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

Currently priced at $183, American Airlines will fly you from St. Louis to Detroit and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $208 and $245, respectively. These flights start at 46% 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 $44 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $86 and American Airlines from $97 one-way.

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

Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County) can be booked for $185 on average our data indicates $1,667 when flying from St. Louis to Detroit.

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

Consider SkyWest Airlines (100%), Aeromexico (100%) or Southwest (96%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Detroit.

What are the most popular airlines that fly from St. Louis to Detroit?

American Airlines, Delta and Frontier are the most popular airlines when flying from St. Louis to Detroit.

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 67% when planning your travel around this day of the week.

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

Find a great deal and save up to 70% by booking at least 55 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Detroit within the next two weeks, with the cheapest ticket starting at $369.

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

Flights from St. Louis to Detroit lean towards being more expensive in July. Prices are generally better when you fly from St. Louis to Detroit in June, with the cheapest ticket starting at $212.

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 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 flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 13 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 29m.

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.

$44+ Flights from St. Louis to Detroit

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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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 All airports are usually found in June or May, booked 63 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from St. Louis to Detroit

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$183 (American Airlines)
One-way from	$44 (FlightHub)
Popular in	July
Cheapest in	June
Average price	$337
Good round-trip deal	$379 or less
Good one-way deal	$196 or less

Provider with most accurate pricing for Lambert-St Louis-Detroit (DTT) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Detroit (DTT) flights.

Search Deals

From Lambert-St Louis to Detroit (DTT)

Search Deals

One-way flight from Lambert-St Louis to Detroit (DTT)

Search Deals

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Lambert-St Louis to Detroit (DTT).

Search Deals

Price to beat on a one-way flight from Lambert-St Louis to Detroit (DTT).

Search Deals

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 March 28, 2025.

Thu 5/155:00 amSTL - DTW

1 stop6h 52mAmerican Airlines

Mon 5/191:26 pmDTW - STL

1 stop9h 26mAmerican Airlines

Deal found 3/26

$183

Thu 5/810:10 amSTL - DTW

1 stop13h 17mSpirit Airlines

Wed 5/142:39 pmDTW - STL

2 stops19h 36mSpirit Airlines

Deal found 3/26

$186

Sat 4/194:57 pmSTL - DTW

1 stop14h 03mFrontier

Sun 4/202:35 pmDTW - STL

1 stop19h 31mFrontier

Deal found 3/26

$198

Thu 5/1510:10 amSTL - DTW

1 stop10h 21mMultiple Airlines

Mon 5/1910:31 amDTW - STL

2 stops9h 10mMultiple Airlines

Deal found 3/27

$233

Sat 4/191:30 pmSTL - DTW

Nonstop1h 30mSouthwest

Sun 4/206:35 pmDTW - STL

Nonstop1h 35mSouthwest

Deal found 3/26

$237

Thu 5/152:15 pmSTL - DTW

Nonstop1h 31mDelta

Mon 5/198:11 pmDTW - STL

Nonstop1h 38mDelta

Deal found 3/26

$245

Sat 5/38:00 amSTL - DTW

2 stops9h 58mUnited Airlines

Sun 5/46:00 amDTW - STL

1 stop6h 03mUnited Airlines

Deal found 3/27

$372

Best flights from St. Louis to Detroit
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 28, 2025.

