HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brussels

$211+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Brussels with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Friday

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 junio 12, 2025.

Round-trip from

$498
(Flighttix)

One-way from

$211
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$1,048
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. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 junio 12, 2025.

This Flighttix deal was found by Cheapflights users on 6/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/48:30 pmBWI - BRU
1 stop10h 20mIcelandair
mié. 8/131:50 pmBRU - BWI
1 stop11h 35mIcelandair
Deal found 6/11$498
This Gotogate deal was found by Cheapflights users on 6/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/236:50 pmBWI - BRU
1 stop10h 40mPLAY
jue. 8/1412:30 pmBRU - BWI
1 stop11h 10mPLAY
Deal found 6/9$539
This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/258:30 pmBWI - BRU
1 stop11h 05mBritish Airways
mar. 12/29:45 pmBRU - BWI
1 stop27h 00mBritish Airways
Deal found 6/10$546
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1010:56 amBWI - BRU
1 stop15h 59mUnited Airlines
mar. 11/1810:10 amBRU - BWI
1 stop13h 04mUnited Airlines
Deal found 6/10$555
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/271:00 pmBWI - BRU
2 stops14h 00mDelta
mar. 11/411:00 amBRU - BWI
2 stops17h 56mDelta
Deal found 6/12$560
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/289:30 pmBWI - BRU
1 stop11h 05mAmerican Airlines
mié. 11/511:50 amBRU - BWI
1 stop12h 55mAmerican Airlines
Deal found 6/12$573
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/121:35 pmBWI - BRU
1 stop13h 05mKLM
vie. 10/1710:45 amBRU - BWI
1 stop14h 02mKLM
Deal found 6/10$585
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/226:50 pmDCA - BRU
2 stops12h 25mAir Canada
mar. 10/2810:00 amBRU - DCA
2 stops17h 37mAir Canada
Deal found 6/10$587
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/46:00 amIAD - BRU
2 stops20h 40mVirgin Atlantic
mié. 8/1310:45 amBRU - IAD
1 stop14h 04mVirgin Atlantic
Deal found 6/10$589
This United Airlines deal was found by Cheapflights users on 6/12. 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.
dom. 10/266:45 pmIAD - BRU
Nonstop7h 30mUnited Airlines
sáb. 11/811:55 amBRU - IAD
Nonstop8h 40mUnited Airlines
Deal found 6/12$590
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/52:54 pmDCA - BRU
2 stops13h 01mAmerican Airlines
jue. 8/1410:50 amBRU - DCA
2 stops17h 25mAmerican Airlines
Deal found 6/10$591
This Austrian Airlines deal was found by Cheapflights users on 6/12. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/277:00 pmIAD - BRU
1 stop19h 10mAustrian Airlines
lun. 11/39:50 amBRU - IAD
1 stop34h 50mAustrian Airlines
Deal found 6/12$591

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 junio 12, 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

lun. 8/4

8:30 pm-12:50 pm

1 stop10h 20m

Brussels Bruxelles-National

mié. 8/13

1:50 pm-7:25 pm

1 stop11h 35m

$498

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

mié. 7/23

6:50 pm-11:30 am

1 stop10h 40m

Brussels Bruxelles-National

jue. 8/14

12:30 pm-5:40 pm

1 stop11h 10m

$539

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

mar. 8/12

10:59 am-9:00 am

1 stop16h 01m

Brussels Bruxelles-National

mar. 10/14

9:40 am-2:08 pm

2 stops34h 28m

$569

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

mié. 8/27

6:54 pm-8:25 pm

2 stops19h 31m

Brussels Bruxelles-National

mar. 9/2

10:20 am-11:59 pm

2 stops19h 39m

$581

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

mar. 8/12

1:35 pm-8:40 am

1 stop13h 05m

Brussels Bruxelles-National

mié. 10/15

10:45 am-6:47 pm

1 stop14h 02m

$585

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

mié. 10/22

6:50 pm-1:15 pm

2 stops12h 25m

Brussels Bruxelles-National

mar. 10/28

10:00 am-10:37 pm

2 stops17h 37m

$587

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

lun. 8/4

10:28 am-8:40 am

2 stops16h 12m

Brussels Bruxelles-National

mié. 8/13

10:45 am-8:51 pm

1 stop16h 06m

$589

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

lun. 8/4

6:00 am-8:40 am

2 stops20h 40m

Brussels Bruxelles-National

mié. 8/13

10:45 am-6:49 pm

1 stop14h 04m

$589

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

dom. 10/26

6:45 pm-7:15 am

Nonstop7h 30m

Brussels Bruxelles-National

sáb. 11/8

11:55 am-2:35 pm

Nonstop8h 40m

$590

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

lun. 10/27

7:00 pm-7:10 pm

1 stop19h 10m

Brussels Bruxelles-National

lun. 11/3

9:50 am-2:40 pm

1 stop34h 50m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
1
2
3
...
6

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 June 9, 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 $1,096). 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 junio 12, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 41% 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 junio 12, 2025.

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

Rainfall in Brussels by month

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

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

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 junio 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Brussels, such as Delta, KLM and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 $498. Other airlines that can offer you cheap pricing are PLAY, from $539, and United Airlines, from $569. Icelandair is currently priced 41% 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 Icelandair, which is currently one of the cheapest options available, starting at $211. PLAY flights start at $306 while deals on TAP AIR PORTUGAL start at $335 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 Reykjavik. Dublin sees the next most layovers on Washington, D.C. to Brussels flights.

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

    If you're on a layover in Reykjavik and looking for things to do, consider visiting Hallgrímskirkja, Harpa, or Laugardalslaug Geothermal Pool. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Those landing in Reykjavik looking to spend some time exploring during their layover can rent a car for about $66 per day.

  • What are some popular points of interest to see during a layover in Dublin?

    The majority of Dublin visitors spend their time at Molly Malone Statue, Parnell Square, and St. Patrick's Cathedral. Travelers on a layover in Dublin can visit Molly Malone Statue, Parnell Square, and St. Patrick's Cathedral, by traveling 5.8 mi, 5.0 mi, and 6.1 mi, respectively after landing at Dublin. Travelers in need of a car in Dublin can rent one for about $24 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 $1,096). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$360Average$704FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$406Average$576FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$449Average$975FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$492Average$954FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$516Average$809FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$552Average$661FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$564Average$793FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$676Average$1,096FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$725Average$1,160FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$880Average$1,161FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.