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$242+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 71 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 April 1, 2025.

Round-trip from

$516
(oojo)

One-way from

$242
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$821
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. 1% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 1, 2025.

This oojo deal was found by Cheapflights users on 4/1. 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.
Thu 10/910:05 pmIAD - BRU
2 stops14h 15mScandinavian Airlines
Mon 10/1310:55 amBRU - IAD
2 stops15h 04mScandinavian Airlines
Deal found 4/1$513
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 4/288:30 pmIAD - CRL
2 stops20h 25mMultiple Airlines
Tue 5/66:50 pmCRL - IAD
2 stops32h 00mMultiple Airlines
Deal found 3/31$571
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1311:10 amDCA - BRU
2 stops22h 10mScandinavian Airlines
Tue 5/2010:20 amBRU - DCA
2 stops18h 25mScandinavian Airlines
Deal found 4/1$607
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:30 pmIAD - BRU
1 stop17h 35mTAP AIR PORTUGAL
Tue 12/96:00 amBRU - IAD
1 stop15h 15mTAP AIR PORTUGAL
Deal found 3/31$620
This FlightHub deal was found by Cheapflights users on 4/1. 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.
Wed 4/301:30 pmIAD - BRU
1 stop14h 40mTurkish Airlines
Tue 5/137:15 amBRU - IAD
1 stop18h 30mTurkish Airlines
Deal found 4/1$637
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 4/286:50 pmBWI - BRU
2 stops17h 40mMultiple Airlines
Tue 5/64:00 pmBRU - BWI
2 stops31h 40mMultiple Airlines
Deal found 3/31$643
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:00 pmBWI - BRU
2 stops14h 40mScandinavian Airlines
Tue 12/210:20 amBRU - BWI
2 stops17h 23mScandinavian Airlines
Deal found 3/31$656
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 4/288:30 pmIAD - BRU
3 stops31h 45mMultiple Airlines
Tue 5/69:00 amBRU - IAD
2 stops17h 50mMultiple Airlines
Deal found 3/31$662
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 4/288:30 pmBWI - CRL
2 stops13h 35mMultiple Airlines
Tue 5/67:35 amCRL - BWI
3 stops40h 13mMultiple Airlines
Deal found 3/31$673
This Icelandair deal was found by Cheapflights users on 3/31. 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 Icelandair 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
Thu 11/2012:50 pmBRU - BWI
1 stop11h 40mIcelandair
Deal found 3/31$684
This PLAY deal was found by Cheapflights users on 3/31. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:50 pmBWI - BRU
1 stop10h 40mPLAY
Sat 8/1612:30 pmBRU - BWI
1 stop11h 10mPLAY
Deal found 3/31$735
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Mon 11/36:00 amDCA - BRU
1 stop19h 55mAir Canada
Fri 11/2110:00 amBRU - DCA
1 stop17h 00mAir Canada
Deal found 3/31$747

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 April 1, 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

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/9

10:05 pm-9:40 am

1 stop29h 35m

Brussels Bruxelles-National

Wed 9/17

7:00 pm-7:59 pm

2 stops30h 59m

$514

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

Tue 5/6

6:50 pm-8:50 pm

2 stops32h 00m

$571

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Tue 5/13

11:10 am-3:20 pm

2 stops22h 10m

Brussels Bruxelles-National

Tue 5/20

10:20 am-10:45 pm

2 stops18h 25m

$607

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/30

1:30 pm-10:10 am

1 stop14h 40m

Brussels Bruxelles-National

Wed 5/14

7:15 am-7:45 pm

1 stop18h 30m

$637

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Mon 4/28

6:50 pm-6:30 pm

2 stops17h 40m

Brussels Bruxelles-National

Tue 5/6

4:00 pm-5:40 pm

2 stops31h 40m

$643

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 4/28

8:30 pm-10:15 am

3 stops31h 45m

Brussels Bruxelles-National

Tue 5/6

9:00 am-8:50 pm

2 stops17h 50m

$662

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 8/12

10:20 pm-8:05 pm

1 stop15h 45m

Brussels Bruxelles-National

Fri 8/22

5:55 am-8:50 pm

1 stop20h 55m

$665

BaltimoreBrussels

BWI - CRL

BWICRL

Baltimore/Washington

Mon 4/28

8:30 pm-4:05 pm

2 stops13h 35m

Charleroi Brussels

Tue 5/6

7:35 am-5:48 pm

3 stops40h 13m

$673

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 8/6

6:50 pm-11:30 am

1 stop10h 40m

Brussels Bruxelles-National

Sat 8/16

12:30 pm-5:40 pm

1 stop11h 10m

$735

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 8/27

1:00 pm-6:30 pm

2 stops23h 30m

Brussels Bruxelles-National

Tue 9/2

8:30 pm-9:43 pm

2 stops31h 13m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 54 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 March 28, 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 71 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 $1,146). 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 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 April 1, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 44% 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 April 1, 2025.

The most flights from WAS to BR1 are scheduled on a Tuesday (8 on average). You will have fewer flight options on Monday, 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 April 1, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Brussels, such as Delta, KLM and LOT. 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
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $516. Other airlines that can offer you cheap pricing are Turkish Airlines, from $650, and TAP AIR PORTUGAL, from $665. Scandinavian Airlines is currently priced 39% 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 Scandinavian Airlines, which is currently one of the cheapest options available, starting at $365. TAP AIR PORTUGAL flights start at $366 while deals on Icelandair start at $514 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, Baltimore/Washington - Brussels Bruxelles-National or Washington, D.C. Reagan-National - 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.

  • 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 $52 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 Dublin.

  • 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 $1,146). 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

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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$331Average$576FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$419Average$586FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$441Average$864FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$492Average$953FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$516Average$954FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$559Average$757FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$580Average$710FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$694Average$1,147FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$724Average$1,112FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$913Average$1,331FlexibilityNo cancel feeOn-timeN/A

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