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$39+ Cheap flights from Dallas/Fort Worth (DFW) to St. Louis (STL)

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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
Jun 2 — Jun 91
Tue 6/2
Tue 6/9
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas/Fort Worth to Lambert-St Louis are usually found in August or July, booked 15 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from Dallas/Fort Worth to St. Louis

Cheapest flights from Dallas/Fort Worth to St. Louis
Explore the most affordable flight options available from Dallas/Fort Worth to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.

This Super.com deal was found by Cheapflights users on 4/29. 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.
Mon 6/154:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Wed 6/177:46 pm
STL
-
DFW
1 stop10h 02m
Frontier
Deal found 4/29$139
This Super.com deal was found by Cheapflights users on 5/3. 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.
Sat 5/164:09 pm
DFW
-
STL
Nonstop1h 55m
Frontier
Sun 5/243:30 pm
STL
-
DFW
Nonstop2h 06m
Frontier
Deal found 5/3$142
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 5/2612:53 pm
DFW
-
STL
Nonstop1h 55m
Frontier
Fri 5/299:06 pm
STL
-
DFW
1 stop8h 35m
Frontier
Deal found 4/30$143
This Super.com deal was found by Cheapflights users on 5/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Sun 6/217:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 5/1$144
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Mon 6/11:56 pm
DFW
-
STL
2 stops27h 37m
Frontier
Thu 6/43:30 pm
STL
-
DFW
Nonstop2h 06m
Frontier
Deal found 4/29$146
This Frontier deal was found by Cheapflights users on 4/29. 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 5/2112:36 pm
DFW
-
STL
Nonstop1h 55m
Frontier
Thu 5/283:30 pm
STL
-
DFW
Nonstop2h 06m
Frontier
Deal found 4/29$147
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/174:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Sun 6/217:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 4/30$148
This Super.com deal was found by Cheapflights users on 5/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/274:37 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Wed 7/15:06 pm
STL
-
DFW
1 stop5h 44m
Frontier
Deal found 5/1$149
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/264:11 pm
DFW
-
STL
2 stops16h 44m
Frontier
Sat 5/308:16 pm
STL
-
DFW
Nonstop2h 06m
Frontier
Deal found 4/29$151
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Sun 5/2410:44 pm
DFW
-
STL
1 stop21h 27m
Frontier
Tue 6/23:33 pm
STL
-
DFW
Nonstop2h 06m
Frontier
Deal found 4/29$152
This Priceline deal was found by Cheapflights users on 5/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Sat 7/114:09 pm
STL
-
DFW
1 stop8h 13m
Frontier
Deal found 5/2$153

Find flight deals from Dallas/Fort Worth to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to St. Louis (STL). 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 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$139
(Super.com)

One-way from

$39
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$277

Good round-trip deal

$149 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for Dallas/Fort Worth-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dallas/Fort Worth-Lambert-St Louis flights.
Search Deals
From Dallas/Fort Worth to Lambert-St Louis
Search Deals
One-way flight from Dallas/Fort Worth to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Dallas/Fort Worth to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Dallas/Fort Worth to Lambert-St Louis.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth to St. Louis 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 3, 2026.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 6/6

