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$291 Find cheap flights from Washington, D.C. to Brussels

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Brussels departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Tue 6/4
Tue 6/11

Search hundreds of travel sites at once for deals on flights to Brussels

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Brussels, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Brussels, as well as popular online travel agencies
In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

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Cheap flight deals from Washington, D.C. to Brussels (IAD-BRU)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Brussels that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:50 pm - 11:30 amIAD-BRU
10h 40m1 stop
12:30 pm - 5:40 pmBRU-IAD
11h 10m1 stop
$585PLAY
Find Deal
Fri, Aug 2 - Tue, Aug 13
6:50 pm - 11:30 amIAD-BRU
10h 40m1 stop
12:30 pm - 5:40 pmBRU-IAD
11h 10m1 stop
$596PLAY
Find Deal
Fri, Jun 7 - Thu, Jun 13
1:00 pm - 8:05 pmIAD-BRU
25h 05m3 stops
4:55 pm - 7:10 pmBRU-IAD
32h 15m2 stops
Mon, Jun 3 - Mon, Jun 10
6:50 pm - 11:30 amIAD-BRU
10h 40m1 stop
8:20 pm - 5:40 pmBRU-IAD
27h 20m2 stops
Fri, Jun 21 - Wed, Jul 31
8:30 pm - 12:50 pmIAD-BRU
10h 20m1 stop
1:50 pm - 10:10 pmBRU-IAD
14h 20m1 stop
$866Icelandair
Find Deal
Mon, Jun 3 - Mon, Jun 10
4:30 pm - 10:40 amIAD-BRU
12h 10m1 stop
11:35 am - 2:40 pmBRU-IAD
33h 05m1 stop
$881ITA Airways
Find Deal
Mon, Jun 3 - Sun, Jun 9
11:15 pm - 12:50 pmIAD-BRU
31h 35m1 stop
1:50 pm - 10:10 pmBRU-IAD
14h 20m1 stop
$884Icelandair
Find Deal
Sat, Aug 3 - Sun, Aug 18
4:30 pm - 5:30 pmIAD-BRU
19h 00m1 stop
8:25 pm - 2:40 pmBRU-IAD
24h 15m2 stops
$901ITA Airways
Find Deal
Mon, Jun 3 - Sun, Jun 9
5:10 pm - 11:00 amIAD-BRU
11h 50m1 stop
8:55 pm - 3:20 pmBRU-IAD
24h 25m1 stop
$928TAP AIR PORTUGAL
Find Deal
Sat, Aug 3 - Wed, Aug 14
10:20 pm - 11:45 pmIAD-BRU
19h 25m1 stop
8:55 pm - 7:40 pmBRU-IAD
28h 45m1 stop
$933TAP AIR PORTUGAL
Find Deal
Sun, Jul 28 - Tue, Aug 6

Flights from Washington, D.C. to Brussels - Travel Insights & Trends

Get data-powered insights and trends into flights from Washington, D.C. to Brussels to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Washington, D.C. Dulles Intl Airport to Brussels flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from Washington, D.C. Dulles Intl Airport to Brussels.
Our data shows that the cheapest route for a one-way flight from Washington, D.C. Dulles Intl Airport to Brussels cost $499 and was between Washington, D.C. Dulles Intl Airport and Brussels Bruxelles-National Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $731.

What’s the cheapest day of the week to fly from Washington, D.C. to Brussels?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Brussels clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Washington, D.C. to Brussels, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Brussels, Tuesday is the cheapest day to fly and Wednesday is the most expensive.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Brussels?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Brussels, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Brussels is February, where tickets cost $558 on average. On the other hand, the most expensive months are June and March, where the average cost of tickets is $1,113 and $1,043 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Brussels?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Brussels, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Brussels, you should book around 3 days before departure. For the absolute cheapest price, our data suggests you should book 14 days before departure.

Which airlines provide the cheapest flights from Washington, D.C. to Brussels?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on PLAY ($326) and TAP AIR PORTUGAL ($461). The cheapest round-trip tickets were found on PLAY ($585) and Icelandair ($866).

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Brussels?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Washington, D.C. Dulles Intl Airport to Brussels.
There are 2 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Brussels. They are Brussels Airlines and United Airlines. The cheapest airline for this route is United Airlines, with the best one-way deal found costing $671. On average, the best prices for this route can be found at United Airlines.

How many flights are there between Washington, D.C. Dulles Intl Airport and Brussels per day?

Each day, there are between 1 and 2 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Brussels, with an average flight time of 7h 44m. The most common departure time is 5:00 pm and most flights take off in the afternoon, while the most flights land at Brussels Bruxelles-National Airport. Each week, there are 12 flights. The most frequent day of departure is Monday, when 17% of all weekly flights depart. The fewest flights depart on a Friday.

