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

Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Brussels is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $521 on this airline. Additional options worth looking into are Turkish Airlines and TAP AIR PORTUGAL, starting at $672 and $693 round-trip. These flights start at 40% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Brussels one-way?

One-way options have recently been found by users for as low as $369 on Scandinavian Airlines. Other airlines that offer cheap prices include Icelandair from $380 and TAP AIR PORTUGAL from $405 one-way.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Brussels?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Brussels flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

The cheapest flight price from Washington, D.C. Dulles Intl Airport to Brussels is $538. On average you can expect to pay $2,503. The most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), can usually be booked for $379.

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

The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Brussels are Air Canada (65%), Austrian Airlines (65%) and Brussels Airlines (65%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels?

Before booking your flight from Washington, D.C. Dulles Intl Airport to Brussels check out the most popular airlines for this route: Aer Lingus, Icelandair or Lufthansa.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Brussels?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 22% on the overall cost on flights from Washington, D.C. Dulles Intl Airport to Brussels.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Brussels?

Flights from Washington, D.C. Dulles Intl Airport to Brussels lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Brussels in January, with the cheapest ticket starting at $397.

Can I find deals for flights from Dulles Intl to Brussels that include hotel bookings?

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

How can I find direct flights from Dulles Intl to Brussels?

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

Can I find deals for business class flights from Dulles Intl to Brussels?

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

$282+ Flights from Washington, D.C. Dulles Intl Airport to Brussels

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Brussels are usually found in January or April, booked 74 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap flight deals from Dulles Intl to Brussels

Round-trip from	$521
One-way from	$282 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$721

From Washington, D.C. Dulles Intl to Brussels

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One-way flight from Washington, D.C. Dulles Intl to Brussels

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Highest demand for flights based on searches. 17% potential increase in price ($183 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Find flight deals from Dulles Intl to Brussels

Cheapest flights from Dulles Intl to Brussels
Explore the most affordable flight options available from Dulles Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Wed 8/2710:05 pmIAD - BRU

1 stop14h 25mScandinavian Airlines

Mon 9/110:20 amBRU - IAD

1 stop15h 39mScandinavian Airlines

Deal found 3/27

$521

Sun 5/1810:05 pmIAD - BRU

3 stops31h 55mMultiple Airlines

Tue 5/279:50 amBRU - IAD

2 stops16h 09mMultiple Airlines

Deal found 3/26

$628

Wed 4/301:30 pmIAD - BRU

1 stop25h 50mTurkish Airlines

Thu 5/2211:10 amBRU - IAD

1 stop38h 35mTurkish Airlines

Deal found 3/25

$633

Tue 10/286:30 pmIAD - BRU

1 stop11h 30mTAP AIR PORTUGAL

Wed 11/56:00 amBRU - IAD

1 stop21h 00mTAP AIR PORTUGAL

Deal found 3/26

$643

Mon 4/288:30 pmIAD - CRL

2 stops20h 25mMultiple Airlines

Thu 5/89:05 pmCRL - IAD

2 stops25h 15mMultiple Airlines

Deal found 3/25

$666

Tue 11/254:45 pmIAD - BRU

1 stop13h 50mITA Airways

Tue 12/28:35 pmBRU - IAD

2 stops48h 05mITA Airways

Deal found 3/27

$698

Tue 12/25:50 pmIAD - BRU

Nonstop7h 25mUnited Airlines

Tue 12/910:00 amBRU - IAD

1 stop11h 13mUnited Airlines

Deal found 3/25

$747

Best flights from Dulles Intl to Brussels
Discover carefully curated flight deals from Dulles Intl to Brussels that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Wed 8/2710:05 pmIAD - BRU

