Cheap flights from District of Columbia to Belgium from $296

In general, October is the cheapest month to fly from District of Columbia to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $585. If you are unable to visit Belgium during the month of October, then departing from District of Columbia during the month September is also very affordable. Most momondo users find prices during this month for around $612.

Our data shows that Wednesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,045. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,265. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

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

You are more likely to see cheaper flights to Belgium from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $800 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from District of Columbia for as low as $601 on momondo.

There are 3 cabin classes available to choose from on District of Columbia to Belgium 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 24% on your flight if you consider stops on a District of Columbia to Belgium flight.

Scandinavian Airlines, Icelandair, and British Airways are the most popular carriers operating from District of Columbia to Belgium

United Airlines, Aer Lingus and Scandinavian Airlines are the top three most popular airlines that fly to Belgium from District of Columbia according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Belgium. Keep in mind that there are 11 different airlines that fly to Belgium on a routine basis, so you have a few additional options to choose from.

1 flights are operational daily from District of Columbia to Belgium as of March 2026. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.

As of March 2026, 13 flights take off from District of Columbia and land in Belgium each week. The most common flight departure day for this route is Thu, with 46% of weekly flights taking off on this day.