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St. Louis

$36+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
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 September, booked 47 days in advance, depart on a Tuesday or Wednesday 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 July 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Wed 9/24:16 pm
DFW
-
STL
1 stop25h 06m
Frontier
Sun 9/65:27 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 7/25$123
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:35 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Fri 8/286:17 pm
STL
-
DFW
1 stop21h 43m
Frontier
Deal found 7/27$125
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:35 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Fri 9/112:29 pm
STL
-
DFW
1 stop28h 14m
Frontier
Deal found 7/27$126
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/82:35 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Wed 9/92:29 pm
STL
-
DFW
1 stop16h 31m
Frontier
Deal found 7/25$135
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 11/123:58 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Mon 11/1610:35 am
STL
-
DFW
1 stop9h 15m
Frontier
Deal found 7/25$137
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:20 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Thu 8/206:17 pm
STL
-
DFW
1 stop21h 43m
Frontier
Deal found 7/28$138
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:20 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Fri 8/216:17 pm
STL
-
DFW
1 stop21h 43m
Frontier
Deal found 7/27$139
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:00 am
DFW
-
STL
1 stop7h 22m
Frontier
Fri 9/46:17 pm
STL
-
DFW
1 stop28h 14m
Frontier
Deal found 7/28$142
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:17 am
DFW
-
STL
1 stop11h 05m
Frontier
Sun 9/65:27 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 7/26$145
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:17 am
DFW
-
STL
1 stop11h 05m
Frontier
Sun 8/306:17 pm
STL
-
DFW
1 stop17h 59m
Frontier
Deal found 7/26$147
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:20 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Tue 9/16:45 pm
STL
-
DFW
1 stop16h 12m
Frontier
Deal found 7/28$148

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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$123
(Kiwi.com)

One-way from

$36
(Super.com)

Popular in

February

Cheapest in

August

Average price

$312

Good round-trip deal

$118 or less

Good one-way deal

$153 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. 26% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 30, 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

Wed 8/26

8:10 am-2:33 pm

1 stop6h 23m

Lambert-St Louis

Sat 8/29

6:20 am-1:31 pm

1 stop7h 11m

$200
Quickest round-trip

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 8/18

10:25 am-3:38 pm

1 stop5h 13m

Lambert-St Louis

Sat 8/22

8:00 am-1:10 pm

1 stop5h 10m

$217

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 8/24

6:25 pm-11:58 pm

1 stop5h 33m

Lambert-St Louis

Mon 8/31

12:52 pm-8:50 pm

1 stop7h 58m

$217

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 8/24

12:35 pm-10:00 pm

2 stops9h 25m

Lambert-St Louis

Mon 8/31

3:13 pm-9:38 pm

1 stop6h 25m

$302

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 9/8

10:25 am-3:44 pm

1 stop5h 19m

Lambert-St Louis

Wed 9/9

10:53 am-7:57 pm

2 stops9h 04m

$302

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 8/25

12:00 pm-10:00 pm

2 stops10h 00m

Lambert-St Louis

Tue 9/1

11:15 am-4:05 pm

1 stop4h 50m

$302

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 10/22

5:30 am-10:51 am

1 stop5h 21m

Lambert-St Louis

Sun 10/25

6:00 am-11:13 am

1 stop5h 13m

$303

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 8/18

12:35 pm-10:00 pm

2 stops9h 25m

Lambert-St Louis

Tue 8/25

7:25 am-4:05 pm

2 stops8h 40m

$307

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 8/20

5:45 am-3:38 pm

2 stops9h 53m

Lambert-St Louis

Sat 8/22

7:25 am-5:45 pm

2 stops10h 20m

$347
Cheapest one-way

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 8/29

8:28 am-4:11 pm

1 stop7h 43m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 July.
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
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 46 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 $210). Flying from Dallas/Fort Worth Airport to St. Louis in February is currently the most expensive (average of $681). 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 July 30, 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 morning. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

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 July 25, 2026.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings 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?

Airfare is typical for this route at the moment.

Dallas/Fort Worth Airport to St. Louis flights typically cost between $120 and $307 in September.
The cheapest round-trip price found within the last 5 days was $123 on Frontier (Sep 2-Sep 6).

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 July 30, 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
8.0
Very good
4,227 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
Southwest
8.0
Very good
4,227 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
American Airlines
7.1
Good
11,842 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
JetBlue
7.1
Good
3,028 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
Frontier
5.6
Fair
2,748 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 24 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 13m. Fly via Delta 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 $187 and $190, respectively. Frontier is currently priced 75% 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 $44. Southwest flights start at $78 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 SkyWest Airlines (86%), GOL (84%) and Frontier (82%).

  • 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 $54. On average you can expect to pay $225. The most popular route, (Dallas/Fort Worth - Lambert-St Louis), can usually be booked for $128.

  • 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 $210). Flying from Dallas/Fort Worth Airport to St. Louis in February is currently the most expensive (average of $681). 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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$79Average$165FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$187Average$314FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$341FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$243Average$265FlexibilityNo cancel feeOn-time62%

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