£344 Cheap Flights from Brussels (BRU) to Washington (IAD)

View £344 flight on Wed, 25 Nov 2026Opens in a new window

Popular airlines from Brussels Airport (BRU) to Washington Dulles International Airport (IAD)

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Cheap Flights from Brussels (BRU) to Washington (IAD)

Prices were available within the past 7 days and start at £344 for one-way flights and £471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, 28 Oct - Wed, 4 Nov
BRU
Brussels
IAD
Washington
£471 Return, found 3 days ago
£471
Return
found 3 days ago
Select Aer Lingus flight, departing Wed, 28 Oct from Brussels to Washington, returning Wed, 4 Nov, priced at £471 found 3 days ago
Aer Lingus
Fri, 18 Sept - Mon, 28 Sept
BRU
Brussels
IAD
Washington
£473 Return, found 5 days ago
£473
Return
found 5 days ago
Select Aer Lingus flight, departing Fri, 18 Sept from Brussels to Washington, returning Mon, 28 Sept, priced at £473 found 5 days ago
ITA Airways
Fri, 18 Sept - Mon, 28 Sept
BRU
Brussels
IAD
Washington
£492 Return, found 5 days ago
£492
Return
found 5 days ago
Select ITA Airways flight, departing Fri, 18 Sept from Brussels to Washington, returning Mon, 28 Sept, priced at £492 found 5 days ago
TAP Portugal
Fri, 22 Jan - Sun, 7 Feb
BRU
Brussels
IAD
Washington
£502 Return, found 3 days ago
£502
Return
found 3 days ago
Select TAP Portugal flight, departing Fri, 22 Jan from Brussels to Washington, returning Sun, 7 Feb, priced at £502 found 3 days ago
Icelandair
Mon, 12 Oct - Fri, 16 Oct
BRU
Brussels
IAD
Washington
£556 Return, found 3 days ago
£556
Return
found 3 days ago
Select Icelandair flight, departing Mon, 12 Oct from Brussels to Washington, returning Fri, 16 Oct, priced at £556 found 3 days ago
Lufthansa
Thu, 12 Nov - Thu, 19 Nov
BRU
Brussels
IAD
Washington
£566 Return, found 2 days ago
£566
Return
found 2 days ago
Select Lufthansa flight, departing Thu, 12 Nov from Brussels to Washington, returning Thu, 19 Nov, priced at £566 found 2 days ago
American Airlines
Fri, 18 Sept - Mon, 28 Sept
BRU
Brussels
IAD
Washington
£571 Return, found 5 days ago
£571
Return
found 5 days ago
Select American Airlines flight, departing Fri, 18 Sept from Brussels to Washington, returning Mon, 28 Sept, priced at £571 found 5 days ago
Lufthansa
Thu, 12 Nov - Thu, 19 Nov
BRU
Brussels
IAD
Washington
£571 Return, found 2 days ago
£571
Return
found 2 days ago
Select Lufthansa flight, departing Thu, 12 Nov from Brussels to Washington, returning Thu, 19 Nov, priced at £571 found 2 days ago
Brussels Airlines
Sun, 15 Nov - Sun, 22 Nov
BRU
Brussels
IAD
Washington
£571 Return, found 2 days ago
£571
Return
found 2 days ago
Select Brussels Airlines flight, departing Sun, 15 Nov from Brussels to Washington, returning Sun, 22 Nov, priced at £571 found 2 days ago
Swiss International Air Lines
Thu, 12 Nov - Thu, 19 Nov
BRU
Brussels
IAD
Washington
£572 Return, found 2 days ago
£572
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, 12 Nov from Brussels to Washington, returning Thu, 19 Nov, priced at £572 found 2 days ago

Frequently asked questions

What is the cheapest month to fly from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
March is typically the cheapest month to fly from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.), with average return fares of approximately £409. This is about 21% lower than the average price throughout the year. March often sees lower prices as it's before the peak summer travel season, when demand tends to increase. Other cheap months to fly from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) include May and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter BRU to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. SN offers the most daily flights from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
Based on booking data from the past year, the best time to find a good deal on a return flight from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) is typically in March or October. You can expect average prices around £409 during these months. These periods often offer a good balance of more affordable fares and pleasant travel conditions, allowing you to enjoy your trip without breaking the bank.*Prices based on flights available on Expedia in the last year.
How many flights per day from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 2 nonstop flights per day from Brussels - National (BRU) to Washington Dulles Intl. (IAD). For even more choice, look at flights that include layovers, as there are around 56 connecting flights per day. Some common connection points include (DUB), Adolfo Suarez Madrid-Barajas (MAD), and Heathrow (LHR).
What is the earliest flight from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) typically departs at approximately 5:40 AM local time. This service is seasonal, active only in May, and is operated by airlines such as 9B and FI. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
If you're flying from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.), you'll typically find the most flight options on a Thursday, with around 78 flights available. This gives you plenty of choices for your travel plans. Major airlines on this route include SN, KL, and UA. Looking at the overall week, flight schedules are fairly consistent, with Thursday offering slightly more flights than other days.
What are the most popular departure times for flights from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Brussels (BRU) to Washington, DC (IAD) are in the morning, between 9am and 12pm. About 46% of passengers prefer this time window. Many major carriers, including Brussels Airlines, United Airlines and British Airways, offer flights during this window. This timing works well because it allows you to start your travel day at a reasonable hour and arrive in Washington, DC with plenty of time to settle in.
How long does it take to fly from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
A nonstop flight from BRU to IAD typically takes around 8 hours 50 minutes, covering approximately 3,881 miles. Connecting flights on this route usually add 2 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
Select the "Business class" and "First class" filters when looking for BRU to IAD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Brussels - National (BRU)?
When traveling from Brussels - National (BRU) to Washington, you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD). Some flights may connect through major hubs like Heathrow (LHR), Adolfo Suarez Madrid-Barajas (MAD), Roissy-Charles de Gaulle (CDG) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Brussels (BRU-Brussels - National) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Brussels - National
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Austrian Airlines, British Airways, Brussels Airlines, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Return price
£470
Distance
6209 km
Average flight time
2 hours 32 mins

Book with confidence

Compare flights from Brussels to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Brussels to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Brussels - National to Washington Dulles Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Brussels - National (BRU) to Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from Brussels to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Brussels - National to Washington Dulles Intl. start at just £471 and range up to £572.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Brussels and Washington
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Brussels to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Brussels - National to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Brussels to Washington easily and book with confidence

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*Available to Expedia members.