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

13 flights are operational daily from St. Louis to Dallas as of February 2026. The most popular departure time for this route is 5:00PM, with 58% of flights per day taking off at noon.

What airlines fly to Dallas?

American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Dallas from St. Louis according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Dallas. Keep in mind that there are 5 different airlines that fly to Dallas on a routine basis, so you have a few additional options to choose from.

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

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

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

96 flights are operational weekly from St. Louis to Dallas as of February 2026. The most popular departure day for this route is Wed, with 43% of flights per week taking off on this day.

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

Prices for flights from Lambert-St Louis Airport to Dallas refresh daily.

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

There are 5 operators available for flights from Lambert-St Louis Airport to Dallas as of February 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Dallas.

What documentation or ID do you need to fly to Dallas?

The required travel and health documents for your Dallas 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 Dallas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$59 Cheap Flights from St. Louis to Dallas in 2026

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Find the cheapest flights from St. Louis to Dallas

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:46 am - 1:45 pm

STL

DFW

1h 59mnonstop

3:26 pm - 5:13 pm

DFW

STL

1h 47mnonstop

$238American Airlines

Wed, Mar 11 - Sat, Mar 14

4:35 pm - 6:25 pm

STL

DAL

1h 50mnonstop

7:45 am - 9:30 am

DAL

STL

1h 45mnonstop

$238Southwest

Wed, Apr 8 - Mon, Apr 13

4:21 pm - 6:02 am

STL

DFW

13h 41m

2 stops

2:24 pm - 11:19 pm

DFW

STL

8h 55m

1 stop

$239Multiple Airlines

Sat, Mar 7 - Wed, Mar 11

1:09 pm - 11:01 pm

STL

DFW

9h 52m

1 stop

10:03 am - 11:19 pm

DFW

STL

13h 16m

2 stops

$240Frontier

Fri, Mar 6 - Thu, Mar 12

8:12 pm - 11:10 am

STL

DFW

14h 58m

1 stop

5:45 am - 9:49 am

DFW

STL

28h 04m

1 stop

$241Frontier

Fri, Mar 6 - Sun, Mar 15

8:50 pm - 10:40 pm

STL

DAL

1h 50mnonstop

9:15 am - 2:30 pm

DAL

STL

5h 15m

1 stop

$241Southwest

Wed, Mar 11 - Wed, Mar 18

8:16 pm - 7:54 am

STL

DFW

11h 38m

2 stops

5:45 am - 7:12 pm

DFW

STL

13h 27m

1 stop

$242Multiple Airlines

Sat, Apr 4 - Mon, Apr 27

8:12 pm - 1:28 pm

STL

DFW

17h 16m

1 stop

1:26 pm - 7:51 am

DFW

STL

18h 25m

1 stop

$243Frontier

Fri, Mar 27 - Fri, Apr 3

6:00 am - 2:26 pm

STL

DFW

8h 26m

1 stop

2:10 pm - 3:57 pm

DFW

STL

1h 47mnonstop

$244American Airlines

Wed, Mar 11 - Sat, Mar 14

5:20 am - 7:22 am

STL

DFW

2h 02mnonstop

3:35 pm - 5:21 pm

DFW

STL

1h 46mnonstop

$245American Airlines

Thu, Apr 23 - Mon, Apr 27

American Airlines flights from St. Louis to Dallas

Our best American Airlines deals on St. Louis to Dallas flight tickets

American Airlines

Mar 11

STL11:46 amLambert-St Louis

1h 59m

DFW1:45 pmDallas/Fort Worth

Mar 14

DFW3:26 pmDallas/Fort Worth

1h 47m

STL5:13 pmLambert-St Louis

$238

American Airlines

Mar 11

STL6:00 amLambert-St Louis

8h 26m

1 stop

DFW2:26 pmDallas/Fort Worth

Mar 14

DFW2:10 pmDallas/Fort Worth

1h 47m

STL3:57 pmLambert-St Louis

$244

American Airlines

Mar 26

STL7:00 amLambert-St Louis

2h 12m

DFW9:12 amDallas/Fort Worth

Apr 2

DFW5:43 pmDallas/Fort Worth

1h 46m

STL7:29 pmLambert-St Louis

$245

Frontier flights from St. Louis to Dallas

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

Frontier

Mar 6

STL1:09 pmLambert-St Louis

9h 52m

1 stop

DFW11:01 pmDallas/Fort Worth

Mar 12

DFW10:03 amDallas/Fort Worth

13h 16m

2 stops

STL11:19 pmLambert-St Louis

$240

Frontier

Feb 18

STL4:51 pmLambert-St Louis

26h 08m

1 stop

DFW6:59 pmDallas/Fort Worth

Mar 18

DFW10:41 pmDallas/Fort Worth

20h 30m

1 stop

STL7:11 pmLambert-St Louis

$241

Frontier

Mar 27

STL8:12 pmLambert-St Louis

17h 16m

1 stop

DFW1:28 pmDallas/Fort Worth

Apr 3

DFW1:26 pmDallas/Fort Worth

18h 25m

1 stop

STL7:51 amLambert-St Louis

$243

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 3/11

11:46 am-1:45 pm

Nonstop1h 59m

Dallas/Fort Worth

Sat 3/14

3:26 pm-5:13 pm

Nonstop1h 47m

$238

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Wed 4/8

4:35 pm-6:25 pm

Nonstop1h 50m

Dallas Love Field

Mon 4/13

7:45 am-9:30 am

Nonstop1h 45m

$238

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 3/7

4:21 pm-6:02 am

2 stops13h 41m

Dallas/Fort Worth

Wed 3/11

2:24 pm-11:19 pm

1 stop8h 55m

$239

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 3/6

1:09 pm-11:01 pm

1 stop9h 52m

Dallas/Fort Worth

Thu 3/12

10:03 am-11:19 pm

2 stops13h 16m

$240

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 3/6

8:12 pm-11:10 am

1 stop14h 58m

Dallas/Fort Worth

Sun 3/15

5:45 am-9:49 am

1 stop28h 04m

$241

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Wed 3/11

8:50 pm-10:40 pm

Nonstop1h 50m

Dallas Love Field

Wed 3/18

9:15 am-2:30 pm

1 stop5h 15m

$241

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 4/4

8:16 pm-7:54 am

2 stops11h 38m

Dallas/Fort Worth

Mon 4/27

5:45 am-7:12 pm

1 stop13h 27m

$242

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 3/27

8:12 pm-1:28 pm

1 stop17h 16m

Dallas/Fort Worth

Fri 4/3

1:26 pm-7:51 am

1 stop18h 25m

