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Cheap flights from St. Louis to Dallas from $63

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 2/28. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 12:10 pm
STL
-
DFW
6h 10m
1 stop
American Airlines Logo
10:37 am - 9:12 pm
DFW
-
STL
10h 35m
1 stop
$231American Airlines
Wed, Feb 25 - Sat, Feb 28
Multiple Airlines Logo
7:47 am - 3:29 pm
STL
-
DFW
7h 42m
1 stop
Multiple Airlines Logo
8:40 pm - 1:19 pm
DFW
-
STL
16h 39m
1 stop
$232Multiple Airlines
Fri, Mar 6 - Sun, Mar 8
Frontier Logo
3:02 pm - 5:07 pm
STL
-
DFW
2h 05mnonstop
Frontier Logo
8:36 pm - 6:50 am
DFW
-
STL
10h 14m
1 stop
$234Frontier
Fri, May 1 - Sun, May 3
Frontier Logo
12:03 pm - 12:18 am
STL
-
DFW
12h 15m
1 stop
Frontier Logo
9:00 am - 10:27 pm
DFW
-
STL
13h 27m
1 stop
$235Frontier
Sun, Feb 8 - Wed, Feb 18
Multiple Airlines Logo
9:50 am - 11:57 pm
STL
-
DFW
14h 07m
2 stops
Multiple Airlines Logo
8:40 pm - 6:51 am
DFW
-
STL
10h 11m
1 stop
$236Multiple Airlines
Fri, Feb 27 - Sun, Mar 1
Multiple Airlines Logo
4:51 pm - 6:01 am
STL
-
DFW
13h 10m
2 stops
Multiple Airlines Logo
8:40 pm - 6:51 am
DFW
-
STL
10h 11m
1 stop
$238Multiple Airlines
Wed, Feb 25 - Thu, Feb 26
Multiple Airlines Logo
11:21 am - 5:08 pm
STL
-
DFW
5h 47m
1 stop
Multiple Airlines Logo
4:16 pm - 6:36 pm
DFW
-
STL
26h 20m
2 stops
$239Multiple Airlines
Thu, Mar 26 - Sun, Mar 29
Frontier Logo
8:06 pm - 5:47 am
STL
-
DFW
9h 41m
1 stop
Frontier Logo
6:00 am - 1:34 pm
DFW
-
STL
7h 34m
1 stop
$240Frontier
Tue, Mar 17 - Fri, Mar 20
American Airlines Logo
9:35 am - 11:39 am
STL
-
DFW
2h 04mnonstop
American Airlines Logo
8:35 am - 1:50 pm
DFW
-
STL
5h 15m
1 stop
$241American Airlines
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
11:21 am - 5:07 pm
STL
-
DFW
5h 46m
1 stop
Frontier Logo
9:59 am - 11:25 pm
DFW
-
STL
13h 26m
1 stop
$242Frontier
Thu, Apr 9 - Mon, Apr 13

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

Our best American Airlines deals on St. Louis to Dallas/Fort Worth Airport flight tickets
American Airlines
Feb 24
STL4:13 pmLambert-St Louis
2h 02m
DFW6:15 pmDallas/Fort Worth
Mar 3
DFW5:43 pmDallas/Fort Worth
1h 46m
STL7:29 pmLambert-St Louis
$231
American Airlines
Mar 3
STL4:13 pmLambert-St Louis
2h 02m
DFW6:15 pmDallas/Fort Worth
Mar 10
DFW9:12 amDallas/Fort Worth
1h 47m
STL10:59 amLambert-St Louis
$238
American Airlines
Mar 18
STL5:12 amLambert-St Louis
2h 09m
DFW7:21 amDallas/Fort Worth
Mar 25
DFW5:43 pmDallas/Fort Worth
1h 46m
STL7:29 pmLambert-St Louis
$245

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

Our best Frontier deals on St. Louis to Dallas/Fort Worth Airport flight tickets
Frontier
May 1
STL3:02 pmLambert-St Louis
2h 05m
DFW5:07 pmDallas/Fort Worth
May 3
DFW8:36 pmDallas/Fort Worth
10h 14m
1 stop
STL6:50 amLambert-St Louis
$234
Frontier
Feb 8
STL12:03 pmLambert-St Louis
12h 15m
1 stop
DFW12:18 amDallas/Fort Worth
Feb 18
DFW9:00 amDallas/Fort Worth
13h 27m
1 stop
STL10:27 pmLambert-St Louis
$235
Frontier
Mar 17
STL8:06 pmLambert-St Louis
9h 41m
1 stop
DFW5:47 amDallas/Fort Worth
Mar 20
DFW6:00 amDallas/Fort Worth
7h 34m
1 stop
STL1:34 pmLambert-St Louis
$240

