$49+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Apr 7 — Apr 141
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Michigan with Cheapflights
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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 March 8, 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 March 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:23 pm
STL
- DTW
1 stop14h 08m
Frontier
Sun 5/1010:05 am
DTW
- STL
1 stop21h 45m
Frontier
Deal found 3/6![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:21 am
STL
- DTW
1 stop19h 41m
Frontier
Tue 4/1412:33 pm
DTW
- STL
1 stop19h 17m
Frontier
Deal found 3/3![Frontier logo]()
$153
This Expedia deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:16 pm
STL
- DTW
1 stop13h 42m
Frontier
Mon 4/1311:48 am
DTW
- STL
1 stop12h 37m
Frontier
Deal found 3/5![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:23 pm
STL
- DTW
1 stop14h 22m
Frontier
Fri 4/2410:27 pm
DTW
- STL
1 stop22h 05m
Frontier
Deal found 3/3![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:23 pm
STL
- DTW
1 stop14h 08m
Frontier
Fri 5/810:27 pm
DTW
- STL
1 stop21h 45m
Frontier
Deal found 3/4![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:13 pm
STL
- DTW
1 stop20h 05m
Multiple Airlines
Tue 5/1912:26 pm
DTW
- STL
1 stop19h 24m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$178
This Expedia deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:59 pm
STL
- DTW
1 stop15h 15m
Frontier
Mon 4/201:30 pm
DTW
- STL
1 stop10h 49m
Frontier
Deal found 3/3![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Mon 4/2010:27 pm
DTW
- STL
2 stops33h 23m
Frontier
Deal found 3/3![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:27 am
STL
- DTW
1 stop19h 40m
Frontier
Mon 3/305:12 pm
DTW
- STL
1 stop18h 20m
Frontier
Deal found 3/3![Frontier logo]()
$185
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:25 am
STL
- MDW
1 stop3h 30m
Southwest
Mon 3/306:25 pm
MDW
- STL
1 stop5h 40m
Southwest
Deal found 3/6![Southwest logo]()
$191
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:48 am
STL
- ORD
1 stop3h 31m
Delta
Wed 4/155:53 pm
ORD
- STL
1 stop5h 43m
Delta
Deal found 3/7![Delta logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:16 pm
STL
- DTW
1 stop18h 51m
Frontier
Mon 3/305:12 pm
DTW
- STL
1 stop18h 20m
Frontier
Deal found 3/3![Frontier logo]()
$192
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 March 8, 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 March 8, 2026.
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:48 am
STL
- ORD
1 stop3h 31m
Delta
Wed 4/155:53 pm
ORD
- STL
1 stop5h 43m
Delta
Deal found 3/7![Delta logo]()
$191
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:00 pm
STL
- DTW
Nonstop1h 30m
Southwest
Mon 4/207:00 am
DTW
- STL
Nonstop1h 45m
Southwest
Deal found 3/3![Southwest logo]()
$215
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:21 am
STL
- ORD
Nonstop1h 29m
United Airlines
Fri 4/38:20 pm
ORD
- STL
Nonstop1h 32m
United Airlines
Deal found 3/4![United Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:00 am
STL
- FNT
1 stop4h 55m
American Airlines
Tue 3/247:35 pm
FNT
- STL
1 stop5h 09m
American Airlines
Deal found 3/5![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:21 am
STL
- ORD
2 stops6h 40m
Delta
Wed 5/272:59 pm
ORD
- STL
1 stop6h 30m
Delta
Deal found 3/6![Delta logo]()
$196
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:40 pm