1 stop14h 25mScandinavian Airlines

Mon 9/110:20 amBRU - IAD

1 stop15h 39mScandinavian Airlines

Deal found 3/27

$521

Sun 4/278:30 pmIAD - BRU

3 stops18h 05mMultiple Airlines

Fri 5/26:55 pmBRU - IAD

2 stops30h 25mMultiple Airlines

Deal found 3/27

$645

Sat 4/261:30 pmIAD - BRU

1 stop14h 40mTurkish Airlines

Fri 5/27:15 amBRU - IAD

1 stop18h 30mTurkish Airlines

Deal found 3/27

$672

Mon 8/410:20 pmIAD - BRU

1 stop15h 45mTAP AIR PORTUGAL

Thu 8/2111:50 amBRU - IAD

1 stop15h 00mTAP AIR PORTUGAL

Deal found 3/27

$693

Sun 4/208:30 pmIAD - BRU

1 stop10h 20mIcelandair

Fri 4/251:50 pmBRU - IAD

1 stop11h 30mIcelandair

Deal found 3/27

$746

Mon 4/288:30 pmIAD - CRL

2 stops20h 25mMultiple Airlines

Thu 5/89:05 pmCRL - IAD

2 stops25h 15mMultiple Airlines

Deal found 3/25

$666

Last-minute flights from Dulles Intl to Brussels
Discover last-minute flight deals from Dulles Intl to Brussels. Data last updated March 28, 2025 and is based on user searches.

Mon 3/3110:20 pmIAD - BRU

1 stop19h 35mTAP AIR PORTUGAL

Fri 4/45:55 amBRU - IAD

1 stop15h 25mTAP AIR PORTUGAL

Deal found 3/27

$707

Wed 4/21:30 pmIAD - BRU

1 stop25h 50mTurkish Airlines

Mon 4/74:15 pmBRU - IAD

1 stop25h 30mTurkish Airlines

Deal found 3/26

$672

Wed 4/211:05 pmIAD - BRU

2 stops17h 10mMultiple Airlines

Sun 4/69:25 amBRU - IAD

2 stops16h 00mMultiple Airlines

Deal found 3/25

$871

Wed 4/25:35 pmIAD - BRU

Nonstop7h 40mSWISS

Mon 4/78:05 pmBRU - IAD

1 stop26h 10mSWISS

Deal found 3/26

$1,664

Wed 4/25:35 pmIAD - BRU

Nonstop7h 40mUnited Airlines

Sun 4/610:00 amBRU - IAD

1 stop11h 13mUnited Airlines

Deal found 3/25

$1,697

Thu 4/38:45 pmIAD - CRL

2 stops16h 25mMultiple Airlines

Mon 4/712:25 pmCRL - IAD

2 stops33h 50mMultiple Airlines

Deal found 3/27

$714

Thu 4/35:35 pmIAD - BRU

Nonstop7h 50mBrussels Airlines

Mon 4/712:00 pmBRU - IAD

Nonstop8h 15mBrussels Airlines

Deal found 3/27

$1,899

Sun 4/610:05 pmIAD - BRU

1 stop14h 25mScandinavian Airlines

Sun 4/138:30 pmBRU - IAD

1 stop29h 29mScandinavian Airlines

Deal found 3/27

$561

Sun 4/65:35 pmIAD - BRU

Nonstop7h 40mLufthansa

Sun 4/139:30 amBRU - IAD

1 stop12h 20mLufthansa

Deal found 3/27

$2,006

Sun 4/208:30 pmIAD - BRU

1 stop10h 20mIcelandair

Fri 4/251:50 pmBRU - IAD

1 stop11h 30mIcelandair

Deal found 3/27

$746

Fri 4/259:05 pmIAD - BRU

1 stop14h 30mRoyal Air Maroc

Sun 5/47:10 amBRU - IAD

1 stop17h 55mRoyal Air Maroc

Deal found 3/26

$886

Sun 4/278:30 pmIAD - BRU

3 stops18h 05mMultiple Airlines

Fri 5/26:55 pmBRU - IAD

2 stops30h 25mMultiple Airlines

Deal found 3/27

$645

One-way flights from Dulles Intl to Brussels
Search for one-way flight options from Dulles Intl to Brussels. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Tue 4/18:30 amIAD - CRL

