Cheap flights from Brussels to Washington, D.C. from $390

In general, February is the cheapest month to fly from Brussels 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 $645. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $654.

Our data shows that Monday 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 $851. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Brussels to Washington, D.C. Dulles Intl Airport for around $960.

Fly from Brussels Bruxelles-National to Washington, D.C. Dulles Intl for the best Brussels - Washington, D.C. Dulles Intl flight prices

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Brussels 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 $773 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 Brussels for as low as $659 on momondo.

Icelandair, British Airways, and American Airlines are the most popular carriers operating from Brussels to Washington, D.C. Dulles Intl

United Airlines, Lufthansa and Brussels Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Brussels according to our data. United Airlines is the first choice among our users, with 57% 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.

Historically, on average around 19% of flights between Brussels and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 134 minutes.

Generally, flights departing in the early afternoon 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. Monday 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 15% of their flights experiencing any sort of delay.

As of November 2026, there are 1 flights per day flying from Brussels to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 11:00AM, with 100% of flights taking off at noon.

As of November 2026, there are 12 flights per week flying from Brussels to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Fri, with 50% of flights taking off on this day.