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$245 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 7/14. 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
Sat 6/29
Sat 7/6

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 42,686,544 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

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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
$357PLAY
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
$361PLAY
Find Deal
Mon, Sep 2 - Thu, Sep 5
5:10 pm - 3:10 pmIAD-BRU
16h 00m1 stop
8:30 pm - 3:40 pmBRU-IAD
25h 10m1 stop
$441Scandinavian Airlines
Find Deal
Wed, Nov 20 - Wed, Dec 4
5:15 pm - 6:20 pmIAD-BRU
19h 05m2 stops
12:45 pm - 3:40 pmBRU-IAD
32h 55m2 stops
$450Scandinavian Airlines
Find Deal
Mon, Oct 21 - Wed, Jan 15
5:15 pm - 8:25 amIAD-BRU
33h 10m1 stop
7:10 pm - 3:25 pmBRU-IAD
26h 15m1 stop
$584
Find Deal
Sun, Aug 18 - Mon, Sep 2
5:10 pm - 8:40 pmIAD-BRU
21h 30m1 stop
10:15 am - 4:40 pmBRU-IAD
11h 25m1 stop
$604Aer Lingus
Find Deal
Wed, Oct 16 - Wed, Oct 30
10:30 pm - 11:45 pmIAD-BRU
19h 15m1 stop
5:55 pm - 1:40 pmBRU-IAD
25h 45m1 stop
$643TAP AIR PORTUGAL
Find Deal
Fri, Nov 8 - Mon, Nov 11
5:15 pm - 6:20 pmIAD-BRU
19h 05m2 stops
9:30 am - 3:25 pmBRU-IAD
11h 55m1 stop
$646
Find Deal
Mon, Aug 19 - Tue, Aug 27
5:10 pm - 9:40 amIAD-BRU
10h 30m1 stop
10:20 am - 3:40 pmBRU-IAD
11h 20m1 stop
$650Aer Lingus
Find Deal
Wed, Aug 7 - Wed, Sep 4
10:20 pm - 8:05 pmIAD-BRU
15h 45m1 stop
5:55 pm - 1:40 pmBRU-IAD
25h 45m1 stop
$652TAP AIR PORTUGAL
Find Deal
Wed, Sep 4 - Mon, Dec 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 $741.

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 $1,148 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 ($252) and Icelandair ($478). The cheapest round-trip tickets were found on PLAY ($357) and Scandinavian Airlines ($441).

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 $660. 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 12 flights. The most frequent day of departure is Thursday, when 17% of all weekly flights depart. The fewest flights depart on a Wednesday.

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

$245
Flight from Washington, D.C. to Charleroi Brussels

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 $245 for a one-way ticket and $357 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.
7/14Sun
2 stops
36h 50mIAD-CRL
$245
7/10Wed
1 stopPLAY
10h 40mIAD-BRU
$252
7/15Mon
1 stopPLAY
10h 40mIAD-BRU
$258
7/13Sat
1 stopIcelandair
31h 35mIAD-BRU
$478
7/11Thu
1 stopIcelandair
31h 35mIAD-BRU
$479
7/6Sat
1 stopTAP AIR PORTUGAL
12h 45mIAD-BRU
$540
8/1Thu
1 stopTAP AIR PORTUGAL
11h 40mIAD-BRU
$546
7/2Tue
1 stopAer Lingus
18h 00mIAD-BRU
$571
6/19Wed
2 stopsPorter Airlines
32h 30mIAD-BRU
$638
6/12Wed
2 stopsPorter Airlines
32h 30mIAD-BRU
$653

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.
6/3Mon
multi-stopPLAY
10h 40mIAD-BRU
6/13Thu
multi-stopPLAY
11h 10mBRU-IAD
$745
6/3Mon
multi-stop
29h 40mIAD-BRU
6/13Thu
multi-stop
11h 10mBRU-IAD
$919
6/3Mon
multi-stop
30h 35mIAD-BRU
6/13Thu
multi-stop
34h 25mBRU-IAD
$952
6/1Sat
multi-stopIcelandair
31h 35mIAD-BRU
1/3Fri
multi-stopIcelandair
11h 30mBRU-IAD
$980
6/3Mon
multi-stop
18h 25mIAD-CRL
6/13Thu
multi-stop
28h 40mCRL-IAD
$1,158
6/3Mon
multi-stop
15h 50mIAD-BRU
6/13Thu
multi-stop
16h 45mBRU-IAD
$1,166
6/3Mon
nonstopUnited Airlines
7h 30mIAD-BRU
6/13Thu
multi-stopUnited Airlines
11h 30mBRU-IAD
$1,615
6/1Sat
multi-stopITA Airways
21h 05mIAD-BRU
1/3Fri
multi-stopITA Airways
26h 10mBRU-IAD
$1,797
6/3Mon
nonstopBrussels Airlines
7h 50mIAD-BRU
6/13Thu
nonstopBrussels Airlines
8h 45mBRU-IAD
$1,826
6/1Sat
multi-stopITA Airways
21h 05mIAD-BRU
1/3Fri
multi-stopITA Airways
29h 00mBRU-IAD
$1,909

Search by stops

Search by airline

Search by price

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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