3 stops44h 25mMultiple Airlines

Deal found 3/27

$282

Mon 4/288:30 pmIAD - BRU

3 stops31h 45mMultiple Airlines

Deal found 3/27

$286

Sun 5/410:05 pmIAD - BRU

2 stops16h 30mScandinavian Airlines

Deal found 3/27

$369

Wed 4/28:30 pmIAD - BRU

1 stop10h 20mIcelandair

Deal found 3/27

$380

Tue 7/810:20 pmIAD - BRU

1 stop15h 45mTAP AIR PORTUGAL

Deal found 3/28

$405

Sun 4/2010:40 pmIAD - BRU

1 stop33h 40mBritish Airways

Deal found 3/27

$530

Tue 9/1610:40 pmIAD - BRU

2 stops16h 00mAer Lingus

Deal found 3/27

$623

Fri 6/209:05 pmIAD - BRU

1 stop14h 30mRoyal Air Maroc

Deal found 3/27

$761

Tue 7/85:45 pmIAD - BRU

Nonstop7h 30mUnited Airlines

Deal found 3/28

$939

Fri 9/125:45 pmIAD - BRU

Nonstop7h 30mBrussels Airlines

Deal found 3/27

$973

Wed 6/255:45 pmIAD - BRU

Nonstop7h 30mLufthansa

Deal found 3/27

$2,014

Wed 4/95:35 pmIAD - BRU

1 stop10h 40mSWISS

Deal found 3/27

$2,107

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels 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

Wed 8/27

10:05 pm-6:30 pm

1 stop14h 25m

Brussels Bruxelles-National

Mon 9/1

10:20 am-7:59 pm

1 stop15h 39m

$521

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 5/18

10:05 pm-12:00 pm

3 stops31h 55m

Brussels Bruxelles-National

Tue 5/27

9:50 am-7:59 pm

2 stops16h 09m

$628

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/30

1:30 pm-9:20 pm

1 stop25h 50m

Brussels Bruxelles-National

Thu 5/22

11:10 am-7:45 pm

1 stop38h 35m

$633

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Mon 4/28

8:30 pm-10:55 pm

2 stops20h 25m

Charleroi Brussels

Thu 5/8

9:05 pm-4:20 pm

2 stops25h 15m

$666

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 8/12

10:20 pm-11:55 pm

1 stop19h 35m

Brussels Bruxelles-National

Mon 8/25

8:55 pm-3:20 pm

1 stop24h 25m

$669

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 4/20

8:30 pm-12:50 pm

1 stop10h 20m

Brussels Bruxelles-National

Thu 4/24

1:50 pm-7:20 pm

1 stop11h 30m

$763

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 4/1

8:30 am-10:55 am

3 stops44h 25m

$282

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 4/28

8:30 pm-10:15 am

3 stops31h 45m

$286

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 7/13

5:45 pm-11:00 am

1 stop11h 15m

$335

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 5/19

10:05 pm-6:30 pm

1 stop14h 25m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 19 results

The best insider tips for Washington, D.C. Dulles Intl Airport to Brussels flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Brussels trip

Airlines

United Airlines

United's Polaris Business Class offers lie-flat seats and Saks Fifth Avenue bedding.

United's Premium Plus includes priority check-in and two checked bags on international flights.

Read more about United Airlinesby Harriet Baskas

Lufthansa

Lufthansa's Allegris cabins offer advanced comfort features on long-haul flights.

Lufthansa's economy includes meals and beverages on international flights.

Read more about Lufthansaby Blane Bachelor

Brussels Airlines

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

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

Our travel experts

Harriet Baskas

Expert on United Airlines

Blane Bachelor

Expert on Lufthansa

John Walton

Expert on Brussels Airlines

Best time to book a flight from Dulles Intl to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels 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

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Brussels is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brussels (average of $614). Flying from Washington, D.C. Dulles Intl Airport to Brussels in June is currently the most expensive (average of $1,146). 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?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Brussels 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.

Rainfall in Brussels by month

In terms of precipitation, rainfall in Brussels ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Brussels when rainfall is around 1.6 in.

