Cheap flights from Washington to Washington, D.C. from $122

In general, February is the cheapest month to fly from State of Washington 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 $303. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $325.

Our data shows that Thursday 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 $434. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Washington, D.C. Dulles Intl Airport for around $578.

Flying to Washington, D.C. Dulles Intl Airport from State of Washington in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $329 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $529 on average. Flights to Washington, D.C. Dulles Intl Airport from State of Washington in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Seattle/Tacoma Intl to Washington, D.C. Dulles Intl for the best Washington - Washington, D.C. Dulles Intl flight prices

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from State of Washington 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 $424 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 State of Washington for as low as $318 on momondo.

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

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

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 6 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.

As of March 2026, there are 13 flights per day flying from State of Washington to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 9:00PM, with 41% of flights taking off in the evening.

The number of flights available between State of Washington and Washington, D.C. Dulles Intl Airport is 92 per week as of March 2026. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.