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Bruxelles-National

$258+ Cheap flights from Dulles Intl (IAD) to Bruxelles-National (BRU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BRU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Brussels Bruxelles-National are usually found in September or January, booked 74 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap flight deals from Dulles Intl to Bruxelles-National

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Bruxelles-National (BRU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$479
(FlightHub)

One-way from

$258
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$651

Good round-trip deal

$732 or less

Good one-way deal

$558 or less
From Washington, D.C. Dulles Intl to Brussels Bruxelles-National
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One-way flight from Washington, D.C. Dulles Intl to Brussels Bruxelles-National
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Highest demand for flights based on searches. 18% potential increase in price ($190 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Brussels Bruxelles-National.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Brussels Bruxelles-National.
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Find flight deals from Dulles Intl to Bruxelles-National

Cheapest flights from Dulles Intl to Bruxelles-National
Explore the most affordable flight options available from Dulles Intl to Bruxelles-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:30 pmIAD - BRU
1 stop11h 30mTAP AIR PORTUGAL
Mon 11/36:00 amBRU - IAD
1 stop15h 15mTAP AIR PORTUGAL
Deal found 9/8$479
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:30 pmIAD - BRU
1 stop24h 20mTAP AIR PORTUGAL
Sun 11/95:55 pmBRU - IAD
1 stop27h 20mTAP AIR PORTUGAL
Deal found 9/10$480
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:45 pmIAD - BRU
1 stop11h 15mTAP AIR PORTUGAL
Tue 10/2111:50 amBRU - IAD
1 stop33h 30mTAP AIR PORTUGAL
Deal found 9/11$482
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:20 pmIAD - BRU
1 stop30h 40mTAP AIR PORTUGAL
Mon 11/35:55 pmBRU - IAD
1 stop26h 40mTAP AIR PORTUGAL
Deal found 9/11$484
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:09 pmIAD - BRU
2 stops21h 21mScandinavian Airlines
Sat 11/810:20 amBRU - IAD
1 stop14h 30mScandinavian Airlines
Deal found 9/11$486
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:05 pmIAD - BRU
2 stops14h 10mScandinavian Airlines
Wed 4/229:10 pmBRU - IAD
2 stops25h 40mScandinavian Airlines
Deal found 9/9$489
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:05 pmIAD - BRU
1 stop15h 45mScandinavian Airlines
Fri 10/37:00 pmBRU - IAD
2 stops30h 59mScandinavian Airlines
Deal found 9/9$496
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:05 pmIAD - BRU
2 stops14h 15mScandinavian Airlines
Tue 10/287:20 pmBRU - IAD
2 stops27h 55mScandinavian Airlines
Deal found 9/9$499
This Scandinavian Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:05 pmIAD - BRU
1 stop11h 15mScandinavian Airlines
Wed 10/2910:20 amBRU - IAD
1 stop12h 55mScandinavian Airlines
Deal found 9/10$500
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:05 pmIAD - BRU
2 stops30h 10mScandinavian Airlines
Wed 10/2210:55 amBRU - IAD
2 stops15h 04mScandinavian Airlines
Deal found 9/10$503

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Bruxelles-National 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 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

