$381 Find Cheap Flights from Brussels to Washington, D.C. - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Brussels to Washington, D.C. departing on 9/22. 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.
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Everything you should know

Cheapest round-trip
$710
Typical prices: $739-$921
Icelandair
Tue 9/1Tue 9/15
BRU - IAD • 1 stop
Cheapest non-stop
$727
Typical prices: $750-$994
Lufthansa, Brussels Airlines
Thu 8/27Wed 9/9
BRU - IAD • Non-stop
Nonstop flights
You can fly direct with United Airlines and Brussels Airlines. Average duration is 8h 32m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 85% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 24% compared to booking last minute.
Insights
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We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Brussels to Washington, D.C.

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Brussels to Washington, D.C. 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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Brussels to Washington, D.C.

Tue, Sep 1 - Tue, Sep 15
Icelandair Logo
1:50 pm - 10:15 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
14h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 12:55 pmIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
10h 25m1 stop Reykjavik Keflavik Intl
$710Icelandair
Tue, Oct 27 - Wed, Nov 4
Scandinavian Airlines Logo
8:30 pm - 6:15 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
26h 45m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:30 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
31h 10m1 stop Kastrup Copenhagen
$715Scandinavian Airlines
Thu, Oct 29 - Wed, Nov 4
Scandinavian Airlines Logo
10:20 am - 6:15 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
12h 55m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:30 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
31h 10m1 stop Kastrup Copenhagen
$715Scandinavian Airlines
Sat, Nov 14 - Sat, Nov 28
Lufthansa Logo
9:30 am - 8:05 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
16h 35m1 stop Frankfurt am Main
Lufthansa Logo
5:45 pm - 7:15 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
7h 30mnonstop
$731Lufthansa
Sat, Aug 29 - Fri, Sep 11
Brussels Airlines Logo
10:45 am - 1:30 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
8h 45mnonstop
Brussels Airlines Logo
5:35 pm - 7:25 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
7h 50mnonstop
$738Brussels Airlines
Thu, Feb 11 - Thu, Feb 18
Lufthansa Logo
11:55 am - 2:30 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
8h 35mnonstop
Lufthansa Logo
5:45 pm - 7:15 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
7h 30mnonstop
$738Lufthansa
Mon, Sep 28 - Mon, Oct 5
Lufthansa Logo
2:25 pm - 8:00 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Frankfurt am Main
Lufthansa Logo
5:45 pm - 7:15 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
7h 30mnonstop
$747Lufthansa
Sat, Sep 12 - Sat, Sep 26
Brussels Airlines Logo
10:45 am - 1:30 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
8h 45mnonstop
Brussels Airlines Logo
5:45 pm - 7:15 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
7h 30mnonstop
$753Brussels Airlines
Wed, Oct 21 - Fri, Oct 30
United Airlines Logo
10:30 am - 8:00 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Frankfurt am Main
United Airlines Logo
6:45 pm - 7:15 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
7h 30mnonstop
$771United Airlines
Fri, Dec 18 - Fri, Jan 1
United Airlines Logo
2:25 pm - 8:05 pmBRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
11h 40m1 stop Frankfurt am Main
United Airlines Logo
3:30 pm - 8:55 amIAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
11h 25m1 stop Chicago O'Hare Intl
$771United Airlines
Booking Insights

KAYAK's insights & trends for Brussels to Washington, D.C. flights

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

How much is a round-trip flight from Brussels to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Brussels to Washington, D.C. Dulles Intl Airport departing in September.

Flight prices are below average for this route right now.

Flights to Washington, D.C. Dulles Intl Airport from Brussels usually cost between $760 and $1,027 in September.
The lowest price found in the past 5 days was $710 on Icelandair (Sep 1-Sep 15).

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

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Brussels to Washington, D.C. Dulles Intl Airport costs $748 on the route between Brussels Bruxelles-National Airport (BRU) and Washington, D.C. Dulles Intl Airport (IAD). It is also the most popular route.

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

The average price of all round-trip flights from Brussels to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Brussels to Washington, D.C., you should consider leaving on a Tuesday and avoid Thursdays if you are looking for the best rates. For your return to Brussels, you’ll find the best rates on Thursdays and the most expensive ones on Sundays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Brussels to Washington, D.C. Dulles Intl Airport, 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 Brussels to Washington, D.C. Dulles Intl Airport is February, where tickets cost $597 (return) on average. On the other hand, the most expensive months are August and May, where the average cost of round-trip tickets is $917 and $844 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Brussels to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Brussels to Washington, D.C. Dulles Intl Airport, you should book around 2 weeks before departure, which saves you about 24% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Expert advice

Expert advice for your flight from Brussels to Washington, D.C.

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Marisa Garcia

Marisa Garcia

Expert on Brussels Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Good to know

Cheapest flight

$381
Flight from Charleroi Brussels to Washington, D.C.

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

Are your dates flexible? Find out the best times to travel from Brussels to Washington, D.C. 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 Brussels to Washington, D.C. flights

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

    In the last 5 days, the lowest price for a flight from Brussels to Washington, D.C. Dulles Intl Airport was $330 for a one-way ticket and $710 for a round-trip.

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

    A passport is required to fly from Brussels to Washington, D.C..

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

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

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

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

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

    Star Alliance is the only airline alliance operating flights between Brussels and Washington, D.C..

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

    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 Brussels to Washington, D.C..

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Brussels 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 Brussels to Washington, D.C.?

    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 Washington, D.C. with an airline and back to Brussels with another airline.

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

    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 Washington, D.C. from Brussels up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Brussels to Washington, D.C.?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Brussels to Washington, D.C. Dulles Intl.
Find which airlines fly direct from Brussels to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Brussels to Washington, D.C. Dulles Intl

Monday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Thursday

United Airlines

United Airlines

Friday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Saturday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Sunday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Brussels

Monday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Thursday

United Airlines

United Airlines

Friday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Saturday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Sunday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

See more direct flights

Everything you need to know for your flight from Brussels to Washington, D.C.

Information on your arrival and departure airports