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 according to our data. American Airlines is the first choice among our users, with 39% 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.

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

Frontier, Southwest, and Delta are the most popular carriers operating from Dallas to Lambert-St Louis

How many flights depart from Dallas to St. Louis on average per week?

As of February 2026, there are 152 flights per week flying from Dallas to St. Louis. The most common day of the week flights depart is Tue, with 22% of flights taking off on this day.

How many flights depart from Dallas to St. Louis on average per day?

The number of flights available between Dallas and St. Louis is 21 per day as of February 2026. The most frequent departure time is 5:00PM, with 55% of daily flights leaving in the afternoon.

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

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

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

As of February 2026, there are 4 operators available to choose from for flights from Dallas to Lambert-St Louis Airport.

How old do you have to be to fly from Dallas 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 to Lambert-St Louis Airport.

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

The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$63 Cheap Flights from Dallas to St. Louis in 2026

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Find the cheapest flights from Dallas to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:55 am - 3:53 pm

DFW

STL

5h 58m

1 stop

11:32 am - 5:08 pm

STL

DFW

5h 36m

1 stop

$131Frontier

Wed, Mar 4 - Wed, Mar 11

5:45 am - 1:56 pm

DFW

STL

8h 11m

1 stop

4:51 pm - 11:05 pm

STL

DFW

6h 14m

1 stop

$138Frontier

Sat, Feb 21 - Wed, Feb 25

7:00 am - 1:09 pm

DFW

STL

6h 09m

1 stop

3:49 pm - 4:24 pm

STL

DFW

24h 35m

1 stop

$143Frontier

Mon, Mar 2 - Tue, Mar 3

9:00 am - 10:27 pm

DFW

STL

13h 27m

1 stop

8:06 pm - 5:47 am

STL

DFW

9h 41m

1 stop

$144Frontier

Wed, Mar 4 - Tue, Mar 10

5:45 pm - 6:51 am

DFW

STL

13h 06m

1 stop

4:51 pm - 3:29 pm

STL

DFW

22h 38m

1 stop

$146Frontier

Tue, Mar 3 - Tue, Mar 10

8:40 pm - 6:51 am

DFW

STL

10h 11m

1 stop

4:51 pm - 9:00 pm

STL

DFW

28h 09m

1 stop

$147Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

6:35 am - 8:15 am

DAL

STL

1h 40mnonstop

2:15 pm - 4:05 pm

STL

DAL

1h 50mnonstop

$238Southwest

Tue, Mar 3 - Tue, Mar 10

1:45 pm - 4:50 pm

DAL

STL

3h 05m

1 stop

2:15 pm - 4:05 pm

STL

DAL

1h 50mnonstop

$244Southwest

Tue, Mar 3 - Tue, Mar 10

9:25 pm - 11:05 pm

DAL

STL

1h 40mnonstop

9:40 pm - 11:30 pm

STL

DAL

1h 50mnonstop

$245Southwest

Sat, Mar 14 - Sat, Mar 21

1:45 pm - 4:50 pm

DAL

STL

3h 05m

1 stop

6:30 pm - 11:10 pm

STL

DAL

4h 40m

1 stop

$253Southwest

Tue, Mar 3 - Thu, Mar 5

Frontier flights from Dallas to St. Louis

Our best Frontier deals on Dallas to St. Louis flight tickets

Frontier

Mar 4

DFW9:55 amDallas/Fort Worth

5h 58m

1 stop

STL3:53 pmLambert-St Louis

Mar 11

STL11:32 amLambert-St Louis

5h 36m

1 stop

DFW5:08 pmDallas/Fort Worth

$131

Frontier

Feb 21

DFW5:45 amDallas/Fort Worth

8h 11m

1 stop

STL1:56 pmLambert-St Louis

Feb 25

STL4:51 pmLambert-St Louis

6h 14m

1 stop

DFW11:05 pmDallas/Fort Worth

$138

Frontier

Mar 2

DFW7:00 amDallas/Fort Worth

6h 09m

1 stop

STL1:09 pmLambert-St Louis

Mar 3

STL3:49 pmLambert-St Louis

24h 35m

1 stop

DFW4:24 pmDallas/Fort Worth

$143

Southwest flights from Dallas to St. Louis

Our best Southwest deals on Dallas to St. Louis flight tickets

Southwest

Mar 3

DAL6:35 amDallas Love Field

1h 40m

STL8:15 amLambert-St Louis

Mar 10

STL2:15 pmLambert-St Louis

1h 50m

DAL4:05 pmDallas Love Field

$238

Southwest

Mar 3

DAL1:45 pmDallas Love Field

3h 05m

1 stop

STL4:50 pmLambert-St Louis

Mar 10

STL2:15 pmLambert-St Louis

1h 50m

DAL4:05 pmDallas Love Field

$244

Southwest

Mar 14

DAL9:25 pmDallas Love Field

1h 40m

STL11:05 pmLambert-St Louis

Mar 18

STL8:50 pmLambert-St Louis

1h 50m

DAL10:40 pmDallas Love Field

$245

Fly from