$243

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 3/11

6:00 am-2:26 pm

1 stop8h 26m

Dallas/Fort Worth

Sat 3/14

2:10 pm-3:57 pm

Nonstop1h 47m

$244

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 4/23

5:20 am-7:22 am

Nonstop2h 02m

Dallas/Fort Worth

Mon 4/27

3:35 pm-5:21 pm

Nonstop1h 46m

$245

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 St. Louis to Dallas

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

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What is the cheapest month to fly to Dallas?

If you are unable to visit Dallas during the month of August, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $194.

What is the cheapest day to depart on your flight to Dallas?

On average, the least expensive day to fly to Dallas from St. Louis is on a Thursday. momondo users have found tickets for Thursday departures for as low as $497. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $634.

What is the cheapest time of day to depart on your flight to Dallas?

Flying to Dallas from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $396 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around $719 per ticket.

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

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

How far in advance should I book a flight to Dallas?

You are more likely to see cheaper flights to Dallas from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around $277 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from St. Louis for as low as $192 on momondo.

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

There are 4 cabin classes available to choose from on Lambert-St Louis to Dallas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap St. Louis to Dallas flight deals and tips

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

Fastest flight time	1h 40m
Direct flights	Every day
Airports in Dallas	3 airports

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

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

There are 3 airports in Dallas. From St. Louis there are direct flights to Dallas/Fort Worth (DFW), Dallas Love Field (DAL).

Search flight deals

How far is Lambert-St Louis to Dallas by plane?
There are 547.5 mi between Lambert-St Louis and Dallas. Flights usually cover this in 1h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Dallas?
Prices for flights from Lambert-St Louis Airport to Dallas refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Dallas?
There are 5 operators available for flights from Lambert-St Louis Airport to Dallas as of February 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Dallas?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Dallas.
What documentation or ID do you need to fly to Dallas?
The required travel and health documents for your Dallas 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 Dallas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from St. Louis to Dallas

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $70	Free Cancellation	Rating 5.7 3,052 reviews	Search Frontier flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,280 reviews	Search Southwest flights
Delta	PriceFrom $159	Free Cancellation	Rating 7.9 8,181 reviews	Search Delta flights
American Airlines	PriceFrom $168	Free Cancellation	Rating 7.2 11,271 reviews	Search American Airlines flights
JetBlue	PriceFrom $181	Free Cancellation	Rating 7.2 2,895 reviews	Search JetBlue flights

Why use momondo?

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

It is quick and easy to find St. Louis to Dallas 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 Dallas that suits you.

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

Yes. momondo enables you to select and highlight flights to Dallas from St. Louis with this policy.

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

Once you have performed a search for St. Louis to Dallas 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 St. Louis to Dallas right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Dallas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from St. Louis to Dallas from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Dallas departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from St. Louis to Dallas

What is the cheapest month to fly to Dallas?

What is the cheapest day to depart on your flight to Dallas?

What is the cheapest time of day to depart on your flight to Dallas?

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

How far in advance should I book a flight to Dallas?

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

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

What airlines fly to Dallas?

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

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

Cheap St. Louis to Dallas flight deals and tips

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

Fastest flight time

Direct flights

Airports in Dallas

Best airlines flying from St. Louis to Dallas

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

Why use momondo?

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

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

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

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

An easier way to manage your Dallas 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

Fly into one of these airports located in Dallas

Airports listed have a maximum distance of 15.5 mi from Dallas

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