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Cheap flights from St. Louis to Dallas from $64

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 2/11. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:49 pm - 10:23 am
STL
-
DFW
18h 34m
1 stop
Frontier Logo
1:52 pm - 1:09 pm
DFW
-
STL
23h 17m
1 stop
$196Frontier
Sun, Feb 22 - Thu, Feb 26
Multiple Airlines Logo
8:22 pm - 8:56 am
STL
-
DFW
12h 34m
1 stop
Multiple Airlines Logo
7:30 am - 6:51 am
DFW
-
STL
23h 21m
2 stops
$199Multiple Airlines
Fri, Jan 30 - Tue, Feb 3
Multiple Airlines Logo
8:22 pm - 7:02 am
STL
-
DFW
10h 40m
1 stop
Multiple Airlines Logo
6:00 am - 1:19 pm
DFW
-
STL
7h 19m
1 stop
$204Multiple Airlines
Mon, Mar 2 - Fri, Mar 6
Frontier Logo
10:01 pm - 12:00 pm
STL
-
DFW
13h 59m
1 stop
Frontier Logo
8:12 pm - 11:11 am
DFW
-
STL
14h 59m
1 stop
$205Frontier
Thu, Feb 5 - Fri, Feb 6
Multiple Airlines Logo
8:22 pm - 8:56 am
STL
-
DFW
12h 34m
1 stop
Multiple Airlines Logo
8:40 pm - 6:51 am
DFW
-
STL
10h 11m
1 stop
$206Multiple Airlines
Fri, Jan 30 - Tue, Feb 3
American Airlines Logo
4:13 pm - 6:15 pm
STL
-
DFW
2h 02mnonstop
American Airlines Logo
3:26 pm - 5:13 pm
DFW
-
STL
1h 47mnonstop
$207American Airlines
Sat, Feb 21 - Mon, Feb 23
Frontier Logo
2:09 pm - 11:00 pm
STL
-
DFW
8h 51m
1 stop
Frontier Logo
10:34 pm - 9:49 am
DFW
-
STL
11h 15m
1 stop
$208Frontier
Mon, Mar 9 - Thu, Mar 12
Frontier Logo
2:09 pm - 11:01 pm
STL
-
DFW
8h 52m
1 stop
Frontier Logo
6:00 am - 1:34 pm
DFW
-
STL
7h 34m
1 stop
$209Frontier
Fri, Mar 6 - Fri, Mar 13
American Airlines Logo
10:43 am - 5:38 pm
STL
-
DFW
6h 55m
1 stop
American Airlines Logo
1:41 pm - 3:28 pm
DFW
-
STL
1h 47mnonstop
$210American Airlines
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
8:16 pm - 11:04 pm
STL
-
DFW
26h 48m
1 stop
Frontier Logo
4:35 pm - 11:25 pm
DFW
-
STL
6h 50m
1 stop
$211Frontier
Mon, Apr 6 - Sat, Apr 11

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 21
STL4:13 pmLambert-St Louis
2h 02m
DFW6:15 pmDallas/Fort Worth
Feb 23
DFW3:26 pmDallas/Fort Worth
1h 47m
STL5:13 pmLambert-St Louis
$207
American Airlines
Feb 21
STL10:43 amLambert-St Louis
6h 55m
1 stop
DFW5:38 pmDallas/Fort Worth
Feb 28
DFW1:41 pmDallas/Fort Worth
1h 47m
STL3:28 pmLambert-St Louis
$210
American Airlines
Mar 7
STL5:12 amLambert-St Louis
2h 09m
DFW7:21 amDallas/Fort Worth
Mar 11
DFW6:10 amDallas/Fort Worth
7h 29m
1 stop
STL1:39 pmLambert-St Louis
$217

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

Our best United Airlines deals on St. Louis to Dallas/Fort Worth Airport flight tickets
United Airlines
Mar 7
STL7:41 amLambert-St Louis
8h 07m
1 stop
DFW3:48 pmDallas/Fort Worth
Mar 11
DFW5:15 amDallas/Fort Worth
4h 06m
1 stop
STL9:21 amLambert-St Louis
$213
United Airlines
Feb 18
STL9:55 amLambert-St Louis
8h 08m
2 stops
DFW6:03 pmDallas/Fort Worth
Feb 19
DFW5:15 amDallas/Fort Worth
4h 08m
1 stop
STL9:23 amLambert-St Louis
$218
United Airlines
Feb 19
STL7:41 amLambert-St Louis
8h 17m
2 stops
DFW3:58 pmDallas/Fort Worth
Feb 24
DFW4:24 pmDallas/Fort Worth
4h 41m
1 stop
STL9:05 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 January 20, 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

Sun 2/22

3:49 pm-10:23 am

1 stop18h 34m

Dallas/Fort Worth

Thu 2/26

1:52 pm-1:09 pm

1 stop23h 17m

$196

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 1/30

8:22 pm-8:56 am

1 stop12h 34m

Dallas/Fort Worth

Tue 2/3

7:30 am-6:51 am

2 stops23h 21m

$199

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Mon 3/2

8:22 pm-7:02 am

1 stop10h 40m

Dallas/Fort Worth

Fri 3/6

6:00 am-1:19 pm

1 stop7h 19m

$204

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 2/5

10:01 pm-12:00 pm

1 stop13h 59m

Dallas/Fort Worth

Fri 2/6

8:12 pm-11:11 am

1 stop14h 59m

$205

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 1/30

8:22 pm-8:56 am

1 stop12h 34m

Dallas/Fort Worth

Tue 2/3

8:40 pm-6:51 am

1 stop10h 11m

$206

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 2/21

4:13 pm-6:15 pm

Nonstop2h 02m

Dallas/Fort Worth

Mon 2/23

3:26 pm-5:13 pm

Nonstop1h 47m

$207

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Mon 3/9

2:09 pm-11:00 pm

1 stop8h 51m

Dallas/Fort Worth

Thu 3/12

10:34 pm-9:49 am

1 stop11h 15m

$208

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 3/6

2:09 pm-11:01 pm

1 stop8h 52m

Dallas/Fort Worth

Fri 3/13

6:00 am-1:34 pm

1 stop7h 34m

$209

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 2/21

10:43 am-5:38 pm

1 stop6h 55m

Dallas/Fort Worth

Sat 2/28

1:41 pm-3:28 pm

Nonstop1h 47m

$210

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Mon 4/6

8:16 pm-11:04 pm

1 stop26h 48m

Dallas/Fort Worth

Sat 4/11

4:35 pm-11:25 pm

1 stop6h 50m

$211

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 $494. 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 $646.

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 $405 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 $694 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 $274 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.

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

As of January 2026, prices for St. Louis to Dallas/Fort Worth Airport flights are approximately 5% cheaper 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

$226

Fastest flight time

1h 45m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from St. Louis in the past 72 hours is $226. The best round-trip flight deal from St. Louis to Dallas/Fort Worth Airport found on momondo in the last 72 hours is $408.
The fastest flight from St. Louis to Dallas/Fort Worth Airport takes 1h 45m
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 45m 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 $67Free CancellationRating
5.7
3,055 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,081 reviews
Search Delta flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
American AirlinesPriceFrom $168Free CancellationRating
7.2
11,169 reviews
Search American Airlines 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 $168. Generally, American Airlines has 24 flights on this route every week with an average price of $297. 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
Durant
McKinney
Garland
Rockwall
Richardson
Lewisville
Addison
Ardmore
Allen
Mansfield
Sherman

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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