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Cheap flights from Washington, D.C. Dulles Intl Airport to Brussels from $264

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. Dulles Intl Airport to Brussels departing on 9/16. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Brussels

Cheap round-trip flights

Scandinavian Airlines Logo
10:05 pm - 6:20 pmIAD-BRU
14h 15m2 stops
Scandinavian Airlines Logo
10:20 am - 7:59 pmBRU-IAD
15h 39m1 stop
$491Scandinavian Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
Scandinavian Airlines Logo
10:05 pm - 9:40 amIAD-BRU
29h 35m1 stop
Scandinavian Airlines Logo
4:00 pm - 7:59 pmBRU-IAD
33h 59m1 stop
$492Scandinavian Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
Scandinavian Airlines Logo
10:05 pm - 6:15 pmIAD-BRU
14h 10m2 stops
Scandinavian Airlines Logo
11:55 am - 7:59 pmBRU-IAD
14h 04m2 stops
$493Scandinavian Airlines
Find Deal
Sun, Sep 14 - Sun, Sep 21
Scandinavian Airlines Logo
10:05 pm - 6:15 pmIAD-BRU
14h 10m2 stops
Scandinavian Airlines Logo
10:55 am - 7:59 pmBRU-IAD
15h 04m2 stops
$494Scandinavian Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Scandinavian Airlines Logo
10:05 pm - 2:15 pmIAD-BRU
10h 10m1 stop
Scandinavian Airlines Logo
10:20 am - 7:59 pmBRU-IAD
15h 39m1 stop
$495Scandinavian Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
Scandinavian Airlines Logo
10:05 pm - 3:20 pmIAD-BRU
11h 15m1 stop
Scandinavian Airlines Logo
7:10 pm - 7:59 pmBRU-IAD
30h 49m1 stop
$496Scandinavian Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Scandinavian Airlines Logo
10:05 pm - 10:15 amIAD-BRU
30h 10m2 stops
Scandinavian Airlines Logo
10:20 am - 7:59 pmBRU-IAD
15h 39m1 stop
$497Scandinavian Airlines
Find Deal
Sat, Sep 20 - Tue, Sep 30
Scandinavian Airlines Logo
10:05 pm - 10:15 amIAD-BRU
30h 10m2 stops
Scandinavian Airlines Logo
6:55 pm - 7:59 pmBRU-IAD
31h 04m2 stops
$498Scandinavian Airlines
Find Deal
Sat, Sep 20 - Tue, Sep 30
Scandinavian Airlines Logo
10:05 pm - 3:20 pmIAD-BRU
11h 15m1 stop
Scandinavian Airlines Logo
10:20 am - 7:59 pmBRU-IAD
15h 39m1 stop
$499Scandinavian Airlines
Find Deal
Tue, Sep 9 - Thu, Sep 18
Scandinavian Airlines Logo
10:05 pm - 3:20 pmIAD-BRU
11h 15m1 stop
Scandinavian Airlines Logo
10:20 am - 7:59 pmBRU-IAD
15h 39m1 stop
$500Scandinavian Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 23

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 2
IAD10:05 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
BRU6:20 pmBrussels Bruxelles-National
Oct 5
BRU10:20 amBrussels Bruxelles-National
15h 39m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
$491
Find similar
Scandinavian Airlines
Oct 3
IAD10:05 pmWashington, D.C. Dulles Intl
29h 35m
1 stop
BRU9:40 amBrussels Bruxelles-National
Oct 6
BRU4:00 pmBrussels Bruxelles-National
33h 59m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
$492
Find similar
Scandinavian Airlines
Sep 14
IAD10:05 pmWashington, D.C. Dulles Intl
14h 10m
2 stops
BRU6:15 pmBrussels Bruxelles-National
Sep 21
BRU11:55 amBrussels Bruxelles-National
14h 04m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
$493
Find similar

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

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flight tickets
Turkish Airlines
Aug 31
IAD1:30 pmWashington, D.C. Dulles Intl
17h 55m
1 stop
BRU1:25 pmBrussels Bruxelles-National
Sep 11
BRU6:50 pmBrussels Bruxelles-National
22h 55m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$604
Find similar
Turkish Airlines
Aug 31
IAD1:30 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
BRU5:50 pmBrussels Bruxelles-National
Sep 7
BRU4:15 pmBrussels Bruxelles-National
25h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$653
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
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

