$374 Cheap Flights from Brussels (BRU) to Washington (IAD)

View $374 flight on Wed, May 21, 2025Opens in a new window
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Cheap Flights from Brussels to Washington (BRU-IAD)

Prices were available within the past 7 days and start at $374 for one-way flights and $485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Tue, Aug 26 - Tue, Sep 9
BRU
Brussels
IAD
Washington
$485 Roundtrip, found 18 hours ago
$485
Roundtrip
found 18 hours ago
Select Scandinavian Airlines flight, departing Tue, Aug 26 from Brussels to Washington, returning Tue, Sep 9, priced at $485 found 18 hours ago
Aer Lingus
Fri, May 9 - Tue, May 13
BRU
Brussels
IAD
Washington
$500 Roundtrip, found 1 day ago
$500
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, May 9 from Brussels to Washington, returning Tue, May 13, priced at $500 found 1 day ago
Lufthansa
Sat, Aug 30 - Sat, Sep 6
BRU
Brussels
IAD
Washington
$501 Roundtrip, found 2 days ago
$501
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Brussels to Washington, returning Sat, Sep 6, priced at $501 found 2 days ago
Brussels Airlines
Sat, Sep 13 - Fri, Oct 10
BRU
Brussels
IAD
Washington
$501 Roundtrip, found 2 days ago
$501
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Sat, Sep 13 from Brussels to Washington, returning Fri, Oct 10, priced at $501 found 2 days ago
Icelandair
Wed, Oct 1 - Thu, Oct 23
BRU
Brussels
IAD
Washington
$509 Roundtrip, found 6 days ago
$509
Roundtrip
found 6 days ago
Select Icelandair flight, departing Wed, Oct 1 from Brussels to Washington, returning Thu, Oct 23, priced at $509 found 6 days ago
American Airlines
Sat, Sep 13 - Fri, Oct 10
BRU
Brussels
IAD
Washington
$509 Roundtrip, found 2 hours ago
$509
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Sep 13 from Brussels to Washington, returning Fri, Oct 10, priced at $509 found 2 hours ago
Swiss International Air Lines
Sat, Sep 13 - Fri, Oct 10
BRU
Brussels
IAD
Washington
$509 Roundtrip, found 2 hours ago
$509
Roundtrip
found 2 hours ago
Select Swiss International Air Lines flight, departing Sat, Sep 13 from Brussels to Washington, returning Fri, Oct 10, priced at $509 found 2 hours ago
TAP Portugal
Wed, Mar 4 - Thu, Mar 12
BRU
Brussels
IAD
Washington
$516 Roundtrip, found 2 days ago
$516
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Wed, Mar 4 from Brussels to Washington, returning Thu, Mar 12, priced at $516 found 2 days ago
Austrian Airlines
Sat, Sep 13 - Fri, Oct 10
BRU
Brussels
IAD
Washington
$520 Roundtrip, found 2 hours ago
$520
Roundtrip
found 2 hours ago
Select Austrian Airlines flight, departing Sat, Sep 13 from Brussels to Washington, returning Fri, Oct 10, priced at $520 found 2 hours ago
Iberia
Thu, Sep 25 - Wed, Oct 1
BRU
Brussels
IAD
Washington
$530 Roundtrip, found 3 days ago
$530
Roundtrip
found 3 days ago
Select Iberia flight, departing Thu, Sep 25 from Brussels to Washington, returning Wed, Oct 1, priced at $530 found 3 days ago
Flights from Brussels (BRU) to Washington (IAD)
Origin airport
Brussels - National
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$484
Distance
3880 mi

Brussels to Washington Flights

The cheapest times to fly from Brussels to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Brussels to Washington are during the month of August. You can find some of the cheapest flights from Brussels to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Brussels to Washington

Sunday is one of the best days to book for cheap flights from Brussels to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Brussels to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Brussels to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $374 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Brussels to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Brussels to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD) cost?
You’ll find cheap return fares from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD) starting at $500. Grab a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Brussels Airlines flight leaving BRU on May 19 2025 and touching down at IAD. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from BRU to IAD?
The cheapest flights from BRU to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
Fly directly from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD) on a United Airlines flight.
What is the cheapest airline that flies from BRU to IAD?
With prices as low as $1089 for a one-way journey from BRU to IAD, Lufthansa is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BRU on July 15 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
On average, only 1 direct flight departs each day from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD). Seeking more options? Use Expedia’s filter tool to find flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
The 11 AM departures from BRU to IAD are typically the busiest. They can also be more expensive. If you’re looking to save, choose a less crowded time to fly.
What day of the week has the most flights from BRU to IAD?
Jet off on a Friday if you’re after the biggest selection of flights from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
Brussels - National Airport (BRU)’s earliest flight to Washington Dulles Intl. Airport (IAD) leaves at approximately 11:55AM UTC+1. With a total travel time of 8h 40m, you’ll touch down at around 2:35PM UTC-5.
How long does it take to fly from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
The average flight duration from BRU to IAD is 8 hours and 40 minutes, covering a total distance of 3,900 mi.
What airline has the least delays from BRU to IAD?
With 98% of flights usually arriving on time, Lufthansa has the best on-time performance for direct flights from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD). To check your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Washington from Brussels - National Airport (BRU)?
If you’re taking a direct flight from Brussels - National Airport (BRU) to Washington, Washington Dulles Intl. Airport (IAD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from BRU to IAD shortly before your trip is usually more expensive. But if there’s some wiggle room with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a BRU to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a BRU to IAD flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
If you booked your BRU to IAD flight in 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 purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.