Cheap flights from Washington, D.C. Dulles Intl Airport to Dallas from $73

The cheapest month to fly to Dallas/Fort Worth Airport from Washington, D.C. Dulles Intl Airport is in August. Flight prices, which tend to average around $197, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in August, then September is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport during September average around $197.

On average, the least expensive day to fly to Dallas/Fort Worth Airport from Washington, D.C. Dulles Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $362. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport for around $496.

Flying to Dallas/Fort Worth Airport from Washington, D.C. Dulles Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $391 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $432 on average. Flights to Dallas/Fort Worth Airport from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Dallas/Fort Worth Airport 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/Fort Worth Airport 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/Fort Worth Airport from Washington, D.C. Dulles Intl Airport for as low as $183 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Dallas/Fort Worth 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/Fort Worth

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Dallas/Fort Worth Airport from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Dallas/Fort Worth Airport. Keep in mind that there are 5 different airlines that fly to Dallas/Fort Worth Airport 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 14% of their flights experiencing any sort of delay.

Atlanta (ATL) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Flights via Houston (IAH) offer the lowest average round-trip price of $216.

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 6h 08m.

Houston (IAH) has the shortest average layover time for this route: 1h 05m.

As of March 2026, there are 9 flights per day flying from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport. The most common time of day flights depart is 5:00PM, with 53% of flights taking off in the afternoon.

The number of flights available between Washington, D.C. Dulles Intl Airport and Dallas/Fort Worth Airport is 67 per week as of March 2026. The most frequent departure day is Fri, with 19% of weekly flights leaving on this day.