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Brussels?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Washington, D.C. to Brussels take?

There are no direct flights from Washington, D.C. to Brussels. The quickest journey takes 7h 30m.

Good to know

Cheapest flight

$291
Flight from Washington Dulles Airport to Brussels Airport

When to book flights from Washington, D.C. to Brussels

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Brussels based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington, D.C. to Brussels flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Brussels?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Brussels was $291 for a one-way ticket and $585 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Brussels?

    Yes, you’ll need a passport to travel to Brussels from Washington, D.C..

  • Which airports will I be using when flying from Washington, D.C. to Brussels?

    Washington, D.C. is served by only 1 airport and there are 2 airports in Brussels. You will leave Washington, D.C. from Washington, D.C. Dulles Intl and you will be arriving in Brussels at one of these airports: Brussels Bruxelles-National or Charleroi Brussels.

  • Which aircraft models fly most regularly from Washington, D.C. to Brussels?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Brussels?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Brussels, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Brussels?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Brussels.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Brussels?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Brussels?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Brussels?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Washington, D.C. to Brussels?

Find which airlines fly direct from Dulles Intl to Brussels, which days they fly and book direct flights.

Nonstop departures

Washington, D.C. Dulles Intl to Brussels

Monday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Tuesday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Wednesday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Thursday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Friday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Saturday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Sunday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

See more direct flights

Nonstop returns

Brussels to Washington, D.C. Dulles Intl

Monday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Tuesday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Wednesday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Thursday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Friday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Saturday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

Sunday

Air Canada, Austrian Airlines, Brussels Airlines, +3 more

Air Canada, Austrian Airlines, +4 more

See more direct flights
See more direct flights

Book cheap flights from Washington, D.C. to Brussels

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Brussels found on KAYAK in the last 72 hours.
7/9Tue
2 stops
32h 30mIAD-BRU
$291
7/12Fri
1 stopPLAY
10h 40mIAD-BRU
$326
6/25Tue
2 stops
32h 45mIAD-CRL
$336
8/21Wed
1 stopPLAY
10h 40mIAD-BRU
$360
6/24Mon
1 stopPLAY
10h 40mIAD-BRU
$369
10/6Sun
1 stopTAP AIR PORTUGAL
11h 20mIAD-BRU
$461
10/18Fri
1 stopTAP AIR PORTUGAL
13h 10mIAD-BRU
$469
9/8Sun
2 stopsScandinavian Airlines
19h 05mIAD-BRU
$528
6/28Fri
2 stopsPorter Airlines
32h 30mIAD-BRU
$704
5/21Tue
1 stopBritish Airways
15h 30mIAD-BRU
$749

Search by stops

Search by airline

Search by price

Last minute flights from Washington, D.C. to Brussels

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Brussels that are departing in the next 10 days.
5/6Mon
multi-stop
17h 05mIAD-BRU
6/1Sat
multi-stop
11h 10mBRU-IAD
$1,070
5/8Wed
multi-stopTAP AIR PORTUGAL
19h 15mIAD-BRU
5/10Fri
multi-stopTAP AIR PORTUGAL
20h 45mBRU-IAD
$1,092
5/8Wed
multi-stopTAP AIR PORTUGAL
19h 15mIAD-BRU
5/10Fri
multi-stopTAP AIR PORTUGAL
18h 25mBRU-IAD
$1,098
5/7Tue
multi-stopScandinavian Airlines
19h 05mIAD-BRU
5/12Sun
multi-stopScandinavian Airlines
24h 55mBRU-IAD
$1,239
5/7Tue
multi-stopScandinavian Airlines
19h 05mIAD-BRU
5/12Sun
multi-stopScandinavian Airlines
26h 25mBRU-IAD
$1,273
5/6Mon
multi-stopLufthansa
15h 00mIAD-BRU
6/1Sat
nonstopLufthansa
8h 15mBRU-IAD
$1,283
5/6Mon
multi-stopUnited Airlines
28h 25mIAD-BRU
6/1Sat
nonstopUnited Airlines
8h 15mBRU-IAD
$1,714
5/8Wed
multi-stopUnited Airlines
28h 25mIAD-BRU
5/10Fri
nonstopUnited Airlines
8h 15mBRU-IAD
$1,768
5/7Tue
multi-stopLufthansa
11h 30mIAD-BRU
5/12Sun
nonstopLufthansa
8h 15mBRU-IAD
$1,963
5/7Tue
multi-stopEthiopian Air
39h 50mIAD-BRU
5/12Sun
multi-stopEthiopian Air
43h 25mBRU-IAD
$2,107

Search by stops

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Washington, D.C. - Brussels Flights

Departure:

Washington, D.C. (IAD)United States

Return flight deals:

Brussels - Washington, D.C.

Cabin classes: