Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. from $430

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Brussels Bruxelles-National Airport, with most prices found around $642. If you’re not able to fly to Washington, D.C. in February, then November is your next best option. Flight prices from Brussels Bruxelles-National Airport to Washington, D.C. during November average around $676.

On average, the least expensive day to fly to Washington, D.C. from Brussels Bruxelles-National Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $849. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Brussels Bruxelles-National Airport to Washington, D.C. for around $947.

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

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 $750 when searching weeks out. 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 $641 on momondo.

There are 3 cabin classes available to choose from on Brussels Bruxelles-National Airport to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 34% on your flight if you consider stops on a Brussels Bruxelles-National Airport to Washington, D.C. flight.

Iberia, British Airways, and American Airlines are the most popular carriers operating from Brussels Bruxelles-National to Washington, D.C.

United Airlines, Brussels Airlines and Lufthansa are the top three most popular airlines that fly to Washington, D.C. from Brussels Bruxelles-National Airport according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. 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 132 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.

Dublin (DUB) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $473.

Flights connecting via London (LHR) have the shortest average one-way travel time: 11h 05m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 18m.

As of September 2026, 7 flights take off from Brussels Bruxelles-National Airport and land in Washington, D.C. each day. The most common flight departure time for this route is 12:00PM, with 76% of daily flights taking off in the afternoon.

As of September 2026, 52 flights take off from Brussels Bruxelles-National Airport and land in Washington, D.C. each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.