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Dallas/Fort Worth

Cheap flights from St. Louis (STL) to Dallas/Fort Worth (DFW) - Compare and Save

STL — DFW
May 2 — May 91
Sat 5/2
Sat 5/9
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Dallas/Fort Worth are usually found in August or September, booked 45 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from St. Louis to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Dallas/Fort Worth (DFW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$242
(Kiwi.com)

One-way from

$39
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$298

Good round-trip deal

$350 or less

Good one-way deal

$185 or less
Provider with most accurate pricing for Lambert-St Louis-Dallas/Fort Worth flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Dallas/Fort Worth flights.
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From Lambert-St Louis to Dallas/Fort Worth
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One-way flight from Lambert-St Louis to Dallas/Fort Worth
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Highest demand for flights based on searches. 15% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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Price to beat on a round-trip flight from Lambert-St Louis to Dallas/Fort Worth.
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Price to beat on a one-way flight from Lambert-St Louis to Dallas/Fort Worth.
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Find flight deals from St. Louis to Dallas/Fort Worth

Cheapest flights from St. Louis to Dallas/Fort Worth
Explore the most affordable flight options available from St. Louis to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:18 pm
STL
-
DFW
1 stop8h 23m
Frontier
Sun 5/175:43 pm
DFW
-
STL
2 stops15h 12m
Frontier
Deal found 3/31$242
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
-
DFW
1 stop12h 40m
Multiple Airlines
Thu 4/1612:47 pm
DFW
-
STL
2 stops10h 32m
Multiple Airlines
Deal found 3/30$243
This Super.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:39 am
STL
-
DFW
Nonstop2h 05m
Frontier
Sat 4/1812:19 pm
DFW
-
STL
1 stop7h 13m
Frontier
Deal found 4/1$244
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:39 am
STL
-
DFW
Nonstop2h 05m
Frontier
Sat 4/1811:38 am
DFW
-
STL
1 stop11h 41m
Frontier
Deal found 3/31$245
This Super.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/312:22 pm
STL
-
DFW
1 stop17h 28m
Frontier
Sun 4/53:25 pm
DFW
-
STL
1 stop8h 00m
Frontier
Deal found 3/29$246
This CheapOair deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:54 pm
STL
-
DFW
1 stop22h 24m
Frontier
Wed 4/85:08 pm
DFW
-
STL
1 stop19h 11m
Frontier
Deal found 3/30$247
This Trip.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:21 pm
STL
-
DFW
Nonstop2h 05m
Frontier
Fri 4/246:00 am
DFW
-
STL
Nonstop1h 54m
Frontier
Deal found 3/31$248
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:06 pm
STL
-
DFW
2 stops15h 36m
Multiple Airlines
Tue 4/216:51 pm
DFW
-
STL
1 stop28h 28m
Multiple Airlines
Deal found 3/29$249
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/44:10 pm
STL
-
DFW
1 stop8h 21m
Frontier
Tue 7/710:53 am
DFW
-
STL
1 stop13h 21m
Frontier
Deal found 4/1$250
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:33 pm
STL
-
DFW
Nonstop1h 55m
Frontier
Wed 7/89:14 am
DFW
-
STL
1 stop10h 09m
Frontier
Deal found 4/1$251
This Booking.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:54 pm
STL
-
DFW
1 stop15h 25m
Frontier
Fri 4/310:34 pm
DFW
-
STL
1 stop11h 14m
Frontier
Deal found 4/1$252
This Booking.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:12 pm
STL
-
DFW
1 stop17h 51m
Frontier
Sat 4/49:29 am
DFW
-
STL
1 stop13h 56m
Frontier
Deal found 3/29$253

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Dallas/Fort Worth 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, Cheapflights users made 2,558,603 searches. Data last updated April 2, 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

