$70+ Cheap flights from St. Louis to Detroit Metropolitan Wayne County Airport (STL - DTW)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Detroit 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Detroit Metropolitan Wayne County are usually found in August or June, booked 71 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from St. Louis to Detroit
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to DetroitExplore the most affordable flight options available from St. Louis to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from St. Louis to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This Expedia deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Sat 5/97:55 am
DTW
- STL
1 stop12h 28m
Frontier
Deal found 3/23![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Tue 4/2112:33 pm
DTW
- STL
1 stop19h 17m
Frontier
Deal found 3/20![Frontier logo]()
$157
This Expedia deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 4/129:02 pm
DTW
- STL
1 stop11h 49m
Frontier
Deal found 3/22![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:25 am
STL
- DTW
1 stop6h 21m
Frontier
Sun 4/265:09 pm
DTW
- STL
1 stop14h 41m
Frontier
Deal found 3/21![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:25 am
STL
- DTW
1 stop6h 21m
Frontier
Tue 4/217:04 pm
DTW
- STL
1 stop12h 46m
Frontier
Deal found 3/20![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Thu 4/238:43 pm
DTW
- STL
1 stop11h 07m
Frontier
Deal found 3/20![Frontier logo]()
$181
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:06 pm
STL
- DTW
1 stop10h 53m
Frontier
Mon 4/1311:48 am
DTW
- STL
1 stop12h 37m
Frontier
Deal found 3/20![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:59 pm
STL
- DTW
2 stops17h 46m
Frontier
Tue 4/217:04 pm
DTW
- STL
1 stop12h 46m
Frontier
Deal found 3/20![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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
Sun 4/195:09 pm
DTW
- STL
1 stop14h 41m
Frontier
Deal found 3/18![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/96:29 pm
STL
- DTW
1 stop15h 43m
Multiple Airlines
Mon 4/139:50 pm
DTW
- STL
2 stops34h 00m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$192
Best flights from St. Louis to DetroitDiscover carefully curated flight deals from St. Louis to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from St. Louis to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:32 am
STL
- DTW
Nonstop1h 35m
Delta
Wed 4/154:00 pm
DTW
- STL
Nonstop1h 42m
Delta
Deal found 3/19![Delta logo]()
$205
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/115:40 am
STL
- DTW
1 stop3h 20m
Southwest
Tue 4/147:00 am
DTW
- STL
Nonstop1h 45m
Southwest
Deal found 3/18![Southwest logo]()
$215
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/222:30 pm
STL
- DTW
2 stops7h 00m
Southwest
Sat 4/257:20 am
DTW
- STL
Nonstop1h 40m
Southwest
Deal found 3/18![Southwest logo]()
$220
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:50 am
STL
- DTW
Nonstop1h 29m
Delta
Wed 4/227:00 am
DTW
- STL
1 stop5h 32m
Delta
Deal found 3/20![Delta logo]()
$225
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:48 am
STL
- DTW
Nonstop1h 29m
Delta
Sat 5/27:00 am
DTW
- STL
1 stop5h 39m
Delta
Deal found 3/19![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/104:00 pm
STL
- DTW
1 stop6h 30m
Southwest
Mon 4/138:15 pm
DTW
- STL
Nonstop1h 40m
Southwest
Deal found 3/18![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:45 am
STL
- DTW
Nonstop1h 34m
Delta
Sun 6/2112:40 pm
DTW
- STL
Nonstop1h 37m
Delta
Deal found 3/19![Delta logo]()
$276
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:40 pm
STL
- DTW
Nonstop1h 30m
Southwest
Sun 4/267:00 am
DTW
- STL
Nonstop1h 45m
Southwest
Deal found 3/22![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/75:35 am
STL
- DTW
