HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brussels

$259+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
เม.ย. 16 — เม.ย. 231
พฤ. 4/16
พฤ. 4/23
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 October or September, booked 42 days in advance, depart on a Wednesday or Thursday 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 มีนาคม 17, 2026.

This Flighttix deal was found by Cheapflights users on 3/13. 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.
จ. 4/278:20 pm
IAD
-
BRU
2 stops18h 10m
Scandinavian Airlines
จ. 5/49:10 pm
BRU
-
IAD
2 stops49h 50m
Scandinavian Airlines
Deal found 3/13$517
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อา. 4/198:20 pm
IAD
-
BRU
2 stops18h 10m
Scandinavian Airlines
พ. 4/226:55 pm
BRU
-
IAD
2 stops28h 05m
Scandinavian Airlines
Deal found 3/15$522
This Scandinavian Airlines deal was found by Cheapflights users on 3/14. 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.
จ. 11/308:30 pm
IAD
-
BRU
1 stop31h 10m
Scandinavian Airlines
พ. 12/910:20 am
BRU
-
IAD
1 stop12h 55m
Scandinavian Airlines
Deal found 3/14$525
This Scandinavian Airlines deal was found by Cheapflights users on 3/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อา. 4/198:20 pm
IAD
-
BRU
1 stop16h 10m
Scandinavian Airlines
พฤ. 4/237:10 pm
BRU
-
IAD
1 stop27h 50m
Scandinavian Airlines
Deal found 3/12$526
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
จ. 4/208:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
ส. 5/210:20 am
BRU
-
IAD
1 stop12h 40m
Scandinavian Airlines
Deal found 3/15$527
This oojo deal was found by Cheapflights users on 3/14. 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.
พ. 9/98:20 pm
IAD
-
BRU
1 stop16h 10m
Scandinavian Airlines
พ. 9/238:30 pm
BRU
-
IAD
1 stop26h 30m
Scandinavian Airlines
Deal found 3/14$528
This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
จ. 11/308:30 pm
IAD
-
BRU
2 stops39h 50m
Scandinavian Airlines
พฤ. 12/1010:20 am
BRU
-
IAD
1 stop12h 55m
Scandinavian Airlines
Deal found 3/14$529
This FlightHub deal was found by Cheapflights users on 3/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
จ. 11/238:30 pm
IAD
-
BRU
1 stop31h 10m
Scandinavian Airlines
ศ. 11/2711:30 am
BRU
-
IAD
2 stops37h 20m
Scandinavian Airlines
Deal found 3/15$531
This Rumbo deal was found by Cheapflights users on 3/14. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 4/2812:45 pm
IAD
-
BRU
2 stops15h 55m
Scandinavian Airlines
อ. 5/58:30 pm
BRU
-
IAD
1 stop26h 30m
Scandinavian Airlines
Deal found 3/14$532
This lol.travel deal was found by Cheapflights users on 3/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 4/2811:00 am
DCA
-
BRU
2 stops17h 40m
Scandinavian Airlines
อ. 5/510:20 am
BRU
-
DCA
2 stops18h 02m
Scandinavian Airlines
Deal found 3/14$583
This Mytrip deal was found by Cheapflights users on 3/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พฤ. 4/168:30 pm
IAD
-
CRL
2 stops19h 00m
Multiple Airlines
พฤ. 4/237:05 am
CRL
-
IAD
2 stops18h 15m
Multiple Airlines
Deal found 3/17$588
This FlightHub deal was found by Cheapflights users on 3/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พ. 4/156:00 am
DCA
-
BRU
2 stops22h 40m
Scandinavian Airlines
พ. 4/2210:20 am
BRU
-
DCA
2 stops18h 02m
Scandinavian Airlines
Deal found 3/16$589

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 มีนาคม 17, 2026.

