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

Currently priced at $138, 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 Frontier and American Airlines - these airlines can fly you to your destination from $162 and $183, respectively. These flights start at 60% 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 $68 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $87 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 $138 on average our data indicates $916 when flying from St. Louis to Detroit.

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 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 66% 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 79% by booking at least 46 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 $398.

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

Flights from St. Louis to Detroit lean towards being more expensive in April. Prices are generally better when you fly from St. Louis to Detroit in June, with the cheapest ticket starting at $210.

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.

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 28m.

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.

$68+ Flights from St. Louis to Detroit

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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 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

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$138 (FlightHub)
One-way from	$68 (FlightHub)
Popular in	April
Cheapest in	June
Average price	$481
Good round-trip deal	$325 or less
Good one-way deal	$179 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

Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 17, 2025.

Fri 8/158:44 amSTL - DTW

Nonstop1h 37mSpirit Airlines

Sun 8/177:00 amDTW - STL

Nonstop1h 49mSpirit Airlines

Deal found 4/17

$138

Fri 5/95:55 pmSTL - DTW

1 stop23h 05mFrontier

Fri 5/162:28 pmDTW - STL

1 stop20h 31mFrontier

Deal found 4/17

$162

Tue 7/157:23 amSTL - DTW

1 stop8h 14mAmerican Airlines

Tue 7/225:10 pmDTW - STL

1 stop7h 39mAmerican Airlines

Deal found 4/16

$183

Mon 6/97:00 amSTL - DTW

1 stop9h 10mMultiple Airlines

Thu 6/124:33 pmDTW - STL

Nonstop1h 31mMultiple Airlines

Deal found 4/17

$190

Sat 7/125:45 pmSTL - DTW

Nonstop1h 34mDelta

Thu 7/1712:40 pmDTW - STL

Nonstop1h 36mDelta

Deal found 4/16

$199

Mon 6/168:35 pmSTL - DTW

Nonstop1h 30mSouthwest

Sat 7/126:50 amDTW - STL

1 stop3h 40mSouthwest

Deal found 4/16

$209

Wed 7/168:00 amSTL - DTW

1 stop4h 14mUnited Airlines

Tue 7/226:15 pmDTW - STL

1 stop5h 30mUnited Airlines

Deal found 4/16

$307

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 April 17, 2025.

Sun 7/138:44 amSTL - DTW

Nonstop1h 37mSpirit Airlines

Thu 7/177:00 amDTW - STL

Nonstop1h 49mSpirit Airlines

Deal found 4/16

$138

Fri 5/95:55 pmSTL - DTW

1 stop23h 05mFrontier

Fri 5/162:28 pmDTW - STL

1 stop20h 31mFrontier

Deal found 4/17

$162

Tue 7/157:23 amSTL - DTW

1 stop8h 14mAmerican Airlines

Tue 7/225:10 pmDTW - STL

1 stop7h 39mAmerican Airlines

Deal found 4/16

$183

Mon 6/97:00 amSTL - DTW

1 stop9h 10mMultiple Airlines

Thu 6/124:33 pmDTW - STL

Nonstop1h 31mMultiple Airlines

Deal found 4/17

$190

Sat 7/125:45 pmSTL - DTW

Nonstop1h 34mDelta

Thu 7/1712:40 pmDTW - STL

Nonstop1h 36mDelta

Deal found 4/16

$199

Mon 6/168:35 pmSTL - DTW

Nonstop1h 30mSouthwest

Sat 7/126:50 amDTW - STL

1 stop3h 40mSouthwest

Deal found 4/16

$209

Wed 7/168:00 amSTL - DTW

1 stop4h 14mUnited Airlines

Tue 7/226:15 pmDTW - STL

1 stop5h 30mUnited Airlines

Deal found 4/16

$307

Last-minute flights from St. Louis to Detroit
Discover last-minute flight deals from St. Louis to Detroit. Data last updated April 17, 2025 and is based on user searches.

