$99 Cheap Delta flights Dallas (DAL) to St. Louis (STL)

Grab budget-friendly return Delta Air Lines flights from $166 from DAL to STL by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $99 for a one-way trip.**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.

January is one of the least expensive months to jet away to St. Louis with Delta Air Lines. You could also find great deals on return and one-way fares in February.

Begin your search one to three months ahead of your departure date to score cheaper fares on Delta Air Lines flights from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce 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 the timing right, and you can enjoy significant savings on domestic journeys.*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.

Use the “Nonstop” filter when looking for direct Delta Air Lines flights from DAL to STL. You can also compare other airlines offering the same nonstop route.

To find the earliest departure from DAL to STL with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Booking an early flight usually means you’re less likely to experience cancellations.**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.

Delta Air Lines flights from Love Field Airport (DAL) to St. Louis come in to land at Lambert-St. Louis Intl. Airport (STL). This is the main entry point to this destination.

Delta Air Lines makes traveling from DAL to STL more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee is typically charged if you modify or cancel your booking more than 24 hours after confirmation. To find flexible fares, select our “Changes included” or “No cancel fee” filter while looking for flights. For more information on modifying or canceling your reservation, go to “Trips,” select your flight and click on “Manage Booking.”