Round-trip from

$517
(Flighttix)

One-way from

$259
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$711
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. 19% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 มีนาคม 17, 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

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

อา. 4/19

8:20 pm-6:30 pm

1 stop16h 10m

Brussels Bruxelles-National

พฤ. 4/23

7:10 pm-5:00 pm

1 stop27h 50m

$526

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

อา. 4/19

8:30 pm-10:45 pm

2 stops20h 15m

Charleroi Brussels

พฤ. 4/23

9:05 pm-3:10 pm

2 stops24h 05m

$698

BaltimoreBrussels

BWI - CRL

BWICRL

Baltimore/Washington

พฤ. 5/7

8:30 pm-9:30 pm

2 stops19h 00m

Charleroi Brussels

พฤ. 5/14

7:05 am-10:15 pm

2 stops21h 10m

$720

BaltimoreBrussels

BWI - CRL

BWICRL

Baltimore/Washington

อ. 4/21

8:30 pm-9:15 pm

2 stops18h 45m

Charleroi Brussels

พฤ. 4/30

7:05 am-7:25 pm

2 stops18h 20m

$757

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

อ. 4/28

8:30 pm-3:30 pm

2 stops13h 00m

Charleroi Brussels

อา. 5/10

11:40 am-3:30 pm

1 stop33h 50m

$761

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

จ. 4/20

12:45 pm-7:55 pm

3 stops25h 10m

Charleroi Brussels

ส. 5/2

8:15 pm-5:00 pm

2 stops26h 45m

$783

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

อา. 5/3

8:30 pm-8:40 am

2 stops30h 10m

Charleroi Brussels

อ. 5/12

12:20 pm-3:30 pm

1 stop33h 10m

$802

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

จ. 5/4

9:45 am-11:20 am

3 stops19h 35m

Charleroi Brussels

อ. 5/12

7:55 am-7:25 pm

2 stops17h 30m

$803

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

พฤ. 4/23

9:45 pm-10:55 pm

2 stops19h 10m

Charleroi Brussels

จ. 4/27

1:35 pm-11:35 am

2 stops28h 00m

$809
Quickest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

จ. 5/4

5:30 pm-7:15 am

Nonstop7h 45m

Brussels Bruxelles-National

อ. 5/12

12:00 pm-2:20 pm

Nonstop8h 20m

$824

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 60 resultsSorted by cheapest first
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 March 13, 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 42 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 $393). Flying from Washington, D.C. to Brussels in June is currently the most expensive (average of $725). 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 มีนาคม 17, 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 มีนาคม 17, 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 มีนาคม 17, 2026.
Read reviews from past customers who have flown United Airlines,Scandinavian 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.
United Airlines
7.4
Good
9,431 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

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
9,431 reviews
United Airlines
7.4
Good
9,431 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

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
1,716 reviews
United Airlines
7.4
Good
9,431 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

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
1,477 reviews
United Airlines
7.4
Good
9,431 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

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
391 reviews
United Airlines
7.4
Good
9,431 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

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
622 reviews
United Airlines
7.4
Good
9,431 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

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 7h 45m. Fly via Scandinavian Airlines, United Airlines, or Delta to get the fastest option. The distance from Washington, D.C. to Brussels is about 3879 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 $345. Other airlines that can offer you cheap pricing are Icelandair, from $393, and TAP AIR PORTUGAL, from $440. British Airways is currently priced 54% 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, 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 Lufthansa (66%), Air Canada (65%) or Austrian Airlines (65%) 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 $263. While the most popular route (Washington, D.C. Dulles Intl - Brussels Bruxelles-National) can be booked for $497 on average, our data indicates $1,342 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 $393). Flying from Washington, D.C. to Brussels in June is currently the most expensive (average of $725). 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 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 มีนาคม 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$345Average$771FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$393Average$712FlexibilityNo cancel feeOn-time76%
PLAYCheapest$432Average$764FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$440Average$730FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$446Average$571FlexibilityNo cancel feeOn-time77%
DeltaCheapest$511Average$656FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$540Average$631FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$552Average$792FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$592Average$938FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$633Average$1,029FlexibilityNo 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.