Fly to

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 3/4

9:55 am-3:53 pm

1 stop5h 58m

Lambert-St Louis

Wed 3/11

11:32 am-5:08 pm

1 stop5h 36m

$131

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 2/21

5:45 am-1:56 pm

1 stop8h 11m

Lambert-St Louis

Wed 2/25

4:51 pm-11:05 pm

1 stop6h 14m

$138

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 3/2

7:00 am-1:09 pm

1 stop6h 09m

Lambert-St Louis

Tue 3/3

3:49 pm-4:24 pm

1 stop24h 35m

$143

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 3/4

9:00 am-10:27 pm

1 stop13h 27m

Lambert-St Louis

Tue 3/10

8:06 pm-5:47 am

1 stop9h 41m

$144

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 3/3

5:45 pm-6:51 am

1 stop13h 06m

Lambert-St Louis

Tue 3/10

4:51 pm-3:29 pm

1 stop22h 38m

$146

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 3/3

8:40 pm-6:51 am

1 stop10h 11m

Lambert-St Louis

Tue 3/10

4:51 pm-9:00 pm

1 stop28h 09m

$147

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Tue 3/3

6:35 am-8:15 am

Nonstop1h 40m

Lambert-St Louis

Tue 3/10

2:15 pm-4:05 pm

Nonstop1h 50m

$238

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Tue 3/3

1:45 pm-4:50 pm

1 stop3h 05m

Lambert-St Louis

Tue 3/10

2:15 pm-4:05 pm

Nonstop1h 50m

$244

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Sat 3/14

9:25 pm-11:05 pm

Nonstop1h 40m

Lambert-St Louis

Sat 3/21

9:40 pm-11:30 pm

Nonstop1h 50m

$245

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Tue 3/3

1:45 pm-4:50 pm

1 stop3h 05m

Lambert-St Louis

Thu 3/5

6:30 pm-11:10 pm

1 stop4h 40m

$253

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 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 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 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 $208. 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $280 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 $376 per ticket.

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

Fly from Dallas/Fort Worth to Lambert-St Louis for the best Dallas - 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 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 for as low as $222 on momondo.

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

There are 3 cabin classes available to choose from on Dallas 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.

Cheap Dallas to St. Louis flight deals and tips

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

Fastest flight time	1h 40m
Direct flights	Every day
Airports in St. Louis	1 airport

The fastest flight from Dallas to St. Louis takes 1h 40m

Direct flights go from Dallas to St. Louis every day.

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

Search flight deals

How far is Dallas to Lambert-St Louis by plane?
The straight-line distance from Dallas to Lambert-St Louis is 547.5 mi. Typically, this will take 1h 40m by plane in normal conditions.
When did momondo last update prices for flights from Dallas to Lambert-St Louis Airport?
Prices for flights from Dallas to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Dallas to Lambert-St Louis Airport?
As of February 2026, there are 4 operators available to choose from for flights from Dallas to Lambert-St Louis Airport.
How old do you have to be to fly from Dallas 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 to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Dallas to St. Louis

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $79	Free Cancellation	Rating 5.7 3,051 reviews	Search Frontier flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.2 11,212 reviews	Search American Airlines flights
Southwest	PriceFrom $176	Free Cancellation	Rating 8.0 4,271 reviews	Search Southwest flights
JetBlue	PriceFrom $243	Free Cancellation	Rating 7.2 2,892 reviews	Search JetBlue flights

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dallas to St. Louis for 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?

momondo provides multiple filters to help you find the best flight to St. Louis from Dallas. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Dallas to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.