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

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

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 March 2026. 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?

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 Baltimore (a popular airport in Washington, D.C.) to Brussels Bruxelles-National Airport (the most popular airport in Brussels), then the flight time is 10h 25m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Brussels Bruxelles-National Airport, then the average flight time is 10h 30m.

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 March 2026. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.

What airlines fly to Brussels?

United Airlines, Aer Lingus and Icelandair 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 36% 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.

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

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

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

There are 11 operators available for flights from Washington, D.C. to Brussels as of March 2026.

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

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.

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

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.

$259 Cheap Flights from Washington, D.C. to Brussels in 2026

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 $648 to $878. The lowest price recently found on this route was $514.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington, D.C. to Brussels

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 pm - 11:00 pm

IAD

BRU

20h 40m

1 stop

8:30 pm - 5:00 pm

BRU

IAD

26h 30m

1 stop

$514Scandinavian Airlines

Sat, Apr 18 - Sat, May 2

8:20 pm - 8:30 pm

IAD

BRU

18h 10m

2 stops

9:10 pm - 5:00 pm

BRU

IAD

49h 50m

2 stops

$517Scandinavian Airlines

Mon, Apr 27 - Mon, May 4

8:20 pm - 8:30 pm

IAD

BRU

18h 10m

2 stops

9:10 pm - 5:00 pm

BRU

IAD

49h 50m

2 stops

$520Scandinavian Airlines

Mon, Apr 27 - Mon, May 4

8:20 pm - 6:15 pm

IAD

BRU

15h 55m

2 stops

10:20 am - 5:00 pm

BRU

IAD

12h 40m

1 stop

$521Scandinavian Airlines

Wed, Apr 29 - Sat, May 2

8:20 pm - 8:30 pm

IAD

BRU

18h 10m

2 stops

6:55 pm - 5:00 pm

BRU

IAD

28h 05m

2 stops

$522Scandinavian Airlines

Sun, Apr 19 - Wed, Apr 22

8:20 pm - 2:35 pm

IAD

BRU

12h 15m

1 stop

9:10 pm - 5:00 pm

BRU

IAD

49h 50m

2 stops

$523Scandinavian Airlines

Sat, Apr 25 - Mon, Apr 27

1:20 pm - 1:20 pm

IAD

CRL

18h 00m

2 stops

9:40 am - 11:35 am

CRL

IAD

31h 55m

2 stops

$658Multiple Airlines

Sun, May 3 - Tue, May 12

8:30 pm - 12:55 pm

BWI

BRU

10h 25m

1 stop

1:50 pm - 7:25 pm

BRU

BWI

11h 35m

1 stop

$678Icelandair

Wed, Apr 8 - Fri, Apr 17

8:30 pm - 12:55 pm

BWI

BRU

10h 25m

1 stop

1:50 pm - 7:25 pm

BRU

BWI

11h 35m

1 stop

$696Icelandair

Sun, Apr 19 - Thu, Apr 30

8:30 pm - 12:55 pm

BWI

BRU

10h 25m

1 stop

1:50 pm - 7:25 pm

BRU

BWI

11h 35m

1 stop

$700Icelandair

Sun, May 3 - Thu, May 7

Icelandair flights from Washington, D.C. to Brussels

Our best Icelandair deals on Washington, D.C. to Brussels flight tickets

Icelandair

Apr 8

BWI8:30 pmBaltimore/Washington

10h 25m

1 stop

BRU12:55 pmBrussels Bruxelles-National

Apr 17

BRU1:50 pmBrussels Bruxelles-National

11h 35m

1 stop

BWI7:25 pmBaltimore/Washington

$678

Icelandair

Apr 12

BWI8:30 pmBaltimore/Washington

10h 25m

1 stop

BRU12:55 pmBrussels Bruxelles-National

May 8

BRU1:50 pmBrussels Bruxelles-National

11h 35m

1 stop

BWI7:25 pmBaltimore/Washington

$682

Icelandair

Apr 19

BWI8:30 pmBaltimore/Washington

10h 25m

1 stop

BRU12:55 pmBrussels Bruxelles-National

Apr 30

BRU1:50 pmBrussels Bruxelles-National

11h 35m

1 stop

BWI7:25 pmBaltimore/Washington

$696

Scandinavian Airlines flights from Washington, D.C. to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. to Brussels flight tickets

