Dallas/Fort Worth

$70+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Aug 2 — Aug 91
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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 88 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 July 28, 2025.

Round-trip from

$134
(American Airlines)

One-way from

$70
(American Airlines)

Popular in

February

Cheapest in

August

Average price

$229

Good round-trip deal

$329 or less

Good one-way deal

$166 or less
From Lambert-St Louis to Dallas/Fort Worth
One-way flight from Lambert-St Louis to Dallas/Fort Worth
Highest demand for flights based on searches. 15% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Lambert-St Louis to Dallas/Fort Worth.
Price to beat on a one-way flight from Lambert-St Louis to Dallas/Fort Worth.

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 July 28, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:18 amSTL - DFW
Nonstop1h 56mAmerican Airlines
Sat 9/2710:00 amDFW - STL
Nonstop1h 52mAmerican Airlines
Deal found 7/27$134
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 8/212:30 pmSTL - DFW
1 stop5h 14mSpirit Airlines
Mon 8/256:45 amDFW - STL
1 stop6h 47mSpirit Airlines
Deal found 7/27$136
This Orbitz deal was found by Cheapflights users on 7/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:35 amSTL - DFW
1 stop13h 19mMultiple Airlines
Sun 10/267:00 amDFW - STL
Nonstop1h 52mMultiple Airlines
Deal found 7/28$141
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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.
Fri 10/105:52 pmSTL - DFW
Nonstop1h 57mFrontier
Sun 10/127:00 amDFW - STL
Nonstop1h 52mFrontier
Deal found 7/28$144
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amSTL - DFW
1 stop6h 54mDelta
Sat 10/113:15 pmDFW - STL
1 stop7h 47mDelta
Deal found 7/28$197

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 July 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

St. Louis

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 9/27

5:18 am-7:14 am

Nonstop1h 56m

Dallas/Fort Worth

Sat 9/27

10:00 am-11:52 am

Nonstop1h 52m

$134

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 8/21

2:30 pm-7:44 pm

1 stop5h 14m

Dallas/Fort Worth

Mon 8/25

6:45 am-1:32 pm

1 stop6h 47m

$136

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 10/23

10:35 am-11:54 pm

1 stop13h 19m

Dallas/Fort Worth

Sun 10/26

7:00 am-8:52 am

Nonstop1h 52m

$141

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 10/10

5:52 pm-7:49 pm

Nonstop1h 57m

Dallas/Fort Worth

Sun 10/12

7:00 am-8:52 am

Nonstop1h 52m

$144

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 10/7

6:00 am-12:54 pm

1 stop6h 54m

Dallas/Fort Worth

Sat 10/11

3:15 pm-11:02 pm

1 stop7h 47m

$197

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 9/27

7:16 am-9:14 am

Nonstop1h 58m

$70

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 8/31

10:17 am-12:13 pm

Nonstop1h 56m

$71

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 9/18

12:05 pm-7:47 pm

1 stop7h 42m

$73

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 10/25

10:30 am-4:46 pm

1 stop6h 16m

$99

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 9/3

8:15 am-6:21 pm

2 stops10h 06m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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 July 25, 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 88 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 July 28, 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 44% 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 July 27, 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.

Weekly flight availability from St. Louis to Dallas/Fort Worth Airport

Explore weekly flight availability from St. Louis to Dallas/Fort Worth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from STL to DFW are scheduled on a Saturday (36 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (25 on average).

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 July 28, 2025.
Get a feel of what it's like to fly with Delta, American Airlines, and Spirit 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.
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 32 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.

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

    Currently priced at $134, American Airlines will fly you from St. Louis to Dallas/Fort Worth Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Frontier - these airlines can fly you to your destination from $136 and $144, respectively. American Airlines is currently priced 51% 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?

    $70 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Frontier and Spirit Airlines, with prices starting from $71 and $73, 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 Envoy Air (87%), GOL (75%) or Iberia (70%) 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 $69. While the most popular route (Lambert-St Louis - Dallas/Fort Worth) can be booked for $114 on average our data indicates $2,111 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
Richardson
Plano
Denton
Frisco
Mansfield
Grapevine
Cedar Hill
Garland
Allen
Durant
Saginaw
Rockwall
McKinney
Weatherford
Denison
Burleson
Granbury
Carrollton

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$147FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$177Average$301FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$177Average$316FlexibilityNo cancel feeOn-time71%

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