1 stop3h 10m
Southwest
Wed 4/87:10 pm
DTW
- STL
Nonstop1h 45m
Southwest
Deal found 3/18![Southwest logo]()
$331
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:45 pm
STL
- DTW
2 stops7h 35m
Southwest
Mon 4/273:35 pm
DTW
- STL
2 stops8h 40m
Southwest
Deal found 3/23![Southwest logo]()
$331
Last-minute flights from St. Louis to DetroitDiscover last-minute flight deals from St. Louis to Detroit. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Detroit. Data last updated March 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/96:29 pm
STL
- DTW
1 stop15h 43m
Multiple Airlines
Mon 4/139:50 pm
DTW
- STL
2 stops34h 00m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$192
This Expedia deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 3/20![Frontier logo]()
$140
This Expedia deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 4/129:02 pm
DTW
- STL
1 stop11h 49m
Frontier
Deal found 3/22![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:06 pm
STL
- DTW
1 stop10h 53m
Frontier
Mon 4/1311:48 am
DTW
- STL
1 stop12h 37m
Frontier
Deal found 3/20![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Tue 4/2112:33 pm
DTW
- STL
1 stop19h 17m
Frontier
Deal found 3/20![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Thu 4/238:43 pm
DTW
- STL
1 stop11h 07m
Frontier
Deal found 3/20![Frontier logo]()
$181
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:50 am
STL
- DTW
Nonstop1h 29m
Delta
Wed 4/224:00 pm
DTW
- STL
Nonstop1h 42m
Delta
Deal found 3/20![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:25 am
STL
- DTW
1 stop6h 21m
Frontier
Tue 4/217:04 pm
DTW
- STL
1 stop12h 46m
Frontier
Deal found 3/20![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:59 pm
STL
- DTW
2 stops17h 46m
Frontier
Tue 4/217:04 pm
DTW
- STL
1 stop12h 46m
Frontier
Deal found 3/20![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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
Sun 4/195:09 pm
DTW
- STL
1 stop14h 41m
Frontier
Deal found 3/18![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:25 am
STL
- DTW
1 stop6h 21m
Frontier
Sun 4/265:09 pm
DTW
- STL
1 stop14h 41m
Frontier
Deal found 3/21![Frontier logo]()
$167
One-way flights from St. Louis to DetroitSearch for one-way flight options from St. Louis to Detroit. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from St. Louis to Detroit. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Deal found 3/20![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Deal found 3/21![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:23 pm
STL
- DTW
1 stop14h 15m
Frontier
Deal found 3/21![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Deal found 3/20![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:23 pm
STL
- DTW
1 stop11h 42m
Frontier
Deal found 3/20![Frontier logo]()
$96
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:30 am
STL
- DTW
Nonstop1h 30m
Southwest
Deal found 3/19![Southwest logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:23 pm
STL
- DTW
1 stop18h 51m
Frontier
Deal found 3/21![Frontier logo]()
$100
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:00 pm
STL
- DTW
Nonstop1h 30m
Southwest
Deal found 3/19![Southwest logo]()
$107
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:30 am
STL
- DTW
Nonstop1h 30m
Southwest
Deal found 3/22![Southwest logo]()
$108
Find flight deals from St. Louis to Detroit
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Detroit (DTW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Expedia) |
One-way from | $70 (Frontier) |
Popular in | February |
Cheapest in | August |
Average price | $390 |
Good round-trip deal | $390 or less |
Good one-way deal | $187 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Detroit 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 23, 2026.
