STL - DFW

$44 Find Cheap Flights from St. Louis to Dallas - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Dallas departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$159
Typical prices: $159-$291
Frontier
Thu 9/24Sun 9/27
STL - DFW • Non-stop
Cheapest non-stop
$163
Typical prices: $129-$289
Frontier
Thu 9/24Sun 9/27
STL - DFW • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
American Main Cabin Extra adds early boarding; Frontier Economy Bundle includes seat choice.
BA Euro Traveller includes a carry-on; Frontier Basic Fare risks middle seats.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with American Airlines and Frontier. Average duration is 1h 56m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $215 (round-trip)
Shortest trip • 4h 58m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 39% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
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Flight Deals
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Flight Deals

Cheap Flights from St. Louis to Dallas (STL-DFW)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Dallas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Dallas

Thu, Sep 24 - Sun, Sep 27
Frontier Logo
10:20 am - 12:16 pmSTL  Lambert-St Louis-DFW Dallas/Fort Worth
1h 56mnonstop
Frontier Logo
9:54 pm - 1:10 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
15h 16m2 stops Orlando Atlanta Hartsfield-Jackson
$159Frontier
Fri, Sep 4 - Sun, Sep 6
Frontier Logo
4:23 pm - 7:33 amSTL  Lambert-St Louis-DFW Dallas/Fort Worth
15h 10m1 stop Orlando
Frontier Logo
10:00 am - 5:22 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
7h 22m1 stop Atlanta Hartsfield-Jackson
$159Frontier
Fri, Oct 9 - Mon, Oct 12
Frontier Logo
10:35 am - 9:16 pmSTL  Lambert-St Louis-DFW Dallas/Fort Worth
10h 41m2 stops Atlanta Hartsfield-Jackson Tampa
Frontier Logo
3:50 pm - 5:46 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
1h 56mnonstop
$159Frontier
Sat, Sep 19 - Sun, Sep 20
Frontier Logo
12:17 pm - 10:59 pmSTL  Lambert-St Louis-DFW Dallas/Fort Worth
10h 42m1 stop Las Vegas Harry Reid Intl
Frontier Logo
7:40 am - 9:35 amDFW  Dallas/Fort Worth-STL Lambert-St Louis
1h 55mnonstop
$161Frontier
Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
7:00 am - 9:00 amSTL  Lambert-St Louis-DFW Dallas/Fort Worth
2h 00mnonstop
American Airlines Logo
8:13 pm - 9:59 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
1h 46mnonstop
$177American Airlines
Tue, Nov 17 - Thu, Nov 19
American Airlines Logo
2:54 pm - 4:55 pmSTL  Lambert-St Louis-DFW Dallas/Fort Worth
2h 01mnonstop
American Airlines Logo
9:45 pm - 11:35 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
1h 50mnonstop
$177American Airlines
Thu, Sep 10 - Wed, Sep 16
American Airlines Logo
7:00 am - 9:00 amSTL  Lambert-St Louis-DFW Dallas/Fort Worth
2h 00mnonstop
American Airlines Logo
4:16 pm - 6:04 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
1h 48mnonstop
$177American Airlines
Sat, Oct 10 - Sat, Oct 10
United Airlines Logo
6:00 am - 1:21 pmSTL  Lambert-St Louis-DFW Dallas/Fort Worth
7h 21m1 stop Chicago O'Hare Intl
United Airlines Logo
5:30 pm - 10:30 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
5h 00m1 stop Houston George Bush Intcntl
$192United Airlines
Thu, Dec 10 - Mon, Dec 14
Delta Logo
10:00 am - 3:20 pmSTL  Lambert-St Louis-DFW Dallas/Fort Worth
5h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:25 pm - 11:56 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
7h 31m1 stop Atlanta Hartsfield-Jackson
$197Delta
Sat, Nov 14 - Tue, Nov 17
Delta Logo
6:20 am - 1:37 pmSTL  Lambert-St Louis-DFW Dallas/Fort Worth
7h 17m1 stop Minneapolis St Paul
Delta Logo
7:05 am - 1:26 pmDFW  Dallas/Fort Worth-STL Lambert-St Louis
6h 21m1 stop Atlanta Hartsfield-Jackson
$205Delta
Booking Insights

KAYAK's insights & trends for St. Louis to Dallas flights

Get data-powered insights and trends into flights from St. Louis to Dallas to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Dallas/Fort Worth Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Dallas/Fort Worth Airport departing in September.

