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$264+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 86 days in advance, depart on a Wednesday or Thursday and return on a Friday

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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 3/196:30 pm
IAD
-
BRU
1 stop24h 20m
TAP AIR PORTUGAL
Wed 3/256:00 am
BRU
-
IAD
1 stop21h 00m
TAP AIR PORTUGAL
Deal found 1/26$467
This oojo deal was found by Cheapflights users on 1/26. 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.
Wed 4/88:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Thu 4/163:15 pm
BRU
-
IAD
1 stop31h 35m
Scandinavian Airlines
Deal found 1/26$468
This CrystalTravel deal was found by Cheapflights users on 1/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:20 pm
IAD
-
BRU
2 stops18h 10m
Scandinavian Airlines
Sat 5/210:20 am
BRU
-
IAD
1 stop12h 30m
Scandinavian Airlines
Deal found 1/27$469
This oojo deal was found by Cheapflights users on 1/27. 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.
Wed 4/228:20 pm
IAD
-
BRU
1 stop17h 30m
Scandinavian Airlines
Wed 5/137:00 pm
BRU
-
IAD
2 stops27h 50m
Scandinavian Airlines
Deal found 1/27$470
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sun 3/1511:30 pm
IAD
-
BRU
1 stop12h 35m
TAP AIR PORTUGAL
Tue 3/245:55 pm
BRU
-
IAD
1 stop33h 05m
TAP AIR PORTUGAL
Deal found 1/26$474
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Fri 4/178:20 pm
IAD
-
BRU
2 stops33h 40m
Scandinavian Airlines
Thu 4/239:10 pm
BRU
-
IAD
2 stops25h 40m
Scandinavian Airlines
Deal found 1/27$475
This deal was found by Cheapflights users on 1/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Sun 5/310:20 am
BRU
-
IAD
1 stop12h 30m
Scandinavian Airlines
Deal found 1/28$477
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sat 9/268:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Thu 10/110:20 am
BRU
-
IAD
1 stop12h 30m
Scandinavian Airlines
Deal found 1/28$479
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 4/128:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Thu 4/3010:20 am
BRU
-
IAD
1 stop12h 30m
Scandinavian Airlines
Deal found 1/27$480
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 9/248:20 pm
IAD
-
BRU
1 stop16h 10m
Scandinavian Airlines
Thu 10/110:20 am
BRU
-
IAD
1 stop12h 30m
Scandinavian Airlines
Deal found 1/27$484
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/208:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Sat 4/258:30 pm
BRU
-
IAD
1 stop26h 20m
Scandinavian Airlines
Deal found 1/28$485
This deal was found by Cheapflights users on 1/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Thu 4/3010:20 am
BRU
-
IAD
1 stop12h 30m
Scandinavian Airlines
Deal found 1/28$487

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 January 29, 2026.

Round-trip from

$467
(Kiwi.com)

One-way from

$264
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$658
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. 15% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 January 29, 2026.
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 - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 2/25

10:30 pm-10:50 pm

2 stops18h 20m

Charleroi Brussels

Wed 3/4

10:25 am-9:00 pm

2 stops16h 35m

$491

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-10:40 am

2 stops32h 20m

Brussels Bruxelles-National

Thu 4/23

10:20 am-4:50 pm

1 stop12h 30m

$494

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 3/17

6:30 pm-6:55 pm

1 stop19h 25m

Charleroi Brussels

Wed 3/25

7:00 am-10:00 pm

1 stop20h 00m

$538

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Thu 3/19

6:30 pm-6:35 pm

1 stop19h 05m

Charleroi Brussels

Wed 3/25

7:00 am-10:00 pm

1 stop20h 00m

$539

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Mon 3/16

6:30 pm-2:35 pm

1 stop15h 05m

Charleroi Brussels

Wed 3/25

7:00 am-10:00 pm

1 stop20h 00m

$547

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 5/5

12:45 pm-10:40 am

2 stops15h 55m

Brussels Bruxelles-National

Sun 5/24

10:20 am-4:50 pm

1 stop12h 30m

$558

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 3/16

9:30 pm-2:30 pm

1 stop12h 00m

Brussels Bruxelles-National

Wed 3/25

10:20 am-6:15 pm

1 stop12h 55m

$561

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Tue 3/17

11:00 am-9:40 am

2 stops17h 40m

Brussels Bruxelles-National

Mon 3/23

7:15 pm-10:36 pm

2 stops32h 21m

$583

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Wed 3/4

11:06 am-9:40 am

2 stops16h 34m

Brussels Bruxelles-National

Sun 3/8

10:20 am-10:36 pm

2 stops17h 16m

$583

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 4/8

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Sat 5/2

1:50 pm-7:25 pm

1 stop11h 35m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 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 January 23, 2026.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Brussels, you should look to book at least 86 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Brussels (average of $385). Flying from Washington, D.C. to Brussels in June is currently the most expensive (average of $667). 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 January 29, 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 January 29, 2026.

The most flights from WAS to BR1 are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, 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 January 29, 2026.
Read reviews from past customers who have flown United Airlines, Scandinavian Airlines, and Aer 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.
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Scandinavian Airlines
7.3
Good
1,674 reviews
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,443 reviews
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Brussels Airlines
7.2
Good
381 reviews
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.1
Good
606 reviews
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 25m. Fly via Scandinavian Airlines, Icelandair, or United 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 $333. Other airlines that can offer you cheap pricing are British Airways, from $345, and Icelandair, from $409. TAP AIR PORTUGAL is currently priced 56% 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 $188. Scandinavian Airlines flights start at $285 while deals on Brussels Airlines start at $439 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.

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

    Consider SWISS (44%), Lufthansa (42%) or Air Canada (42%) 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 $416. While the most popular route (Washington, D.C. Dulles Intl - Brussels Bruxelles-National) can be booked for $440 on average, our data indicates $1,037 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Brussels (average of $385). Flying from Washington, D.C. to Brussels in June is currently the most expensive (average of $667). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$333Average$784FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$345Average$803FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$408Average$731FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$423Average$566FlexibilityNo cancel feeOn-time77%
PLAYCheapest$432Average$764FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$480Average$713FlexibilityNo cancel feeOn-time75%
DeltaCheapest$511Average$704FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$539Average$789FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$540Average$624FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$591Average$921FlexibilityNo cancel feeOn-time69%

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