STL
- DTW
Nonstop1h 30m
Southwest
Tue 3/317:15 pm
DTW
- STL
Nonstop1h 40m
Southwest
Deal found 3/7![Southwest logo]()
$215
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:45 am
STL
- ORD
Nonstop1h 26m
United Airlines
Sat 4/118:20 pm
ORD
- STL
Nonstop1h 32m
United Airlines
Deal found 3/6![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:35 am
STL
- ORD
1 stop5h 15m
Southwest
Tue 4/142:40 pm
ORD
- STL
1 stop4h 35m
Southwest
Deal found 3/3![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:45 am
STL
- ORD
Nonstop1h 27m
United Airlines
Sat 5/911:25 am
ORD
- STL
Nonstop1h 22m
United Airlines
Deal found 3/7![United Airlines logo]()
$230
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/212:25 pm
STL
- FNT
1 stop3h 31m
American Airlines
Wed 3/257:35 pm
FNT
- STL
1 stop5h 09m
American Airlines
Deal found 3/6![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:59 pm
STL
- LAN
1 stop4h 37m
Delta
Thu 4/96:26 pm
LAN
- STL
1 stop3h 16m
Delta
Deal found 3/5![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:40 am
STL
- DTW
1 stop3h 30m
Southwest
Mon 4/138:15 pm
DTW
- STL
Nonstop1h 40m
Southwest
Deal found 3/5![Southwest logo]()
$238
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:21 am
STL
- MDW
2 stops6h 21m
Delta
Sat 5/99:23 am
MDW
- STL
1 stop5h 56m
Delta
Deal found 3/7![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:40 pm
STL
- MDW
Nonstop1h 10m
Southwest
Sat 5/97:25 am
MDW
- STL
1 stop6h 55m
Southwest
Deal found 3/7![Southwest logo]()
$240
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:33 am
STL
- LAN
1 stop4h 15m
American Airlines
Wed 4/16:22 am
LAN
- STL
1 stop6h 13m
American Airlines
Deal found 3/6![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:59 pm
STL
- AZO
1 stop3h 36m
Delta
Tue 4/146:10 pm
AZO
- STL
1 stop3h 34m
Delta
Deal found 3/5![Delta logo]()
$260
This Southwest deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:50 pm
STL
- MDW
Nonstop1h 10m
Southwest
Sun 4/129:45 pm
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 3/4![Southwest logo]()
$244
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:45 am
STL
- GRR
1 stop13h 10m
United Airlines
Wed 5/206:00 am
GRR
- STL
1 stop16h 18m
United Airlines
Deal found 3/4![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:59 pm
STL
- LAN
1 stop4h 40m
Delta
Wed 4/295:30 am
LAN
- STL
1 stop5h 12m
Delta
Deal found 3/7![Delta logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/219:08 am
STL
- TVC
1 stop6h 00m
American Airlines
Sun 6/285:04 pm
TVC
- STL
1 stop7h 55m
American Airlines
Deal found 3/8![American Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:40 pm
STL
- MDW
Nonstop1h 05m
Southwest
Sun 4/127:00 pm
MDW
- STL
1 stop4h 45m
Southwest
Deal found 3/2![Southwest logo]()
$254
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:13 pm
STL
- FNT
1 stop4h 53m
United Airlines
Mon 6/293:36 pm
FNT
- STL
1 stop6h 40m
United Airlines
Deal found 3/3![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:59 pm
STL
- TVC
1 stop4h 04m
Delta
Sat 4/255:52 pm
TVC
- STL
1 stop3h 52m
Delta
Deal found 3/4![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:45 am
STL
- TVC
1 stop5h 45m
Delta
Sat 6/272:10 pm
TVC
- STL
1 stop3h 39m
Delta
Deal found 3/4![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:10 am
STL
- FNT
1 stop4h 58m
United Airlines
Sat 4/183:55 pm
FNT
- STL
1 stop6h 57m
United Airlines