Tue 4/226:10 pmSTL - DTW

2 stops17h 51mSpirit Airlines

Sat 4/2610:05 pmDTW - STL

2 stops20h 10mSpirit Airlines

Deal found 4/16

$463

Tue 4/228:10 amSTL - DTW

Nonstop1h 30mSouthwest

Wed 4/2311:40 amDTW - STL

Nonstop1h 30mSouthwest

Deal found 4/16

$530

Tue 4/228:00 amSTL - DTW

1 stop4h 07mUnited Airlines

Wed 4/239:10 amDTW - STL

1 stop6h 32mUnited Airlines

Deal found 4/16

$543

Fri 4/259:50 amSTL - DTW

2 stops14h 27mMultiple Airlines

Sun 4/271:06 pmDTW - STL

3 stops30h 35mMultiple Airlines

Deal found 4/17

$588

Sat 4/266:58 pmSTL - DTW

1 stop17h 41mFrontier

Fri 5/22:33 pmDTW - STL

1 stop20h 26mFrontier

Deal found 4/16

$189

Sat 4/266:50 amSTL - DTW

Nonstop1h 29mDelta

Fri 5/28:55 pmDTW - STL

Nonstop1h 41mDelta

Deal found 4/16

$462

Thu 5/16:10 pmSTL - DTW

2 stops17h 51mSpirit Airlines

Sat 5/31:22 pmDTW - STL

1 stop28h 53mSpirit Airlines

Deal found 4/16

$302

Fri 5/95:55 pmSTL - DTW

1 stop23h 05mFrontier

Fri 5/162:28 pmDTW - STL

1 stop20h 31mFrontier

Deal found 4/17

$162

Fri 5/95:35 amSTL - DTW

1 stop3h 25mSouthwest

Sun 5/116:35 pmDTW - STL

Nonstop1h 35mSouthwest

Deal found 4/16

$254

Wed 5/142:15 pmSTL - DTW

Nonstop1h 31mDelta

Mon 5/198:11 pmDTW - STL

Nonstop1h 38mDelta

Deal found 4/16

$231

Thu 5/1510:10 amSTL - DTW

2 stops12h 10mMultiple Airlines

Sun 5/1810:31 amDTW - STL

2 stops9h 10mMultiple Airlines

Deal found 4/16

$256

Sat 5/245:33 pmSTL - DTW

1 stop5h 04mUnited Airlines

Mon 5/266:00 amDTW - STL

1 stop10h 30mUnited Airlines

Deal found 4/16

$315

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 April 17, 2025.

Thu 6/126:12 pmSTL - DTW

Nonstop1h 28mSpirit Airlines

Deal found 4/16

$68

Wed 5/215:45 pmSTL - DTW

1 stop17h 01mFrontier

Deal found 4/17

$87

Tue 5/206:00 amSTL - DTW

1 stop10h 18mAmerican Airlines

Deal found 4/17

$97

Sat 6/216:40 amSTL - DTW

Nonstop1h 37mDelta

Deal found 4/15

$100

Sun 6/228:25 pmSTL - DTW

1 stop3h 30mSouthwest

Deal found 4/15

$110

Sun 5/187:30 amSTL - DTW

1 stop8h 40mMultiple Airlines

Deal found 4/16

$112

Sat 5/245:33 pmSTL - DTW

1 stop5h 04mUnited Airlines

Deal found 4/16

$119

Sat 5/316:22 pmSTL - DTW

2 stops14h 30mAlaska Airlines

Deal found 4/16

$432

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

Sun 7/13

8:44 am-11:21 am

Nonstop1h 37m

Detroit Metropolitan Wayne County

Thu 7/17

7:00 am-7:49 am

Nonstop1h 49m

$138

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 5/9

5:55 pm-6:00 pm

1 stop23h 05m

Detroit Metropolitan Wayne County

Fri 5/16

2:28 pm-9:59 am

1 stop20h 31m

$162

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 7/15

7:23 am-4:37 pm

1 stop8h 14m

Detroit Metropolitan Wayne County

Tue 7/22

5:10 pm-11:49 pm

1 stop7h 39m

$183

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 6/9

7:00 am-5:10 pm

1 stop9h 10m

Detroit Metropolitan Wayne County

Thu 6/12

4:33 pm-5:04 pm

Nonstop1h 31m

$190

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 7/12

5:45 pm-8:19 pm

Nonstop1h 34m

Detroit Metropolitan Wayne County

Thu 7/17

12:40 pm-1:16 pm

Nonstop1h 36m

$199

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 6/16

8:35 pm-11:05 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sat 7/12

6:50 am-9:30 am

1 stop3h 40m

$209

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 7/16

8:00 am-1:14 pm

1 stop4h 14m

Detroit Metropolitan Wayne County

Tue 7/22

6:15 pm-10:45 pm

1 stop5h 30m

$307

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 6/12

6:12 pm-8:40 pm

Nonstop1h 28m

$68

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 5/21

5:45 pm-11:46 am

1 stop17h 01m

$87

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 5/20

6:00 am-5:18 pm

1 stop10h 18m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	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 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?

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?

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. 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

The most flights from STL to DTT are scheduled on a Tuesday (15 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 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

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,280 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 28m.
What are the cheapest airlines flying from St. Louis to Detroit round-trip?
Currently priced at $138, 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 Frontier and American Airlines - these airlines can fly you to your destination from $162 and $183, respectively. These flights start at 60% 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 $68 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $87 and American Airlines from $97 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 $118. While the most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County) can be booked for $138 on average our data indicates $916 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

Port Huron

Roseville

Browse thousands of different options on Cheapflights for your next trip

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$239	Average$321	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$246	Average$356	FlexibilityNo cancel fee	On-time63%

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$68+ 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.

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 45 days in advance, depart on a Friday or Thursday and return on a Thursday

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 April 17, 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 April 17, 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 April.

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 April 11, 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 April 17, 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 30, 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 April 17, 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 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.

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?

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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.

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 April 17, 2025.