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 10/2

10:05 pm-6:20 pm

2 stops14h 15m

Brussels Bruxelles-National

Sun 10/5

10:20 am-7:59 pm

1 stop15h 39m

$491

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Fri 10/3

10:05 pm-9:40 am

1 stop29h 35m

Brussels Bruxelles-National

Mon 10/6

4:00 pm-7:59 pm

1 stop33h 59m

$492

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 9/14

10:05 pm-6:15 pm

2 stops14h 10m

Brussels Bruxelles-National

Sun 9/21

11:55 am-7:59 pm

2 stops14h 04m

$493

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 9/25

10:05 pm-6:15 pm

2 stops14h 10m

Brussels Bruxelles-National

Mon 9/29

10:55 am-7:59 pm

2 stops15h 04m

$494

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 9/6

10:05 pm-2:15 pm

1 stop10h 10m

Brussels Bruxelles-National

Sat 9/13

10:20 am-7:59 pm

1 stop15h 39m

$495

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 9/15

10:05 pm-3:20 pm

1 stop11h 15m

Brussels Bruxelles-National

Mon 9/22

7:10 pm-7:59 pm

1 stop30h 49m

$496

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 9/20

10:05 pm-10:15 am

2 stops30h 10m

Brussels Bruxelles-National

Tue 9/30

10:20 am-7:59 pm

1 stop15h 39m

$497

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 9/20

10:05 pm-10:15 am

2 stops30h 10m

Brussels Bruxelles-National

Tue 9/30

6:55 pm-7:59 pm

2 stops31h 04m

$498

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/9

10:05 pm-3:20 pm

1 stop11h 15m

Brussels Bruxelles-National

Thu 9/18

10:20 am-7:59 pm

1 stop15h 39m

$499

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/3

10:05 pm-3:20 pm

1 stop11h 15m

Brussels Bruxelles-National

Tue 9/23

10:20 am-7:59 pm

1 stop15h 39m

$500

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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. Dulles Intl Airport and Brussels Bruxelles-National Airport?

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 September. Flight prices, which tend to average around $654, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport during August instead. Flights to Brussels Bruxelles-National Airport in August, while not as cheap as those in September, still average around $681.

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 $1,052. When flying out on a Monday, 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 $1,248.

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

Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is at noon. Flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport during this time can be as low as $668. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,162 on average. Flights to Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 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 $831 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 $659 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Brussels Bruxelles-National 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 19% 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 August 2025, prices for Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flights are approximately 15% cheaper 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

$650

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 $650. 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 $688.
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

  • 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 10h 10m, 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?

  • 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?

  • What is the most popular airline 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
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $405Free CancellationRating
7.4
1,471 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $452Free CancellationRating
7.0
529 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $492Free CancellationRating
7.1
1,959 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom $496Free CancellationRating
7.8
1,388 reviews
Search KLM flights
Turkish AirlinesPriceFrom $552Free CancellationRating
7.3
3,950 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $557Free CancellationRating
6.7
7,291 reviews
Search British Airways flights
Aer LingusPriceFrom $559Free CancellationRating
7.1
1,228 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $597Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.3
350 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $786Free CancellationRating
6.8
7,344 reviews
Search Lufthansa flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

    Across 12 United Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport this week, the average price was $1,017, with the best United Airlines deals starting from $597 round-trip. 8,930 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

    $633 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 $1,025, however, with flight time and availability significantly affecting the price. Brussels Airlines (7.3/10 from 350 user reviews) flies into Brussels Bruxelles-National Airport from Washington, D.C. Dulles Intl Airport 12 times in an average week so prices can vary.

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Leuven
Charleroi
Hasselt
Spa
Namur
Aalst
Zaventem
Mons
Dinant
Genk
Waterloo
Mechelen
Francorchamps
Knokke-Heist
Tournai
Durbuy
Oostkamp

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.

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