Deal found 3/4![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:20 am
STL
- GRR
1 stop7h 10m
Southwest
Mon 5/115:40 pm
GRR
- STL
1 stop6h 05m
Southwest
Deal found 3/3![Southwest logo]()
$273
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:41 am
STL
- MQT
2 stops11h 00m
American Airlines
Sat 6/204:25 pm
MQT
- STL
1 stop5h 05m
American Airlines
Deal found 3/6![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:55 pm
STL
- TVC
1 stop4h 04m
United Airlines
Sun 6/289:00 am
TVC
- STL
1 stop4h 11m
United Airlines
Deal found 3/5![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:59 pm
STL
- LAN
1 stop4h 37m
Delta
Wed 4/111:45 am
LAN
- STL
1 stop5h 47m
Delta
Deal found 3/7![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/217:35 am
STL
- MDW
1 stop4h 25m
Southwest
Wed 3/256:25 am
MDW
- STL
1 stop6h 15m
Southwest
Deal found 3/3![Southwest logo]()
$277
Last-minute flights from St. Louis to MichiganDiscover last-minute flight deals from St. Louis to Michigan. Data last updated March 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Michigan. Data last updated March 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:32 am
STL
- DTW
1 stop19h 35m
Multiple Airlines
Sun 3/229:53 pm
DTW
- STL
2 stops37h 39m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:16 pm
STL
- DTW
1 stop18h 51m
Frontier
Mon 3/305:12 pm
DTW
- STL
1 stop18h 20m
Frontier
Deal found 3/3![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:27 am
STL
- DTW
1 stop19h 40m
Frontier
Mon 3/305:12 pm
DTW
- STL
1 stop18h 20m
Frontier
Deal found 3/3![Frontier logo]()
$185
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:25 am
STL
- MDW
1 stop3h 30m
Southwest
Mon 3/306:25 pm
MDW
- STL
1 stop5h 40m
Southwest
Deal found 3/6![Southwest logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:21 am
STL
- DTW
1 stop19h 41m
Frontier
Tue 4/1412:33 pm
DTW
- STL
1 stop19h 17m
Frontier
Deal found 3/3![Frontier logo]()
$153
This Expedia deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:16 pm
STL
- DTW
1 stop13h 42m
Frontier
Mon 4/1311:48 am
DTW
- STL
1 stop12h 37m
Frontier
Deal found 3/5![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Mon 4/2010:27 pm
DTW
- STL
2 stops33h 23m
Frontier
Deal found 3/3![Frontier logo]()
$182
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:48 am
STL
- ORD
1 stop3h 31m
Delta
Wed 4/155:53 pm
ORD
- STL
1 stop5h 43m
Delta
Deal found 3/7![Delta logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:23 pm
STL
- DTW
1 stop14h 22m
Frontier
Fri 4/2410:27 pm
DTW
- STL
1 stop22h 05m
Frontier
Deal found 3/3![Frontier logo]()
$162
This Expedia deal was found by Cheapflights users on 3/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:59 pm
STL
- DTW
1 stop15h 15m
Frontier
Mon 4/201:30 pm
DTW
- STL
1 stop10h 49m
Frontier
Deal found 3/3![Frontier logo]()
$181
This Southwest deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:35 am
STL
- MDW
1 stop6h 40m
Southwest
Sat 4/258:35 am
MDW
- STL
2 stops7h 50m
Southwest
Deal found 3/4![Southwest logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:59 pm
STL
- DTW
2 stops17h 39m
Frontier
Tue 4/287:04 pm
DTW
- STL
1 stop12h 46m
Frontier
Deal found 3/7![Frontier logo]()
$194
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 March 8, 2026.
Search for one-way flight options from St. Louis to Michigan. Find affordable one-way fares based on user searches. Data last updated March 8, 2026.
