Cheap flights from Dallas to District of Columbia from $89

In general, August is the cheapest month to fly from Dallas to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $163. If you don’t want to visit District of Columbia in August, then you should wait until September to fly from Dallas, when ticket prices are also cheap, with an average price of $180.

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $289. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Dallas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $536.

Flying to District of Columbia from Dallas in the evening is the least expensive time of day to depart. momondo users have found prices as low as $278 when looking at flights departing in the evening. Flights to District of Columbia are more costly in the afternoon, with an average ticket price of $447. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to District of Columbia from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $258 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Dallas for as low as $186 on momondo.

There are 4 cabin classes available to choose from on Dallas to District of Columbia 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 Dallas to District of Columbia

Frontier, American Airlines and Southwest are the top three most popular airlines that fly to District of Columbia from Dallas according to our data. Frontier is the first choice among our users, with 35% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 7 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

The number of flights available between Dallas and District of Columbia is 25 per day as of March 2026. The most frequent departure time is 7:00PM, with 46% of daily flights leaving in the afternoon.

As of March 2026, there are 180 flights per week flying from Dallas to District of Columbia. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.