Scandinavian Airlines

Apr 18

IAD8:20 pmWashington, D.C. Dulles Intl

20h 40m

1 stop

BRU11:00 pmBrussels Bruxelles-National

May 2

BRU8:30 pmBrussels Bruxelles-National

26h 30m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$514

Scandinavian Airlines

Apr 27

IAD8:20 pmWashington, D.C. Dulles Intl

18h 10m

2 stops

BRU8:30 pmBrussels Bruxelles-National

May 4

BRU9:10 pmBrussels Bruxelles-National

49h 50m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$517

Scandinavian Airlines

Apr 27

IAD8:20 pmWashington, D.C. Dulles Intl

18h 10m

2 stops

BRU8:30 pmBrussels Bruxelles-National

May 4

BRU9:10 pmBrussels Bruxelles-National

49h 50m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$520

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 4/18

8:20 pm-11:00 pm

1 stop20h 40m

Brussels Bruxelles-National

Sat 5/2

8:30 pm-5:00 pm

1 stop26h 30m

$514

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 4/27

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Mon 5/4

9:10 pm-5:00 pm

2 stops49h 50m

$517

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 4/27

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Mon 5/4

9:10 pm-5:00 pm

2 stops49h 50m

$520

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/29

8:20 pm-6:15 pm

2 stops15h 55m

Brussels Bruxelles-National

Sat 5/2

10:20 am-5:00 pm

1 stop12h 40m

$521

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Wed 4/22

6:55 pm-5:00 pm

2 stops28h 05m

$522

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 4/25

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Mon 4/27

9:10 pm-5:00 pm

2 stops49h 50m

$523

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 5/3

1:20 pm-1:20 pm

2 stops18h 00m

Charleroi Brussels

Tue 5/12

9:40 am-11:35 am

2 stops31h 55m

$658

Quickest round-trip

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 4/8

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Fri 4/17

1:50 pm-7:25 pm

1 stop11h 35m

$678

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sun 4/19

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Thu 4/30

1:50 pm-7:25 pm

1 stop11h 35m

$696

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sun 5/3

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Thu 5/7

1:50 pm-7:25 pm

1 stop11h 35m

$700

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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?

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 $585. 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 $612.

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

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 $1,033. 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 $1,257.

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?

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 $800 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 $601 on momondo.

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.

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

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Brussels

Fastest flight time	7h 30m
Direct flights	Every day
Airports in Brussels	2 airports

The fastest flight from Washington, D.C. to Brussels takes 7h 30m

Direct flights go from Washington, D.C. to Brussels every day.

There are 2 airports in Brussels. From Washington, D.C. there are direct flights to Brussels Bruxelles-National (BRU).

Search flight deals

How far is Washington, D.C. to Brussels by plane?
The distance between Washington, D.C. and Brussels is about 3859.6 mi. In terms of flight time, this usually takes a little over 7h 30m.
When did momondo last update prices for flights from Washington, D.C. to Brussels?
Prices for flights from Washington, D.C. to Brussels are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Brussels?
There are 11 operators available for flights from Washington, D.C. to Brussels as of March 2026.
How old do you have to be to fly from Washington, D.C. to Brussels?
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.
What documentation or ID do you need to fly to Brussels?
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 airlines flying from Washington, D.C. to Brussels

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $345	Free Cancellation	Rating 6.7 7,794 reviews	Search British Airways flights
Icelandair	PriceFrom $393	Free Cancellation	Rating 7.1 622 reviews	Search Icelandair flights
PLAY	PriceFrom $432	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
TAP AIR PORTUGAL	PriceFrom $440	Free Cancellation	Rating 7.1 2,166 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $446	Free Cancellation	Rating 7.3 1,715 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $511	Free Cancellation	Rating 7.9 8,296 reviews	Search Delta flights
Turkish Airlines	PriceFrom $540	Free Cancellation	Rating 7.3 4,256 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $552	Free Cancellation	Rating 7.2 1,477 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 9,428 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $633	Free Cancellation	Rating 7.2 391 reviews	Search Brussels Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Brussels. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Brussels from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Price alerts on flights to Brussels from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 4/15

Wed 4/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belgium

Nearby airports

Airlines

Other Belgium destinations

Other flights from Washington, D.C.

Complete your trip

Feeling lucky

Fly into one of these airports located in Brussels

Brussels Bruxelles-National Airport

Charleroi Brussels Airport

Cheap flights from Washington, D.C. to Brussels from $259

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 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington, D.C. to Brussels

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Icelandair flights from Washington, D.C. to Brussels

Our best Icelandair deals on Washington, D.C. to Brussels flight tickets

Scandinavian Airlines flights from Washington, D.C. to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. to Brussels flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Brussels that are best for you.

See travel insights to Brussels from

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

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 Washington, D.C. to Brussels flight route?

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

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

What is the cheapest airline that flies 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?

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

How long does it take to fly to Brussels?

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

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Brussels

Fastest flight time

Direct flights

Airports in 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?

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels

Fly your favorite airline to Brussels

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in Belgium

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C.

According to popular flight searches on momondo this year

Complete your trip to Brussels

Explore popular destinations other users love

According to popular flight searches on momondo this year