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Cheap flights from St. Louis to Dallas from $39

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 11/13. 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

Frontier Logo
10:17 am - 12:14 pmSTL-DFW
1h 57mnonstop
Frontier Logo
7:30 am - 9:22 amDFW-STL
1h 52mnonstop
$105Frontier
Find Deal
Thu, Oct 23 - Sun, Oct 26
Frontier Logo
10:17 am - 12:14 pmSTL-DFW
1h 57mnonstop
Frontier Logo
7:30 am - 9:22 amDFW-STL
1h 52mnonstop
$110Frontier
Find Deal
Thu, Oct 16 - Sun, Oct 19
Frontier Logo
10:49 am - 12:39 pmSTL-DFW
1h 50mnonstop
Frontier Logo
6:00 am - 3:04 pmDFW-STL
9h 04m1 stop
$111Frontier
Find Deal
Thu, Sep 11 - Thu, Sep 18
Frontier Logo
10:39 am - 12:29 pmSTL-DFW
1h 50mnonstop
Frontier Logo
8:18 pm - 1:07 pmDFW-STL
16h 49m1 stop
$114Frontier
Find Deal
Sun, Sep 14 - Sat, Sep 20
Frontier Logo
9:59 pm - 5:43 amSTL-DFW
7h 44m1 stop
Frontier Logo
7:30 am - 9:22 amDFW-STL
1h 52mnonstop
$115Frontier
Find Deal
Fri, Oct 10 - Sun, Oct 12
American Airlines Logo
5:09 pm - 7:05 pmSTL-DFW
1h 56mnonstop
American Airlines Logo
9:29 pm - 11:18 pmDFW-STL
1h 49mnonstop
$134American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 22
American Airlines Logo
5:09 pm - 7:05 pmSTL-DFW
1h 56mnonstop
American Airlines Logo
7:00 am - 8:53 amDFW-STL
1h 53mnonstop
$139American Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
American Airlines Logo
5:18 am - 7:14 amSTL-DFW
1h 56mnonstop
American Airlines Logo
9:07 pm - 10:50 pmDFW-STL
1h 43mnonstop
$149American Airlines
Find Deal
Tue, Sep 23 - Sat, Sep 27
American Airlines Logo
8:50 am - 10:46 amSTL-DFW
1h 56mnonstop
American Airlines Logo
1:27 pm - 3:09 pmDFW-STL
1h 42mnonstop
$154American Airlines
Find Deal
Wed, Sep 24 - Wed, Sep 24
Logo
10:57 am - 5:45 pmSTL-DFW
6h 48m1 stop
Logo
3:36 pm - 5:28 pmDFW-STL
1h 52mnonstop
$165
Find Deal
Thu, Oct 30 - Sun, Nov 2

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
Oct 22
STL5:09 pmLambert-St Louis
1h 56m
DFW7:05 pmDallas/Fort Worth
Oct 22
DFW9:29 pmDallas/Fort Worth
1h 49m
STL11:18 pmLambert-St Louis
$134
Find similar
American Airlines
Oct 7
STL5:09 pmLambert-St Louis
1h 56m
DFW7:05 pmDallas/Fort Worth
Oct 11
DFW7:00 amDallas/Fort Worth
1h 53m
STL8:53 amLambert-St Louis
$139
Find similar
American Airlines
Sep 23
STL5:18 amLambert-St Louis
1h 56m
DFW7:14 amDallas/Fort Worth
Sep 27
DFW9:07 pmDallas/Fort Worth
1h 43m
STL10:50 pmLambert-St Louis
$149
Find similar

