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$271+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Brussels are usually found in January or February, booked 88 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap 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 August 2, 2025.

Round-trip from

$419
(Mytrip)

One-way from

$271
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$701
From Washington, D.C. (WAS) to Brussels
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One-way flight from Washington, D.C. (WAS) to Brussels
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Highest demand for flights based on searches. 4% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 2, 2025.

This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:50 pmBWI - BRU
1 stop10h 40mPLAY
Tue 9/212:30 pmBRU - BWI
1 stop11h 10mPLAY
Deal found 8/1$419
This FlightHub deal was found by Cheapflights users on 8/1. 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 11/67:30 pmBWI - BRU
1 stop10h 25mIcelandair
Fri 11/1412:50 pmBRU - BWI
1 stop11h 40mIcelandair
Deal found 8/1$559
This Scandinavian Airlines deal was found by Cheapflights users on 8/1. 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 11/68:30 pmIAD - BRU
1 stop31h 10mScandinavian Airlines
Fri 11/143:10 pmBRU - IAD
1 stop33h 40mScandinavian Airlines
Deal found 8/1$568
This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:30 pmIAD - BRU
1 stop10h 20mIcelandair
Sat 10/251:50 pmBRU - IAD
1 stop11h 30mIcelandair
Deal found 7/31$573
This oojo deal was found by Cheapflights users on 8/1. 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.
Tue 12/25:30 pmIAD - BRU
1 stop11h 30mTAP AIR PORTUGAL
Tue 12/96:00 amBRU - IAD
1 stop14h 35mTAP AIR PORTUGAL
Deal found 8/1$577
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:50 pmBWI - BRU
3 stops33h 25mMultiple Airlines
Wed 8/209:35 amBRU - BWI
2 stops14h 05mMultiple Airlines
Deal found 7/31$584
This Booking.com deal was found by Cheapflights users on 8/1. 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 8/259:40 amDCA - BRU
1 stop16h 20mAir Canada
Tue 9/210:00 amBRU - DCA
1 stop11h 51mAir Canada
Deal found 8/1$589
This Scandinavian Airlines deal was found by Cheapflights users on 8/1. 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.
Tue 12/211:00 amDCA - BRU
2 stops16h 40mScandinavian Airlines
Tue 12/910:20 amBRU - DCA
2 stops17h 33mScandinavian Airlines
Deal found 8/1$591
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:45 pmIAD - BRU
Nonstop7h 30mUnited Airlines
Tue 12/911:55 amBRU - IAD
Nonstop8h 40mUnited Airlines
Deal found 7/31$592
This Air Canada deal was found by Cheapflights users on 7/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:35 pmIAD - BRU
2 stops13h 15mAir Canada
Tue 12/910:00 amBRU - IAD
2 stops17h 22mAir Canada
Deal found 7/31$599
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. 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 9/2910:05 pmIAD - BRU
2 stops30h 10mMultiple Airlines
Sat 10/48:00 amBRU - IAD
2 stops17h 59mMultiple Airlines
Deal found 7/31$601
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:20 pmIAD - CRL
2 stops18h 35mMultiple Airlines
Wed 10/155:15 pmCRL - IAD
2 stops33h 35mMultiple Airlines
Deal found 7/31$605

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 August 2, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Brussels that are best for you.

Fly from

Washington, D.C.

Fly to

Brussels

Route

Depart

Return

Price

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Mon 8/25

6:50 pm-11:30 am

1 stop10h 40m

Brussels Bruxelles-National

Tue 9/2

12:30 pm-5:40 pm

1 stop11h 10m

$419

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 1/8

7:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Sun 1/18

12:50 pm-6:30 pm

1 stop11h 40m

$557

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 11/6

8:30 pm-9:40 am

1 stop31h 10m

Brussels Bruxelles-National

Fri 11/14

3:10 pm-6:50 pm

1 stop33h 40m

$568

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 10/15

8:30 pm-12:50 pm

1 stop10h 20m

Brussels Bruxelles-National

Sat 10/25

1:50 pm-7:20 pm

1 stop11h 30m

$573

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 12/2

5:30 pm-11:00 am

1 stop11h 30m

Brussels Bruxelles-National

Tue 12/9

6:00 am-2:35 pm

1 stop14h 35m

$577

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Wed 1/21

11:00 am-9:40 am

2 stops16h 40m

Brussels Bruxelles-National

Tue 1/27

10:20 am-9:54 pm

2 stops17h 34m

$581

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sat 8/16

6:50 pm-10:15 am

3 stops33h 25m

Brussels Bruxelles-National

Wed 8/20

9:35 am-5:40 pm

2 stops14h 05m

$584

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Mon 8/25

9:40 am-8:00 am

1 stop16h 20m

Brussels Bruxelles-National

Tue 9/2

10:00 am-3:51 pm

1 stop11h 51m

$589

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 12/2

1:20 pm-7:50 am

1 stop12h 30m

Brussels Bruxelles-National

Tue 12/9

11:55 am-2:35 pm

Nonstop8h 40m

$592

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 12/2

12:35 pm-7:50 am

2 stops13h 15m

Brussels Bruxelles-National

Tue 12/9

10:00 am-9:22 pm

2 stops17h 22m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 47 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Brussels. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Brussels, you should look to book at least 88 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.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Brussels (average of $614). Flying from Washington, D.C. to Brussels in June is currently the most expensive (average of $1,081). 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 August 2, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 39% on flights from Washington, D.C. to Brussels by exploring options for tickets in the morning.

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 August 2, 2025.

The most flights from WAS to BR1 are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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

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 August 2, 2025.
Read reviews from past customers who have flown Delta, Cathay Pacific, and United Airlines 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.
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Cathay Pacific
7.6
Good
951 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.4
Good
1,457 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,935 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $419. Other airlines that can offer you cheap pricing are Icelandair, from $557, and Scandinavian Airlines, from $568. PLAY is currently priced 49% 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 WorldTicket, which is currently one of the cheapest options available, starting at $281. TAP AIR PORTUGAL flights start at $297 while deals on Scandinavian Airlines start at $365 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.

  • Where are the most common layover locations when flying from Washington, D.C. to Brussels?

    Of the flights from Washington, D.C. to Brussels that have layovers, most of them stop in Dublin.

  • What are some popular things to do or see while on a layover in Dublin?

    If you're on a layover in Dublin and looking for things to do, consider visiting Molly Malone Statue, St. Patrick's Cathedral, or Parnell Square. Molly Malone Statue, St. Patrick's Cathedral, and Parnell Square are located about 5.8 mi, 6.1 mi, and 5.0 mi, respectively from Dublin. Those landing in Dublin looking to spend some time exploring during their layover can rent a car for about $26 per day.

  • Where are the least popular layover locations for Washington, D.C. to Brussels flights?

    The least popular layover on flights from Washington, D.C. to Brussels is Copenhagen.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Brussels (average of $614). Flying from Washington, D.C. to Brussels in June is currently the most expensive (average of $1,081). 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
Reagan-National to Bruxelles-National flights
Dulles Intl to Charleroi Brussels flights
Dulles Intl to Antwerp flights

Top 10 airlines flying from Washington, D.C. to Brussels

Discover the top 10 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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$360Average$685FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$402Average$572FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$449Average$772FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$492Average$954FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$496Average$748FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$516Average$809FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$552Average$650FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$564Average$790FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$593Average$1,034FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$633Average$1,040FlexibilityNo cancel feeOn-timeN/A

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