$68+ Cheap flights from Michigan to St. Louis (STL)
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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — STL
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from Michigan to St. Louis 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 Michigan to St. Louis
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Cheapest flights from Michigan to St. LouisExplore the most affordable flight options available from Michigan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
Explore the most affordable flight options available from Michigan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/117:00 am -
1 stop7h 10m
Mon 9/142:29 pm -
1 stop9h 13m
Deal found 8/10![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:50 am -
1 stop27h 50m
Fri 10/1610:35 am -
1 stop13h 07m
Deal found 8/10![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/153:38 pm -
1 stop19h 02m
Sun 10/1810:35 am -
1 stop13h 07m
Deal found 8/10![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/307:00 am -
1 stop7h 10m
Mon 10/52:29 pm -
1 stop20h 36m
Deal found 8/7![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am -
1 stop7h 10m
Sun 9/1310:20 am -
1 stop10h 12m
Deal found 8/9![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:25 pm -
1 stop22h 45m
Mon 9/212:29 pm -
2 stops19h 14m
Deal found 8/6![Frontier logo]()
$161
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 9/52:30 pm -
1 stop6h 12m
Sun 9/66:20 am -
1 stop5h 17m
Deal found 8/7![Delta logo]()
$164
This CheapOair deal was found by Cheapflights users on 8/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:55 pm -
1 stop14h 37m
Tue 9/2212:17 pm -
1 stop17h 21m
Deal found 8/6![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 10/27:00 am -
1 stop7h 10m
Sun 10/1110:35 am -
1 stop27h 08m
Deal found 8/7![Frontier logo]()
$167
This Southwest deal was found by Cheapflights users on 8/7. 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 8/297:40 am -
1 stop5h 50m
Sat 8/293:00 pm -
1 stop4h 35m
Deal found 8/7![Southwest logo]()
$171
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 8/296:00 am -
1 stop4h 23m
Sat 8/295:34 pm -
1 stop4h 13m
Deal found 8/7![Delta logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:28 pm -
1 stop14h 12m
Mon 10/1210:35 am -
1 stop21h 40m
Deal found 8/8![Frontier logo]()
$183
Best flights from Michigan to St. LouisDiscover carefully curated flight deals from Michigan to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from Michigan to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This Delta deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:00 pm -
1 stop4h 03m
Sat 9/126:15 am -
1 stop5h 24m
Deal found 8/6![Delta logo]()
$171
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:00 pm -
Nonstop1h 31m
Sun 9/68:00 am -
Nonstop1h 34m
Deal found 8/8![United Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 8/5. 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 9/44:25 pm -
1 stop3h 30m
Fri 9/115:30 pm -
1 stop5h 25m
Deal found 8/5![Southwest logo]()
$203
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Tue 9/16:00 am -
1 stop3h 24m
Mon 9/78:07 pm -
1 stop3h 34m
Deal found 8/8![American Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 9/52:30 pm -
1 stop6h 12m
Sun 9/66:20 am -
1 stop5h 17m
Deal found 8/7![Delta logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Tue 9/151:21 pm -
1 stop22h 11m
Wed 9/162:29 pm -
2 stops15h 09m
Deal found 8/5![Frontier logo]()
$402
This Southwest deal was found by Cheapflights users on 8/10. 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.
Fri 9/116:55 am -
Nonstop1h 50m
Mon 9/146:50 pm -
Nonstop1h 35m
Deal found 8/10![Southwest logo]()
$208
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 am -
Nonstop1h 32m
Sun 9/136:53 pm -
Nonstop1h 36m
Deal found 8/9![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 8/7. 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 8/286:00 am -
1 stop4h 23m
Tue 9/16:30 am -
1 stop4h 12m
Deal found 8/7![Delta logo]()
$230
This Southwest deal was found by Cheapflights users on 8/10. 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.
Thu 11/53:05 pm -
1 stop5h 55m
Mon 11/95:45 am -
Nonstop1h 10m
Deal found 8/10![Southwest logo]()
$231
This KAYAK deal was found by Cheapflights users on 8/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:20 pm -
1 stop3h 35m
Thu 9/108:50 pm -
Nonstop1h 10m
Deal found 8/7![Southwest logo]()
$231
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/16:00 am -
1 stop3h 24m
Tue 9/84:50 pm -
1 stop5h 36m
Deal found 8/6![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/6. 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.
Sat 9/122:35 pm -
Nonstop1h 39m
Sat 9/194:10 pm -
Nonstop1h 32m
Deal found 8/6![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:55 am -
2 stops6h 40m
Sun 9/65:50 pm -
Nonstop1h 30m
Deal found 8/8![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 9/46:00 am -
1 stop3h 39m
Mon 9/76:00 am -
1 stop5h 30m
Deal found 8/6![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 8/5. 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 10/25:56 am -
1 stop5h 22m
Mon 10/55:27 pm -
1 stop6h 24m
Deal found 8/5![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/7. 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.
