$121 Cheap American Airlines flights St. Louis (STL) to Dallas (DFW)

Landing cheap one-way American Airlines flights from STL to DFW from $121 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $202 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for one-way or return flights to Dallas in February or January. You could find an affordable fare with American Airlines during these off-peak times.

Start searching one to three months ahead of your travel date to get cheap fares on American Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Yes, you can fly from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW) on one of American Airlines’s 42 direct weekly flights. Make use of our “Nonstop” and “Airline” filters to find the American Airlines flight that’ll land at DFW at a time that suits you.

The journey time for a nonstop American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW) typically takes 2h 8m.

American Airlines operates the most flights from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW) on Tuesday. With up to 6 daily departures, you’ll get the most flexibility on this day.

The first American Airlines flight from STL to DFW departs at 5:03AM UTC-6, landing at 7:17AM UTC-6. If you prefer to head off later, the last American Airlines flight leaves STL at 5:12PM UTC-6 and touches down at DFW at 7:15PM UTC-6. Flying before noon is often a smart choice as morning and mid-morning flights are less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Most American Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Dallas arrive at Dallas-Fort Worth Intl. Airport (DFW). This is the airline’s main point of entry to the city. It’s worth checking Expedia for flights to nearby airports such as Love Field Airport (DAL), as fares may be lower.

For the Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW) route, American Airlines typically uses Boeing 737-800 and Airbus A319 planes. Remember that last-minute changes can occur for operational purposes, meaning your flight could be on a different aircraft.

Depending on your fare type, a fee may apply if you modify or cancel your booking more than 24 hours after it’s been confirmed. To secure tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while searching for flights. To learn more about canceling or changing your reservation, go to “Trips,” select your flight and tick “Manage Booking.”