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
Oct 23
STL10:17 amLambert-St Louis
1h 57m
DFW12:14 pmDallas/Fort Worth
Oct 26
DFW7:30 amDallas/Fort Worth
1h 52m
STL9:22 amLambert-St Louis
$105
Find similar
Frontier
Oct 16
STL10:17 amLambert-St Louis
1h 57m
DFW12:14 pmDallas/Fort Worth
Oct 19
DFW7:30 amDallas/Fort Worth
1h 52m
STL9:22 amLambert-St Louis
$110
Find similar
Frontier
Sep 11
STL10:49 amLambert-St Louis
1h 50m
DFW12:39 pmDallas/Fort Worth
Sep 18
DFW6:00 amDallas/Fort Worth
9h 04m
1 stop
STL3:04 pmLambert-St Louis
$111
Find similar

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 August 28, 2025.
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

Thu 10/23

10:17 am-12:14 pm

Nonstop1h 57m

Dallas/Fort Worth

Sun 10/26

7:30 am-9:22 am

Nonstop1h 52m

$105

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 10/16

10:17 am-12:14 pm

Nonstop1h 57m

Dallas/Fort Worth

Sun 10/19

7:30 am-9:22 am

Nonstop1h 52m

$110

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 9/11

10:49 am-12:39 pm

Nonstop1h 50m

Dallas/Fort Worth

Thu 9/18

6:00 am-3:04 pm

1 stop9h 04m

$111

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 9/14

10:39 am-12:29 pm

Nonstop1h 50m

Dallas/Fort Worth

Sat 9/20

8:18 pm-1:07 pm

1 stop16h 49m

$114

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 10/10

9:59 pm-5:43 am

1 stop7h 44m

Dallas/Fort Worth

Sun 10/12

7:30 am-9:22 am

Nonstop1h 52m

$115

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 10/22

5:09 pm-7:05 pm

Nonstop1h 56m

Dallas/Fort Worth

Wed 10/22

9:29 pm-11:18 pm

Nonstop1h 49m

$134

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 10/7

5:09 pm-7:05 pm

Nonstop1h 56m

Dallas/Fort Worth

Sat 10/11

7:00 am-8:53 am

Nonstop1h 53m

$139

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 9/23

5:18 am-7:14 am

Nonstop1h 56m

Dallas/Fort Worth

Sat 9/27

9:07 pm-10:50 pm

Nonstop1h 43m

$149

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 9/24

8:50 am-10:46 am

Nonstop1h 56m

Dallas/Fort Worth

Wed 9/24

1:27 pm-3:09 pm

Nonstop1h 42m

$154

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 10/30

10:57 am-5:45 pm

1 stop6h 48m

Dallas/Fort Worth

Sun 11/2

3:36 pm-5:28 pm

Nonstop1h 52m

$165

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 September. Flight prices, which tend to average around $197, 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 September, then August is your next best option. Flight prices from St. Louis to Dallas/Fort Worth Airport during August average around $211.

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 Friday. momondo users have found tickets for Friday departures for as low as $482. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, 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 $633.

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 $345 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $548 on average. Flights to Dallas/Fort Worth Airport from St. Louis at noon 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 $280 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 $219 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 August 2025, prices for St. Louis to Dallas/Fort Worth Airport flights are approximately 31% 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

$198

Fastest flight time

1h 50m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from St. Louis in the past 72 hours is $198. The best round-trip flight deal from St. Louis to Dallas/Fort Worth Airport found on momondo in the last 72 hours is $316.
The fastest flight from St. Louis to Dallas/Fort Worth Airport takes 1h 50m
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 50m 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 $62Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
American AirlinesPriceFrom $172Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $173Free CancellationRating
8.0
4,242 reviews
Search Southwest 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 $172. Generally, American Airlines has 15 flights on this route every week with an average price of $313. American Airlines is rated 7.2/10 by our users.

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

    Frontier (5.8/10 from 3,204 reviews) operates around 2 flights from St. Louis to Dallas/Fort Worth Airport in any given week. The average Frontier airfare for this route is around $147, with deals from around $62 rare but found on momondo. Referenced prices are for round-trip St. Louis to Dallas/Fort Worth Airport flight searches in the last 72 hours.

Traveling to a place near Dallas?

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

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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