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$231+ Cheap flights from Washington, D.C. (WAS) 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
Jul 19 — Jul 261
Sun 7/19
Sun 7/26
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Brussels are usually found in October or September, booked 89 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Brussels

Cheapest flights from Washington, D.C. to Brussels
Explore the most affordable flight options available from Washington, D.C. to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.

This oojo deal was found by Cheapflights users on 6/17. 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.
Mon 11/27:40 pm
IAD
-
BRU
1 stop10h 15m
Icelandair
Tue 11/1012:50 pm
BRU
-
IAD
1 stop11h 40m
Icelandair
Deal found 6/17$577
This Justfly.com deal was found by Cheapflights users on 6/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Tue 11/1012:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 6/16$586
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Sun 11/1512:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 6/18$602
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:40 pm
IAD
-
BRU
1 stop10h 15m
Icelandair
Sun 11/1512:50 pm
BRU
-
IAD
1 stop11h 40m
Icelandair
Deal found 6/18$602
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Sun 11/1512:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 6/15$607
This Icelandair deal was found by Cheapflights users on 6/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Thu 11/1212:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 6/16$608
This Booking.com deal was found by Cheapflights users on 6/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:30 pm
IAD
-
BRU
2 stops32h 20m
Scandinavian Airlines
Wed 12/27:00 pm
BRU
-
IAD
2 stops28h 15m
Scandinavian Airlines
Deal found 6/16$616
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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.
Mon 11/97:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Tue 11/1712:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 6/15$625
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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.
Mon 11/97:40 pm
IAD
-
BRU
1 stop10h 15m
Icelandair
Tue 11/1712:50 pm
BRU
-
IAD
1 stop11h 40m
Icelandair
Deal found 6/15$625
This Scandinavian Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 12/318:30 pm
IAD
-
BRU
1 stop12h 00m
Scandinavian Airlines
Fri 1/157:20 pm
BRU
-
IAD
2 stops29h 30m
Scandinavian Airlines
Deal found 6/16$639
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:40 pm
IAD
-
BRU
1 stop10h 15m
Icelandair
Thu 11/1912:50 pm
BRU
-
IAD
1 stop11h 40m
Icelandair
Deal found 6/18$652
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:40 pm
IAD
-
BRU
1 stop10h 15m
Icelandair
Tue 11/1712:50 pm
BRU
-
IAD
1 stop11h 40m
Icelandair
Deal found 6/15$657

Find flight deals from Washington, D.C. to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Brussels (BR1). 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 June 19, 2026.

Round-trip from

$577
(oojo)

One-way from

$231
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,256
From Washington, D.C. (WAS) to Brussels
Search Deals
One-way flight from Washington, D.C. (WAS) to Brussels
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($246 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Brussels 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 June 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 12/9

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 12/24

12:50 pm-6:40 pm

1 stop11h 50m

$708

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/8

1:20 pm-1:25 pm

1 stop18h 05m

Brussels Bruxelles-National

Fri 9/25

11:10 am-11:35 am

1 stop30h 25m

$761

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/16

9:45 pm-9:25 pm

1 stop17h 40m

Brussels Bruxelles-National

Tue 9/22

11:20 am-11:35 am

1 stop30h 15m

$791

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/9

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Wed 9/23

5:45 am-5:00 pm

1 stop17h 15m

$818

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 11/25

8:35 pm-6:25 pm

2 stops15h 50m

Brussels Bruxelles-National

Mon 11/30

7:10 pm-6:45 pm

2 stops29h 35m

$824

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 8/12

6:25 pm-3:05 pm

2 stops14h 40m

Brussels Bruxelles-National

Thu 8/20

10:50 am-7:40 pm

1 stop14h 50m

$830

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Tue 8/18

6:23 pm-10:35 pm

2 stops22h 12m

Brussels Bruxelles-National

Mon 8/24

7:45 pm-11:33 pm

2 stops33h 48m

$831

BaltimoreBrussels

BWI - CRL

BWICRL

Baltimore/Washington

Wed 11/4

7:40 pm-10:05 pm

2 stops20h 25m

Charleroi Brussels

Wed 11/18

7:30 pm-6:40 pm

3 stops29h 10m

$843

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Mon 11/2

7:40 pm-9:35 pm

3 stops19h 55m

Charleroi Brussels

Tue 11/10

2:20 pm-8:35 pm

3 stops36h 15m

$848

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Thu 8/27

8:30 pm-9:30 pm

2 stops19h 00m

Charleroi Brussels

Fri 9/11

4:55 pm-10:15 pm

2 stops35h 20m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Washington, D.C. 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. to Brussels