Cheapest round-trip

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 5/28

7:01 pm-12:35 am

1 stop5h 34m

Dallas/Fort Worth

Sat 5/30

7:10 am-12:56 pm

1 stop5h 46m

$285
Quickest round-trip

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 4/17

8:39 am-10:44 am

Nonstop2h 05m

Dallas/Fort Worth

Mon 4/20

12:42 pm-2:36 pm

Nonstop1h 54m

$315

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 4/21

4:49 pm-9:47 pm

1 stop4h 58m

Dallas/Fort Worth

Wed 4/22

5:15 am-12:22 pm

2 stops7h 07m

$364

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 4/28

9:10 am-8:01 pm

2 stops10h 51m

Dallas/Fort Worth

Tue 5/5

3:30 pm-10:30 pm

1 stop7h 00m

$366

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 5/5

10:25 am-8:33 pm

2 stops10h 08m

Dallas/Fort Worth

Wed 5/6

11:15 am-4:57 pm

1 stop5h 42m

$366

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 5/5

9:21 am-6:30 pm

2 stops9h 09m

Dallas/Fort Worth

Sat 5/9

3:30 pm-10:30 pm

1 stop7h 00m

$368

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 5/5

7:45 am-6:30 pm

2 stops10h 45m

Dallas/Fort Worth

Wed 5/6

9:54 am-4:01 pm

1 stop6h 07m

$370

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 5/5

11:15 am-9:56 pm

2 stops10h 41m

Dallas/Fort Worth

Thu 5/7

5:15 am-9:30 am

1 stop4h 15m

$379

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 4/22

5:51 am-10:56 am

1 stop5h 05m

Dallas/Fort Worth

Fri 4/24

9:10 pm-10:59 pm

Nonstop1h 49m

$385

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 4/28

9:10 am-8:28 pm

2 stops11h 18m

Dallas/Fort Worth

Tue 5/5

7:20 am-4:39 pm

2 stops9h 19m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from St. Louis to Dallas/Fort Worth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Dallas/Fort Worth in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Dallas/Fort Worth Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Dallas/Fort Worth Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Dallas/Fort Worth Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Dallas/Fort Worth Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Dallas/Fort Worth Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Dallas/Fort Worth Airport

How far ahead should I book a flight from St. Louis to Dallas/Fort Worth Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Dallas/Fort Worth. Price data was last updated on March 13, 2026.

The price you pay for your flight from St. Louis to Dallas/Fort Worth Airport may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Dallas/Fort Worth Airport?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Dallas/Fort Worth Airport (average of $80). Flying from St. Louis to Dallas/Fort Worth Airport in March is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to DFW?

Find hourly flight availability from St. Louis to Dallas/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2026.

When flying from St. Louis to Dallas/Fort Worth Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 42% versus a flight in the afternoon.

What is the cheapest day to fly from St. Louis to Dallas/Fort Worth Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Dallas/Fort Worth. Price data was last updated on March 28, 2026.

Travelers seeking maximum savings on their St. Louis to Dallas/Fort Worth Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from St. Louis to Dallas/Fort Worth Airport?

Reviews of airlines servicing Dallas/Fort Worth

Get insights into the airlines that provide service to Dallas/Fort Worth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas/Fort Worth. Reviews last updated April 2, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andJetBlue from St. Louis to Dallas/Fort Worth Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,336 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,336 reviews
Southwest
8.0
Very good
4,336 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,365 reviews
Southwest
8.0
Very good
4,336 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,909 reviews
Southwest
8.0
Very good
4,336 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.1
Good
11,546 reviews
Southwest
8.0
Very good
4,336 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.7
Fair
3,006 reviews
Southwest
8.0
Very good
4,336 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Dallas/Fort Worth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Dallas/Fort Worth?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Dallas/Fort Worth. You should not have trouble finding flights to Dallas/Fort Worth from Lambert-St Louis; the airport handles an average of 21 outbound flights to Dallas/Fort Worth per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the St. Louis airport to Dallas/Fort Worth. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to Dallas/Fort Worth Airport?

    A quick flight from St. Louis to Dallas/Fort Worth Airport can take about 2h 05m. Delta provides one of the quickest options available for as low as $315. The distance between St. Louis and Dallas/Fort Worth Airport is about 550 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Dallas/Fort Worth Airport round-trip?

    Currently priced at $70, Frontier will fly you from St. Louis to Dallas/Fort Worth Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $156 and $159, respectively. Frontier is currently priced 74% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from St. Louis to Dallas/Fort Worth Airport one-way?

    $38 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $78 and $86, respectively.

  • What are the most reliable airlines from St. Louis to Dallas/Fort Worth Airport?

    No one likes to see their flight delayed. When booking a flight from St. Louis to Dallas/Fort Worth Airport consider choosing SkyWest Airlines (100%), Envoy Air (100%) or Fiji Airways (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from St. Louis to Dallas/Fort Worth Airport?

    Looking at all options, your cheapest flight can be booked for $142. While the most popular route (Lambert-St Louis - Dallas/Fort Worth) can be booked for $156 on average, our data indicates $1,080 when flying from St. Louis to Dallas/Fort Worth Airport.

  • Can I find deals for flights from St. Louis to Dallas/Fort Worth that include hotel bookings?

    Yes. In addition to deals on St. Louis to Dallas/Fort Worth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Dallas/Fort Worth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Dallas/Fort Worth.

  • Can I find deals for business class flights from St. Louis to Dallas/Fort Worth?

    Yes. Cheapflights offers flight deals from St. Louis to Dallas/Fort Worth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Dallas/Fort Worth Airport?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Dallas/Fort Worth Airport (average of $80). Flying from St. Louis to Dallas/Fort Worth Airport in March is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Fort Worth
Rockwall
Arlington
Garland
Allen
Frisco
Plano
Cedar Hill
Grapevine
Mansfield
Denton
McKinney
Durant
Richardson
Burleson
Weatherford
Sherman
Cleburne
Hillsboro
Granbury

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from St. Louis to Dallas/Fort Worth

Discover the top 5 airlines that operate flights from St. Louis to Dallas/Fort Worth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$70Average$157FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$156Average$307FlexibilityNo cancel feeOn-time63%
DeltaCheapest$159Average$419FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$168Average$300FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$181Average$264FlexibilityNo cancel feeOn-time62%

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