Use the filters below to find and compare flights from St. Louis to Detroit Metropolitan Wayne County Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Thu 4/9
6:32 am-9:07 am
Nonstop1h 35m
Detroit Metropolitan Wayne County
Wed 4/15
4:00 pm-4:42 pm
Nonstop1h 42m
$205
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Sat 4/11
5:40 am-10:00 am
1 stop3h 20m
Detroit Metropolitan Wayne County
Tue 4/14
7:00 am-7:45 am
Nonstop1h 45m
$215
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Wed 4/22
2:30 pm-10:30 pm
2 stops7h 00m
Detroit Metropolitan Wayne County
Sat 4/25
7:20 am-8:00 am
Nonstop1h 40m
$220
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Wed 4/15
10:50 am-1:19 pm
Nonstop1h 29m
Detroit Metropolitan Wayne County
Wed 4/22
7:00 am-11:32 am
1 stop5h 32m
$225
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Thu 4/30
6:48 am-9:17 am
Nonstop1h 29m
Detroit Metropolitan Wayne County
Sat 5/2
7:00 am-11:39 am
1 stop5h 39m
$233
Quickest round-trip
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Thu 6/4
6:45 am-9:19 am
Nonstop1h 34m
Detroit Metropolitan Wayne County
Sun 6/21
12:40 pm-1:17 pm
Nonstop1h 37m
$276
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Fri 4/10
4:00 pm-11:30 pm
1 stop6h 30m
Detroit Metropolitan Wayne County
Mon 4/13
8:15 pm-8:55 pm
Nonstop1h 40m
$297
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Fri 4/24
7:40 pm-10:10 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Sun 4/26
7:00 am-7:45 am
Nonstop1h 45m
$324
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Tue 4/7
5:35 am-9:45 am
1 stop3h 10m
Detroit Metropolitan Wayne County
Wed 4/8
7:10 pm-7:55 pm
Nonstop1h 45m
$331
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Thu 4/23
1:45 pm-10:20 pm
2 stops7h 35m
Detroit Metropolitan Wayne County
Mon 4/27
3:35 pm-11:15 pm
2 stops8h 40m
$331
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Detroit
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Detroit in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Detroit Metropolitan Wayne County Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Detroit Metropolitan Wayne County Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Detroit Metropolitan Wayne County Airport flight searches over the past month and is updated monthly.
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Best time to book a flight from St. Louis to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from St. Louis with our price prediction graph.
STL-DTW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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Everything you need to know about your flight from St. Louis to Detroit Metropolitan Wayne County Airport
Prices
Airlines
How far ahead should I book a flight from St. Louis to Detroit Metropolitan Wayne County Airport?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Detroit. Price data was last updated on March 13, 2026.
The best time to book flights from St. Louis to Detroit Metropolitan Wayne County Airport is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from St. Louis to Detroit Metropolitan Wayne County Airport?
Currently, June is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $48). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in April is currently the most expensive (average of $241). 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 DTW?
Find hourly flight availability from St. Louis to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 23, 2026.
It’s optimal to fly from St. Louis to Detroit Metropolitan Wayne County Airport in the evening. By choosing this option you can save up to 64% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from St. Louis to Detroit Metropolitan Wayne County Airport?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Detroit. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their St. Louis to Detroit Metropolitan Wayne County Airport 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.
The best insider tips for St. Louis to Detroit Metropolitan Wayne County Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Detroit Metropolitan Wayne County Airport trip
Our travel experts
Reviews of airlines servicing Detroit
Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated March 23, 2026.
See what other customers who have flown with Southwest,Delta, andSpirit Airlines from St. Louis to Detroit Metropolitan Wayne County Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Detroit. 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 Detroit Metropolitan Wayne County Airport?
Book flights to Detroit Metropolitan Wayne County Airport if you plan to visit one of these locationsDearborn
Troy
Southfield
Sterling Heights
Warren
Auburn Hills
Southgate
Allen Park
Romulus
Rochester Hills
Roseville
Utica
Pontiac
Monroe
Wixom
Ypsilanti
Livonia
Plymouth
Fremont
Port Huron
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Other flights to Detroit
Explore flights to Detroit departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 23, 2026.
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St. Louis and Detroit flights
Browse other St. Louis and Detroit flight options. Last updated on March 23, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on March 23, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from St. Louis to Detroit
Discover the top 4 airlines that operate flights from St. Louis to Detroit. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$78 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$75 | Average$297 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$80 | Average$275 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$119 | Average$277 | FlexibilityNo cancel fee | On-time63% |