Mon 9/147:58 pm -
Nonstop1h 37m
Tue 9/155:59 pm -
Nonstop1h 35m
Deal found 8/7![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:15 pm -
Nonstop1h 20m
Sat 9/128:25 am -
Nonstop1h 05m
Deal found 8/8![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:03 pm -
1 stop3h 57m
Tue 9/155:30 pm -
1 stop5h 24m
Deal found 8/9![United Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Fri 10/303:59 pm -
1 stop5h 58m
Sat 10/315:21 pm -
1 stop6h 30m
Deal found 8/9![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/7. 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 9/97:58 pm -
Nonstop1h 37m
Sat 9/194:10 pm -
Nonstop1h 32m
Deal found 8/7![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 8/9. 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.
Fri 9/118:55 pm -
Nonstop1h 15m
Sun 9/133:30 pm -
Nonstop1h 05m
Deal found 8/9![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 pm -
1 stop5h 24m
Mon 11/210:53 am -
1 stop5h 15m
Deal found 8/10![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:05 pm -
Nonstop1h 46m
Tue 11/176:00 pm -
Nonstop1h 36m
Deal found 8/8![Delta logo]()
$258
This KAYAK deal was found by Cheapflights users on 8/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:00 pm -
Nonstop1h 24m
Wed 8/266:00 am -
Nonstop1h 34m
Deal found 8/5![American Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 8/9. 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 9/98:25 am -
1 stop4h 50m
Wed 9/92:50 pm -
1 stop4h 30m
Deal found 8/9![Southwest logo]()
$240
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/46:32 pm -
1 stop4h 28m
Mon 9/76:53 pm -
1 stop3h 59m
Deal found 8/7![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 8/10. 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.
Thu 10/1511:50 am -
1 stop3h 05m
Mon 10/196:40 pm -
1 stop5h 35m
Deal found 8/10![Southwest logo]()
$240
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:32 pm -
1 stop3h 45m
Tue 9/89:43 am -
1 stop4h 01m
Deal found 8/9![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Sun 9/135:59 pm -
1 stop3h 45m
Sun 9/2011:01 am -
1 stop5h 28m
Deal found 8/9![American Airlines logo]()
$334
Last-minute flights from Michigan to St. LouisDiscover last-minute flight deals from Michigan to St. Louis. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Michigan to St. Louis. Data last updated August 10, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:30 am -
1 stop10h 20m
Tue 9/16:45 pm -
1 stop10h 31m
Deal found 8/5![Frontier logo]()
$170
This Southwest deal was found by Cheapflights users on 8/7. 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 8/297:40 am -
1 stop5h 50m
Sat 8/293:00 pm -
1 stop4h 35m
Deal found 8/7![Southwest logo]()
$171
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 8/296:00 am -
1 stop4h 23m
Sat 8/295:34 pm -
1 stop4h 13m
Deal found 8/7![Delta logo]()
$171
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:56 pm -
Nonstop1h 24m
Sun 9/69:32 am -
Nonstop1h 28m
Deal found 8/7![American Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 9/53:00 pm -
1 stop7h 03m
Sun 9/66:30 am -
1 stop4h 12m
Deal found 8/10![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:00 pm -
Nonstop1h 31m
Sun 9/68:00 am -
Nonstop1h 34m
Deal found 8/7![United Airlines logo]()
$187
This CheapOair deal was found by Cheapflights users on 8/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:35 pm -
1 stop23h 42m
Sat 9/1212:17 pm -
1 stop15h 38m
Deal found 8/7![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/117:00 am -
1 stop7h 10m
Mon 9/142:29 pm -
1 stop9h 13m
Deal found 8/10![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am -
1 stop7h 10m
Sun 9/1310:20 am -
1 stop10h 12m
Deal found 8/9![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:25 pm -
1 stop22h 45m
Mon 9/212:29 pm -
2 stops19h 14m
Deal found 8/6![Frontier logo]()
$161
This CheapOair deal was found by Cheapflights users on 8/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:55 pm -
1 stop14h 37m
Tue 9/2212:17 pm -
1 stop17h 21m
Deal found 8/6![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/307:00 am -
1 stop7h 10m
Mon 10/52:29 pm -
1 stop20h 36m
Deal found 8/7![Frontier logo]()
$150
One-way flights from Michigan to St. LouisSearch for one-way flight options from Michigan to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from Michigan to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 9/117:00 am -
1 stop7h 10m
Deal found 8/7![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:25 pm -
1 stop19h 15m
Deal found 8/10![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am -
1 stop7h 10m
Deal found 8/8![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 11/43:34 pm -
1 stop19h 06m
Deal found 8/6![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/243:25 pm -
1 stop22h 45m
Deal found 8/9![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/103:38 pm -
1 stop19h 02m
Deal found 8/10![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:38 pm -
1 stop19h 02m
Deal found 8/6![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/2811:57 am -
2 stops22h 43m
Deal found 8/6![Frontier logo]()
$79
This Delta deal was found by Cheapflights users on 8/10. 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 9/119:29 am -
1 stop5h 45m
Deal found 8/10![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 8/10. 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 9/116:24 pm -
1 stop4h 52m
Deal found 8/10![Delta logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/86:40 pm -
1 stop19h 30m
Deal found 8/7![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 8/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop7h 10m
Deal found 8/9![Frontier logo]()
$83
Find flight deals from Michigan to St. Louis
Keep the following information in mind while searching for Michigan to St. Louis flight deals. Data was last updated August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $130 (Kiwi.com) |
One-way from | $68 (Trip.com) |
Popular in | April |
Cheapest in | January |
Average price | $257 |
Good round-trip deal | $319 or less |
Good one-way deal | $184 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Michigan to St. Louis 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 August 10, 2026.
