Question 1

What cabin class options are available on Washington, D.C. to Brussels flights?

Accepted Answer

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

Question 2

How far in advance should I book a flight to Brussels?

Accepted Answer

You are more likely to see cheaper flights to Brussels from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $849 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. for as low as $687 on momondo.

Question 3

What is the cheapest month to fly to Brussels?

Accepted Answer

In general, January is the cheapest month to fly from Washington, D.C. to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $593. If you are unable to visit Brussels during the month of January, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $646.

Question 4

How many flights depart from Washington, D.C. to Brussels on average per day?

Accepted Answer

7 flights are operational daily from Washington, D.C. to Brussels as of July 2025. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

Question 5

What is the cheapest airline that flies from Washington, D.C. to Brussels?

Accepted Answer

PLAY, Icelandair, and TAP AIR PORTUGAL are the most popular carriers operating from Washington, D.C. to Brussels

Question 6

What is the cheapest time of day to depart on your flight to Brussels?

Accepted Answer

According to our data, the cheapest time of day to fly to Brussels is at noon. momondo users have found flights departing from Washington, D.C. to Brussels at noon for as low as $668. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,172.

Question 7

What airlines fly to Brussels?

Accepted Answer

United Airlines, Scandinavian Airlines and Aer Lingus are the top three most popular airlines that fly to Brussels from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 11 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

Question 8

How many flights depart from Washington, D.C. to Brussels on average per week?

Accepted Answer

The number of flights available between Washington, D.C. and Brussels is 52 per week as of July 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

Question 9

How long does it take to fly to Brussels?

Accepted Answer

The flight from Washington, D.C. to Brussels depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Brussels Bruxelles-National Airport (the most popular airport in Brussels), then the flight time is 8h 35m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Brussels Bruxelles-National Airport, then the average flight time is 10h 20m.

Question 10

What is the cheapest day to depart on your flight to Brussels?

Accepted Answer

On average, the least expensive day to fly to Brussels from Washington, D.C. is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,052. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,251.

Question 11

What is the cheapest Washington, D.C. to Brussels flight route?

Accepted Answer

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

Question 12

What is the typical price of a round-trip flight between Washington, D.C. and Brussels?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $650 to $1,202.
The lowest price recently found on this route was $333.

Question 13

When did momondo last update prices for flights from Washington, D.C. to Brussels?

Accepted Answer

Prices for flights from Washington, D.C. to Brussels are refreshed on a daily basis.

Question 14

How many operators does momondo search for flights from Washington, D.C. to Brussels?

Accepted Answer

There are 11 operators available for flights from Washington, D.C. to Brussels as of July 2025.

Question 15

How old do you have to be to fly from Washington, D.C. to Brussels?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Brussels.

Question 16

What documentation or ID do you need to fly to Brussels?

Accepted Answer

The travel and health documents you'll need for your trip to Brussels may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best Price Found	$241
Fastest flight time	7h 30m
Direct flights	Every day
Airports in Brussels	2 airports

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom $360	Free Cancellation	Rating 7.0 102 reviews	Search PLAY flights
Scandinavian Airlines	PriceFrom $406	Free Cancellation	Rating 7.3 1,423 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $449	Free Cancellation	Rating 7.0 515 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $492	Free Cancellation	Rating 7.1 1,918 reviews	Search TAP AIR PORTUGAL flights
KLM	PriceFrom $496	Free Cancellation	Rating 7.8 1,372 reviews	Search KLM flights
British Airways	PriceFrom $516	Free Cancellation	Rating 6.6 7,134 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $552	Free Cancellation	Rating 7.3 3,901 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $564	Free Cancellation	Rating 7.1 1,160 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $621	Free Cancellation	Rating 7.4 8,856 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $633	Free Cancellation	Rating 7.3 350 reviews	Search Brussels Airlines flights

Cheap flights from Washington, D.C. to Brussels from $241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Brussels departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Washington, D.C. to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Brussels?

What is the cheapest month to fly to Brussels?

What is the cheapest day to depart on your flight to Brussels?

What is the cheapest time of day to depart on your flight to Brussels?

What is the cheapest Washington, D.C. to Brussels flight route?

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

How far in advance should I book a flight to Brussels?

What cabin class options are available on Washington, D.C. to Brussels flights?

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

What is the cheapest airline that flies from Washington, D.C. to Brussels?

PLAY, Icelandair, and TAP AIR PORTUGAL are the most popular carriers operating from Washington, D.C. to Brussels

What airlines fly to Brussels?

How many flights depart from Washington, D.C. to Brussels on average per day?

7 flights are operational daily from Washington, D.C. to Brussels as of July 2025. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

How many flights depart from Washington, D.C. to Brussels on average per week?

The number of flights available between Washington, D.C. and Brussels is 52 per week as of July 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How long does it take to fly to Brussels?

Cheap Washington, D.C. to Brussels flight deals and tips

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How far is Washington, D.C. to Brussels by plane?

When did momondo last update prices for flights from Washington, D.C. to Brussels?

How many operators does momondo search for flights from Washington, D.C. to Brussels?

How old do you have to be to fly from Washington, D.C. to Brussels?

What documentation or ID do you need to fly to Brussels?

Best airlines flying from Washington, D.C. to Brussels

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Why use momondo?

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Airports listed have a maximum distance of 27.4 mi from Brussels