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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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Oct 18 — Oct 251
Sat 10/18
Sat 10/25
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 Friday or Thursday 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 September 18, 2025.

Round-trip from

$108
(Booking.com)

One-way from

$36
(Cheapflightsfares)

Popular in

February

Cheapest in

August

Average price

$200

Good round-trip deal

$308 or less

Good one-way deal

$152 or less
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. 16% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 18, 2025.

This Booking.com deal was found by Cheapflights users on 9/15. 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 10/231:41 pmSTL - DFW
1 stop19h 44mFrontier
Sun 10/267:30 amDFW - STL
Nonstop1h 52mFrontier
Deal found 9/15$108
This Booking.com deal was found by Cheapflights users on 9/17. 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 10/2311:32 amSTL - DFW
1 stop11h 07mFrontier
Mon 10/277:40 amDFW - STL
Nonstop1h 52mFrontier
Deal found 9/17$114
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:17 amSTL - DFW
Nonstop1h 57mFrontier
Sun 10/127:30 amDFW - STL
Nonstop1h 52mFrontier
Deal found 9/16$117
This Frontier deal was found by Cheapflights users on 9/17. 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 10/1610:17 amSTL - DFW
Nonstop1h 57mFrontier
Thu 10/237:30 amDFW - STL
Nonstop1h 52mFrontier
Deal found 9/17$118
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:49 amSTL - DFW
Nonstop1h 50mFrontier
Thu 10/97:30 amDFW - STL
Nonstop1h 52mFrontier
Deal found 9/17$119
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:17 amSTL - DFW
Nonstop1h 57mFrontier
Mon 10/277:40 amDFW - STL
Nonstop1h 52mFrontier
Deal found 9/16$122
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Thu 11/611:07 amSTL - DFW
1 stop11h 06mFrontier
Thu 11/133:35 pmDFW - STL
Nonstop1h 52mFrontier
Deal found 9/16$127
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/66:22 pmSTL - DFW
Nonstop1h 57mFrontier
Mon 11/1010:30 pmDFW - STL
1 stop10h 37mFrontier
Deal found 9/17$129
This Booking.com deal was found by Cheapflights users on 9/17. 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 10/2310:17 amSTL - DFW
Nonstop1h 57mFrontier
Sat 10/2510:25 pmDFW - STL
1 stop10h 42mFrontier
Deal found 9/17$131

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 September 18, 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

St. Louis

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 10/16

10:17 am-12:14 pm

Nonstop1h 57m

Dallas/Fort Worth

Thu 10/23

7:30 am-9:22 am

Nonstop1h 52m

$118

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

10:42 pm-11:43 am

1 stop13h 01m

$123

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 11/6

11:07 am-10:13 pm

1 stop11h 06m

Dallas/Fort Worth

Thu 11/13

3:35 pm-5:27 pm

Nonstop1h 52m

$127

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 10/18

5:09 pm-7:05 pm

Nonstop1h 56m

Dallas/Fort Worth

Tue 10/21

9:29 pm-11:18 pm

Nonstop1h 49m

$139

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 10/3

9:35 pm-5:45 am

1 stop8h 10m

Dallas/Fort Worth

Sun 10/5

8:00 am-9:54 am

Nonstop1h 54m

$140

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 11/14

5:05 pm-11:14 am

1 stop18h 09m

Dallas/Fort Worth

Sun 11/16

3:30 pm-5:22 pm

Nonstop1h 52m

$149

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 11/13

7:45 pm-6:11 pm

1 stop22h 26m

Dallas/Fort Worth

Sun 11/16

9:09 pm-9:40 am

1 stop12h 31m

$155

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 10/10

9:59 pm-5:43 am

1 stop7h 44m

Dallas/Fort Worth

Mon 10/13

9:36 pm-9:07 am

1 stop11h 31m

$160

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 10/12

10:17 am-12:14 pm

Nonstop1h 57m

Dallas/Fort Worth

Tue 10/14

10:25 pm-9:07 am

1 stop10h 42m

$160

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Mon 11/3

5:58 pm-8:05 pm

Nonstop2h 07m

Dallas/Fort Worth

Wed 11/5

10:45 am-12:37 pm

Nonstop1h 52m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 22 results
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The best insider tips for St. Louis to Dallas/Fort Worth Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Dallas/Fort Worth Airport trip
Airports
STL

Expect security screening at STL to take 5-10 minutes off-peak; check real-time wait times online during peak periods.

Read more about STLby Taryn White
DFW

Use the DART Orange Line for a direct connection from downtown Dallas to DFW, with a station at Terminal A.

Read more about DFWby Chris Dong
Our travel experts
Chris Dong

Chris Dong

Expert on DFW

Chris Dong

Chris Dong

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

Taryn White

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

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 September 12, 2025.

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, August is the cheapest month in which you can book a flight from St. Louis to Dallas/Fort Worth Airport (average of $216). Flying from St. Louis to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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 September 18, 2025.

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 52% versus a flight at noon.

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 September 14, 2025.

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.

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 September 18, 2025.
Get a feel of what it's like to fly with Southwest, American Airlines, and Frontier 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
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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 22 outbound flights to Dallas/Fort Worth per day. You should also have plenty of airline options to choose from since 3 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 1h 56m. Frontier provides one of the quickest options available for as low as $139. The distance between St. Louis and Dallas/Fort Worth Airport is about 550 mi. Generally, flights for this route are nonstop.

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

    Currently priced at $63, 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 American Airlines - these airlines can fly you to your destination from $169 and $173, respectively. Frontier is currently priced 77% below the average price you’ll pay for this route.

  • 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 Envoy Air (94%), GOL (79%) or Frontier (78%) 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 $77. While the most popular route (Lambert-St Louis - Dallas/Fort Worth) can be booked for $132 on average, our data indicates $1,121 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, August is the cheapest month in which you can book a flight from St. Louis to Dallas/Fort Worth Airport (average of $216). Flying from St. Louis to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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
Allen
Frisco
Mansfield
Grapevine
Denton
Garland
Cedar Hill
Plano
Durant
McKinney
Rockwall
Richardson
Weatherford
Denison
Burleson
Carrollton
Granbury
Cleburne

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from St. Louis to Dallas/Fort Worth

Discover the top 3 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 September 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$145FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$169Average$299FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$173Average$315FlexibilityNo cancel feeOn-time71%

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