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$293 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 9/2. 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
Wed 7/10
Wed 7/17

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 42,898,604 times on KAYAK, and here is why:

Save 21% 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
$311PLAY
Find Deal
Mon, Sep 2 - Thu, Sep 5
6:50 pm - 11:30 amIAD-BRU
10h 40m1 stop
12:30 pm - 5:40 pmBRU-IAD
11h 10m1 stop
$349PLAY
Find Deal
Mon, Sep 2 - Thu, Sep 5
5:15 pm - 6:30 pmIAD-BRU
19h 15m1 stop
10:30 am - 3:25 pmBRU-IAD
10h 55m1 stop
$501Scandinavian Airlines
Find Deal
Tue, Sep 24 - Sat, Oct 5
5:10 pm - 7:50 pmIAD-BRU
20h 40m1 stop
8:30 pm - 3:40 pmBRU-IAD
25h 10m1 stop
$511Scandinavian Airlines
Find Deal
Mon, Dec 2 - Thu, Dec 12
10:20 pm - 8:05 pmIAD-BRU
15h 45m1 stop
11:45 am - 3:20 pmBRU-IAD
33h 35m1 stop
$540TAP AIR PORTUGAL
Find Deal
Thu, Oct 17 - Mon, Oct 21
5:40 pm - 11:35 pmIAD-BRU
23h 55m1 stop
11:50 am - 4:00 pmBRU-IAD
33h 10m1 stop
$573TAP AIR PORTUGAL
Find Deal
Wed, Oct 16 - Wed, Oct 30
5:10 pm - 9:35 amIAD-BRU
10h 25m1 stop
10:15 am - 3:40 pmBRU-IAD
11h 25m1 stop
$589Aer Lingus
Find Deal
Mon, Nov 18 - Mon, Dec 2
6:50 pm - 3:20 pmIAD-BRU
14h 30m2 stops
8:30 pm - 4:55 pmBRU-IAD
26h 25m2 stops
$599
Find Deal
Thu, Sep 5 - Wed, Dec 4
6:50 pm - 11:30 amIAD-BRU
10h 40m1 stop
7:25 pm - 5:40 pmBRU-IAD
28h 15m2 stops
$631
Find Deal
Mon, Sep 2 - Thu, Sep 5
5:10 pm - 9:40 amIAD-BRU
10h 30m1 stop
10:20 am - 3:40 pmBRU-IAD
11h 20m1 stop
$700Aer Lingus
Find Deal
Mon, Aug 26 - Mon, Sep 9

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 $503 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 $690.

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 $561 on average. On the other hand, the most expensive months are June and March, where the average cost of tickets is $1,148 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 1 day 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 ($293) and TAP AIR PORTUGAL ($384). The cheapest round-trip tickets were found on PLAY ($311) and Scandinavian Airlines ($501).

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 $652. 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 40m. 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 13 flights. The most frequent day of departure is Sunday, when 15% 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 25m.

Good to know

Cheapest flight

$293
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 $293 for a one-way ticket and $311 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, SkyTeam, and oneworld 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.
9/2Mon
1 stopPLAY
10h 40mIAD-BRU
$293
9/24Tue
2 stops
15h 00mIAD-CRL
$299
7/6Sat
2 stops
34h 25mIAD-CRL
$327
9/24Tue
2 stops
20h 00mIAD-BRU
$327
9/2Mon
2 stops
20h 10mIAD-BRU
$335
9/24Tue
1 stopTAP AIR PORTUGAL
12h 00mIAD-BRU
$384
8/30Fri
1 stopWorldTicket
10h 40mIAD-BRU
$426
10/3Thu
1 stopScandinavian Airlines
16h 05mIAD-BRU
$427
9/22Sun
1 stopTAP AIR PORTUGAL
15h 25mIAD-BRU
$452
7/2Tue
1 stopAer Lingus
31h 00mIAD-BRU
$554

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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.
6/12Wed
multi-stopPLAY
10h 40mIAD-BRU
6/20Thu
multi-stopPLAY
11h 10mBRU-IAD
$790
6/12Wed
multi-stopPLAY
10h 40mIAD-BRU
6/20Thu
multi-stopPLAY
11h 10mBRU-IAD
$799
6/12Wed
multi-stop
26h 10mIAD-BRU
6/20Thu
multi-stop
11h 10mBRU-IAD
$1,022
6/12Wed
multi-stop
26h 10mIAD-BRU
6/24Mon
multi-stop
24h 25mBRU-IAD
$1,143
6/11Tue
multi-stopTAP AIR PORTUGAL
16h 05mIAD-BRU
6/12Wed
multi-stopTAP AIR PORTUGAL
24h 25mBRU-IAD
$1,181
6/11Tue
multi-stopTAP AIR PORTUGAL
21h 05mIAD-BRU
6/24Mon
multi-stopTAP AIR PORTUGAL
24h 25mBRU-IAD
$1,235
6/11Tue
multi-stopIcelandair
31h 35mIAD-BRU
6/25Tue
multi-stopIcelandair
14h 20mBRU-IAD
$1,322
6/12Wed
multi-stopIcelandair
10h 20mIAD-BRU
6/19Wed
multi-stopIcelandair
14h 20mBRU-IAD
$1,349
6/13Thu
multi-stopITA Airways
21h 05mIAD-BRU
6/23Sun
multi-stopITA Airways
24h 15mBRU-IAD
$1,732
6/14Fri
multi-stopITA Airways
19h 00mIAD-BRU
6/23Sun
multi-stopITA Airways
24h 15mBRU-IAD
$1,772

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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:

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