Cheap flights from Washington, D.C. Dulles Intl Airport to Dallas from $100

If you are unable to visit Dallas during the month of October, then departing from Washington, D.C. Dulles Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around $48.

On average, the least expensive day to fly to Dallas from Washington, D.C. Dulles Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $372. 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. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $509.

Flying to Dallas from Washington, D.C. Dulles Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $380 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around $448 per ticket.

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

You are more likely to see cheaper flights to Dallas from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around $302 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. Dulles Intl Airport for as low as $227 on momondo.

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

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

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Dallas from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Dallas. Keep in mind that there are 5 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 172 minutes.

Generally, flights departing in the morning 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. Saturday 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 13% of their flights experiencing any sort of delay.

14 flights are operational daily from Washington, D.C. Dulles Intl Airport to Dallas as of May 2026. The most popular departure time for this route is 7:00PM, with 50% of flights per day taking off in the evening.

The number of flights available between Washington, D.C. Dulles Intl Airport and Dallas is 101 per week as of May 2026. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.