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$95+ Cheap flights from St. Louis (STL) to Dallas

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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Jun 27 — Jul 41
Sat 6/27
Sat 7/4
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Dallas 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

Cheapest flights from St. Louis to Dallas
Explore the most affordable flight options available from St. Louis to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.

This Super.com deal was found by Cheapflights users on 5/26. 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.
Thu 6/257:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Thu 7/24:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Deal found 5/26$190
This Super.com deal was found by Cheapflights users on 5/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Tue 7/71:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Deal found 5/28$191
This Frontier deal was found by Cheapflights users on 5/26. 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.
Wed 6/247:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Sat 6/274:37 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Deal found 5/26$192
This Super.com deal was found by Cheapflights users on 5/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Fri 7/34:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Deal found 5/28$193
This Super.com deal was found by Cheapflights users on 5/23. 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.
Wed 6/177:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Tue 6/234:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Deal found 5/23$200
This Flightnetwork deal was found by Cheapflights users on 5/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Tue 6/304:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Deal found 5/26$203
This Frontier deal was found by Cheapflights users on 5/24. 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 6/167:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Sat 6/204:37 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Deal found 5/24$204
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Mon 6/294:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Deal found 5/27$206
This Frontier deal was found by Cheapflights users on 5/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:33 pm
STL
-
DFW
Nonstop1h 55m
Frontier
Wed 8/2612:49 pm
DFW
-
STL
Nonstop1h 59m
Frontier
Deal found 5/28$209
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Wed 6/174:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Deal found 5/27$210
This Delta deal was found by Cheapflights users on 5/24. 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 10/31:30 pm
STL
-
DAL
1 stop9h 08m
Delta
Wed 10/78:00 am
DAL
-
STL
1 stop7h 58m
Delta
Deal found 5/24$245
This Delta deal was found by Cheapflights users on 5/24. 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.
Fri 10/26:45 pm
STL
-
DAL
1 stop14h 52m
Delta
Wed 10/78:00 am
DAL
-
STL
1 stop7h 58m
Delta
Deal found 5/24$255

Find flight deals from St. Louis to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Dallas (A78). 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 May 28, 2026.

Round-trip from

$190
(Super.com)

One-way from

$95
(Super.com)

Popular in

February

Cheapest in

August

Average price

$302
From Lambert-St Louis to Dallas
Search Deals
One-way flight from Lambert-St Louis to Dallas
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($58 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 May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Dallas 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 May 28, 2026.
Use the filters below to find and compare flights from St. Louis to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Tue 7/7

8:25 am-10:05 am

Nonstop1h 40m

Dallas Love Field

Tue 7/21

4:40 pm-6:25 pm

Nonstop1h 45m

$261
Quickest round-trip

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Thu 7/16

5:05 am-6:45 am

Nonstop1h 40m

Dallas Love Field

Mon 7/20

8:30 pm-10:10 pm

Nonstop1h 40m

$261

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Sat 6/20

5:45 am-7:25 am

Nonstop1h 40m

Dallas Love Field

Sat 6/27

6:05 am-7:50 am

Nonstop1h 45m

$263

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Fri 7/3

7:20 pm-9:00 pm

Nonstop1h 40m

Dallas Love Field

Mon 7/6

10:50 pm-12:40 am

Nonstop1h 50m

$263

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Thu 7/30

9:50 pm-11:30 pm

Nonstop1h 40m

Dallas Love Field

Wed 8/5

12:55 pm-5:50 pm

1 stop4h 55m

$271

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Mon 7/13

5:05 am-6:45 am

Nonstop1h 40m

Dallas Love Field

Fri 7/17

7:20 am-9:05 am

Nonstop1h 45m

$276

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Wed 7/15

9:15 pm-10:55 pm

Nonstop1h 40m

Dallas Love Field

Fri 7/17

10:50 pm-12:40 am

Nonstop1h 50m

$276

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Thu 6/25

2:15 pm-3:55 pm

Nonstop1h 40m

Dallas Love Field

Mon 6/29

5:25 pm-7:10 pm

Nonstop1h 45m

$276

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Wed 7/29

8:35 am-11:50 am

1 stop3h 15m

Dallas Love Field

Mon 8/3

9:00 am-1:35 pm

1 stop4h 35m

$276

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 7/30

6:00 am-12:44 pm

1 stop6h 44m

Dallas/Fort Worth

Sat 8/1

3:00 pm-10:03 pm

1 stop7h 03m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/27

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from St. Louis to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas 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

What is the cheapest month to book a flight from St. Louis to Dallas?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Dallas (average of $52). Flying from St. Louis to Dallas in March is currently the most expensive (average of $238). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 28, 2026.

When flying from St. Louis to Dallas, 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 30% versus a flight in the afternoon.

Weekly flight availability from St. Louis to Dallas

Explore weekly flight availability from St. Louis to Dallas. 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 May 28, 2026.

The most flights from STL to A78 are scheduled on a Thursday (40 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (25 on average).

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

How far ahead should I book a flight from St. Louis to Dallas?

The price you pay for your flight from St. Louis to Dallas may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from St. Louis to Dallas?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Dallas. Price data was last updated on May 23, 2026.

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

The best insider tips for St. Louis to Dallas 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 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
Paul Rubio

Paul Rubio

Expert on DAL

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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. Reviews last updated May 28, 2026.
Peruse reviews from past customers who have flown with Southwest,JetBlue, andAmerican Airlines from St. Louis to Dallas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,264 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
7.9
Good
4,264 reviews
Southwest
7.9
Good
4,264 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
2,983 reviews
Southwest
7.9
Good
4,264 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
11,642 reviews
Southwest
7.9
Good
4,264 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
5.6
Fair
2,931 reviews
Southwest
7.9
Good
4,264 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

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. 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?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Dallas. 4 airlines have flights from Lambert-St Louis to Dallas on a regular basis. Booking flights from Lambert-St Louis to Dallas should not be difficult; the airport handles an average of 29 outbound flights to Dallas per day.

  • How long is the flight from St. Louis to Dallas?

    A quick flight from St. Louis to Dallas can take about 1h 40m. Southwest provides one of the quickest options available for as low as $261. The distance from St. Louis to Dallas is about 545 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Frontier is currently your cheapest option to Dallas, with prices starting at $68. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $157 and $168, respectively. You may be able to fly from St. Louis to Dallas for 75% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from St. Louis to Dallas are Frontier ($38), Southwest ($69), and American Airlines ($86).

  • What are the most reliable airlines from St. Louis to Dallas?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Dallas on time: Frontier (100%), Volaris (100%), Envoy Air (89%).

  • What are the cheapest flights from St. Louis to Dallas?

    Looking at all options, your cheapest flight can be booked for $129. While the most popular route (Lambert-St Louis - Dallas/Fort Worth) can be booked for $223 on average, our data indicates $958 when flying from St. Louis to Dallas.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from St. Louis to Dallas 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?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Dallas (average of $52). Flying from St. Louis to Dallas in March is currently the most expensive (average of $238). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Dallas

Discover the top 4 airlines that operate flights from St. Louis to Dallas. 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 May 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$151FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$157Average$320FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$168Average$302FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$181Average$264FlexibilityNo cancel feeOn-time62%

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