Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Brussels Bruxelles-National Airport?

Dublin (DUB) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

Flights via Lisbon (LIS) offer the lowest average round-trip price of $467.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Brussels Bruxelles-National?

Icelandair is the most popular carrier operating from Washington, D.C. Dulles Intl to Brussels Bruxelles-National

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 25m.

What airlines fly to Brussels Bruxelles-National Airport?

United Airlines, Scandinavian Airlines and Aer Lingus are the top three most popular airlines that fly to Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Brussels Bruxelles-National Airport. Keep in mind that there are 8 different airlines that fly to Brussels Bruxelles-National Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 25m.

What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

The necessary travel and health documents for your Brussels Bruxelles-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$248 Cheap Flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport in 2026/27

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport on average per day?

7 flights are operational daily from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport as of September 2026. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 pm - 9:40 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

31h 10m1 stop Kastrup Copenhagen

10:20 am - 5:15 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

12h 55m1 stop Kastrup Copenhagen

$672Scandinavian Airlines

Mon, Oct 26 - Mon, Nov 9

9:55 am - 4:45 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

24h 50m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Barcelona-El Prat

7:20 pm - 8:23 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

31h 03m3 stops Bucharest Otopeni Intl Madrid Barajas Montreal Pierre Elliott Trudeau Intl

$672Multiple Airlines

Wed, Dec 2 - Tue, Dec 8

8:30 pm - 9:40 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

31h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

3:15 pm - 7:20 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

34h 05m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$673Multiple Airlines

Tue, Oct 13 - Wed, Oct 21

5:15 pm - 9:40 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

10h 25m1 stop Dublin

10:20 am - 3:45 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

11h 25m1 stop Dublin

$675Aer Lingus

Mon, Nov 2 - Fri, Nov 27

8:30 pm - 7:50 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

17h 20m1 stop Kastrup Copenhagen

5:45 am - 4:50 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

17h 05m1 stop Kastrup Copenhagen

$675Scandinavian Airlines

Thu, Jan 21 - Fri, Apr 23

5:25 pm - 5:05 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

17h 40m1 stop Lisbon Humberto Delgado

11:50 am - 8:35 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

14h 45m1 stop Lisbon Humberto Delgado

$681TAP AIR PORTUGAL

Tue, Dec 1 - Sun, Dec 6

5:25 pm - 11:00 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

11h 35m1 stop Lisbon Humberto Delgado

6:00 am - 2:40 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

14h 40m1 stop Lisbon Humberto Delgado

$681TAP AIR PORTUGAL

Tue, Dec 1 - Tue, Dec 8

5:15 pm - 9:40 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

10h 25m1 stop Dublin

10:20 am - 7:25 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

15h 05m1 stop Dublin

$684Aer Lingus

Mon, Oct 5 - Wed, Oct 21

1:30 pm - 10:35 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

15h 05m1 stop Istanbul

6:35 am - 7:25 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

18h 50m1 stop Istanbul

$719Turkish Airlines

Tue, Dec 1 - Tue, Dec 8

2:30 pm - 10:20 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

26h 50m1 stop Istanbul

6:35 am - 8:25 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

19h 50m1 stop Istanbul

$719Turkish Airlines

Wed, Oct 28 - Thu, Nov 5

Cheap last minute flights

Enter your travel dates to find the best prices.

