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$256+ Cheap flights from Washington, D.C. (WAS) to Belgium

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Belgium

Cheapest flights from Washington, D.C. to Belgium
Explore the most affordable flight options available from Washington, D.C. to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sat 4/118:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Thu 4/237:10 pm
BRU
-
IAD
1 stop27h 40m
Scandinavian Airlines
Deal found 1/29$468
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 4/1210:35 pm
IAD
-
BRU
1 stop15h 30m
TAP AIR PORTUGAL
Thu 4/233:55 pm
BRU
-
IAD
1 stop29h 10m
TAP AIR PORTUGAL
Deal found 1/29$469
This oojo deal was found by Cheapflights users on 1/29. 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 stop16h 10m
Scandinavian Airlines
Thu 4/166:55 pm
BRU
-
IAD
2 stops27h 55m
Scandinavian Airlines
Deal found 1/29$470
This oojo deal was found by Cheapflights users on 1/29. 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.
Mon 2/168:30 pm
IAD
-
BRU
1 stop16h 05m
Scandinavian Airlines
Wed 2/257:20 pm
BRU
-
IAD
2 stops27h 55m
Scandinavian Airlines
Deal found 1/29$471
This FlightHub deal was found by Cheapflights users on 1/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:20 pm
IAD
-
BRU
2 stops18h 10m
Scandinavian Airlines
Fri 5/19:10 pm
BRU
-
IAD
2 stops25h 40m
Scandinavian Airlines
Deal found 1/31$476
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 3/96:30 pm
IAD
-
BRU
1 stop24h 20m
TAP AIR PORTUGAL
Wed 3/1811:50 am
BRU
-
IAD
1 stop33h 25m
TAP AIR PORTUGAL
Deal found 1/29$477
This FlightHub deal was found by Cheapflights users on 1/30. 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 4/158:20 pm
IAD
-
BRU
2 stops18h 10m
Scandinavian Airlines
Sun 4/198:30 pm
BRU
-
IAD
1 stop26h 20m
Scandinavian Airlines
Deal found 1/30$478
This FlightHub deal was found by Cheapflights users on 1/30. 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
1 stop12h 15m
Scandinavian Airlines
Sat 4/258:30 pm
BRU
-
IAD
1 stop26h 20m
Scandinavian Airlines
Deal found 1/30$479
This FlightHub deal was found by Cheapflights users on 1/29. 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 3/119:30 pm
IAD
-
BRU
1 stop12h 00m
Scandinavian Airlines
Wed 3/1810:20 am
BRU
-
IAD
1 stop12h 55m
Scandinavian Airlines
Deal found 1/29$480
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 stop17h 30m
Scandinavian Airlines
Tue 4/2110:55 am
BRU
-
IAD
2 stops35h 55m
Scandinavian Airlines
Deal found 1/29$481
This Kiwi.com deal was found by Cheapflights users on 1/29. 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
Sun 4/1910:20 am
BRU
-
IAD
1 stop12h 30m
Scandinavian Airlines
Deal found 1/29$483
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Tue 3/106:30 pm
IAD
-
CRL
1 stop19h 25m
Multiple Airlines
Wed 3/257:00 am
CRL
-
IAD
1 stop20h 00m
Multiple Airlines
Deal found 1/29$521

Find flight deals from Washington, D.C. to Belgium

Keep the following information in mind while searching for Washington, D.C. to Belgium flight deals. Data was last updated February 1, 2026.

Round-trip from

$468
(Kiwi.com)

One-way from

$256
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$706

Good round-trip deal

$746 or less

Good one-way deal

$593 or less
From Washington, D.C. (WAS) to Belgium
Search Deals
One-way flight from Washington, D.C. (WAS) to Belgium
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Belgium.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Belgium.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Belgium 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 February 1, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Belgium that are best for you.

Fly from

Washington, D.C.

Fly to

Belgium

Route

Depart

Return

Price

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

5:45 am-4:50 pm

1 stop17h 05m

$496

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 4/23

8:20 pm-6:15 pm

2 stops15h 55m

Brussels Bruxelles-National

Thu 5/14

5:45 am-4:50 pm

1 stop17h 05m

$498

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-6:30 pm

1 stop16h 10m

Brussels Bruxelles-National

Sat 4/18

8:30 pm-4:50 pm

1 stop26h 20m

$502

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/15

8:20 pm-11:00 pm

1 stop20h 40m

Brussels Bruxelles-National

Sat 4/18

8:30 pm-4:50 pm

1 stop26h 20m

$502

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 3/10

6:30 pm-6:55 pm

1 stop19h 25m

Charleroi Brussels

Wed 3/25

7:00 am-10:00 pm

1 stop20h 00m

$521

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 3/11

9:30 pm-7:50 pm

1 stop17h 20m

Brussels Bruxelles-National

Sun 3/15

8:30 pm-6:15 pm

1 stop26h 45m

$533

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 3/4

12:24 pm-2:30 pm

2 stops20h 06m

Brussels Bruxelles-National

Wed 3/11

7:20 pm-6:15 pm

2 stops27h 55m

$583

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sat 4/11

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Thu 4/23

1:50 pm-7:25 pm

1 stop11h 35m

$589

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sun 4/12

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Thu 4/23

1:50 pm-7:25 pm

1 stop11h 35m

$589

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Mon 5/11

1:50 pm-7:20 pm

1 stop11h 30m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium 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 Belgium

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Belgium (average of $392). Flying from Washington, D.C. to Belgium in June is currently the most expensive (average of $673). 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 BE?

Find hourly flight availability from Washington, D.C. to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 1, 2026.

When flying from Washington, D.C. to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. to Belgium

Explore weekly flight availability from Washington, D.C. to Belgium. 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 February 1, 2026.

The most flights from WAS to BE0 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).

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. 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 Belgium. Reviews last updated February 1, 2026.
See what other customers who have flown with United Airlines, Scandinavian Airlines, and Aer Lingus from Washington, D.C. to Belgium have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,219 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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
9,219 reviews
United Airlines
7.4
Good
9,219 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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
1,676 reviews
United Airlines
7.4
Good
9,219 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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
1,444 reviews
United Airlines
7.4
Good
9,219 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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
9,219 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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
9,219 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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 Belgium. 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 Belgium?

    A quick flight from Washington, D.C. to Belgium can take about 10h 25m. Scandinavian Airlines provides one of the quickest options available for as low as $589. Washington, D.C. and Belgium are separated by a distance of 3837 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Belgium one-way?

    $188 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Scandinavian Airlines and Brussels Airlines, with prices starting from $285 and $439, respectively.

  • What are the most popular routes from Washington, D.C. to Belgium?

    When deciding which route to take from Washington, D.C. to Belgium consider Washington, D.C. Dulles Intl - Brussels Bruxelles-National, Washington, D.C. Reagan-National - Brussels Bruxelles-National or Baltimore/Washington - Brussels Bruxelles-National as they are the most popular.

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

    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 Belgium.

  • What are the cheapest flights from Washington, D.C. to Belgium?

    Looking for the cheapest flight from Washington, D.C. to Belgium? While on average our users pay $1,158, our data indicates the cheapest price to be $386. The most popular route (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), is priced around $457.

  • Can I find deals for flights from Washington, D.C. to Belgium that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Belgium?

    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 Belgium.

  • Can I find deals for business class flights from Washington, D.C. to Belgium?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Belgium 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 Belgium?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Belgium (average of $392). Flying from Washington, D.C. to Belgium in June is currently the most expensive (average of $673). 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

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Alternative routes for Washington, D.C. to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington, D.C. to Belgium

Discover the top 10 airlines that operate flights from Washington, D.C. to Belgium. 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 February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$333Average$726FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$345Average$803FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$393Average$737FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$423Average$562FlexibilityNo 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$791FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$540Average$624FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$592Average$931FlexibilityNo cancel feeOn-time69%

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