Mon 4/215:45 amSTL - DTW

1 stop8h 40mAmerican Airlines

Wed 4/236:27 amDTW - STL

1 stop9h 26mAmerican Airlines

Deal found 3/27

$183

Mon 4/74:57 pmSTL - DTW

1 stop14h 03mFrontier

Wed 4/96:09 pmDTW - STL

1 stop6h 37mFrontier

Deal found 3/27

$208

Thu 5/1510:10 amSTL - DTW

1 stop10h 21mMultiple Airlines

Mon 5/1910:31 amDTW - STL

2 stops9h 10mMultiple Airlines

Deal found 3/27

$233

Mon 4/216:50 amSTL - DTW

Nonstop1h 29mDelta

Wed 4/238:46 amDTW - STL

Nonstop1h 42mDelta

Deal found 3/27

$245

Fri 5/97:30 amSTL - DTW

2 stops8h 40mSouthwest

Fri 5/166:05 amDTW - STL

1 stop6h 40mSouthwest

Deal found 3/27

$300

Mon 4/215:35 pmSTL - DTW

1 stop5h 02mUnited Airlines

Wed 4/235:40 amDTW - STL

2 stops10h 02mUnited Airlines

Deal found 3/27

$368

Fri 5/306:52 amSTL - DTW

2 stops21h 22mAlaska Airlines

Wed 6/117:00 amDTW - STL

2 stops26h 05mAlaska Airlines

Deal found 3/27

$1,845

Last-minute flights from St. Louis to Detroit
Discover last-minute flight deals from St. Louis to Detroit. Data last updated March 28, 2025 and is based on user searches.

Tue 4/19:50 amSTL - DTW

3 stops31h 12mMultiple Airlines

Thu 4/39:20 amDTW - STL

2 stops27h 14mMultiple Airlines

Deal found 3/26

$368

Tue 4/16:47 pmSTL - DTW

1 stop21h 00mSpirit Airlines

Wed 4/28:48 pmDTW - STL

1 stop22h 04mSpirit Airlines

Deal found 3/27

$495

Thu 4/37:13 amSTL - DTW

1 stop6h 34mAmerican Airlines

Thu 4/35:49 pmDTW - STL

1 stop5h 55mAmerican Airlines

Deal found 3/25

$553

Fri 4/44:57 pmSTL - DTW

1 stop14h 03mFrontier

Wed 4/96:09 pmDTW - STL

1 stop6h 37mFrontier

Deal found 3/26

$208

Fri 4/412:10 pmSTL - DTW

Nonstop1h 30mSouthwest

Wed 4/911:40 amDTW - STL

Nonstop1h 30mSouthwest

Deal found 3/26

$462

Fri 4/46:50 amSTL - DTW

Nonstop1h 29mDelta

Sun 4/68:46 amDTW - STL

Nonstop1h 42mDelta

Deal found 3/26

$539

Fri 4/45:35 pmSTL - DTW

1 stop3h 42mUnited Airlines

Sun 4/65:40 amDTW - STL

2 stops10h 05mUnited Airlines

Deal found 3/26

$564

Thu 4/106:30 amSTL - DTW

1 stop5h 32mUnited Airlines

Mon 4/149:10 amDTW - STL

1 stop4h 10mUnited Airlines

Deal found 3/26

$459

Tue 4/156:10 pmSTL - DTW

1 stop16h 26mSpirit Airlines

Thu 4/177:04 amDTW - STL

2 stops11h 11mSpirit Airlines

Deal found 3/26

$329

Wed 4/1612:00 pmSTL - DTW

1 stop7h 59mAmerican Airlines

Thu 4/175:25 amDTW - STL

1 stop6h 59mAmerican Airlines

Deal found 3/26

$183

Wed 4/166:50 amSTL - DTW

Nonstop1h 29mDelta

Thu 4/1712:20 pmDTW - STL

Nonstop1h 41mDelta

Deal found 3/26

$245

Sat 4/194:57 pmSTL - DTW

1 stop14h 03mFrontier

Sun 4/202:35 pmDTW - STL

1 stop19h 31mFrontier

Deal found 3/26

$198

One-way flights from St. Louis to Detroit
Search for one-way flight options from St. Louis to Detroit. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Thu 9/48:44 amSTL - DTW

