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$195+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
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 July 17, 2026.

This Fareboom deal was found by Cheapflights users on 7/13. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:30 pm
BWI
-
BRU
1 stop10h 25m
Icelandair
Mon 10/191:50 pm
BRU
-
BWI
1 stop11h 35m
Icelandair
Deal found 7/13$445
This Mytrip deal was found by Cheapflights users on 7/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:30 pm
BWI
-
BRU
1 stop10h 25m
Icelandair
Tue 10/2712:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 7/15$460
This Mytrip deal was found by Cheapflights users on 7/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:30 pm
BWI
-
BRU
1 stop10h 25m
Icelandair
Sat 10/101:50 pm
BRU
-
BWI
1 stop14h 25m
Icelandair
Deal found 7/14$462
This oojo deal was found by Cheapflights users on 7/15. 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.
Sun 10/48:30 pm
BWI
-
BRU
1 stop10h 25m
Icelandair
Fri 10/91:50 pm
BRU
-
BWI
1 stop11h 35m
Icelandair
Deal found 7/15$464
This oojo deal was found by Cheapflights users on 7/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Sun 12/612:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 7/12$465
This oojo deal was found by Cheapflights users on 7/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:20 pm
BWI
-
BRU
1 stop31h 35m
Icelandair
Thu 10/151:50 pm
BRU
-
BWI
1 stop14h 25m
Icelandair
Deal found 7/16$466
This oojo deal was found by Cheapflights users on 7/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:20 pm
BWI
-
BRU
1 stop31h 35m
Icelandair
Tue 10/2712:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 7/13$469
This Mytrip deal was found by Cheapflights users on 7/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:30 pm
BWI
-
BRU
1 stop10h 25m
Icelandair
Sun 9/201:50 pm
BRU
-
BWI
1 stop14h 25m
Icelandair
Deal found 7/16$470
This FlightHub deal was found by Cheapflights users on 7/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:40 pm
BWI
-
BRU
1 stop10h 15m
Icelandair
Tue 11/1712:50 pm
BRU
-
BWI
1 stop11h 50m
Icelandair
Deal found 7/13$473
This Justfly.com deal was found by Cheapflights users on 7/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:20 pm
BWI
-
BRU
1 stop31h 35m
Icelandair
Thu 10/221:50 pm
BRU
-
BWI
1 stop11h 35m
Icelandair
Deal found 7/13$474
This FlightHub deal was found by Cheapflights users on 7/15. 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.
Wed 9/211:20 pm
BWI
-
BRU
1 stop31h 35m
Icelandair
Mon 9/281:50 pm
BRU
-
BWI
1 stop11h 35m
Icelandair
Deal found 7/15$488
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:30 pm
BWI
-
BRU
1 stop10h 25m
Icelandair
Mon 10/191:50 pm
BRU
-
BWI
1 stop11h 35m
Icelandair
Deal found 7/13$493

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 July 17, 2026.

Round-trip from

$445
(Fareboom)

One-way from

$195
(eDestinos)

Popular in

June

Cheapest in

October

Average price

$1,225

Good round-trip deal

$1,206 or less

Good one-way deal

$734 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. 29% potential increase in price ($344 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 17, 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

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 10/14

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Fri 10/23

1:50 pm-7:25 pm

1 stop11h 35m

$495

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 11/30

8:30 pm-6:20 pm

2 stops15h 50m

Brussels Bruxelles-National

Mon 12/7

10:20 am-5:15 pm

1 stop12h 55m

$733

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Wed 11/4

4:00 pm-7:50 am

1 stop9h 50m

Brussels Bruxelles-National

Fri 11/20

10:00 am-3:24 pm

1 stop11h 24m

$769

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 9/1

8:30 pm-9:15 pm

2 stops18h 45m

Charleroi Brussels

Mon 9/7

9:30 pm-8:35 pm

2 stops29h 05m

$774

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 9/29

8:30 pm-3:30 pm

2 stops13h 00m

Charleroi Brussels

Wed 10/7

6:40 am-7:00 pm

2 stops18h 20m

$781

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 11/25

10:15 pm-8:55 am

1 stop28h 40m

Brussels Bruxelles-National

Wed 12/2

11:55 am-2:30 pm

Nonstop8h 35m

$789

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Fri 10/23

8:30 pm-10:35 pm

2 stops20h 05m

Charleroi Brussels

Tue 10/27

1:15 pm-8:05 pm

2 stops35h 50m

$789

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/29

10:05 pm-8:55 am

1 stop28h 50m

Brussels Bruxelles-National

Wed 10/7

12:00 pm-2:15 pm

Nonstop8h 15m

$819

BaltimoreBrussels

BWI - CRL

BWICRL

Baltimore/Washington

Thu 10/1

11:20 pm-10:45 pm

3 stops17h 25m

Charleroi Brussels

Sat 10/10

10:30 am-10:15 pm

2 stops17h 45m

$820
Quickest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 10/5

5:45 pm-7:15 am

Nonstop7h 30m

Brussels Bruxelles-National

Wed 10/14

12:00 pm-2:15 pm

Nonstop8h 15m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $622). Flying from Washington, D.C. to Belgium in June is currently the most expensive (average of $1,346). 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 July 17, 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 July 17, 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 43 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 July 17, 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
1,885 reviews

Food

6.7

Boarding

7.7

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

6.7

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
1,885 reviews
Scandinavian Airlines
7.4
Good
1,885 reviews

Food

6.7

Boarding

7.7

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

6.7

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
10,006 reviews
Scandinavian Airlines
7.4
Good
1,885 reviews

Food

6.7

Boarding

7.7

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

6.7

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
1,671 reviews
Scandinavian Airlines
7.4
Good
1,885 reviews

Food

6.7

Boarding

7.7

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

6.7

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
421 reviews
Scandinavian Airlines
7.4
Good
1,885 reviews

Food

6.7

Boarding

7.7

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

6.7

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
710 reviews
Scandinavian Airlines
7.4
Good
1,885 reviews

Food

6.7

Boarding

7.7

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

6.7

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 10h 25m. Icelandair provides one of the quickest options available for as low as $495. 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 Scandinavian Airlines and Brussels Airlines, with prices starting from $370 and $461, 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 (55%), United Airlines (55%) or Air Canada (37%) 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 $2,508, our data indicates the cheapest price to be $516. The most popular route (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), is priced around $461.

  • 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 $622). Flying from Washington, D.C. to Belgium in June is currently the most expensive (average of $1,346). 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

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Top 8 airlines flying from Washington, D.C. to Belgium

Discover the top 8 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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$385Average$653FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$440Average$730FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$463Average$583FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$531Average$633FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$539Average$800FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$622Average$1,014FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$761Average$1,396FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$762Average$1,270FlexibilityNo cancel feeOn-time76%

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