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$277+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BRU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap 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 31, 2025.

Round-trip from

$417
(Mytrip)

One-way from

$278
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$872

Good round-trip deal

$734 or less

Good one-way deal

$514 or less
From Washington, D.C. (WAS) to Belgium
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One-way flight from Washington, D.C. (WAS) to Belgium
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Highest demand for flights based on searches. 4% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Belgium.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Belgium.
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Find 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 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:50 pmBWI - BRU
1 stop10h 40mPLAY
Sat 8/3012:30 pmBRU - BWI
1 stop11h 10mPLAY
Deal found 7/31$435
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:50 pmBWI - BRU
2 stops20h 15mMultiple Airlines
Mon 9/159:30 amBRU - BWI
2 stops14h 10mMultiple Airlines
Deal found 7/30$482
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:05 pmIAD - BRU
1 stop29h 35mScandinavian Airlines
Wed 10/2210:20 amBRU - IAD
1 stop15h 39mScandinavian Airlines
Deal found 7/31$569
This oojo deal was found by Cheapflights users on 7/31. 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.
Tue 8/128:30 pmBWI - BRU
1 stop10h 20mIcelandair
Wed 8/201:50 pmBRU - BWI
1 stop11h 35mIcelandair
Deal found 7/31$570
This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:30 pmIAD - BRU
1 stop10h 20mIcelandair
Sat 10/251:50 pmBRU - IAD
1 stop11h 30mIcelandair
Deal found 7/31$573
This lol.travel deal was found by Cheapflights users on 7/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/252:00 pmDCA - BRU
1 stop13h 00mUnited Airlines
Tue 9/210:00 amBRU - DCA
1 stop11h 51mUnited Airlines
Deal found 7/30$577
This lol.travel deal was found by Cheapflights users on 7/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:40 pmIAD - BRU
1 stop12h 20mUnited Airlines
Tue 9/212:00 pmBRU - IAD
Nonstop8h 25mUnited Airlines
Deal found 7/30$580
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:40 amDCA - BRU
1 stop16h 20mAir Canada
Tue 9/210:00 amBRU - DCA
1 stop11h 51mAir Canada
Deal found 7/30$589
This Scandinavian Airlines deal was found by Cheapflights users on 7/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:05 pmIAD - BRU
2 stops30h 10mMultiple Airlines
Sat 9/208:00 amBRU - IAD
2 stops17h 59mMultiple Airlines
Deal found 7/30$597
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:35 pmIAD - BRU
2 stops13h 15mAir Canada
Tue 12/910:00 amBRU - IAD
2 stops17h 22mAir Canada
Deal found 7/30$599
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:20 pmIAD - CRL
2 stops18h 35mMultiple Airlines
Wed 10/155:15 pmCRL - IAD
2 stops33h 35mMultiple Airlines
Deal found 7/31$605
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:29 amBWI - BRU
2 stops18h 31mUnited Airlines
Tue 11/1110:10 amBRU - BWI
1 stop13h 04mUnited Airlines
Deal found 7/30$607

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 31, 2025.
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

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 8/13

6:50 pm-11:30 am

1 stop10h 40m

Brussels Bruxelles-National

Sat 8/30

12:30 pm-5:40 pm

1 stop11h 10m

$435

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 9/10

6:50 pm-9:05 pm

2 stops20h 15m

Brussels Bruxelles-National

Mon 9/15

9:30 am-5:40 pm

2 stops14h 10m

$482

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 1/8

7:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Sun 1/18

12:50 pm-6:30 pm

1 stop11h 40m

$557

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Fri 9/26

10:05 pm-9:40 am

1 stop29h 35m

Brussels Bruxelles-National

Fri 10/24

10:20 am-7:59 pm

1 stop15h 39m

$569

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 10/15

8:30 pm-12:50 pm

1 stop10h 20m

Brussels Bruxelles-National

Sat 10/25

1:50 pm-7:20 pm

1 stop11h 30m

$573

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Mon 8/25

2:00 pm-9:00 am

1 stop13h 00m

Brussels Bruxelles-National

Tue 9/2

10:00 am-3:51 pm

1 stop11h 51m

$577

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 8/25

12:40 pm-7:00 am

1 stop12h 20m

Brussels Bruxelles-National

Tue 9/2

12:00 pm-2:25 pm

Nonstop8h 25m

$580

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Wed 1/21

11:00 am-9:40 am

2 stops16h 40m

Brussels Bruxelles-National

Tue 1/27

10:20 am-9:54 pm

2 stops17h 34m

$581

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Mon 8/25

9:40 am-8:00 am

1 stop16h 20m

Brussels Bruxelles-National

Tue 9/2

10:00 am-3:51 pm

1 stop11h 51m

$589

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 9/13

10:05 pm-10:15 am

2 stops30h 10m

Brussels Bruxelles-National

Sat 9/20

8:00 am-7:59 pm

2 stops17h 59m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 48 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Belgium (average of $614). Flying from Washington, D.C. to Belgium in June is currently the most expensive (average of $1,081). 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 31, 2025.

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 31, 2025.

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).

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 31, 2025.
See what other customers who have flown with Delta, KLM, and Cathay Pacific 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.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Cathay Pacific
7.6
Good
949 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 WorldTicket and PLAY, with prices starting from $325 and $352, 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.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Belgium (average of $614). Flying from Washington, D.C. to Belgium in June is currently the most expensive (average of $1,081). 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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Dulles Intl to Florence flights

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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$360Average$685FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$402Average$572FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$449Average$772FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$492Average$954FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$496Average$748FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$516Average$809FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$552Average$650FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$564Average$790FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$593Average$1,034FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$633Average$1,040FlexibilityNo cancel feeOn-timeN/A

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