What is the cheapest airline that flies from Dallas/Fort Worth to Lambert-St Louis?

Frontier is the most popular carrier operating from Dallas/Fort Worth to Lambert-St Louis

How many flights depart from Dallas/Fort Worth Airport to St. Louis on average per day?

As of December 2025, there are 24 flights per day flying from Dallas/Fort Worth Airport to St. Louis. The most common time of day flights depart is 9:00PM, with 44% of flights taking off in the afternoon.

How many flights depart from Dallas/Fort Worth Airport to St. Louis on average per week?

169 flights are operational weekly from Dallas/Fort Worth Airport to St. Louis as of December 2025. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

What airlines fly to St. Louis?

American Airlines, Southwest and Frontier are the top three most popular airlines that fly to St. Louis from Dallas/Fort Worth Airport according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

Prices for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport were last updated today.

How many operators does momondo search for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

The number of operators available for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport is 4 as of December 2025.

How old do you have to be to fly from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dallas/Fort Worth Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$64 Cheap Flights from Dallas/Fort Worth Airport to St. Louis in 2025/26

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7:00 am - 12:50 pm

DFW

STL

5h 50m1 stop

1:54 pm - 9:45 am

STL

DFW

19h 51m1 stop

$186Frontier

Mon, Feb 9 - Mon, Feb 16

3:09 pm - 10:33 pm

DFW

STL

7h 24m1 stop

5:11 pm - 9:06 pm

STL

DFW

27h 55m1 stop

$190Frontier

Sat, Jan 10 - Mon, Jan 12

8:01 pm - 10:27 pm

DFW

STL

26h 26m1 stop

3:49 pm - 7:02 am

STL

DFW

15h 13m2 stops

$192Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

8:01 pm - 10:27 pm

DFW

STL

26h 26m1 stop

3:49 pm - 7:02 am

STL

DFW

15h 13m2 stops

$193Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

9:59 pm - 10:02 am

DFW

STL

12h 03m1 stop

9:46 pm - 11:07 am

STL

DFW

13h 21m1 stop

$197Frontier

Thu, Jan 8 - Sun, Jan 11

10:36 pm - 12:40 pm

DFW

STL

14h 04m1 stop

10:09 pm - 11:06 am

STL

DFW

12h 57m1 stop

$198Frontier

Sat, Jan 17 - Sun, Jan 18

10:36 pm - 2:48 pm

DFW

STL

40h 12m2 stops

5:42 pm - 5:41 pm

STL

DFW

23h 59m1 stop

$200Frontier

Thu, Jan 15 - Tue, Jan 20

8:40 pm - 11:33 pm

DFW

STL

26h 53m2 stops

3:46 pm - 11:07 pm

STL

DFW

7h 21m1 stop

$202Multiple Airlines

Mon, Jan 19 - Sat, Jan 24

8:50 am - 2:46 pm

DFW

STL

5h 56m1 stop

5:42 pm - 12:29 pm

STL

DFW

18h 47m2 stops

$204Frontier

Sat, Jan 24 - Mon, Jan 26

9:45 pm - 11:52 am

DFW

STL

14h 07m1 stop

5:42 pm - 5:41 pm

STL

DFW

23h 59m1 stop

$205Frontier

Thu, Jan 15 - Tue, Jan 20

American Airlines flights from Dallas/Fort Worth Airport to St. Louis

Our best American Airlines deals on Dallas/Fort Worth Airport to St. Louis flight tickets

American Airlines

Dec 31

DFW5:40 pmDallas/Fort Worth

1h 42m

STL7:22 pmLambert-St Louis

Jan 1

STL7:00 amLambert-St Louis

2h 11m

DFW9:11 amDallas/Fort Worth

$205

Find similar

American Airlines

Jan 17

DFW9:19 amDallas/Fort Worth

1h 44m

STL11:03 amLambert-St Louis

Jan 18

STL5:20 pmLambert-St Louis

2h 16m

DFW7:36 pmDallas/Fort Worth

$206

Find similar

American Airlines

Feb 12

DFW5:43 pmDallas/Fort Worth

1h 42m

STL7:25 pmLambert-St Louis

Feb 14

STL9:32 amLambert-St Louis

2h 04m

DFW11:36 amDallas/Fort Worth

$225

Find similar

Frontier flights from Dallas/Fort Worth Airport to St. Louis

Our best Frontier deals on Dallas/Fort Worth Airport to St. Louis flight tickets

Frontier

Feb 9

DFW7:00 amDallas/Fort Worth

5h 50m

1 stop

STL12:50 pmLambert-St Louis

Feb 16

STL1:54 pmLambert-St Louis

19h 51m

1 stop

DFW9:45 amDallas/Fort Worth

$186

Find similar

Frontier

Jan 10

DFW3:09 pmDallas/Fort Worth

7h 24m

1 stop

STL10:33 pmLambert-St Louis

Jan 12

STL5:11 pmLambert-St Louis

27h 55m

1 stop

DFW9:06 pmDallas/Fort Worth

$190

Find similar

Frontier

Jan 8

DFW9:59 pmDallas/Fort Worth

12h 03m

1 stop

STL10:02 amLambert-St Louis

Jan 11

STL9:46 pmLambert-St Louis

13h 21m

1 stop

DFW11:07 amDallas/Fort Worth

$197

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Dallas/Fort Worth Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 2/9

