Cheap Flights from St Louis to Dallas Fort Worth International

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Flight deals from St Louis Airport to Dallas Fort Worth International Airport

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Dallas Fort Worth International Airport? If you want to travel next month, return fares start from R 2,255. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Dallas Fort Worth International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Dallas Fort Worth International flights are currently cheapest in April.

Direct flights from St Louis to Dallas Fort Worth International

St Louis to Dallas Fort Worth International: Alternative routes

Compare routes from St Louis to Dallas below. You may find an airport to fly into that's cheaper, faster, or easier than Dallas Fort Worth International.

St Louis to Dallas: Flight information

The things to know before you go.
Cheapest flight foundR 1,125
Cheapest month to flyMay
Average flight time2 hrs, 2 mins
Most popular airlineAmerican Airlines
Average flights per week389

Finding cheap flights from St Louis to Dallas Fort Worth International: Frequently asked questions

The best price we found for a return flight from St Louis to Dallas Fort Worth International is R 2,129. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 2 minutes is the average flight time from St Louis to Dallas Fort Worth International.
American Airlines, Qatar Airways and Alaska Airlines fly direct from St Louis to Dallas Fort Worth International.
As of March 2026, there are 389 flights per week flying from St Louis to Dallas Fort Worth International.
The cheapest month to fly from St Louis to Dallas Fort Worth International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Dallas Fort Worth International Airport on Wednesday, 29 April 2026.
Yes – the average flight time is 2 hours and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dallas Fort Worth International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dallas is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Dallas Fort Worth International.

Flying from Lambert-St. Louis International Airport (STL) to Dallas/Fort Worth International Airport (DFW): what you need to know

  • Around 2 hours is how long you can expect to be in the air on a direct flight from Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport.

  • Dallas's timezone is UTC-5, which is the same as St Louis.

  • Choose from 62 weekly Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport flights. The 05:00 departure with American Airlines is the earliest flight available. American Airlines operates the last service of the day at 19:56.

  • To ensure you get on your STL to DFW flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Be prepared for longer queues in popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

  • Flying into Dallas (and then exploring more of United States!) is a cinch with American Airlines. This popular carrier has direct flights from Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport.

  • Most passengers choose to travel with American Airlines on this route.

  • Frontier Airlines tops the rankings as the most punctual carrier for STL to DFW flights, with 86.67% of services arriving as scheduled.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to explore your chosen city. Some great stopovers between STL and DFW include:

    • Bill and Hillary Clinton National Airport

    • Wichita Dwight D. Eisenhower National Airport

    • Kansas City International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Dallas/Fort Worth International Airport (DFW)

  • Currently, R 1,125 is the lowest price we've found for a one-way Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport flight. The best price for a return ticket is R 2,129. Remember that fares may change due to demand when booking.

  • Score cheap tickets from STL to DFW by booking at least eight months ahead. According to our research, that's the sweet spot for picking up a bargain.

  • Organise your trip for July. That's the cheapest month for flights from Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport. If you're flexible on when you fly, try out the 'Whole month' tool to see the lowest airfare across every month.

  • There's no need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll let you know the moment a special offer becomes available on cheap flights from STL to DFW.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

  • You'll find STL at 10701 Lambert International Blvd..

  • When it comes to Lambert-St. Louis International Airport's on-time performance, 78.04% of flights complete their journey on time.

  • Central St Louis to Lambert-St. Louis International Airport is approximately 26 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to catch public transport? You can expect a journey time of around 35 minutes.

  • Get your break off to a hassle-free start by staying near STL. Whether you've booked an early flight from Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport or want to avoid feeling rushed, these hotels are ideal:

Arriving at Dallas/Fort Worth International Airport (DFW)

Getting from Dallas/Fort Worth International Airport (DFW) to central Dallas

  • DFW is located at International Pkwy.

  • Dallas/Fort Worth International Airport is approximately 32 kilometres from central Dallas. The drive time takes about 25 minutes.

  • Getting to the centre on public transport takes about 3 hours 55 minutes.

When to fly to Dallas/Fort Worth International Airport (DFW)

  • July is the busiest month for flights from Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport. To skip the crowds, go to Dallas in February.

  • When reserving your flight from Lambert-St. Louis International Airport to Dallas/Fort Worth International Airport, consider the kind of weather you like. August is the warmest month in Dallas, with temperatures ranging from 24ºC (75ºF) to 41ºC (106ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from STL to DFW in January. Average temperatures are between 1ºC (34ºF) and 16ºC (61ºF) then.

Explore more of United States

  • Houston is just one of the many cities in United States waiting to be explored once you've seen the sights of Dallas. Around 370 kilometres away to the south, its top attractions include The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • San Antonio is another favourite destination in United States and is around 402 kilometres south-west of Dallas. No trip is complete without experiencing The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.