Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. from €422

The cheapest month to fly to Washington, D.C. from Brussels Bruxelles-National Airport is in December. Flight prices, which tend to average around €318, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Washington, D.C. from Brussels Bruxelles-National Airport during November instead. Flights to Washington, D.C. in November, while not as cheap as those in December, still average around €358.

The cheapest day to depart from Brussels Bruxelles-National Airport to Washington, D.C. is on a Saturday. Travellers who choose to depart for Washington, D.C. on a Saturday will often find tickets for as low as €486. 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. on Friday is €574.

You are more likely to see cheaper flights to Washington, D.C. 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. for around €594 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. from Brussels Bruxelles-National Airport for as low as €445 on momondo.

As of June 2026, prices for Brussels Bruxelles-National Airport to Washington, D.C. flights are approximately 46% more expensive when compared to flights at the same time last year.

Historically, on average around 18% 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 135 minutes.

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

Tuesday 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 14% of their flights experiencing any sort of delay.

As of June 2026, there are 7 flights per day flying from Brussels Bruxelles-National Airport to Washington, D.C.. The most common time of day flights depart is 12:00, with 84% of flights taking off in the afternoon.

As of June 2026, there are 52 flights per week flying from Brussels Bruxelles-National Airport to Washington, D.C.. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.