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Dallas/Fort Worth

$36+ Cheap flights from St. Louis (STL) to Dallas/Fort Worth (DFW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Dallas/Fort Worth are usually found in September or October, booked 86 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap 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 August 4, 2026.

This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:20 am -
Nonstop1h 56m
Fri 9/1810:53 pm -
1 stop12h 39m
Deal found 7/30$161
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:41 pm -
Nonstop2h 05m
Mon 10/123:50 pm -
Nonstop1h 56m
Deal found 7/30$162
This Frontier deal was found by Cheapflights users on 7/31. 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.
Thu 10/296:49 pm -
Nonstop2h 05m
Sun 11/111:11 am -
1 stop8h 04m
Deal found 7/31$166
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/148:10 pm -
2 stops11h 24m
Mon 10/198:55 pm -
1 stop12h 45m
Deal found 7/30$168
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:17 pm -
1 stop10h 42m
Thu 9/1710:59 pm -
1 stop12h 28m
Deal found 7/30$169
This Frontier deal was found by Cheapflights users on 7/31. 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.
Sat 9/1912:17 pm -
1 stop10h 42m
Sun 9/207:40 am -
Nonstop1h 55m
Deal found 7/31$170
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Thu 8/205:27 pm -
Nonstop2h 02m
Sun 8/238:05 pm -
2 stops21h 17m
Deal found 7/30$171
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:10 pm -
1 stop10h 38m
Tue 9/82:35 pm -
Nonstop1h 56m
Deal found 7/30$173
This Frontier deal was found by Cheapflights users on 8/2. 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.
Tue 8/188:00 am -
1 stop11h 12m
Tue 8/252:35 pm -
Nonstop1h 56m
Deal found 8/2$174
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
Nonstop1h 56m
Tue 10/61:23 pm -
2 stops22h 09m
Deal found 8/1$175

Find 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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$161
(Frontier)

One-way from

$36
(Frontier)

Popular in

June

Cheapest in

September

Average price

$236

Good round-trip deal

$384 or less

Good one-way deal

$186 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
Search Deals
One-way flight from Lambert-St Louis to Dallas/Fort Worth
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Dallas/Fort Worth.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Dallas/Fort Worth.
Search Deals

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 August 4, 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

Sun 9/6

9:30 am-3:15 pm

1 stop5h 45m

Dallas/Fort Worth

Sat 9/12

10:22 am-3:43 pm

1 stop5h 21m

$225

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 9/5

5:23 pm-11:59 pm

1 stop6h 36m

Dallas/Fort Worth

Mon 9/7

6:45 am-11:46 am

1 stop5h 01m

$225

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 9/3

11:15 am-5:51 pm

1 stop6h 36m

Dallas/Fort Worth

Sun 9/6

3:59 pm-8:29 pm

1 stop4h 30m

$225
Quickest round-trip

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 9/16

7:00 am-9:00 am

Nonstop2h 00m

Dallas/Fort Worth

Thu 9/17

9:58 pm-11:43 pm

Nonstop1h 45m

$260

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 9/4

5:23 pm-11:59 pm

1 stop6h 36m

Dallas/Fort Worth

Mon 9/7

5:20 am-11:46 am

1 stop6h 26m

$265

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 10/2

6:54 pm-11:57 pm

1 stop5h 03m

Dallas/Fort Worth

Tue 10/6

5:30 am-10:51 am

1 stop5h 21m

$265

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 9/16

12:59 pm-6:25 pm

1 stop5h 26m

Dallas/Fort Worth

Thu 9/17

5:15 am-10:10 am

1 stop4h 55m

$287

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 9/23

8:00 am-4:05 pm

2 stops8h 05m

Dallas/Fort Worth

Wed 9/30

6:00 am-3:43 pm

2 stops9h 43m

$307

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 9/1

8:00 am-5:51 pm

2 stops9h 51m

Dallas/Fort Worth

Tue 9/8

12:10 pm-10:00 pm

2 stops9h 50m

$323

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 9/8

8:35 am-4:05 pm

1 stop7h 30m

Dallas/Fort Worth

Sat 9/19

12:40 pm-10:59 pm

2 stops10h 19m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 21 resultsSorted by cheapest first
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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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
MytripPrice 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?

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 85 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, September is the cheapest month in which you can book a flight from St. Louis to Dallas/Fort Worth Airport (average of $217). Flying from St. Louis to Dallas/Fort Worth Airport in June is currently the most expensive (average of $342). 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 August 4, 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 evening, which can drop the price by up to 48% 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 August 1, 2026.

Travelers seeking maximum savings on their St. Louis to Dallas/Fort Worth Airport flight should consider departing on Wednesday 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?

Airfare is below average for this route at the moment.

St. Louis to Dallas/Fort Worth Airport flights typically cost between $178 and $348 in September.
The cheapest round-trip price found within the last 5 days was $161 on Frontier (Sep 13-Sep 18).

The best insider tips for St. Louis to Dallas/Fort Worth Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Dallas/Fort Worth Airport trip
Our travel experts
Chris Dong

Chris Dong

Expert on DFW

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

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 August 4, 2026.
Get a feel of what it's like to fly with Southwest,JetBlue, andAmerican Airlines 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
4,222 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,222 reviews
Southwest
8.0
Very good
4,222 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.2
Good
3,026 reviews
Southwest
8.0
Very good
4,222 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.1
Good
11,845 reviews
Southwest
8.0
Very good
4,222 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.6
Fair
2,737 reviews
Southwest
8.0
Very good
4,222 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 9 outbound flights to Dallas/Fort Worth per day. You should also have plenty of airline options to choose from since 4 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. United Airlines provides one of the quickest options available for as low as $260. 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 $68, 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 American Airlines and Southwest - these airlines can fly you to your destination from $174 and $178, respectively. Frontier is currently priced 76% 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?

    $40 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 $79 and $99, 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 (86%), Alaska Airlines (74%) or GOL (73%) 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 $98. While the most popular route (Lambert-St Louis - Dallas/Fort Worth) can be booked for $102 on average, our data indicates $2,154 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, September is the cheapest month in which you can book a flight from St. Louis to Dallas/Fort Worth Airport (average of $217). Flying from St. Louis to Dallas/Fort Worth Airport in June is currently the most expensive (average of $342). 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
Arlington
Rockwall
Frisco
Plano
Denton
Durant
Garland
Grapevine
Lewisville
Burleson
Richardson
Allen
Mansfield
Hillsboro
Sherman
Canton
Corsicana
Stephenville
Corinth

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Top 4 airlines flying from St. Louis to Dallas/Fort Worth

Discover the top 4 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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$165FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$174Average$304FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$178Average$356FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$181Average$264FlexibilityNo cancel feeOn-time62%

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