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:45 pm
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 3/3![Southwest logo]()
$49
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:45 am
STL
- ORD
Nonstop1h 26m
United Airlines
Deal found 3/3![United Airlines logo]()
$49
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:40 pm
STL
- MDW
1 stop3h 35m
Southwest
Deal found 3/3![Southwest logo]()
$59
This Southwest deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:45 am
STL
- ORD
1 stop5h 25m
Southwest
Deal found 3/4![Southwest logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Deal found 3/5![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Deal found 3/5![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:13 pm
STL
- MDW
1 stop23h 18m
Frontier
Deal found 3/6![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:21 am
STL
- DTW
1 stop19h 41m
Frontier
Deal found 3/6![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- MDW
1 stop23h 08m
Frontier
Deal found 3/6![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:13 pm
STL
- DTW
1 stop11h 57m
Frontier
Deal found 3/7![Frontier logo]()
$69
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:51 am
STL
- ORD
Nonstop1h 30m
American Airlines
Deal found 3/6![American Airlines logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:23 pm
STL
- DTW
1 stop20h 44m
Frontier
Deal found 3/6![Frontier logo]()
$71
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 March 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $131 (Kiwi.com) |
One-way from | $49 (Southwest) |
Popular in | February |
Cheapest in | August |
Average price | $284 |
Good round-trip deal | $387 or less |
Good one-way deal | $217 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 March 8, 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 - ORD
STLORD
Lambert-St Louis
Wed 4/15
6:48 am-10:19 am
1 stop3h 31m
Chicago O'Hare Intl
Wed 4/15
5:53 pm-11:36 pm
1 stop5h 43m
$191
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Wed 5/20
6:21 am-1:01 pm
2 stops6h 40m
Chicago O'Hare Intl
Wed 5/27
2:59 pm-9:29 pm
1 stop6h 30m
$196
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Sat 4/18
7:00 pm-9:30 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Mon 4/20
7:00 am-7:45 am
Nonstop1h 45m
$215
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Sat 3/28
7:40 pm-10:10 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Tue 3/31
7:15 pm-7:55 pm
Nonstop1h 40m
$215
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Wed 4/1
8:21 am-9:50 am
Nonstop1h 29m
Chicago O'Hare Intl
Fri 4/3
8:20 pm-9:52 pm
Nonstop1h 32m
$217
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Thu 4/9
7:45 am-9:11 am
Nonstop1h 26m
Chicago O'Hare Intl
Sat 4/11
8:20 pm-9:52 pm
Nonstop1h 32m
$217
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Sun 4/12
7:35 am-12:50 pm
1 stop5h 15m
Chicago O'Hare Intl
Tue 4/14
2:40 pm-7:15 pm
1 stop4h 35m
$227
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Fri 5/8
7:45 am-9:12 am
Nonstop1h 27m
Chicago O'Hare Intl
Sat 5/9
11:25 am-12:47 pm
Nonstop1h 22m
$230
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Fri 4/10
5:40 am-10:10 am
1 stop3h 30m
Detroit Metropolitan Wayne County
Mon 4/13
8:15 pm-8:55 pm
Nonstop1h 40m
$238
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Fri 5/8
4:40 pm-5:50 pm
Nonstop1h 10m
Chicago Midway
Sat 5/9
7:25 am-2:20 pm
1 stop6h 55m
$240
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-FNT
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-FNT
What is the cheapest month to book a flight from St. Louis to Michigan?
Currently, June is the cheapest month in which you can book a flight from St. Louis to Michigan (average of $48). Flying from St. Louis to Michigan in March is currently the most expensive (average of $259). 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 March 8, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 66% on flights from St. Louis to Michigan by exploring options for tickets in the evening.
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 February 21, 2026.
Travelers seeking maximum savings on their St. Louis to Michigan flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 March 8, 2026.
The most flights from STL to USMI are scheduled on a Sunday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
Reviews of airlines servicing Michigan
Get insights into the airlines that provide service to Michigan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Michigan. Reviews last updated March 8, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United 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.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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.
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Alternative routes for St. Louis to Michigan
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Complete your trip
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St. Louis and Michigan flights
Browse other St. Louis and Michigan flight options. Last updated on March 8, 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 6 airlines flying from St. Louis to Michigan
Discover the top 6 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 March 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$78 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$75 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$80 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$119 | Average$293 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$320 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$200 | Average$530 | FlexibilityNo cancel fee | On-time69% |