Cheap flights from Detroit to Washington, D.C. from $136

In general, September is the cheapest month to fly from Detroit 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 $261. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $269.

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 $357. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Detroit to Washington, D.C. Dulles Intl Airport for around $868.

Flying to Washington, D.C. Dulles Intl Airport from Detroit in the afternoon 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 afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $746 on average. Flights to Washington, D.C. Dulles Intl Airport from Detroit at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl for the best Detroit - Washington, D.C. Dulles Intl flight prices

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Detroit 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 $300 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 Detroit for as low as $252 on momondo.

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

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

Delta, United Airlines and Frontier are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Detroit according to our data. Delta is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 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 October 2026, there are 10 flights per day flying from Detroit to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 9:00PM, with 39% of flights taking off in the evening.

As of October 2026, 70 flights take off from Detroit and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Thu, with 34% of weekly flights taking off on this day.