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$28+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Detroit Metropolitan Wayne County are usually found in July or June, booked 89 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap 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 July 3, 2025.

Round-trip from

$58
(FlightHub)

One-way from

$28
(FlightHub)

Popular in

January

Cheapest in

July

Average price

$210

Good round-trip deal

$173 or less

Good one-way deal

$97 or less
From Lambert-St Louis to Detroit Metropolitan Wayne County
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One-way flight from Lambert-St Louis to Detroit Metropolitan Wayne County
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Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Detroit Metropolitan Wayne County.
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Price to beat on a one-way flight from Lambert-St Louis to Detroit Metropolitan Wayne County.
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Find flight deals from St. Louis to Detroit

Cheapest flights from St. Louis to Detroit
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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:30 pmSTL - DTW
Nonstop1h 30mSpirit Airlines
Sun 8/171:00 pmDTW - STL
Nonstop1h 32mSpirit Airlines
Deal found 7/2$58
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:20 pmSTL - DTW
Nonstop1h 30mSouthwest
Mon 9/298:15 pmDTW - STL
Nonstop1h 35mSouthwest
Deal found 7/1$119
This Expedia deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2110:47 amSTL - DTW
Nonstop1h 29mMultiple Airlines
Thu 7/249:36 amDTW - STL
1 stop4h 58mMultiple Airlines
Deal found 7/2$121
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 pmSTL - DTW
Nonstop1h 34mDelta
Thu 9/188:55 amDTW - STL
Nonstop1h 38mDelta
Deal found 7/3$128
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:23 amSTL - DTW
1 stop8h 14mAmerican Airlines
Tue 8/57:31 pmDTW - STL
1 stop5h 28mAmerican Airlines
Deal found 7/2$165

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 July 3, 2025.
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

St. Louis

Fly to

Detroit

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 8/15

2:30 pm-5:00 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sun 8/17

1:00 pm-1:32 pm

Nonstop1h 32m

$58

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 9/25

7:20 pm-9:50 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 9/29

8:15 pm-8:50 pm

Nonstop1h 35m

$119

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 7/21

10:47 am-1:16 pm

Nonstop1h 29m

Detroit Metropolitan Wayne County

Thu 7/24

9:36 am-1:34 pm

1 stop4h 58m

$121

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 9/16

6:00 pm-8:34 pm

Nonstop1h 34m

Detroit Metropolitan Wayne County

Thu 9/18

8:55 am-9:33 am

Nonstop1h 38m

$128

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 8/7

7:32 am-3:16 pm

1 stop6h 44m

Detroit Metropolitan Wayne County

Thu 8/7

7:26 pm-11:55 pm

1 stop5h 29m

$159

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 9/1

2:30 pm-5:00 pm

Nonstop1h 30m

$28

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 8/21

10:17 am-6:00 pm

1 stop6h 43m

$53

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 9/8

6:40 am-9:13 am

Nonstop1h 33m

$60

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 8/18

5:25 am-11:45 am

1 stop5h 20m

$79

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 9/3

9:56 am-2:31 pm

1 stop3h 35m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 12 results
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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.
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

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 June 27, 2025.

The best time to book flights from St. Louis to Detroit Metropolitan Wayne County Airport is 89 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, April is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $257). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in March is currently the most expensive (average of $305). 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 July 3, 2025.

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 76% 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 June 29, 2025.

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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Detroit Metropolitan Wayne County Airport

Explore weekly flight availability from St. Louis to Detroit. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from STL to DTW are scheduled on a Thursday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 July 3, 2025.
See what other customers who have flown with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,086 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • What airports do I use to fly from St. Louis to Detroit?

    Detroit Metropolitan Wayne County is the airport most travelers will use when flying to Detroit from Lambert-St Louis. Booking flights from Lambert-St Louis (STL) to Detroit Metropolitan Wayne County (DTW) should be relatively easy as there are 7 daily flights to Detroit from 3 different airlines. 1h 28m is how long a flight from St. Louis to Detroit Metropolitan Wayne County will take if you book a nonstop flight.

  • What are the cheapest airlines flying from St. Louis to Detroit Metropolitan Wayne County Airport round-trip?

    Our cheapest airline available from St. Louis to Detroit Metropolitan Wayne County Airport is Spirit Airlines. Our recent data shows that you can find tickets from as low as $58 on this airline. Additional options worth looking into are Southwest and Delta, starting at $119 and $128 round-trip. These flights start at 80% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Detroit Metropolitan Wayne County Airport one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $28. Frontier flights start at $53 while deals on Delta start at $60 one-way.

  • What are the most reliable airlines from St. Louis to Detroit Metropolitan Wayne County Airport?

    No one likes to see their flight delayed. When booking a flight from St. Louis to Detroit Metropolitan Wayne County Airport consider choosing Korean Air (97%), Virgin Atlantic (94%) or Air France (93%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from St. Louis to Detroit Metropolitan Wayne County Airport?

    Looking for the cheapest flight from St. Louis to Detroit Metropolitan Wayne County Airport? While on average our users pay $1,188, our data indicates the cheapest price to be $60. The most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County), is priced around $58.

  • Can I find deals for flights from St. Louis to Detroit that include hotel bookings?

    Yes. In addition to deals on St. Louis to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Detroit?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Detroit.

  • Can I find deals for business class flights from St. Louis to Detroit?

    Yes. Cheapflights offers flight deals from St. Louis to Detroit by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Detroit Metropolitan Wayne County Airport?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $257). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in March is currently the most expensive (average of $305). 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Sterling Heights
Warren
Dearborn
Troy
Novi
Southfield
Clarkston
Plymouth
Romulus
Auburn Hills
Utica
Monroe
Roseville
Wixom
Port Huron
Belleville
Brighton
Livonia
Fremont
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.
Kansas City to Detroit flights
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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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$78FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$149Average$314FlexibilityNo cancel feeOn-time63%
DeltaCheapest$198Average$313FlexibilityNo cancel feeOn-timeN/A

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