St. Louis

$70+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
Jul 26 — Aug 21
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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 75 days in advance, depart on a Thursday or Monday and return on a Friday

Cheap 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 21, 2025.

Round-trip from

$108
(Kiwi.com)

One-way from

$70
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$235

Good round-trip deal

$107 or less

Good one-way deal

$99 or less
From Dallas/Fort Worth to Lambert-St Louis
One-way flight from Dallas/Fort Worth to Lambert-St Louis
Highest demand for flights based on searches. 15% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Dallas/Fort Worth to Lambert-St Louis.
Price to beat on a one-way flight from Dallas/Fort Worth to Lambert-St Louis.

Find 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 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/217:25 amDFW - STL
Nonstop1h 53mFrontier
Sun 8/2410:17 amSTL - DFW
Nonstop1h 56mFrontier
Deal found 7/21$108
This Booking.com deal was found by Cheapflights users on 7/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:45 amDFW - STL
1 stop6h 47mSpirit Airlines
Sun 8/242:30 pmSTL - DFW
1 stop5h 14mSpirit Airlines
Deal found 7/20$131
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 8/194:46 pmDFW - STL
Nonstop1h 44mAmerican Airlines
Tue 8/269:23 amSTL - DFW
Nonstop1h 49mAmerican Airlines
Deal found 7/20$139
This FlightHub deal was found by Cheapflights users on 7/21. 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 8/217:25 amDFW - STL
Nonstop1h 53mMultiple Airlines
Fri 8/222:30 pmSTL - DFW
1 stop5h 14mMultiple Airlines
Deal found 7/21$143
This Delta deal was found by Cheapflights users on 7/21. 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 8/169:40 amDFW - STL
1 stop6h 26mDelta
Tue 8/195:30 pmSTL - DFW
1 stop5h 05mDelta
Deal found 7/21$197
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Mon 9/225:15 amDFW - STL
1 stop4h 42mUnited Airlines
Mon 9/224:40 pmSTL - DFW
1 stop7h 01mUnited Airlines
Deal found 7/19$220

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 21, 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

Thu 8/21

7:25 am-9:18 am

Nonstop1h 53m

Lambert-St Louis

Sun 8/24

10:17 am-12:13 pm

Nonstop1h 56m

$108

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 8/22

6:45 am-1:32 pm

1 stop6h 47m

Lambert-St Louis

Sun 8/24

2:30 pm-7:44 pm

1 stop5h 14m

$131

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 8/19

4:46 pm-6:30 pm

Nonstop1h 44m

Lambert-St Louis

Tue 8/26

9:23 am-11:12 am

Nonstop1h 49m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 8/21

7:25 am-9:18 am

Nonstop1h 53m

Lambert-St Louis

Fri 8/22

2:30 pm-7:44 pm

1 stop5h 14m

$143

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 8/16

9:40 am-4:06 pm

1 stop6h 26m

Lambert-St Louis

Tue 8/19

5:30 pm-10:35 pm

1 stop5h 05m

$197

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 9/22

5:15 am-9:57 am

1 stop4h 42m

Lambert-St Louis

Mon 9/22

4:40 pm-11:41 pm

1 stop7h 01m

$220

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 8/20

9:23 pm-11:14 pm

Nonstop1h 51m

$70

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 8/18

6:45 am-1:32 pm

1 stop6h 47m

$73

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 9/7

8:00 am-9:54 am

Nonstop1h 54m

$84

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 9/24

5:29 am-9:59 am

1 stop4h 30m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 11 results
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The best insider tips for Dallas/Fort Worth Airport to St. Louis 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 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

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 July 18, 2025.

The best time to book flights from Dallas/Fort Worth Airport to St. Louis is 75 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 $311). Flying from Dallas/Fort Worth Airport to St. Louis in March is currently the most expensive (average of $356). 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 21, 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 37% 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 13, 2025.

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.

Weekly flight availability from Dallas/Fort Worth Airport to St. Louis

Explore weekly flight availability from Dallas/Fort Worth to St. Louis. 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 July 21, 2025.

The most flights from DFW to STL are scheduled on a Tuesday (34 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 on average).

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 21, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines 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.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

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 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 33 inbound flights from Dallas/Fort Worth per day. 4 airlines have flights to Lambert-St Louis from Dallas/Fort Worth on a regular basis.

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

    Currently priced at $108, 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 Spirit Airlines and American Airlines - these airlines can fly you to your destination from $131 and $139, respectively. Frontier is currently priced 61% 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 American Airlines, which is currently one of the cheapest options available, starting at $70. Spirit Airlines flights start at $73 while deals on Frontier start at $84 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 (89%), GOL (81%) and Envoy Air (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 $64. On average you can expect to pay $148. The most popular route, (Dallas/Fort Worth - Lambert-St Louis), can usually be booked for $131.

  • 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 $311). Flying from Dallas/Fort Worth Airport to St. Louis in March is currently the most expensive (average of $356). 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$172FlexibilityNo cancel feeOn-time62%
DeltaCheapest$103Average$196FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$320FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$303FlexibilityNo cancel feeOn-time63%

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