STL to DFW Flights: Connect from the Gateway City to Big D
Cheapest flight found
$126
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the Sep 3, 2026 departure — the cheapest date we found.
No price history yet. Check back after the next price check.
Price Behavior: STL → DFW
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$126
Highest Fare
$268
Median Fare
$127
Price Spread
$142
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: September 2026 (from $126)
Most expensive month: July 2026 (from $268)
Biggest price drop caught: $86 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from St. Louis to Dallas range from $126 to $268, a $142 spread across the months we track. If your dates are flexible, September 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $86 between hourly checks on this route.
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From
St. Louis (STL)
To
Dallas (DFW)
Airport Information
St. Louis (STL)
St. Louis Lambert International Airport (STL) serves as the primary commercial hub for the Missouri-Illinois metropolitan area and is conveniently located about 14 miles northwest of downtown St. Louis. Known for its historic Minoru Yamasaki-designed terminal, the airport provides a range of amenities including local favorites like Pasta House and Schlafly Beer for a final taste of the city before you depart.
Dallas (DFW)
Dallas/Fort Worth International Airport (DFW) is one of the busiest and largest airports in the world, serving as a massive global hub for American Airlines and covering more land area than the island of Manhattan. Located halfway between the cities of Dallas and Fort Worth, it features five terminals connected by the high-speed Skylink train, offering travelers seamless access to a wide array of dining, shopping, and premium lounges.
Frequently Asked Questions
How long is the flight from STL to DFW?
The average non-stop flight duration is approximately 1 hour and 45 minutes, though total travel time can vary slightly based on wind speeds and air traffic control.
Which airlines fly non-stop from St. Louis to Dallas?
American Airlines is the primary carrier offering frequent non-stop service directly to DFW, while Southwest Airlines serves the nearby Dallas Love Field (DAL).
Is there public transportation from DFW to downtown Dallas?
Yes, travelers can take the DART (Dallas Area Rapid Transit) Orange Line directly from Terminal A to various points in downtown Dallas for a very affordable fare.
What is the best time to arrive at STL for this flight?
It is recommended to arrive at least 90 minutes to 2 hours before your scheduled departure to account for security screening and potential terminal transit.
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