8:20 pm - 2:35 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

12h 15m1 stop Kastrup Copenhagen

10:20 am - 5:00 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

12h 40m1 stop Kastrup Copenhagen

$748Scandinavian Airlines

Mon, Sep 28 - Sat, Oct 3

5:15 pm - 9:40 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

10h 25m1 stop Dublin

10:20 am - 7:10 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

14h 50m1 stop Dublin

$798Aer Lingus

Sat, Sep 26 - Sat, Oct 3

5:15 pm - 9:40 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

10h 25m1 stop Dublin

10:20 am - 7:10 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

14h 50m1 stop Dublin

$822Aer Lingus

Fri, Sep 25 - Sat, Oct 3

4:00 pm - 6:15 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

20h 15m3 stops Toronto Pearson Intl Dublin Stockholm Arlanda

9:25 pm - 3:00 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

23h 35m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

$859Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

8:20 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

40h 00m2 stops Kastrup Copenhagen Oslo Gardermoen

10:20 am - 5:00 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

12h 40m1 stop Kastrup Copenhagen

$883Scandinavian Airlines

Fri, Sep 25 - Sat, Oct 3

10:35 pm - 11:00 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

30h 25m1 stop Lisbon Humberto Delgado

3:55 pm - 3:10 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

29h 15m1 stop Lisbon Humberto Delgado

$892TAP AIR PORTUGAL

Sun, Sep 27 - Sun, Oct 4

8:20 pm - 8:25 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

30h 05m1 stop Kastrup Copenhagen

10:20 am - 5:00 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

12h 40m1 stop Kastrup Copenhagen

$893Multiple Airlines

Fri, Sep 25 - Sat, Oct 3

5:40 pm - 3:05 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

15h 25m1 stop Lisbon Humberto Delgado

5:55 am - 3:10 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

15h 15m1 stop Lisbon Humberto Delgado

$1,000TAP AIR PORTUGAL

Mon, Sep 28 - Tue, Oct 6

8:30 pm - 12:55 pmIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

10h 25m1 stop Reykjavik Keflavik Intl

1:50 pm - 10:15 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

14h 25m1 stop Reykjavik Keflavik Intl

$1,080Icelandair

Fri, Sep 25 - Wed, Oct 7

10:05 pm - 8:55 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

28h 50m1 stop London Heathrow

8:30 am - 3:10 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

12h 40m1 stop Frankfurt am Main

$1,270United Airlines

Thu, Sep 24 - Sun, Sep 27

Cheap direct flights

Enter your travel dates to find the best prices.

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$762United Airlines

Tue, Dec 1 - Thu, Dec 10

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$762United Airlines

Wed, Dec 2 - Wed, Dec 9

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$762United Airlines

Tue, Dec 1 - Fri, Dec 11

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$772Brussels Airlines

Wed, Dec 9 - Thu, Dec 24

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$772Lufthansa

Wed, Dec 9 - Thu, Dec 24

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$782Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$782Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$823Brussels Airlines

Wed, Feb 3 - Tue, Feb 9

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$838Brussels Airlines

Wed, Dec 9 - Mon, Jan 11

5:45 pm - 7:15 amIAD Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National

7h 30mnonstop

11:55 am - 2:30 pmBRU Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

$862Lufthansa

Mon, Nov 23 - Wed, Dec 2

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

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flight tickets

Aer Lingus

Oct 5

IAD5:15 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

BRU9:40 amBrussels Bruxelles-National

Oct 21

BRU10:20 amBrussels Bruxelles-National

15h 05m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

$684

Aer Lingus

Nov 5

IAD5:15 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

BRU9:40 amBrussels Bruxelles-National

Nov 12

BRU10:20 amBrussels Bruxelles-National

15h 00m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$694

Aer Lingus

Sep 30

IAD5:15 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

BRU9:40 amBrussels Bruxelles-National

Oct 8

BRU10:20 amBrussels Bruxelles-National

14h 50m

1 stop

IAD7:10 pmWashington, D.C. Dulles Intl

$754

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flight tickets

Scandinavian Airlines

Oct 26

IAD9:30 pmWashington, D.C. Dulles Intl

31h 10m

1 stop

BRU9:40 amBrussels Bruxelles-National

Nov 9

BRU10:20 amBrussels Bruxelles-National

12h 55m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

$672

Scandinavian Airlines

Dec 5

IAD8:30 pmWashington, D.C. Dulles Intl

11h 00m

1 stop

BRU1:30 pmBrussels Bruxelles-National

Dec 8

BRU7:20 pmBrussels Bruxelles-National

27h 55m

2 stops

IAD5:15 pmWashington, D.C. Dulles Intl

$676

Scandinavian Airlines

Feb 3

IAD8:30 pmWashington, D.C. Dulles Intl

16h 05m

1 stop

BRU6:35 pmBrussels Bruxelles-National

Feb 9

BRU3:10 pmBrussels Bruxelles-National

32h 05m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

$678

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Mon 10/26

9:30 pm-9:40 am

1 stop31h 10m

Brussels Bruxelles-National

Mon 11/9

10:20 am-5:15 pm

1 stop12h 55m

$672

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Wed 12/2

9:55 am-4:45 pm

3 stops24h 50m

Brussels Bruxelles-National

Tue 12/8

7:20 pm-8:23 pm

3 stops31h 03m

$672

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Tue 10/13

8:30 pm-9:40 am

2 stops31h 10m

Brussels Bruxelles-National

Wed 10/21

3:15 pm-7:20 pm

2 stops34h 05m

$673

Quickest round-trip

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Mon 11/2

5:15 pm-9:40 am

1 stop10h 25m

Brussels Bruxelles-National

Fri 11/27

10:20 am-3:45 pm

1 stop11h 25m

$675

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Thu 1/21

8:30 pm-7:50 pm

1 stop17h 20m

Brussels Bruxelles-National

Fri 4/23

5:45 am-4:50 pm

1 stop17h 05m

$675

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Tue 12/1

5:25 pm-5:05 pm

1 stop17h 40m

Brussels Bruxelles-National

Sun 12/6

11:50 am-8:35 pm

1 stop14h 45m

$681

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Tue 12/1

5:25 pm-11:00 am

1 stop11h 35m

Brussels Bruxelles-National

Tue 12/8

6:00 am-2:40 pm

1 stop14h 40m

$681

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Mon 10/5

5:15 pm-9:40 am

1 stop10h 25m

Brussels Bruxelles-National

Wed 10/21

10:20 am-7:25 pm

1 stop15h 05m

$684

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Tue 12/1

1:30 pm-10:35 am

1 stop15h 05m

Brussels Bruxelles-National

Tue 12/8

6:35 am-7:25 pm

1 stop18h 50m

$719

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Wed 10/28

2:30 pm-10:20 pm

1 stop26h 50m

Brussels Bruxelles-National

Thu 11/5

6:35 am-8:25 pm

1 stop19h 50m

$719

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. Dulles Intl Airport to Brussels Bruxelles-National Airport

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

Layovers

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $818 to $1,590.
The lowest price recently found on this route was $672.