Dulles Intl

Fly to

Bruxelles-National

Route

Depart

Return

Price

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/24

10:05 pm-3:20 pm

1 stop11h 15m

Brussels Bruxelles-National

Wed 4/22

11:20 am-4:50 pm

2 stops35h 30m

$486

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 2/5

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Mon 2/9

8:30 pm-7:12 pm

2 stops28h 42m

$535

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 10/16

10:05 pm-6:20 pm

2 stops14h 15m

Brussels Bruxelles-National

Tue 10/21

6:55 pm-7:59 pm

2 stops31h 04m

$569

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 10/9

10:05 pm-7:50 pm

1 stop15h 45m

Brussels Bruxelles-National

Tue 10/14

8:55 pm-7:18 pm

2 stops28h 23m

$615

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/11

10:05 pm-10:15 am

2 stops30h 10m

Brussels Bruxelles-National

Tue 10/14

8:55 pm-7:18 pm

2 stops28h 23m

$618

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Fri 10/10

10:05 pm-9:40 am

1 stop29h 35m

Brussels Bruxelles-National

Tue 10/28

10:20 am-11:57 am

2 stops30h 37m

$635

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 10/1

12:08 pm-6:30 pm

2 stops24h 22m

Brussels Bruxelles-National

Wed 10/22

10:20 am-7:59 pm

1 stop15h 39m

$653

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 11/9

5:45 pm-7:15 am

Nonstop7h 30m

Brussels Bruxelles-National

Wed 11/19

10:00 am-4:21 pm

1 stop12h 21m

$712

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 1/12

5:45 pm-7:15 am

Nonstop7h 30m

Brussels Bruxelles-National

Tue 1/20

11:55 am-2:35 pm

Nonstop8h 40m

$712

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 1/21

5:45 pm-7:15 am

Nonstop7h 30m

Brussels Bruxelles-National

Thu 1/29

11:55 am-2:35 pm

Nonstop8h 40m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 results
1
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The best insider tips for Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport trip
Airlines
United Airlines

United's Polaris offers lie-flat seats with noise-reducing headphones and large entertainment screens.


Premium Plus seats offer extra legroom and upgraded food and drink on international flights.

Read more about United Airlinesby Harriet Baskas
Brussels Airlines

Brussels Airlines offers lie-flat beds in business class with direct aisle access for most passengers.


Economy class includes a free meal and seatback entertainment on long-haul flights.

Read more about Brussels Airlinesby John Walton
Lufthansa

Lufthansa's Allegris economy offers 31 inches of pitch with adjustable headrests for comfort.


Lufthansa's premium economy features hard-shell seats allowing recline without disturbing others.

Read more about Lufthansaby Blane Bachelor
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
John Walton

John Walton

Expert on Brussels Airlines

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Blane Bachelor

Blane Bachelor

Expert on Lufthansa

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more

Best time to book a flight from Dulles Intl to Bruxelles-National

Have a flexible travel schedule? Discover the best time to fly to Bruxelles-National from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Bruxelles-National. Price data was last updated on August 29, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport (average of $614). Flying from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport in June is currently the most expensive (average of $1,077). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to BRU?

Find hourly flight availability from Dulles Intl to Bruxelles-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.

Reviews of airlines servicing Bruxelles-National

Get insights into the airlines that provide service to Bruxelles-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bruxelles-National. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Scandinavian Airlines, United Airlines, and Brussels Airlines from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,484 reviews

Food

6.7

Boarding

7.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Scandinavian Airlines
7.4
Good
1,484 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Food

6.7

Boarding

7.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
United Airlines
7.4
Good
8,937 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Food

6.7

Boarding

7.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Brussels Airlines
7.3
Good
359 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Food

6.7

Boarding

7.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Aer Lingus
7.2
Good
1,271 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Food

6.7

Boarding

7.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Icelandair
7.0
Good
546 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Food

6.7

Boarding

7.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Bruxelles-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

    Departing from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport will take you 11h 15m. The distance from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport is about 3879 mi.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport round-trip from $408. Other airlines that can offer you cheap pricing are Icelandair, from $452, and TAP AIR PORTUGAL, from $492. Scandinavian Airlines is currently priced 50% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

    Consider Brussels Airlines (53%), United Airlines (53%) or Air Canada (31%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

    While on average a flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport is generally $1,365, our data shows the cheapest flight currently is $483. When looking at the most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), you can expect to pay $391 for that flight.

  • Can I find deals for flights from Dulles Intl to Bruxelles-National that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Bruxelles-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Bruxelles-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Bruxelles-National.

  • Can I find deals for business class flights from Dulles Intl to Bruxelles-National?

    Yes. Cheapflights offers flight deals from Dulles Intl to Bruxelles-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport (average of $614). Flying from Washington, D.C. Dulles Intl Airport to Brussels Bruxelles-National Airport in June is currently the most expensive (average of $1,077). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Brussels Bruxelles-National Airport?

Book flights to Brussels Bruxelles-National Airport if you plan to visit one of these locations
Charleroi
Mons
Mechelen
Zaventem

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Alternative routes for Dulles Intl to Bruxelles-National

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Bruxelles-National flights
Reagan-National to Bruxelles-National flights
Dulles Intl to Charleroi Brussels flights
Baltimore to Charleroi Brussels flights

Top 10 airlines flying from Dulles Intl to Bruxelles-National

Discover the top 10 airlines that operate flights from Dulles Intl to Bruxelles-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$408Average$556FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$452Average$750FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$492Average$953FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$496Average$748FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$551Average$650FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$557Average$771FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$561Average$789FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$601Average$982FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$633Average$1,040FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$686Average$1,089FlexibilityNo cancel feeOn-time76%

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