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$58+ Cheap flights from St. Louis to Detroit (STL - DTT)

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTT
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Detroit All airports are usually found in June or May, booked 45 days in advance, depart on a Friday or Thursday and return on a Thursday

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 (DTT). 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$118
(FlightHub)

One-way from

$58
(FlightHub)

Popular in

April

Cheapest in

June

Average price

$485

Good round-trip deal

$330 or less

Good one-way deal

$160 or less
Provider with most accurate pricing for Lambert-St Louis-Detroit (DTT) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Detroit (DTT) flights.
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From Lambert-St Louis to Detroit (DTT)
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One-way flight from Lambert-St Louis to Detroit (DTT)
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Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Detroit (DTT).
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Price to beat on a one-way flight from Lambert-St Louis to Detroit (DTT).
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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 April 30, 2025.

This FlightHub deal was found by Cheapflights users on 4/29. 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 10/178:44 amSTL - DTW
Nonstop1h 37mSpirit Airlines
Mon 10/207:00 amDTW - STL
Nonstop1h 49mSpirit Airlines
Deal found 4/29$98
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/78:35 pmSTL - DTW
Nonstop1h 30mSouthwest
Wed 7/97:00 amDTW - STL
Nonstop1h 35mSouthwest
Deal found 4/29$160
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:47 pmSTL - DTW
1 stop17h 35mMultiple Airlines
Sun 6/224:33 pmDTW - STL
Nonstop1h 31mMultiple Airlines
Deal found 4/29$172
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:45 pmSTL - DTW
1 stop14h 07mFrontier
Sun 5/1812:54 pmDTW - STL
1 stop12h 12mFrontier
Deal found 4/29$190
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/297:10 amSTL - DTW
1 stop6h 34mAmerican Airlines
Thu 5/295:16 pmDTW - STL
1 stop5h 10mAmerican Airlines
Deal found 4/29$193
This Delta deal was found by Cheapflights users on 4/29. 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 6/1410:30 amSTL - DTW
Nonstop1h 38mDelta
Sat 6/217:50 pmDTW - STL
Nonstop1h 40mDelta
Deal found 4/29$199
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/285:27 pmSTL - DTW
1 stop3h 41mUnited Airlines
Tue 6/32:30 pmDTW - STL
2 stops7h 45mUnited Airlines
Deal found 4/28$263
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:32 pmSTL - DTW
2 stops19h 48mAlaska Airlines
Sat 6/217:20 amDTW - STL
2 stops17h 39mAlaska Airlines
Deal found 4/29$938

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 April 30, 2025.
Use the filters below to find and compare flights from St. Louis to Detroit 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 6/13

6:12 pm-8:40 pm

Nonstop1h 28m

Detroit Metropolitan Wayne County

Sun 6/15

4:33 pm-5:04 pm

Nonstop1h 31m

$118

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 7/7

8:35 pm-11:05 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Wed 7/9

7:00 am-7:35 am

Nonstop1h 35m

$160

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 6/18

5:47 pm-12:22 pm

1 stop17h 35m

Detroit Metropolitan Wayne County

Sun 6/22

4:33 pm-5:04 pm

Nonstop1h 31m

$172

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 5/14

5:45 pm-8:52 am

1 stop14h 07m

Detroit Metropolitan Wayne County

Sun 5/18

12:54 pm-12:06 am

1 stop12h 12m

$190

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 5/29

7:10 am-2:44 pm

1 stop6h 34m

Detroit Metropolitan Wayne County

Thu 5/29

5:16 pm-9:26 pm

1 stop5h 10m

$193

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 6/14

10:30 am-1:08 pm

Nonstop1h 38m

Detroit Metropolitan Wayne County

Sat 6/21

7:50 pm-8:30 pm

Nonstop1h 40m

$199

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 5/28

5:27 pm-10:08 pm

1 stop3h 41m

Detroit Metropolitan Wayne County

Tue 6/3

2:30 pm-9:15 pm

2 stops7h 45m

$263

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 6/14

7:32 pm-4:20 pm

2 stops19h 48m

Detroit Metropolitan Wayne County

Sat 6/21

7:20 am-11:59 pm

2 stops17h 39m

$938

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 6/12

6:12 pm-8:40 pm

Nonstop1h 28m

$58

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 5/28

5:45 pm-11:46 am

1 stop17h 01m

$96

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Detroit 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Detroit flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Detroit flights, Cheapflights users trust eDreams the most. eDreams 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 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.
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

How far ahead should I book a flight from St. Louis to Detroit?

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 April 25, 2025.

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Detroit. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from St. Louis to Detroit?

Currently, April is the cheapest month in which you can book a flight from St. Louis to Detroit (average of $257). Flying from St. Louis to Detroit 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 DTT?

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 April 30, 2025.

One of the essential ways to save on airfare from St. Louis to Detroit is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 71% on airfare.

What is the cheapest day to fly from St. Louis to Detroit?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Detroit. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their St. Louis to Detroit flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Detroit

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 April 30, 2025.

The most flights from STL to DTT are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Detroit by month

Plan your trip to Detroit by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Detroit ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit when rainfall is around 1.8 in.

Temperature in Detroit by month

Plan your trip to Detroit by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Detroit, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 April 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from St. Louis to Detroit have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    You will need to book a flight from Lambert-St Louis to Detroit All airports if you want to fly from St. Louis to Detroit. At least 4 different airlines have flights from Lambert-St Louis (STL) to All airports (DTT) on a regular basis. There are 14 flights to Detroit from the St. Louis airport per day. If you manage to book one that is nonstop, then you can expect the flight time from STL to DTT to be around 1h 28m.

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

    Currently priced at $118, Spirit Airlines will fly you from St. Louis to Detroit and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Frontier - these airlines can fly you to your destination from $160 and $190, respectively. These flights start at 65% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $58 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $96 and American Airlines from $100 one-way.

  • What are the most reliable airlines from St. Louis to Detroit?

    Consider Aeromexico (100%), Korean Air (92%) or SkyWest Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Detroit.

  • What are the cheapest flights from St. Louis to Detroit?

    Looking at all options, your cheapest flight can be booked for $110. While the most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County) can be booked for $98 on average our data indicates $1,196 when flying from St. Louis to Detroit.

  • 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?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Detroit (average of $257). Flying from St. Louis to Detroit 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
Port Huron
Roseville

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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.
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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$209FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$201Average$348FlexibilityNo cancel feeOn-time71%
DeltaCheapest$238Average$322FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$246Average$345FlexibilityNo cancel feeOn-time63%

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