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

Frontier, American Airlines, and Spirit Airlines are the most popular carriers operating from Dallas/Fort Worth to Lambert-St Louis

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 42% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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

104 flights are operational weekly from Dallas/Fort Worth Airport to St. Louis as of August 2025. The most popular departure day for this route is Tue, with 30% of flights per week taking off on this day.

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

As of August 2025, there are 14 flights per day flying from Dallas/Fort Worth Airport to St. Louis. The most common time of day flights depart is 6:00PM, with 43% of flights taking off in the afternoon.

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 3 as of August 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.

$49 Cheap Flights from Dallas/Fort Worth Airport to St. Louis in 2025

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:35 pm - 5:27 pmDFW-STL

1h 52mnonstop

7:02 pm - 8:59 pmSTL-DFW

1h 57mnonstop

$98Frontier

Find Deal

Thu, Nov 6 - Sun, Nov 9

8:00 am - 9:54 amDFW-STL

1h 54mnonstop

10:39 am - 12:29 pmSTL-DFW

1h 50mnonstop

$99Frontier

Find Deal

Thu, Oct 2 - Sun, Oct 5

10:25 pm - 9:06 amDFW-STL

10h 41m1 stop

10:39 am - 12:29 pmSTL-DFW

1h 50mnonstop

$100Frontier

Find Deal

Fri, Sep 19 - Sun, Sep 21

8:00 am - 9:54 amDFW-STL

1h 54mnonstop

10:17 am - 12:14 pmSTL-DFW

1h 57mnonstop

$104Frontier

Find Deal

Sun, Oct 5 - Thu, Oct 9

6:00 am - 3:04 pmDFW-STL

9h 04m1 stop

10:39 am - 12:29 pmSTL-DFW

1h 50mnonstop

$105Frontier

Find Deal

Thu, Sep 11 - Sun, Sep 14

6:30 pm - 8:15 pmDFW-STL

1h 45mnonstop

7:16 am - 9:14 amSTL-DFW

1h 58mnonstop

$139American Airlines

Find Deal

Wed, Sep 24 - Wed, Oct 1

9:59 am - 11:51 amDFW-STL

1h 52mnonstop

9:43 am - 11:36 amSTL-DFW

1h 53mnonstop

$141American Airlines

Find Deal

Wed, Oct 8 - Wed, Oct 15

9:07 pm - 10:50 pmDFW-STL

1h 43mnonstop

8:50 am - 10:46 amSTL-DFW

1h 56mnonstop

$149American Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

6:30 pm - 8:15 pmDFW-STL

1h 45mnonstop

8:50 am - 10:46 amSTL-DFW

1h 56mnonstop

$159American Airlines

Find Deal

Tue, Sep 16 - Wed, Sep 17

6:00 am - 3:04 pmDFW-STL

9h 04m1 stop

4:00 pm - 7:26 amSTL-DFW

15h 26m1 stop

$170

Find Deal

Thu, Sep 18 - Sun, Sep 21

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

Nov 6

DFW3:35 pmDallas/Fort Worth

1h 52m

STL5:27 pmLambert-St Louis

Nov 9

STL7:02 pmLambert-St Louis

1h 57m

DFW8:59 pmDallas/Fort Worth

$98

Find similar

Frontier

Oct 2

DFW8:00 amDallas/Fort Worth

1h 54m

STL9:54 amLambert-St Louis

Oct 5

STL10:39 amLambert-St Louis

1h 50m

DFW12:29 pmDallas/Fort Worth

$99

Find similar

Frontier

Sep 19

DFW10:25 pmDallas/Fort Worth

10h 41m

1 stop

STL9:06 amLambert-St Louis

Sep 21

STL10:39 amLambert-St Louis

1h 50m

DFW12:29 pmDallas/Fort Worth

$100

Find similar

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

Sep 24

DFW6:30 pmDallas/Fort Worth

1h 45m

STL8:15 pmLambert-St Louis

Oct 1

STL7:16 amLambert-St Louis

1h 58m

DFW9:14 amDallas/Fort Worth

$139

Find similar

American Airlines

Oct 8

DFW9:59 amDallas/Fort Worth

1h 52m

STL11:51 amLambert-St Louis

Oct 15

STL9:43 amLambert-St Louis

1h 53m

DFW11:36 amDallas/Fort Worth

$141

Find similar

American Airlines

Sep 16

DFW9:07 pmDallas/Fort Worth

1h 43m

STL10:50 pmLambert-St Louis

Sep 23

STL8:50 amLambert-St Louis

1h 56m

DFW10:46 amDallas/Fort Worth

$149

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

Thu 11/6

3:35 pm-5:27 pm

Nonstop1h 52m

Lambert-St Louis

Sun 11/9

7:02 pm-8:59 pm

Nonstop1h 57m

$98

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 10/2

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

Sun 10/5

10:39 am-12:29 pm

Nonstop1h 50m

$99

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 9/19

10:25 pm-9:06 am

1 stop10h 41m

Lambert-St Louis

Sun 9/21

10:39 am-12:29 pm

Nonstop1h 50m

$100

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 10/5

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

Thu 10/9

10:17 am-12:14 pm

Nonstop1h 57m

$104

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 9/11

6:00 am-3:04 pm

1 stop9h 04m

Lambert-St Louis

Sun 9/14

10:39 am-12:29 pm

Nonstop1h 50m

$105

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 9/24

6:30 pm-8:15 pm