Flight prices are below average for this route right now.

Flights to Dallas/Fort Worth Airport from St. Louis usually cost between $195 and $358 in September.
The lowest price found in the past 5 days was $159 on Frontier (Sep 4-Sep 6).

What’s the cheapest day of the week to fly from St. Louis to Dallas?

The average price of all round-trip flights from St. Louis to Dallas/Fort Worth Airport clicked on KAYAK for each day over the last 12 months.

For St. Louis to Dallas, Thursday is the cheapest day to fly on average and Monday is the most expensive. Flying from Dallas back to St. Louis, the best deals are generally found on Tuesday, with Monday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Dallas/Fort Worth Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Dallas/Fort Worth Airport is October, where tickets cost $223 (return) on average. On the other hand, the most expensive months are June and March, where the average cost of round-trip tickets is $342 and $336 respectively.

Can I save money by flying with a layover from St. Louis to Dallas/Fort Worth Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $240, prices are generally cheapest when you fly direct.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Dallas/Fort Worth Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Dallas/Fort Worth Airport, you should book around 4 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Expert advice

Expert advice for your flight from St. Louis to Dallas

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Ramsey Qubein

Ramsey Qubein

Expert on DFW

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Good to know

Low season

January

Cheapest flight

$44
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly with an average 2% increase in price.
Flight from St. Louis to Dallas

When to book flights from St. Louis to Dallas

Are your dates flexible? Find out the best times to travel from St. Louis to Dallas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking St. Louis to Dallas flights

  • What are the transport options from Dallas Fort Worth Airport to downtown?

    Dallas Area Rapid Transit DART Tram servicing the Orange Line connects DFW Airport Station to the West End station in Downtown Dallas. The train operates after every 30 minutes. Jayride Shuttles, available on demand, connect DFW Airport to Downtown Dallas. Taxis are available on demand and links DFW Airport to Downtown Dallas.

  • Can a minor fly unaccompanied from St. Louis Lambert to Dallas, Fort Worth?

    Delta Airlines allows children aged 5 to 14 years to travel unaccompanied from STL to DFW. However, only those aged 8 to 14 can travel with connecting flights. You must check in with your minor at least 2 hours before departure. You must provide documents for your child, including a passport and birth certificate, such as photo ID and contact phone number, and the receiving adult, such as name, photo, contact phone number, and address.

  • Which airline offers family-friendly services from St. Louis Lambert to Dallas, Fort Worth?

    For a convenient flight with your child from STL to DFW, consider flying with Frontier. The airline offers family-friendly services, allowing you to board with an FAA-approved child restraining device for enhanced minor safety. The airline provides those with young children priority check-in and boarding, changing tables and bassinets for infants, child-friendly meals, and family seating options. They also offer entertainment ranging from music to kid kits.

  • Which airlines offer accessible services from St. Louis Lambert to Dallas Fort Worth?

    United offers accessible services to special needs passengers traveling from STL to DFW. They provide alternative communication means to their low-vision and heard-to-hear passengers, including braille cards, audio descriptions, and closed captioning. They also offer wheelchair services for those with reduced mobility during navigation, boarding, and disembarking. Furthermore, they provide onboard mobility aid equipment for these passengers, including wheelchairs, walkers, and crutches.

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

    In the last 5 days, the lowest price for a flight from St. Louis to Dallas/Fort Worth Airport was $44 for a one-way ticket and $159 for a round-trip.

  • Do I need a passport to fly between St. Louis and Dallas?

    A passport is not required to fly from St. Louis to Dallas.

  • Which airlines offer Wi-Fi service onboard planes from St. Louis to Dallas?

