Cheap flights from Dallas to Washington, D.C. from $98

In general, March is the cheapest month to fly from Dallas to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $42. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $46.

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $255. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Dallas to Washington, D.C. Dulles Intl Airport for around $691.

Flying to Washington, D.C. Dulles Intl Airport from Dallas in the morning is the least expensive time of day to depart. momondo users have found prices as low as $346 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 $615 on average. Flights to Washington, D.C. Dulles Intl Airport from Dallas in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $261 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Dallas for as low as $183 on momondo.

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

Frontier, American Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Dallas according to our data. Frontier is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Dallas and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 147 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. Sunday 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 12% of their flights experiencing any sort of delay.

As of May 2026, there are 12 flights per day flying from Dallas to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 7:00PM, with 51% of flights taking off in the afternoon.

As of May 2026, 85 flights take off from Dallas and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Thu, with 16% of weekly flights taking off on this day.