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$83+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Dallas/Fort Worth are usually found in September or July, booked 62 days in advance, depart on a Friday or Thursday and return on a Monday

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 June 12, 2025.

Round-trip from

$168
(American Airlines)

One-way from

$83
(Priceline)

Popular in

February

Cheapest in

September

Average price

$281

Good round-trip deal

$357 or less

Good one-way deal

$183 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 ($55 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 June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 6/128:44 pmSTL - DFW
Nonstop1h 58mFrontier
Thu 6/195:30 pmDFW - STL
Nonstop1h 54mFrontier
Deal found 6/11$166
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/77:01 amSTL - DFW
Nonstop1h 51mAmerican Airlines
Mon 8/117:15 amDFW - STL
Nonstop1h 47mAmerican Airlines
Deal found 6/11$168
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:47 amSTL - DFW
1 stop9h 28mMultiple Airlines
Sun 7/135:06 pmDFW - STL
Nonstop1h 53mMultiple Airlines
Deal found 6/11$169
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:44 amSTL - DFW
1 stop11h 48mSpirit Airlines
Sun 9/212:19 pmDFW - STL
1 stop17h 30mSpirit Airlines
Deal found 6/10$175
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 7/266:30 amSTL - DFW
1 stop6h 07mDelta
Tue 7/299:47 amDFW - STL
1 stop6h 31mDelta
Deal found 6/11$197
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:00 amSTL - DFW
1 stop5h 14mUnited Airlines
Sat 8/165:20 amDFW - STL
2 stops10h 27mUnited Airlines
Deal found 6/10$283

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 June 12, 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 8/7

7:01 am-8:52 am

Nonstop1h 51m

Dallas/Fort Worth

Mon 8/11

7:15 am-9:02 am

Nonstop1h 47m

$168

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 7/10

10:47 am-8:15 pm

1 stop9h 28m

Dallas/Fort Worth

Sun 7/13

5:06 pm-6:59 pm

Nonstop1h 53m

$169

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 6/29

8:44 pm-10:42 pm

Nonstop1h 58m

Dallas/Fort Worth

Thu 7/3

5:30 pm-7:24 pm

Nonstop1h 54m

$172

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 9/18

8:44 am-8:32 pm

1 stop11h 48m

Dallas/Fort Worth

Sun 9/21

2:19 pm-7:49 am

1 stop17h 30m

$175

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 7/26

6:30 am-12:37 pm

1 stop6h 07m

Dallas/Fort Worth

Tue 7/29

9:47 am-4:18 pm

1 stop6h 31m

$197

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 8/13

8:00 am-1:14 pm

1 stop5h 14m

Dallas/Fort Worth

Sat 8/16

5:20 am-3:47 pm

2 stops10h 27m

$283

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 7/3

8:44 pm-10:42 pm

Nonstop1h 58m

$83

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 7/15

7:03 am-8:59 am

Nonstop1h 56m

$87

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 7/20

10:47 am-8:18 am

1 stop21h 31m

$90

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 8/20

6:00 am-12:18 pm

1 stop6h 18m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 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 June 9, 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 62 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 June 12, 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 at noon, which can drop the price by up to 28% 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 June 8, 2025.

Travelers seeking maximum savings on their St. Louis to Dallas/Fort Worth Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon 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 June 12, 2025.

The most flights from STL to DFW are scheduled on a Tuesday (36 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Dallas/Fort Worth by month

Plan your trip to Dallas/Fort Worth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas/Fort Worth Airport ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas/Fort Worth Airport when rainfall is around 1.9 in.

Temperature in Dallas/Fort Worth by month

Plan your trip to Dallas/Fort Worth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas/Fort Worth Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from St. Louis to Dallas by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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!
United Airlines
7.4
Good
8,784 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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!
Spirit Airlines
6.3
Okay
8,052 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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!
Frontier
6.0
Okay
3,295 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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 28 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 $168, 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 Frontier and Spirit Airlines - these airlines can fly you to your destination from $172 and $175, respectively. American Airlines is currently priced 39% 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?

    $83 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Spirit Airlines, with prices starting from $87 and $90, 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 (75%), Japan Airlines (71%) or Envoy Air (71%) 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 $86. While the most popular route (Lambert-St Louis - Dallas/Fort Worth) can be booked for $137 on average our data indicates $2,988 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$132FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$180Average$305FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$311FlexibilityNo cancel feeOn-time63%

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