Nonstop1h 45m

Lambert-St Louis

Wed 10/1

7:16 am-9:14 am

Nonstop1h 58m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 10/8

9:59 am-11:51 am

Nonstop1h 52m

Lambert-St Louis

Wed 10/15

9:43 am-11:36 am

Nonstop1h 53m

$141

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 9/16

9:07 pm-10:50 pm

Nonstop1h 43m

Lambert-St Louis

Tue 9/23

8:50 am-10:46 am

Nonstop1h 56m

$149

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 9/16

6:30 pm-8:15 pm

Nonstop1h 45m

Lambert-St Louis

Wed 9/17

8:50 am-10:46 am

Nonstop1h 56m

$159

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 9/18

6:00 am-3:04 pm

1 stop9h 04m

Lambert-St Louis

Sun 9/21

4:00 pm-7:26 am

1 stop15h 26m

$170

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, July 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 $234. The month of September 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 $220. 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 Wednesday because tickets tend to average around $335. 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 $268 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 $359 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 $285 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 $232 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?

No. A direct flight is the cheapest option for a flight between Dallas/Fort Worth Airport to St. Louis.

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

As of August 2025, prices for Dallas/Fort Worth Airport to St. Louis flights are approximately 42% 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	$79
Fastest flight time	1h 39m
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 $79. The best round-trip flight deal from Dallas/Fort Worth Airport to St. Louis found on momondo in the last 72 hours is $131.

The fastest flight from Dallas/Fort Worth Airport to St. Louis takes 1h 39m

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

There is 1 airport near St. Louis: 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 43m 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 3 as of August 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 18.90% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 14.84%, Airbus A319 with 13.72%, and Embraer 175 with 10.61%.
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 41% of all bookings. The subsequent popular airlines are Southwest at 33% and Frontier at 26%.

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 $66	Free Cancellation	Rating 5.8 3,200 reviews	Search Frontier flights
American Airlines	PriceFrom $176	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $179	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest 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 $176. Generally, American Airlines has 11 flights on this route every week with an average price of $333. American Airlines is rated 7.2/10 by our users.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

Edwardsville

Eureka

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

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Cheap flights from Dallas/Fort Worth Airport to St. Louis from $49

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

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

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

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

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

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

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?

No. A direct flight is the cheapest option for a flight between Dallas/Fort Worth Airport to St. Louis.

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

As of August 2025, prices for Dallas/Fort Worth Airport to St. Louis flights are approximately 42% 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, American Airlines, and Spirit Airlines are the most popular carriers 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 August 2025, there are 14 flights per day flying from Dallas/Fort Worth Airport to St. Louis. The most common time of day flights depart is 6:00PM, with 43% of flights taking off in the afternoon.

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

104 flights are operational weekly from Dallas/Fort Worth Airport to St. Louis as of August 2025. The most popular departure day for this route is Tue, with 30% 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