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Dallas/Fort Worth Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from St. Louis to Dallas/Fort Worth Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 2/25

6:00 am-12:10 pm

1 stop6h 10m

Dallas/Fort Worth

Sat 2/28

10:37 am-9:12 pm

1 stop10h 35m

$231

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 3/6

7:47 am-3:29 pm

1 stop7h 42m

Dallas/Fort Worth

Sun 3/8

8:40 pm-1:19 pm

1 stop16h 39m

$232

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 5/1

3:02 pm-5:07 pm

Nonstop2h 05m

Dallas/Fort Worth

Sun 5/3

8:36 pm-6:50 am

1 stop10h 14m

$234

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 2/8

12:03 pm-12:18 am

1 stop12h 15m

Dallas/Fort Worth

Wed 2/18

9:00 am-10:27 pm

1 stop13h 27m

$235

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 2/27

9:50 am-11:57 pm

2 stops14h 07m

Dallas/Fort Worth

Sun 3/1

8:40 pm-6:51 am

1 stop10h 11m

$236

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 2/25

4:51 pm-6:01 am

2 stops13h 10m

Dallas/Fort Worth

Thu 2/26

8:40 pm-6:51 am

1 stop10h 11m

$238

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 3/26

11:21 am-5:08 pm

1 stop5h 47m

Dallas/Fort Worth

Sun 3/29

4:16 pm-6:36 pm

2 stops26h 20m

$239

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 3/17

8:06 pm-5:47 am

1 stop9h 41m

Dallas/Fort Worth

Fri 3/20

6:00 am-1:34 pm

1 stop7h 34m

$240

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 2/25

9:35 am-11:39 am

Nonstop2h 04m

Dallas/Fort Worth

Sat 2/28

8:35 am-1:50 pm

1 stop5h 15m

$241

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 4/9

11:21 am-5:07 pm

1 stop5h 46m

Dallas/Fort Worth

Mon 4/13

9:59 am-11:25 pm

1 stop13h 26m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dallas from

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

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 Dallas/Fort Worth Airport?

The cheapest month to fly to Dallas/Fort Worth Airport from St. Louis is in August. Flight prices, which tend to average around $194, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in August, then September is your next best option. Flight prices from St. Louis to Dallas/Fort Worth Airport during September average around $194.

What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?

On average, the least expensive day to fly to Dallas/Fort Worth Airport from St. Louis is on a Thursday. momondo users have found tickets for Thursday departures for as low as $501. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Dallas/Fort Worth Airport for around $644.

What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?

Flying to Dallas/Fort Worth Airport from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $400 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $701 on average. Flights to Dallas/Fort Worth Airport from St. Louis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Dallas/Fort Worth Airport?

You are more likely to see cheaper flights to Dallas/Fort Worth Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around $275 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas/Fort Worth Airport from St. Louis for as low as $192 on momondo.

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

There are 4 cabin classes available to choose from on Lambert-St Louis to Dallas/Fort Worth 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 St. Louis to Dallas/Fort Worth Airport flights?

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

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

As of February 2026, prices for St. Louis to Dallas/Fort Worth Airport flights are approximately 53% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$178

Fastest flight time

1h 40m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from St. Louis in the past 72 hours is $178. The best round-trip flight deal from St. Louis to Dallas/Fort Worth Airport found on momondo in the last 72 hours is $372.
The fastest flight from St. Louis to Dallas/Fort Worth Airport takes 1h 40m
Direct flights go from St. Louis to Dallas/Fort Worth Airport every day.
Search flight deals

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

    The distance between Lambert-St Louis and Dallas/Fort Worth is about 550.5 mi. 1h 40m is a normal flight duration for this route.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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/Fort Worth Airport.

  • What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

    The necessary travel and health documents for your Dallas/Fort Worth 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 St. Louis to Dallas/Fort Worth Airport?

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

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

Compare and see reviews for airlines that fly from St. Louis to Dallas/Fort Worth Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $70Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,273 reviews
Search Southwest flights
American AirlinesPriceFrom $167Free CancellationRating
7.2
11,217 reviews
Search American Airlines flights
JetBluePriceFrom $181Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights

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

    The lowest priced American Airlines flight from St. Louis to Dallas/Fort Worth Airport from the last 72 hours was $167. Generally, American Airlines has 17 flights on this route every week with an average price of $291. American Airlines is rated 7.2/10 by our users.

Traveling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
Fort Worth
Arlington
Frisco
Plano
Irving
Grapevine
Denton
Thackerville
Grand Prairie
McKinney
Durant
Garland
Richardson
Rockwall
Lewisville
Addison
Ardmore
Allen
Mansfield
Waxahachie

Why use momondo?

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

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 St. Louis to Dallas for you.

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

Yes. momondo allows you to filter the results for St. Louis to Dallas flights to just show those with flexible booking policies.

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

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

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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