What is the cheapest month to book a flight from St. Louis to Michigan?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Michigan (average of $27). Flying from St. Louis to Michigan in June is currently the most expensive (average of $222). 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 STL to MI?
Find hourly flight availability from St. Louis 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 July 14, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 64% on flights from St. Louis to Michigan by exploring options for tickets in the evening.
Weekly flight availability from St. Louis to Michigan
Explore weekly flight availability from St. Louis 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 July 14, 2026.
The most flights from STL to USMI are scheduled on a Tuesday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from St. Louis to Michigan?
How far ahead should I book a flight from St. Louis to Michigan?
To ensure you get the cheapest price possible for a flight from St. Louis to Michigan, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from St. Louis to Michigan?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Michigan. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their St. Louis to Michigan flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Michigan
Get insights into the airlines that provide service to Michigan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Michigan. Reviews last updated July 14, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from St. Louis to Michigan by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from St. Louis 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
Top destinations
Alternative routes for St. Louis 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 St. Louis to Michigan by cabin class
Find flights from St. Louis to Michigan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Michigan flights
Browse other St. Louis and Michigan flight options. Last updated on July 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Michigan flights
Consider these flights traveling from St. Louis to Michigan.
Top 5 airlines flying from St. Louis to Michigan
Discover the top 5 airlines that operate flights from St. Louis 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 July 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$80 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$320 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$343 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$200 | Average$412 | FlexibilityNo cancel fee | On-time69% |