    American Airlines, JetBlue, Alaska Airlines, Lufthansa, and United Airlines offer inflight Wi-Fi service on the St. Louis to Dallas flight route.

  • Which aircraft models fly most regularly from St. Louis to Dallas?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the St. Louis to Dallas flight route.

  • Which airline alliances offer flights from St. Louis to Dallas?

    oneworld is the only airline alliance operating flights between St. Louis and Dallas.

  • On which days can I fly direct from St. Louis to Dallas?

    There are nonstop flights from St. Louis to Dallas on a daily basis.

  • Which is the best airline for flights from St. Louis to Dallas, Southwest or American Airlines?

    The two airlines most popular with KAYAK users for flights from St. Louis to Dallas are Southwest and American Airlines. With an average price for the route of $357 and an overall rating of 8.0, Southwest is the most popular choice. American Airlines is also a great choice for the route, with an average price of $303 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from St. Louis to Dallas?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Dallas.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Dallas?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dallas from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Dallas?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dallas with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and DFW can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Dallas?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dallas from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from St. Louis to Dallas/Fort Worth Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $179 or less one-way and $352 or less round-trip.
  • Delta will allow you to bring a carry-on bag and a personal item from St. Louis Lambert International Airport (STL) to Dallas/Fort Worth International Airport (DFW) for free. The maximum dimensions allowed are 17 × 13 × 9 inches for your personal item and 22 × 14 × 9 inches for your carry–on.
  • You can travel with your pet from STL to DFW for a fee with American. The maximum dimension for the pet carrier must be 19 × 133 × 9 inches if it is hard-sided and 18 × 11 × 11 inches for a soft-sided kennel. The kennel must be small to fit under the seat but comfortable for pet mobility. Your pet's combined weight and kennel must not exceed 20 lbs.
  • When traveling from STL to DFW, Frontier can offer special meals tailored to your diet. They offer these meals to passengers who are diabetic, gluten-intolerant, low-fat, lactose-intolerant, and religion- or culture-abiding, vegan, and vegetarian.
  • Consider flying with American Airlines for Business or First-class flights from STL to DFW. You will enjoy enhanced services and amenities, including access to their American Airlines Admirals Club near Gate C1 between Concourses B and C on the airside of Terminal 1 in STL Airport, increased baggage allowance, comfortable lie-flat seats, and premium dining options.
  • Several fights from STL to DFW have layovers en route. Some of the common layovers include Denver (DEN) by Frontier, Houston (IAH) by United, Minneapolis (MSP) by Delta, Atlantic (ATL) by Delta, and Chicago (ORD) by United.

Prefer to fly direct from St. Louis to Dallas?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Lambert-St Louis to Dallas/Fort Worth.
Find which airlines fly direct from Lambert-St Louis Airport to Dallas/Fort Worth Airport, which days they fly and book direct flights.

Direct departures

Lambert-St Louis to Dallas/Fort Worth

Monday

American Airlines,Frontier

American Airlines,Frontier

Tuesday

American Airlines,Frontier

American Airlines,Frontier

Wednesday

American Airlines

American Airlines

Thursday

American Airlines,Frontier

American Airlines,Frontier

Friday

American Airlines,Frontier

American Airlines,Frontier

Saturday

American Airlines

American Airlines

Sunday

American Airlines,Frontier

American Airlines,Frontier

See more direct flights

Direct returns

Dallas/Fort Worth to Lambert-St Louis

Monday

American Airlines,Frontier

American Airlines,Frontier

Tuesday

American Airlines,Frontier

American Airlines,Frontier

Wednesday

American Airlines

American Airlines

Thursday

American Airlines,Frontier

American Airlines,Frontier

Friday

American Airlines,Frontier

American Airlines,Frontier

Saturday

American Airlines

American Airlines

Sunday

American Airlines,Frontier

American Airlines,Frontier

See more direct flights

Everything you need to know for your flight from St. Louis to Dallas

Other airlines flying to St. Louis

Flight deals from the most popular airlines with KAYAK users flying the route