HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$46+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas/Fort Worth to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Dallas/Fort Worth to Lambert-St Louis are usually found in August or July, booked 88 days in advance, depart on a Thursday or Sunday 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 diciembre 4, 2025.

This CheapOair deal was found by Cheapflights users on 12/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1710:15 amDFW - STL
1 stop12h 18mFrontier
lun. 12/229:07 amSTL - DFW
1 stop10h 53mFrontier
Deal found 12/2$163
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/308:57 pmDFW - STL
1 stop25h 36mFrontier
vie. 1/210:10 pmSTL - DFW
1 stop7h 33mFrontier
Deal found 12/3$171
This Mytrip deal was found by Cheapflights users on 12/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/308:57 pmDFW - STL
1 stop25h 36mFrontier
dom. 1/410:10 pmSTL - DFW
1 stop18h 29mFrontier
Deal found 12/1$175
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:01 pmDFW - STL
1 stop20h 39mMultiple Airlines
mié. 1/77:43 pmSTL - DFW
1 stop17h 10mMultiple Airlines
Deal found 12/3$182
This Frontier deal was found by Cheapflights users on 12/4. 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.
jue. 12/119:00 pmDFW - STL
1 stop11h 59mFrontier
jue. 1/83:43 pmSTL - DFW
1 stop7h 16mFrontier
Deal found 12/4$183
This CheapOair deal was found by Cheapflights users on 12/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1510:15 amDFW - STL
1 stop12h 18mFrontier
mar. 12/163:30 pmSTL - DFW
1 stop16h 45mFrontier
Deal found 12/2$184
This CheapOair deal was found by Cheapflights users on 12/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1510:15 amDFW - STL
1 stop12h 18mFrontier
vie. 1/210:10 pmSTL - DFW
1 stop13h 07mFrontier
Deal found 12/3$185
This Frontier deal was found by Cheapflights users on 12/4. 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.
vie. 12/1210:38 pmDFW - STL
1 stop11h 36mFrontier
jue. 1/83:43 pmSTL - DFW
1 stop7h 16mFrontier
Deal found 12/4$187
This CheapOair deal was found by Cheapflights users on 12/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/1410:15 pmDFW - STL
1 stop13h 07mFrontier
mié. 12/177:43 pmSTL - DFW
1 stop28h 26mFrontier
Deal found 12/2$188
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1510:46 pmDFW - STL
2 stops35h 28mFrontier
jue. 12/1810:42 amSTL - DFW
1 stop12h 17mFrontier
Deal found 12/2$191
This Super.com deal was found by Cheapflights users on 12/3. 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.
lun. 12/2210:47 pmDFW - STL
1 stop22h 38mFrontier
mar. 1/135:11 pmSTL - DFW
1 stop27h 55mFrontier
Deal found 12/3$194

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 diciembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$146
(Kiwi.com)

One-way from

$46
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$325

Good round-trip deal

$208 or less

Good one-way deal

$95 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. 14% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 diciembre 4, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to St. Louis that are best for you.

Fly from

Dallas/Fort Worth

Fly to

St. Louis

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 2/19

5:22 am-11:02 am

1 stop5h 40m

Lambert-St Louis

sáb. 2/21

7:10 am-12:36 pm

1 stop5h 26m

$177

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mié. 12/31

1:01 pm-9:40 am

1 stop20h 39m

Lambert-St Louis

mié. 1/7

7:43 pm-12:53 pm

1 stop17h 10m

$182

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

lun. 1/12

9:16 pm-10:59 pm

Nonstop1h 43m

Lambert-St Louis

mié. 1/14

5:04 pm-7:20 pm

Nonstop2h 16m

$197

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

vie. 1/16

3:40 pm-10:00 pm

1 stop6h 20m

Lambert-St Louis

sáb. 1/17

6:30 am-12:10 pm

1 stop5h 40m

$216

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

sáb. 1/10

4:44 pm-8:40 am

2 stops15h 56m

Lambert-St Louis

lun. 1/12

8:50 am-6:10 pm

1 stop9h 20m

$217

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 1/1

5:30 am-12:24 pm

1 stop6h 54m

Lambert-St Louis

jue. 1/8

7:10 am-12:44 pm

1 stop5h 34m

$232

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 12/18

10:47 pm-9:25 pm

1 stop22h 38m

Lambert-St Louis

dom. 12/21

10:10 pm-5:43 am

1 stop7h 33m

$233

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 12/18

9:16 pm-10:02 am

1 stop12h 46m

Lambert-St Louis

vie. 12/19

8:37 pm-7:31 am

1 stop10h 54m

$239

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mar. 1/20

2:34 pm-4:14 pm

Nonstop1h 40m

Lambert-St Louis

mié. 1/21

6:00 am-11:55 am

1 stop5h 55m

$241

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

lun. 1/19

3:40 pm-10:00 pm

1 stop6h 20m

Lambert-St Louis

mar. 1/20

11:20 am-8:03 pm

2 stops8h 43m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 21 results
1
2
3

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dallas/Fort Worth Airport-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to St. Louis. Price data was last updated on November 28, 2025.

The best time to book flights from Dallas/Fort Worth Airport to St. Louis is 88 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 $87). Flying from Dallas/Fort Worth Airport to St. Louis in March is currently the most expensive (average of $197). 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 diciembre 4, 2025.

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 31% 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 November 29, 2025.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to St. Louis flight should consider departing on Tuesday 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 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
Airports
DFW

For a quick departure, use the DART Orange Line to reach DFW's Terminal A directly from downtown Dallas.

Read more about DFWby Chris Dong
STL

Use the MetroLink light rail for a convenient, economical ride from STL to downtown St. Louis in about 40 minutes.

Read more about STLby Taryn White
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

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 diciembre 4, 2025.
See what other customers who have flown with Southwest, American Airlines, and Frontier 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
8.0
Very good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
11,043 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.8
Fair
3,092 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 23 inbound flights from Dallas/Fort Worth per day. 3 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 1h 43m. Fly via Delta, American Airlines, or United Airlines 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 $79, 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 American Airlines and Southwest - these airlines can fly you to your destination from $176 and $177, respectively. Frontier is currently priced 72% 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 $78 while deals on American Airlines start at $88 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 (90%), SkyWest Airlines (80%) and Finnair (75%).

  • 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 $40. On average you can expect to pay $224. The most popular route, (Dallas/Fort Worth - Lambert-St Louis), can usually be booked for $138.

  • 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 $87). Flying from Dallas/Fort Worth Airport to St. Louis in March is currently the most expensive (average of $197). 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
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Discover the top 3 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 diciembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$81Average$179FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$176Average$336FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$177Average$293FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.