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

Prices are currently low for flights on this route. Typical prices usually range from $1,010 to $1,854. The lowest price recently found on this route was $479.

Question 1

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 2

What airlines fly to Brussels?

Accepted Answer

United Airlines, Icelandair 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 38% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 12 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

Question 3

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 $1,010 to $1,854.
The lowest price recently found on this route was $479.

Question 4

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 $1,143.

Question 5

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 $809 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 $671 on momondo.

Question 6

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 7

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 9h 02m 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 15m.

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

What is the cheapest month to fly to Brussels?

Accepted Answer

In general, October 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 $602. If you are unable to visit Brussels during the month of October, then departing from Washington, D.C. during the month September is also very affordable. Most momondo users find prices during this month for around $621.

Question 11

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 $1,046. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday 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 $1,255.

Question 12

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 42 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 12 operators available for flights from Washington, D.C. to Brussels as of December 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.

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $408	Free Cancellation	Rating 7.0 588 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $419	Free Cancellation	Rating 7.4 1,602 reviews	Search Scandinavian Airlines flights
PLAY	PriceFrom $432	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
KLM	PriceFrom $480	Free Cancellation	Rating 7.7 1,431 reviews	Search KLM flights
TAP AIR PORTUGAL	PriceFrom $480	Free Cancellation	Rating 7.1 2,085 reviews	Search TAP AIR PORTUGAL flights
Delta	PriceFrom $511	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Aer Lingus	PriceFrom $539	Free Cancellation	Rating 7.2 1,389 reviews	Search Aer Lingus flights
Turkish Airlines	PriceFrom $540	Free Cancellation	Rating 7.3 4,084 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $555	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 9,089 reviews	Search United Airlines flights

Cheap flights from Washington, D.C. to Brussels from $256

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 2/3. 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?

Scandinavian Airlines 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?

6 flights are operational daily from Washington, D.C. to Brussels as of December 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 42 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How long does it take to fly to Brussels?

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

Compare and see reviews for airlines that fly from Washington, D.C. to Brussels with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Brussels?

Can I find flights from Washington, D.C. to Brussels with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Brussels?

I’m not ready to book a flight from Washington, D.C. to Brussels right now. Can momondo alert me if prices change?

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