Temperature in Brussels by month

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Brussels

SWISS

7.5

Good

1,570 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS

7.5

Good

1,570 reviews

SWISS

7.5

Good

1,570 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

United Airlines

7.4

Good

8,603 reviews

SWISS

7.5

Good

1,570 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Brussels Airlines

7.4

Good

344 reviews

SWISS

7.5

Good

1,570 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Turkish Airlines

7.3

Good

3,744 reviews

SWISS

7.5

Good

1,570 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Scandinavian Airlines

7.3

Good

1,325 reviews

SWISS

7.5

Good

1,570 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Brussels round-trip?
Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Brussels is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $521 on this airline. Additional options worth looking into are Turkish Airlines and TAP AIR PORTUGAL, starting at $672 and $693 round-trip. These flights start at 40% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Brussels one-way?
One-way options have recently been found by users for as low as $369 on Scandinavian Airlines. Other airlines that offer cheap prices include Icelandair from $380 and TAP AIR PORTUGAL from $405 one-way.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Brussels?
The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Brussels are Air Canada (65%), Austrian Airlines (65%) and Brussels Airlines (65%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Brussels?
The cheapest flight price from Washington, D.C. Dulles Intl Airport to Brussels is $538. On average you can expect to pay $2,503. The most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), can usually be booked for $379.
Can I find deals for flights from Dulles Intl to Brussels that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Brussels flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Brussels?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Brussels.
Can I find deals for business class flights from Dulles Intl to Brussels?
Yes. Cheapflights offers flight deals from Dulles Intl to Brussels 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?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brussels (average of $614). Flying from Washington, D.C. Dulles Intl Airport to Brussels in June is currently the most expensive (average of $1,146). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Brussels

Dulles Intl to Bruxelles-National flights

Baltimore to Bruxelles-National flights

Reagan-National to Bruxelles-National flights

Dulles Intl to Charleroi Brussels flights

Baltimore to Charleroi Brussels flights

Baltimore to Antwerp flights

Dulles Intl to Antwerp flights

Complete your trip

Brussels car rentals

Brussels Bruxelles-National Airport car rentals

Charleroi Brussels Airport car rentals

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Ostende-Bruges Airport car rentals

Liège Bierset Airport car rentals

Antwerp car rentals

Anderlecht car rentals

Ixelles car rentals

Saint-Gilles car rentals

Bruxelles-Ville car rentals

Etterbeek car rentals

Top 9 airlines flying from Dulles Intl to Brussels

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$383	Average$686	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$419	Average$572	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$441	Average$664	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$492	Average$929	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$559	Average$749	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$591	Average$770	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$724	Average$1,126	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$725	Average$1,183	FlexibilityNo cancel fee	On-time76%
Brussels Airlines	Cheapest$913	Average$1,331	FlexibilityNo cancel fee	On-timeN/A

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$282+ Cheap flights from Dulles Intl (IAD) to Brussels

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Brussels with Cheapflights

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3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Brussels are usually found in January or April, booked 74 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap flight deals from Dulles Intl to Brussels

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Brussels

Cheapest flights from Dulles Intl to BrusselsExplore the most affordable flight options available from Dulles Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Dulles Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

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

The best insider tips for Washington, D.C. Dulles Intl Airport to Brussels flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Brussels trip

Airlines

United Airlines

Lufthansa

Brussels Airlines

Our travel experts

Best time to book a flight from Dulles Intl to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Dulles Intl with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Brussels. Price data was last updated on March 21, 2025.

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

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

Find hourly flight availability from Dulles Intl to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

Reviews of airlines servicing Brussels

Related info for your journey

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

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

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Brussels one-way?

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

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

Can I find deals for flights from Dulles Intl to Brussels that include hotel bookings?

How can I find direct flights from Dulles Intl to Brussels?

Can I find deals for business class flights from Dulles Intl to Brussels?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Brussels

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Dulles Intl to Brussels

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Cheapest flights from Dulles Intl to Brussels
Explore the most affordable flight options available from Dulles Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.