What is the cheapest month to fly to Brussels Bruxelles-National Airport?

The cheapest month to fly to Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport is in January. Flight prices, which tend to average around $600, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport during November instead. Flights to Brussels Bruxelles-National Airport in November, while not as cheap as those in January, still average around $654.

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport is on a Wednesday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Wednesday will often find tickets for as low as $1,236. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport for around $1,399.

What is the cheapest Washington, D.C. Dulles Intl to Brussels Bruxelles-National flight route?

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

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $927 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport for as low as $734 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flights?

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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flights?

You could potentially save up to 45% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flight.

How have Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flight prices changed over time?

As of September 2026, prices for Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flights are approximately 26% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport (IAD to BRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Best Price Found	$248
Fastest flight time	7h 30m
Direct flights	Every day

The best one-way flight to Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $248. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $672.

The fastest flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport takes 7h 30m

Direct flights go from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport every day.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

How far is Washington, D.C. Dulles Intl to Brussels Bruxelles-National by plane?
The straight-line distance from Washington, D.C. Dulles Intl to Brussels Bruxelles-National is 3878.5 mi. Flights usually cover this in 7h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport is 8 as of September 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport.
What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?
The necessary travel and health documents for your Brussels Bruxelles-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport is Boeing 777-300ER (61.79% of total bookings). The next most popular plane models are Airbus A330-300 (15.04%), Boeing 787-8 Dreamliner (4.12%), and Boeing 777 (2.37%).
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport is United Airlines (29% of total bookings). The next most popular airlines are Scandinavian Airlines (22%), Aer Lingus (21%), and Icelandair (11%).

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $385	Free Cancellation	Rating 6.9 747 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $440	Free Cancellation	Rating 7.2 2,377 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $463	Free Cancellation	Rating 7.4 1,989 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 4,463 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $539	Free Cancellation	Rating 7.3 1,783 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $762	Free Cancellation	Rating 7.4 10,229 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $768	Free Cancellation	Rating 7.2 431 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $775	Free Cancellation	Rating 6.8 8,236 reviews	Search Lufthansa flights

United Airlines Flights From Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport
Across 11 United Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport this week, the average price was $1,214, with the best United Airlines deals starting from $762 round-trip. 10,229 users have rated United Airlines on momondo, with an average score of 7.4/10.
Brussels Airlines Flights From Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport
$768 is the best Brussels Airlines flight deal from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport found on momondo over the last 72 hours. The average Brussels Airlines ticket price found was closer to $1,535, however, with flight time and availability significantly affecting the price. Brussels Airlines (7.2/10 from 431 user reviews) flies into Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport 11 times in an average week so prices can vary.

Bruges

Ghent

Leuven

Durbuy

Zaventem

Dinant

Mons

Charleroi

Genk

Namur

Aalst

Mechelen

Waterloo

Hasselt

Francorchamps

Knokke-Heist

Spa

Halle

Why use momondo?

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

Finding the right flight to Brussels from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Brussels quick and easy, saving you time and money.

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?

Once you have performed a search for Washington, D.C. to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 Bruxelles-National Airport 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

Thu 10/22

Thu 10/29

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 Brussels

Popular cities

Other flights from Washington, D.C. Dulles Intl Airport

Other flights to Brussels

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Belgium

Flights to Charleroi Brussels Airportfrom $489

Cheap flights from Washington, D.C. Dulles Intl Airport to Brussels from $248

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flight tickets

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport that are best for you.

See travel insights to Brussels from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

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

What is the cheapest month to fly to Brussels Bruxelles-National Airport?

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

What is the cheapest Washington, D.C. Dulles Intl to Brussels Bruxelles-National flight route?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flights?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flights?

How have Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flight prices changed over time?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Brussels Bruxelles-National?

What airlines fly to Brussels Bruxelles-National Airport?

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Brussels Bruxelles-National Airport?

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport on average per week?

When to book flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Cheap Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport (IAD to BRU) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport with momondo

Traveling to a place near Brussels?

Why use momondo?

An easier way to manage your Brussels Bruxelles-National Airport 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 Brussels

Popular cities in Belgium

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

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Brussels Bruxelles-National Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Brussels

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

Cabin classes currently available on flights to Brussels

List of cabin classes available on flights landing in Brussels. Availability may vary depending on flight origin and airline.

Complete your trip to Brussels

Explore popular destinations other users love

According to popular flight searches on momondo this year