Cheap flights from Washington, D.C. to Dallas from $66

If you are unable to visit Dallas during the month of August, then departing from Washington, D.C. during the month September is also very affordable. Most momondo users find prices during this month for around $197.

On average, the least expensive day to fly to Dallas from Washington, D.C. is on a Friday. momondo users have found tickets for Friday departures for as low as $368. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $487.

Flying to Dallas from Washington, D.C. in the morning is the least expensive time of day to depart. momondo users have found prices as low as $392 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around $433 per ticket.

Fly from Washington, D.C. Dulles Intl to Dallas/Fort Worth for the best Washington, D.C. - Dallas flight prices

You are more likely to see cheaper flights to Dallas from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from Washington, D.C. for as low as $194 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. to Dallas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Southwest, and Delta are the most popular carriers operating from Washington, D.C. to Dallas

Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Dallas from Washington, D.C. according to our data. Frontier is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Dallas. Keep in mind that there are 6 different airlines that fly to Dallas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Washington, D.C. and Dallas have experienced a delay on any given week. The average delay length over the past 12 months has been 164 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

As of March 2026, there are 18 flights per day flying from Washington, D.C. to Dallas. The most common time of day flights depart is 6:00AM, with 47% of flights taking off in the afternoon.

131 flights are operational weekly from Washington, D.C. to Dallas as of March 2026. The most popular departure day for this route is Thu, with 42% of flights per week taking off on this day.