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Brussels (average of $199). Flying from Washington, D.C. to Brussels in June is currently the most expensive (average of $705). 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 WAS to BRU?

Find hourly flight availability from Washington, D.C. 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 June 19, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Brussels as you normally would.

Weekly flight availability from Washington, D.C. to Brussels

Explore weekly flight availability from Washington, D.C. to Brussels. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 19, 2026.

The most flights from WAS to BR1 are scheduled on a Wednesday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Washington, D.C. to Brussels?

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Brussels, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated June 19, 2026.
Read reviews from past customers who have flown Scandinavian Airlines,United Airlines, andAer Lingus from Washington, D.C. to Brussels. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,832 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Scandinavian Airlines
7.4
Good
1,832 reviews
Scandinavian Airlines
7.4
Good
1,832 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
United Airlines
7.4
Good
9,861 reviews
Scandinavian Airlines
7.4
Good
1,832 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Aer Lingus
7.3
Good
1,605 reviews
Scandinavian Airlines
7.4
Good
1,832 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Brussels Airlines
7.2
Good
412 reviews
Scandinavian Airlines
7.4
Good
1,832 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Icelandair
7.0
Good
679 reviews
Scandinavian Airlines
7.4
Good
1,832 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Brussels. 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. to Brussels?

    There are many flights that can get you from Washington, D.C. to Brussels in 10h 15m. Fly via Icelandair, Turkish Airlines, or Scandinavian Airlines to get the fastest option. The distance from Washington, D.C. to Brussels is about 3837 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Washington, D.C. to Brussels round-trip from $385. Other airlines that can offer you cheap pricing are TAP AIR PORTUGAL, from $440, and Scandinavian Airlines, from $463. Icelandair is currently priced 52% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $298. Scandinavian Airlines flights start at $370 while deals on Brussels Airlines start at $461 one-way.

  • What are the most popular routes from Washington, D.C. to Brussels?

    Most travelers choose Washington, D.C. Dulles Intl - Brussels Bruxelles-National, Washington, D.C. Reagan-National - Brussels Bruxelles-National or Baltimore/Washington - Brussels Bruxelles-National when deciding on the best route from Washington, D.C. to Brussels.

  • What are the most reliable airlines from Washington, D.C. to Brussels?

    Consider Brussels Airlines (55%), United Airlines (55%) or Lufthansa (41%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Brussels.

  • What are the cheapest flights from Washington, D.C. to Brussels?

    Looking at all options, your cheapest flight can be booked for $527. While the most popular route (Washington, D.C. Dulles Intl - Brussels Bruxelles-National) can be booked for $626 on average, our data indicates $1,792 when flying from Washington, D.C. to Brussels.

  • Can I find deals for flights from Washington, D.C. to Brussels that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Brussels flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Brussels?

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

  • Can I find deals for business class flights from Washington, D.C. to Brussels?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Brussels?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Brussels (average of $199). Flying from Washington, D.C. to Brussels in June is currently the most expensive (average of $705). 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

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

Alternative routes for Washington, D.C. to Brussels

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

Top 8 airlines flying from Washington, D.C. to Brussels

Discover the top 8 airlines that operate flights from Washington, D.C. to Brussels. 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 June 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$385Average$619FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$440Average$730FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$463Average$565FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$531Average$633FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$539Average$787FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$592Average$889FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$652Average$1,316FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$762Average$1,270FlexibilityNo cancel feeOn-time76%

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