Use the filters below to find and compare flights from Michigan to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Sat 9/5
6:00 pm-10:03 pm
1 stop4h 03m
Lambert-St Louis
Sat 9/12
6:15 am-11:39 am
1 stop5h 24m
$171
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Sat 9/5
2:00 pm-3:31 pm
Nonstop1h 31m
Lambert-St Louis
Sun 9/6
8:00 am-9:34 am
Nonstop1h 34m
$188
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Sat 9/5
2:30 pm-8:42 pm
1 stop6h 12m
Lambert-St Louis
Sun 9/6
6:20 am-11:37 am
1 stop5h 17m
$198
ChicagoSt. Louis
MDW Chicago Midway - STL Lambert-St Louis
MDWSTL
Chicago Midway
Fri 9/4
4:25 pm-7:55 pm
1 stop3h 30m
Lambert-St Louis
Fri 9/11
5:30 pm-10:55 pm
1 stop5h 25m
$203
DetroitSt. Louis
DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis
DTWSTL
Detroit Metropolitan Wayne County
Fri 9/11
6:55 am-7:45 am
Nonstop1h 50m
Lambert-St Louis
Mon 9/14
6:50 pm-9:25 pm
Nonstop1h 35m
$208
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Fri 8/28
6:00 am-10:23 am
1 stop4h 23m
Lambert-St Louis
Tue 9/1
6:30 am-10:42 am
1 stop4h 12m
$230
ChicagoSt. Louis
MDW Chicago Midway - STL Lambert-St Louis
MDWSTL
Chicago Midway
Thu 11/5
3:05 pm-9:00 pm
1 stop5h 55m
Lambert-St Louis
Mon 11/9
5:45 am-6:55 am
Nonstop1h 10m
$231
ChicagoSt. Louis
MDW Chicago Midway - STL Lambert-St Louis
MDWSTL
Chicago Midway
Wed 9/9
2:20 pm-5:55 pm
1 stop3h 35m
Lambert-St Louis
Thu 9/10
8:50 pm-10:00 pm
Nonstop1h 10m
$231
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Fri 9/11
8:40 am-10:12 am
Nonstop1h 32m
Lambert-St Louis
Sun 9/13
6:53 pm-8:29 pm
Nonstop1h 36m
$232
DetroitSt. Louis
DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis
DTWSTL
Detroit Metropolitan Wayne County
Sat 9/5
7:55 am-1:35 pm
2 stops6h 40m
Lambert-St Louis
Sun 9/6
5:50 pm-8:20 pm
Nonstop1h 30m
$232
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Michigan to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Michigan with our price prediction graph.
DTW-STL
ORD-STL
MDW-STL
AZO-STL
LAN-STL
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 Michigan to St. Louis
USMI-STL
DTW-STL
ORD-STL
MDW-STL
AZO-STL
What is the cheapest month to book a flight from Michigan to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Michigan to St. Louis (average of $311). Flying from Michigan to St. Louis in April is currently the most expensive (average of $422). 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 MI to STL?
Find hourly flight availability from Michigan to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 10, 2026.
It’s typically best to fly out from Michigan to St. Louis at noon. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Michigan to St. Louis
Explore weekly flight availability from Michigan to St. Louis. 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 August 10, 2026.
The most flights from USMI to STL are scheduled on a Sunday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Michigan to St. Louis?
Airfare is below average for this route at the moment.
Michigan to St. Louis flights typically cost between $214 and $369 in September.The cheapest round-trip price found within the last 5 days was $130 on Frontier (Sep 11-Sep 14).
How far ahead should I book a flight from Michigan to St. Louis?
The price you pay for your flight from Michigan to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Michigan to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Michigan to St. Louis. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Michigan to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Michigan to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Alternative routes for Michigan to St. Louis
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Complete your trip
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Michigan and St. Louis flights
Browse other Michigan and St. Louis flight options. Last updated on August 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.
Michigan to St. Louis flights
Consider these flights traveling from Michigan to St. Louis.
Top 5 airlines flying from Michigan to St. Louis
Discover the top 5 airlines that operate flights from Michigan to St. Louis. 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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$127 | Average$393 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$205 | Average$362 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$228 | Average$364 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$361 | FlexibilityNo cancel fee | On-time69% |