Nonstop1h 37mSpirit Airlines

Deal found 3/28

$44

Sat 5/38:15 pmSTL - DTW

1 stop16h 13mFrontier

Deal found 3/27

$86

Thu 5/155:00 amSTL - DTW

1 stop6h 52mAmerican Airlines

Deal found 3/27

$97

Sun 5/48:00 amSTL - DTW

1 stop23h 43mMultiple Airlines

Deal found 3/27

$117

Tue 5/135:45 pmSTL - DTW

Nonstop1h 32mDelta

Deal found 3/27

$123

Mon 4/285:35 amSTL - DTW

2 stops5h 45mSouthwest

Deal found 3/27

$153

Fri 8/15:30 pmSTL - DTW

1 stop3h 35mUnited Airlines

Deal found 3/26

$160

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 5/15

5:00 am-12:52 pm

1 stop6h 52m

Detroit Metropolitan Wayne County

Mon 5/19

1:26 pm-9:52 pm

1 stop9h 26m

$183

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 5/8

10:10 am-12:27 am

1 stop13h 17m

Detroit Metropolitan Wayne County

Wed 5/14

2:39 pm-9:15 am

2 stops19h 36m

$186

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 4/19

4:57 pm-8:00 am

1 stop14h 03m

Detroit Metropolitan Wayne County

Sun 4/20

2:35 pm-9:06 am

1 stop19h 31m

$198

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 5/15

10:10 am-9:31 pm

1 stop10h 21m

Detroit Metropolitan Wayne County

Mon 5/19

10:31 am-6:41 pm

2 stops9h 10m

$233

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 4/19

1:30 pm-4:00 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sun 4/20

6:35 pm-7:10 pm

Nonstop1h 35m

$237

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 5/15

2:15 pm-4:46 pm

Nonstop1h 31m

Detroit Metropolitan Wayne County

Mon 5/19

8:11 pm-8:49 pm

Nonstop1h 38m

$245

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 5/3

8:00 am-6:58 pm

2 stops9h 58m

Detroit Metropolitan Wayne County

Sun 5/4

6:00 am-11:03 am

1 stop6h 03m

$372

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 5/30

6:52 am-5:14 am

2 stops21h 22m

Detroit Metropolitan Wayne County

Wed 6/11

7:00 am-8:05 am

2 stops26h 05m

$1,845

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 4/29

6:10 pm-8:57 am

1 stop13h 47m

$79

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 4/28

7:35 am-3:25 pm

1 stop6h 50m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 15 results

Compare providers for flights from St. Louis to Detroit

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*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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 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 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?

Booking 63 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?

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?

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. 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

The most flights from STL to DTT are scheduled on a Wednesday (18 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

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

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

See what other customers who have flown with Southwest, Alaska Airlines 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.

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,273 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,798 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,896 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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 13 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 29m.
What are the cheapest airlines flying from St. Louis to Detroit round-trip?
Currently priced at $183, American Airlines will fly you from St. Louis to Detroit and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $208 and $245, respectively. These flights start at 46% 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 $44 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $86 and American Airlines from $97 one-way.
What are the most reliable airlines from St. Louis to Detroit?
Consider SkyWest Airlines (100%), Aeromexico (100%) or Southwest (96%) 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 $118. While the most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County) can be booked for $185 on average our data indicates $1,667 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

Roseville

Port Huron

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Top 4 airlines flying from St. Louis to Detroit

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$140	Average$209	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$201	Average$348	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$238	Average$324	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$246	Average$354	FlexibilityNo cancel fee	On-time63%

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$44+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Detroit with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Detroit All airports are usually found in June or May, booked 63 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from St. Louis to Detroit

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from St. Louis to Detroit

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 28, 2025.

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 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Detroit that are best for you.

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.

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.

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 March 21, 2025.

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

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 March 28, 2025.

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 23, 2025.

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 March 28, 2025.

Rainfall in Detroit by month

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

Temperature in Detroit by month

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

Reviews of airlines servicing Detroit

See what other customers who have flown with Southwest, Alaska Airlines 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.

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?

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

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

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

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

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

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

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

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

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Detroit

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Top 4 airlines flying from St. Louis to Detroit

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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 March 28, 2025.