7:00 am-12:50 pm

1 stop5h 50m

Lambert-St Louis

Mon 2/16

1:54 pm-9:45 am

1 stop19h 51m

$186

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 1/10

3:09 pm-10:33 pm

1 stop7h 24m

Lambert-St Louis

Mon 1/12

5:11 pm-9:06 pm

1 stop27h 55m

$190

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 2/9

8:01 pm-10:27 pm

1 stop26h 26m

Lambert-St Louis

Mon 2/16

3:49 pm-7:02 am

2 stops15h 13m

$192

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 2/9

8:01 pm-10:27 pm

1 stop26h 26m

Lambert-St Louis

Mon 2/16

3:49 pm-7:02 am

2 stops15h 13m

$193

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 1/8

9:59 pm-10:02 am

1 stop12h 03m

Lambert-St Louis

Sun 1/11

9:46 pm-11:07 am

1 stop13h 21m

$197

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 1/17

10:36 pm-12:40 pm

1 stop14h 04m

Lambert-St Louis

Sun 1/18

10:09 pm-11:06 am

1 stop12h 57m

$198

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 1/15

10:36 pm-2:48 pm

2 stops40h 12m

Lambert-St Louis

Tue 1/20

5:42 pm-5:41 pm

1 stop23h 59m

$200

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 1/19

8:40 pm-11:33 pm

2 stops26h 53m

Lambert-St Louis

Sat 1/24

3:46 pm-11:07 pm

1 stop7h 21m

$202

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 1/24

8:50 am-2:46 pm

1 stop5h 56m

Lambert-St Louis

Mon 1/26

5:42 pm-12:29 pm

2 stops18h 47m

$204

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 1/15

9:45 pm-11:52 am

1 stop14h 07m

Lambert-St Louis

Tue 1/20

5:42 pm-5:41 pm

1 stop23h 59m

$205

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Dallas/Fort Worth Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

In general, August is the cheapest month to fly from Dallas/Fort Worth Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $230. The month of July is another great option to travel to St. Louis, with average flight prices from Dallas/Fort Worth Airport averaging around $234.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $210. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $469. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Dallas/Fort Worth Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $278 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $366 per ticket.

What is the cheapest Dallas/Fort Worth to Lambert-St Louis flight route?

Fly from Dallas/Fort Worth to Lambert-St Louis for the best Dallas/Fort Worth - Lambert-St Louis flight prices

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

You are more likely to see cheaper flights to St. Louis from Dallas/Fort Worth Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $282 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Dallas/Fort Worth Airport for as low as $222 on momondo.

What cabin class options are available on Dallas/Fort Worth to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Dallas/Fort Worth to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dallas/Fort Worth Airport to St. Louis flights?

You could potentially save up to 16% on your flight if you consider stops on a Dallas/Fort Worth Airport to St. Louis flight.

How have Dallas/Fort Worth Airport to St. Louis flight prices changed over time?

As of December 2025, prices for Dallas/Fort Worth Airport to St. Louis flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Dallas/Fort Worth Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Dallas/Fort Worth Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Dallas/Fort Worth Airport to St. Louis (DFW to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to St. Louis

Best Price Found	$169
Fastest flight time	1h 40m
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Dallas/Fort Worth Airport in the past 72 hours is $169. The best round-trip flight deal from Dallas/Fort Worth Airport to St. Louis found on momondo in the last 72 hours is $252.

The fastest flight from Dallas/Fort Worth Airport to St. Louis takes 1h 40m

Direct flights go from Dallas/Fort Worth Airport to St. Louis every day.

There is 1 airport in St. Louis. From Dallas/Fort Worth Airport there are direct flights to Lambert-St Louis (STL).

Search flight deals

How far is Dallas/Fort Worth to Lambert-St Louis by plane?
The distance between Dallas/Fort Worth and Lambert-St Louis is about 550.5 mi. Typically, this will take 1h 40m by plane in normal conditions.
When did momondo last update prices for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport?
Prices for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport?
The number of operators available for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport is 4 as of December 2025.
How old do you have to be to fly from Dallas/Fort Worth Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dallas/Fort Worth Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dallas/Fort Worth Airport to St. Louis?
Based on momondo bookings for flights between Dallas/Fort Worth Airport and St. Louis, the leading plane model is Boeing 737-800, making up 15.87% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 14.39%, Boeing 737-700 Passenger/BBJ1 (winglets) with 11.99%, and Embraer 175 with 11.07%.
What is the most popular airline from Dallas/Fort Worth Airport to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Dallas/Fort Worth Airport to St. Louis is American Airlines, representing 39% of all bookings. The subsequent popular airlines are Southwest at 34%, Frontier at 25%, and JetBlue at 1%.

Best airlines flying from Dallas/Fort Worth Airport to St. Louis

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $82	Free Cancellation	Rating 5.8 3,070 reviews	Search Frontier flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.2 11,067 reviews	Search American Airlines flights
Southwest	PriceFrom $177	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights
JetBlue	PriceFrom $243	Free Cancellation	Rating 7.2 2,900 reviews	Search JetBlue flights

American Airlines Flights From Dallas/Fort Worth Airport to St. Louis
The lowest priced American Airlines flight from Dallas/Fort Worth Airport to St. Louis from the last 72 hours was $174. Generally, American Airlines has 28 flights on this route every week with an average price of $335. American Airlines is rated 7.2/10 by our users.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

St. Peters

Wentzville

Collinsville

Alton

Farmington

Clayton

Festus

Glencoe

Eureka

Edwardsville

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Dallas to St. Louis?

It is quick and easy to find Dallas to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Dallas to St. Louis with flexible booking policies on momondo?

Flights from Dallas to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Dallas to St. Louis?

Once you have performed a search for Dallas to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Dallas to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Dallas to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Dallas/Fort Worth Airport to St. Louis from $64

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Find the cheapest flights from Dallas/Fort Worth Airport to St. Louis

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American Airlines flights from Dallas/Fort Worth Airport to St. Louis

Our best American Airlines deals on Dallas/Fort Worth Airport to St. Louis flight tickets

Frontier flights from Dallas/Fort Worth Airport to St. Louis

Our best Frontier deals on Dallas/Fort Worth Airport to St. Louis flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Dallas/Fort Worth Airport to St. Louis that are best for you.

See travel insights to St. Louis from

How to get the cheapest flight ticket from Dallas/Fort Worth Airport to St. Louis

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

What is the cheapest day to depart on your flight to St. Louis?

What is the cheapest time of day to depart on your flight to St. Louis?

What is the cheapest Dallas/Fort Worth to Lambert-St Louis flight route?

Fly from Dallas/Fort Worth to Lambert-St Louis for the best Dallas/Fort Worth - Lambert-St Louis flight prices

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

What cabin class options are available on Dallas/Fort Worth to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Dallas/Fort Worth to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dallas/Fort Worth Airport to St. Louis flights?

You could potentially save up to 16% on your flight if you consider stops on a Dallas/Fort Worth Airport to St. Louis flight.

How have Dallas/Fort Worth Airport to St. Louis flight prices changed over time?

As of December 2025, prices for Dallas/Fort Worth Airport to St. Louis flights are approximately 13% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Dallas/Fort Worth to Lambert-St Louis?

Frontier is the most popular carrier operating from Dallas/Fort Worth to Lambert-St Louis

What airlines fly to St. Louis?

How many flights depart from Dallas/Fort Worth Airport to St. Louis on average per day?

As of December 2025, there are 24 flights per day flying from Dallas/Fort Worth Airport to St. Louis. The most common time of day flights depart is 9:00PM, with 44% of flights taking off in the afternoon.

How many flights depart from Dallas/Fort Worth Airport to St. Louis on average per week?

169 flights are operational weekly from Dallas/Fort Worth Airport to St. Louis as of December 2025. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

When to book flights from Dallas/Fort Worth Airport to St. Louis

Cheap Dallas/Fort Worth Airport to St. Louis (DFW to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to St. Louis

Best Price Found

Fastest flight time

Direct flights

Airports in St. Louis

How far is Dallas/Fort Worth to Lambert-St Louis by plane?

When did momondo last update prices for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

How many operators does momondo search for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

How old do you have to be to fly from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

What documentation or ID do you need to fly to Lambert-St Louis Airport?

What is the most popular plane model from Dallas/Fort Worth Airport to St. Louis?

What is the most popular airline from Dallas/Fort Worth Airport to St. Louis?

Best airlines flying from Dallas/Fort Worth Airport to St. Louis

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to St. Louis with momondo

American Airlines Flights From Dallas/Fort Worth Airport to St. Louis

Traveling to a place near St. Louis?

Why use momondo?

Why should I use momondo to find a flight deal from Dallas to St. Louis?

Can I find flights from Dallas to St. Louis with flexible booking policies on momondo?

How can momondo help me find flights from Dallas to St. Louis?

I’m not ready to book a flight from Dallas to St. Louis right now. Can momondo alert me if prices change?

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri