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$316+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
Jun 30 — Jul 71
Tue 6/30
Tue 7/7
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 May 31, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 5/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:35 pm
BWI
-
BRU
1 stop11h 20m
British Airways
Tue 11/1712:00 pm
BRU
-
BWI
1 stop12h 45m
British Airways
Deal found 5/30$721
This oojo deal was found by Cheapflights users on 5/29. 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 11/97:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Tue 11/1712:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 5/29$726
This oojo deal was found by Cheapflights users on 5/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:00 pm
BWI
-
BRU
2 stops14h 40m
Scandinavian Airlines
Tue 11/1710:20 am
BRU
-
BWI
2 stops17h 55m
Scandinavian Airlines
Deal found 5/30$731
This oojo deal was found by Cheapflights users on 5/31. 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.
Fri 11/132:10 pm
BWI
-
BRU
2 stops18h 20m
Scandinavian Airlines
Mon 11/163:10 pm
BRU
-
BWI
2 stops37h 05m
Scandinavian Airlines
Deal found 5/31$733
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Wed 11/117:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Tue 11/1712:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 5/27$736
This Kiwi.com deal was found by Cheapflights users on 5/27. 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.
Mon 11/97:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Thu 11/1912:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 5/27$757
This oojo deal was found by Cheapflights users on 5/31. 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.
Fri 10/309:35 pm
BWI
-
BRU
1 stop11h 05m
British Airways
Mon 11/28:45 pm
BRU
-
BWI
1 stop28h 00m
British Airways
Deal found 5/31$772
This oojo deal was found by Cheapflights users on 5/31. 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.
Fri 11/138:35 pm
BWI
-
BRU
1 stop11h 05m
British Airways
Mon 11/165:30 pm
BRU
-
BWI
1 stop31h 15m
British Airways
Deal found 5/31$774
This FlightHub deal was found by Cheapflights users on 5/29. 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.
Fri 12/112:10 pm
BWI
-
BRU
2 stops37h 30m
Scandinavian Airlines
Tue 12/1510:20 am
BRU
-
BWI
2 stops17h 55m
Scandinavian Airlines
Deal found 5/29$789
This oojo deal was found by Cheapflights users on 5/27. 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.
Tue 12/11:00 pm
BWI
-
BRU
2 stops14h 40m
Scandinavian Airlines
Tue 12/88:30 pm
BRU
-
BWI
2 stops31h 45m
Scandinavian Airlines
Deal found 5/27$796
This Cheapflightsfares deal was found by Cheapflights users on 5/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm
BWI
-
BRU
1 stop11h 05m
British Airways
Fri 11/2711:45 am
BRU
-
BWI
1 stop13h 00m
British Airways
Deal found 5/30$797
This Cheapflightsfares deal was found by Cheapflights users on 5/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:25 pm
BWI
-
BRU
1 stop13h 40m
British Airways
Wed 9/2311:00 am
BRU
-
BWI
1 stop12h 15m
British Airways
Deal found 5/29$800

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 May 31, 2026.

Round-trip from

$721
(Cheapflightsfares)

One-way from

$316
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$993

Good round-trip deal

$1,241 or less

Good one-way deal

$741 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. 21% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 31, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Mon 11/16

7:40 pm-7:20 pm

2 stops17h 40m

Charleroi Brussels

Mon 11/30

4:55 pm-2:45 pm

3 stops27h 50m

$835

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Sun 10/11

12:00 pm-9:40 am

2 stops15h 40m

Brussels Bruxelles-National

Sun 10/18

3:15 pm-9:55 pm

2 stops36h 40m

$838

BaltimoreBrussels

BWI - CRL

BWICRL

Baltimore/Washington

Wed 11/4

7:40 pm-5:05 pm

2 stops15h 25m

Charleroi Brussels

Wed 11/11

7:30 pm-6:40 pm

3 stops29h 10m

$850

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Fri 11/6

8:35 pm-1:40 pm

1 stop11h 05m

Brussels Bruxelles-National

Mon 11/16

11:50 am-6:45 pm

1 stop12h 55m

$879

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Thu 7/23

8:30 pm-10:45 pm

2 stops20h 15m

Charleroi Brussels

Wed 8/5

5:35 pm-8:35 pm

2 stops33h 00m

$911

BaltimoreBrussels

BWI - CRL

BWICRL

Baltimore/Washington

Fri 11/13

7:40 pm-3:40 pm

2 stops14h 00m

Charleroi Brussels

Mon 11/16

9:20 am-6:40 pm

2 stops15h 20m

$911

BaltimoreBrussels

BWI - CRL

BWICRL

Baltimore/Washington

Sun 8/23

8:30 pm-10:35 pm

2 stops20h 05m

Charleroi Brussels

Mon 8/31

8:50 am-7:25 pm

2 stops16h 35m

$923

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Mon 11/9

7:40 pm-7:20 pm

2 stops17h 40m

Charleroi Brussels

Sat 11/14

5:05 pm-8:35 pm

2 stops33h 30m

$929

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Wed 11/4

4:00 pm-1:15 pm

2 stops15h 15m

Brussels Bruxelles-National

Wed 11/11

10:00 am-9:00 pm

1 stop17h 00m

$935

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 11/24

5:05 pm-11:15 am

2 stops12h 10m

Charleroi Brussels

Mon 11/30

6:20 am-4:20 pm

1 stop16h 00m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/28

Showing 1-10 of 60 resultsSorted by cheapest first
1
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3
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6

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, September is the cheapest month in which you can book a flight from Washington, D.C. to Belgium (average of $199). Flying from Washington, D.C. to Belgium in June is currently the most expensive (average of $705). 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 May 31, 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 May 31, 2026.

The most flights from WAS to BE0 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).

How far ahead should I book a flight from Washington, D.C. to Belgium?

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Belgium. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 May 31, 2026.
See what other customers who have flown with Scandinavian Airlines,United Airlines, andAer 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.
Scandinavian Airlines
7.4
Good
1,803 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.0

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Scandinavian Airlines
7.4
Good
1,803 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.0

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
United Airlines
7.4
Good
9,769 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.0

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Aer Lingus
7.3
Good
1,590 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.0

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Brussels Airlines
7.2
Good
408 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.0

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Icelandair
7.0
Good
663 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.0

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

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 11h 05m. Scandinavian Airlines provides one of the quickest options available for as low as $879. 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?

    $298 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Brussels Airlines and United Airlines, with prices starting from $439 and $464, 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 Brussels Airlines (73%), United Airlines (73%) or Lufthansa (70%) 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 $1,731, our data indicates the cheapest price to be $390. The most popular route (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), is priced around $634.

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Belgium (average of $199). Flying from Washington, D.C. to Belgium in June is currently the most expensive (average of $705). 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.

Top 9 airlines flying from Washington, D.C. to Belgium

Discover the top 9 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 May 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$393Average$620FlexibilityNo cancel feeOn-time76%
PLAYCheapest$415Average$674FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$440Average$726FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$462Average$558FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$531Average$633FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$539Average$787FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$591Average$874FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$633Average$1,160FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$762Average$1,270FlexibilityNo cancel feeOn-time76%

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