$73+ Cheap flights from St. Louis to Detroit Metropolitan Wayne County Airport (STL - DTW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Oct 17 — Oct 241
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
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.Cheapflights Tip: The best prices from Lambert-St Louis to Detroit Metropolitan Wayne County are usually found in May or September, booked 36 days in advance, depart on a Saturday or Friday and return on a Saturday
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 September 17, 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 September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
1 stop16h 21m
Wed 10/216:30 am -
1 stop12h 10m
Deal found 9/14![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/186:44 pm -
1 stop5h 00m
Thu 11/269:30 pm -
1 stop21h 10m
Deal found 9/15![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/166:35 pm -
1 stop15h 36m
Wed 10/216:30 am -
1 stop12h 10m
Deal found 9/15![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/186:44 pm -
1 stop5h 00m
Tue 12/12:38 pm -
1 stop17h 31m
Deal found 9/15![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
1 stop16h 21m
Thu 10/293:02 pm -
1 stop27h 38m
Deal found 9/13![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/206:35 pm -
1 stop25h 10m
Thu 11/269:30 pm -
1 stop21h 10m
Deal found 9/15![Frontier logo]()
$176
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop5h 04m
Mon 10/2610:38 am -
1 stop7h 20m
Deal found 9/15![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:14 pm -
1 stop20h 05m
Sun 11/1510:28 pm -
1 stop13h 51m
Deal found 9/14![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/206:35 pm -
1 stop25h 10m
Tue 12/12:38 pm -
1 stop17h 31m
Deal found 9/15![Frontier logo]()
$194
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 September 17, 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 September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/244:55 pm -
Nonstop1h 30m
Mon 10/268:25 pm -
Nonstop1h 35m
Deal found 9/16![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/232:38 pm -
Nonstop1h 32m
Mon 10/268:10 pm -
Nonstop1h 41m
Deal found 9/15![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/97:50 pm -
Nonstop1h 35m
Sat 10/2412:25 pm -
Nonstop1h 35m
Deal found 9/15![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 11/136:00 pm -
Nonstop1h 36m
Sun 11/157:45 pm -
Nonstop1h 44m
Deal found 9/17![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/165:35 pm -
1 stop6h 23m
Sun 10/189:10 am -
Nonstop1h 39m
Deal found 9/16![Delta logo]()
$383
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/82:30 pm -
2 stops6h 15m
Fri 10/98:05 pm -
1 stop4h 15m
Deal found 9/16![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:40 pm -
2 stops6h 15m
Sun 11/85:00 am -
2 stops8h 20m
Deal found 9/13![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/232:30 pm -
2 stops6h 15m
Mon 10/266:35 am -
2 stops8h 45m
Deal found 9/15![Southwest logo]()
$403
Last-minute flights from St. Louis to DetroitDiscover last-minute flight deals from St. Louis to Detroit. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Detroit. Data last updated September 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
1 stop16h 21m
Wed 10/216:30 am -
1 stop12h 10m
Deal found 9/14![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
1 stop5h 04m
Thu 10/295:49 pm -
2 stops24h 51m
Deal found 9/13![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/166:35 pm -
1 stop15h 36m
Wed 10/216:30 am -
1 stop12h 10m
Deal found 9/15![Frontier logo]()
$145
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/166:35 pm -
1 stop5h 04m
Fri 10/238:35 pm -
1 stop23h 22m
Deal found 9/16![Frontier logo]()
$202
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop5h 04m
Sat 10/174:35 pm -
1 stop7h 38m
Deal found 9/14![Frontier logo]()
$222
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop5h 04m
Mon 10/2610:38 am -
1 stop7h 20m
Deal found 9/15![Frontier logo]()
$185
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 September 17, 2026.
Search for one-way flight options from St. Louis to Detroit. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$73
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$78
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 12/212:02 pm -
1 stop28h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 12/1612:02 pm -
1 stop21h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 12/912:02 pm -
1 stop28h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:44 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:35 pm -
1 stop16h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$91
This Priceline deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:59 pm -
1 stop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$95
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Kiwi.com) |
One-way from | $73 (Priceline) |
Popular in | February |
Cheapest in | May |
Average price | $319 |
Good round-trip deal | $380 or less |
Good one-way deal | $195 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 7,457,451 searches. Data last updated September 17, 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 Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Wed 12/16
6:05 pm-8:45 pm
Nonstop1h 40m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
Quickest round-trip
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Wed 10/28
10:30 am-1:00 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Tue 10/13
10:30 am-1:00 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Sat 10/31
10:00 am-12:30 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$130
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Sat 11/7
5:45 am-1:00 pm
2 stops6h 15m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Thu 11/5
6:47 am-9:20 am
Nonstop1h 33m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Mon 11/9
6:40 am-9:13 am
Nonstop1h 33m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Mon 11/9
7:55 pm-10:25 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Mon 11/2
10:20 am-12:50 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
St. LouisDetroit
STL Lambert-St Louis - DTW Detroit Metropolitan Wayne County
STLDTW
Lambert-St Louis
Thu 10/29
10:20 am-12:50 pm
Nonstop1h 30m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
Showing 1-10 of 20 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 September.
| 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.
- Most trusted provider: When it comes to deals on St. Louis-Detroit Metropolitan Wayne County Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Detroit Metropolitan Wayne County Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
Cheapflights Insights
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?
The best time to book flights from St. Louis to Detroit Metropolitan Wayne County Airport is 35 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, May is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $309). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in February is currently the most expensive (average of $420). 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 September 17, 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 66% 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 September 12, 2026.
Travelers seeking maximum savings on their St. Louis to Detroit Metropolitan Wayne County Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 17, 2026.
See what other customers who have flown with Southwest,Delta, andFrontier 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.
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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
Southfield
Sterling Heights
Troy
Auburn Hills
Pontiac
Warren
Rochester Hills
Livonia
Southgate
Romulus
Roseville
Allen Park
Ypsilanti
Plymouth
Fremont
Port Huron
Waterford
Utica
Madison Heights
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Alternative routes for St. Louis to Detroit
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
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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 September 17, 2026.
Search flights from St. Louis to Detroit by cabin class
Find flights from St. Louis to Detroit, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Detroit flights
Browse other St. Louis and Detroit flight options. Last updated on September 17, 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 September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from St. Louis to Detroit
Discover the top 3 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$80 | Average$320 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$354 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$228 | Average$389 | FlexibilityNo cancel fee | On-timeN/A |