Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. from €404

The month of February is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport, with most prices found around €510. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport during May instead. Flights to Washington, D.C. Dulles Intl Airport in May, while not as cheap as those in February, still average around €518.

According to our data, Saturday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport. The lowest ticket price found for a Saturday departure recently was €487. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Friday is €576.

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport 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 €560 when searching weeks before you fly. 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 Bruxelles-National Airport for as low as €471 on momondo.

Historically, on average around 16% 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 133 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

As of March 2026, 7 flights take off from Brussels Bruxelles-National Airport and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 10:00, with 100% of daily flights taking off at midday.

As of March 2026, 49 flights take off from Brussels Bruxelles-National Airport 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.