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Everything you should know

Nonstop flights
Every day
You can fly direct with American Airlines, Southwest and Frontier. Average duration is 1h 56m
Direct flights
+1
Direct flights
+1
Top routes
STL - DFW
Cheapest • 11% average savings
STL - DAL
Most popular
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 51% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 26% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $223 (round-trip)
Houston George Bush Intcntl (IAH)
Shortest trip • 5h 08m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Multiple Airlines Logo
STL  St. Louis Lambert Airport-A78 Bude Strand
547 mimulti-stop
Multiple Airlines Logo
A78  Bude Strand-STL St. Louis Lambert Airport
547 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Dallas flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from St. Louis to Dallas. It’s 13% cheaper than the average day, while Monday is the most expensive, with prices 31% higher.

What’s the cheapest month to fly from St. Louis to Dallas?

•October is the cheapest month to fly from St. Louis to Dallas at $218 round-trip.
•March ($329) and April ($327) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 50% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Dallas the cheapest?

Flights from St. Louis to Dallas are cheapest 5 weeks before departure. Booking in this window typically costs about 51% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals
Expert advice

Expert advice for your flight from St. Louis to Dallas

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
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.

Read more
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.

Read more
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.

Read more
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.

Read more
Laura Ratliff

Laura Ratliff

Expert on DAL

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Read more

Key details for St. Louis to Dallas flights

Low season

January
Beat the crowds with an average 51% drop in travelers.

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

Your St. Louis to Dallas flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from St. Louis to Dallas?

    These are the earliest and latest flight times available from St. Louis to Dallas:

    • Earliest: departs at 5:00 am and lands at 6:56 am
    • Latest: departs at 9:50 pm and lands at 11:46 pm.

    The flight takes about 1h 56m.

  • What cabin classes can I book on flights from St. Louis to Dallas?

    Three cabin classes are available on flights from St. Louis to Dallas:

    • Economy Class
    • Business Class
    • First Class

  • How long is a flight from St. Louis to Dallas?

    A nonstop flight from St. Louis to Dallas takes 1h 56m, covering 547 miles.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a St. Louis to Dallas flight?

    Round-trip flights from St. Louis to Dallas range from $213 to $418, with an average of $295 over the past 12 months. Anything below $213 counts as a good deal.

  • How expensive are last-minute St. Louis to Dallas flights?

    Last-minute fares on this route (booked within two weeks of departure) run 63% above the $295 route average. Book 5 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from St. Louis to Dallas?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $223 round-trip via Denver Intl (DEN), compared to $297 for nonstop.

  • What is the standard checked-bag allowance on flights from St. Louis to Dallas?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $44–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • How are flight departures from St. Louis to Dallas spread across the day?

    Morning is the busiest departure period on St. Louis to Dallas flights, with 51% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 16%, and night flights for 0%.

  • Which airlines offer Wi-Fi on St. Louis to Dallas flights?

    Two airlines offer in-flight Wi-Fi on St. Louis to Dallas flights:

    • American Airlines
    • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • What car rental options are available in Dallas?

    Since Dallas is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Dallas/Fort Worth Airport (DFW) — daily rates from around $18:

    • Easirent
    • Europcar
    • Ace
    • Hertz
    • Thrifty

    Near Dallas Love Field Airport (DAL) — daily rates from around $24:

    • Easirent
    • Thrifty
    • Dollar
    • Budget
    • Hertz

  • Which airports can I use when flying from St. Louis to Dallas?

    Flights from St. Louis to Dallas usually depart from Lambert-St Louis (STL) and may arrive at several airports in Dallas area, including Dallas Addison (ADS), Dallas Love Field (DAL) and Dallas/Fort Worth (DFW).

  • Which airports do connecting flights from St. Louis to Dallas pass through?

    One-stop flights from St. Louis to Dallas most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 60% of one-stop connections
    • Denver Intl (DEN) - 27% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Dallas?

    Yes. Flexible dates can save you up to 34% on flights from St. Louis to Dallas. Saturday is the cheapest departure day at $257 round-trip on average, while Monday is the most expensive at $387, a difference of $130.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from St. Louis to Dallas?

    3 airlines operate flights between St. Louis and Dallas. The airlines offering nonstop flights on this route include:

    • American Airlines
    • Southwest
    • Frontier

  • How much time can I save by choosing a different layover airport from St. Louis to Dallas?

    Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 5h 08m, compared with 5h 55m via Atlanta Hartsfield-Jackson (ATL) and 11h 09m via Denver Intl (DEN).

  • What popular places can I visit in Dallas?

    Some of the most popular sights in Dallas are American Airlines Center, Kay Bailey Hutchison Convention Center and Dallas World Aquarium. These are among the most viewed places in Dallas on KAYAK.

  • Which airlines offer extra legroom and free seat selection on St. Louis to Dallas flights?

    Among airlines operating St. Louis to Dallas flights:

    • Southwest: offers free seat selection
    • American Airlines: offers free seat selection
    • Frontier: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on St. Louis to Dallas flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Business Class
    • Frontier: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking St. Louis to Dallas flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $257, about $130 less than Monday fares (34% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 51% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Dallas trip for October. Fares historically average $218 round-trip in that month - typically $111 less than the most expensive month, which is March (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $223 round-trip on this route - about $73 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Dallas Addison Airport

    • Residence Inn by Marriott Dallas Addison/Quorum Drive
    • Clarion Pointe Addison - Dallas North
    • Dallas/Addison Marriott Quorum by the Galleria

    Near Dallas Love Field Airport

    • Wingate by Wyndham Dallas Love Field
    • Dallas Love Field Inn
    • DoubleTree by Hilton Dallas - Love Field

Prefer to fly direct from St. Louis to Dallas?

 
Find which airlines fly direct from Lambert-St Louis Airport to Dallas, which days they fly and book direct flights.

Direct departures

Lambert-St Louis to Dallas

Monday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Southwest

American Airlines,Southwest

Thursday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Saturday

American Airlines,Southwest

American Airlines,Southwest

Sunday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

See more direct flights

Direct returns

Dallas to Lambert-St Louis

Monday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Southwest

American Airlines,Southwest

Thursday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Saturday

American Airlines,Southwest

American Airlines,Southwest

Sunday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

See more direct flights

More options for your flight from St. Louis to Dallas

Complete your trip to Dallas with a hotel stay or car rental

Car rentals in Dallas
Hotels in Dallas
Vacations in Dallas