5:24 pm-10:45 pm

1 stop5h 21m

Lambert-St Louis

Tue 6/9

5:10 am-10:39 am

1 stop5h 29m

$294

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 6/17

12:19 pm-6:07 pm

1 stop5h 48m

Lambert-St Louis

Sat 6/20

5:36 pm-10:22 pm

1 stop4h 46m

$296

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 6/20

4:51 pm-11:46 pm

1 stop6h 55m

Lambert-St Louis

Tue 6/23

6:00 am-11:14 am

1 stop5h 14m

$296

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 6/16

5:05 pm-10:18 pm

1 stop5h 13m

Lambert-St Louis

Mon 6/22

9:21 am-3:46 pm

1 stop6h 25m

$296

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 5/23

6:37 pm-11:59 pm

1 stop5h 22m

Lambert-St Louis

Sat 5/30

6:00 am-11:22 am

1 stop5h 22m

$307
Quickest round-trip

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 5/22

6:32 pm-11:21 pm

1 stop4h 49m

Lambert-St Louis

Wed 6/3

5:36 pm-10:31 pm

1 stop4h 55m

$330

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 5/24

7:10 am-12:56 pm

1 stop5h 46m

Lambert-St Louis

Sun 5/31

6:00 am-12:52 pm

1 stop6h 52m

$332

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 5/22

6:32 pm-11:21 pm

1 stop4h 49m

Lambert-St Louis

Thu 5/28

11:25 am-5:25 pm

1 stop6h 00m

$332

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 6/18

4:51 pm-11:56 pm

1 stop7h 05m

Lambert-St Louis

Sun 6/21

7:12 pm-12:19 am

1 stop5h 07m

$335

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 5/22

6:32 pm-11:21 pm

1 stop4h 49m

Lambert-St Louis

Mon 6/1

5:20 pm-12:35 am

1 stop7h 15m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Dallas/Fort Worth to St. Louis

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 Dallas/Fort Worth to St. Louis in May.
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
PricelinePrice Accuracy1 starTrust 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 Dallas/Fort Worth Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dallas/Fort Worth Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dallas/Fort Worth Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dallas/Fort Worth Airport-St. Louis 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 Dallas/Fort Worth Airport-St. Louis 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 Dallas/Fort Worth to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Dallas/Fort Worth 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 Dallas/Fort Worth Airport to St. Louis

How far ahead should I book a flight from Dallas/Fort Worth Airport to St. Louis?

The best time to book flights from Dallas/Fort Worth Airport to St. Louis is 14 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to St. Louis (average of $217). Flying from Dallas/Fort Worth Airport to St. Louis in February is currently the most expensive (average of $645). 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 DFW to STL?

Find hourly flight availability from Dallas/Fort Worth to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 3, 2026.

A simple way to save on the total cost of your ticket is to fly from Dallas/Fort Worth Airport to St. Louis in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Dallas/Fort Worth Airport to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to St. Louis. Price data was last updated on April 25, 2026.

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

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

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

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated May 3, 2026.
See what other customers who have flown with Southwest,American Airlines, andJetBlue from Dallas/Fort Worth Airport to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,308 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
7.9
Good
4,308 reviews
Southwest
7.9
Good
4,308 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
American Airlines
7.1
Good
11,673 reviews
Southwest
7.9
Good
4,308 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
JetBlue
7.1
Good
2,970 reviews
Southwest
7.9
Good
4,308 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Frontier
5.6
Fair
2,966 reviews
Southwest
7.9
Good
4,308 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to St. Louis. 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 into for flights to St. Louis from Dallas/Fort Worth?

    For a flight from Dallas/Fort Worth to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 22 inbound flights from Dallas/Fort Worth per day. 4 airlines have flights to Lambert-St Louis from Dallas/Fort Worth on a regular basis.

  • How long is the flight from Dallas/Fort Worth Airport to St. Louis?

    There are many flights that can get you from Dallas/Fort Worth Airport to St. Louis in 5h 21m. Fly via United Airlines or Delta to get the fastest option. The distance between Dallas/Fort Worth Airport and St. Louis 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 Dallas/Fort Worth Airport to St. Louis round-trip?

    Currently priced at $82, Frontier will fly you from Dallas/Fort Worth Airport to St. Louis 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 $170 and $175, respectively. Frontier is currently priced 73% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $49. Southwest flights start at $69 while deals on American Airlines start at $85 one-way.

  • What are the most reliable airlines from Dallas/Fort Worth Airport to St. Louis?

    The top 3 most reliable airlines when flying from Dallas/Fort Worth Airport to St. Louis are Frontier (100%), Volaris (100%) and Envoy Air (96%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to St. Louis?

    The cheapest flight price from Dallas/Fort Worth Airport to St. Louis is $64. On average you can expect to pay $747. The most popular route, (Dallas/Fort Worth - Lambert-St Louis), can usually be booked for $164.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas/Fort Worth to St. Louis.

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

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth to St. Louis 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 Dallas/Fort Worth Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to St. Louis (average of $217). Flying from Dallas/Fort Worth Airport to St. Louis in February is currently the most expensive (average of $645). 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
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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

Discover the top 4 airlines that operate flights from Dallas/Fort Worth to St. Louis. 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$172FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$170Average$324FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$175Average$318FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$243Average$340FlexibilityNo cancel feeOn-time62%

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