$411 Cheap Flights from Washington (IAD) to Brussels (BRU)

View $411 flight on Tue, Jul 7, 2026Opens in a new window

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

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Cheap Flights from Washington to Brussels (IAD-BRU)

Prices were available within the past 7 days and start at $411 for one-way flights and $497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, Apr 18 - Mon, Apr 27
IAD
Washington
BRU
Brussels
$497 Roundtrip, found 1 day ago
$497
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sat, Apr 18 from Washington to Brussels, returning Mon, Apr 27, priced at $497 found 1 day ago
Scandinavian Airlines
Sat, Oct 3 - Tue, Oct 6
IAD
Washington
BRU
Brussels
$497 Roundtrip, found 5 days ago
$497
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Sat, Oct 3 from Washington to Brussels, returning Tue, Oct 6, priced at $497 found 5 days ago
Aer Lingus
Wed, Aug 5 - Wed, Aug 19
IAD
Washington
BRU
Brussels
$579 Roundtrip, found 1 hour ago
$579
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Wed, Aug 5 from Washington to Brussels, returning Wed, Aug 19, priced at $579 found 1 hour ago
TAP Portugal
Mon, Apr 27 - Mon, May 11
IAD
Washington
BRU
Brussels
$653 Roundtrip, just found
$653
Roundtrip
just found
Select TAP Portugal flight, departing Mon, Apr 27 from Washington to Brussels, returning Mon, May 11, priced at $653 just found
Royal Air Maroc
Mon, Apr 13 - Mon, Apr 20
IAD
Washington
BRU
Brussels
$674 Roundtrip, found 6 hours ago
$674
Roundtrip
found 6 hours ago
Select Royal Air Maroc flight, departing Mon, Apr 13 from Washington to Brussels, returning Mon, Apr 20, priced at $674 found 6 hours ago
Turkish Airlines
Tue, Sep 1 - Tue, Sep 22
IAD
Washington
BRU
Brussels
$676 Roundtrip, found 5 hours ago
$676
Roundtrip
found 5 hours ago
Select Turkish Airlines flight, departing Tue, Sep 1 from Washington to Brussels, returning Tue, Sep 22, priced at $676 found 5 hours ago
Icelandair
Wed, Apr 15 - Thu, Apr 30
IAD
Washington
BRU
Brussels
$707 Roundtrip, found 2 hours ago
$707
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Wed, Apr 15 from Washington to Brussels, returning Thu, Apr 30, priced at $707 found 2 hours ago
Lufthansa
Mon, May 11 - Mon, May 25
IAD
Washington
BRU
Brussels
$727 Roundtrip, found 1 day ago
$727
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, May 11 from Washington to Brussels, returning Mon, May 25, priced at $727 found 1 day ago
Swiss International Air Lines
Wed, May 6 - Wed, May 13
IAD
Washington
BRU
Brussels
$801 Roundtrip, found 1 day ago
$801
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, May 6 from Washington to Brussels, returning Wed, May 13, priced at $801 found 1 day ago
Iberia
Wed, Apr 29 - Wed, May 6
IAD
Washington
BRU
Brussels
$802 Roundtrip, found 19 hours ago
$802
Roundtrip
found 19 hours ago
Select Iberia flight, departing Wed, Apr 29 from Washington to Brussels, returning Wed, May 6, priced at $802 found 19 hours ago

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Alternative airports near Brussels

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Brussels - National BRU. Cheapest and Closest option available. Average driving time to city center is 15 minutes. Flights from $1,185
BRU
Brussels - National
CheapestClosest
Average driving time to city center15 min
Flights from $1,185

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) cost?
You can find cheap one-way flights from $411 and cheap return flights from $497 Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) with Expedia. One-way flights generally range between $590 and $7145, and roundtrip flights usually range from $831 to $5823. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
The cheapest month to fly from IAD to BRU is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
Choose from 2 airlines operating direct flights from IAD to BRU:

  • United operates around 7 direct flights from IAD to BRU every week
  • Brussels Airlines operates around 7 direct flights from IAD to BRU every week

What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
United is one of the cheapest airlines offering nonstop flights from Washington Dulles Intl. (IAD) to Brussels - National (BRU), with round-trip tickets starting from around $672. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National), 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 Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
The best airline to fly with from Washington, DC (IAD) to Brussels (BRU) will differ from traveler to traveler. If you like to fly early, Brussels Airlines offers early morning flights. If price is the most important factor, Brussels Airlines typically offers the lowest fares. United offers the most daily flights from IAD to BRU, 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 Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
There are approximately 1 nonstop flights per day from Washington Dulles Intl. (IAD) to Brussels - National (BRU). For more options, look at flights that include layovers.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
The earliest flight from Washington Dulles International Airport (IAD) to Brussels - National Airport (BRU) typically departs at around 6:00 AM. This seasonal service operates in April and May, allowing you to maximize your time in Brussels. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
The most popular departure times for flights from Washington, DC (IAD) to Brussels (BRU) are in the late afternoon to early evening, from 3pm to 6pm. About 46% of passengers prefer this time window. Many major carriers, including United Airlines and Brussels Airlines, offer flights during this window. This timing is popular because it allows travelers to spend the day in Washington before heading to Brussels.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
Flying nonstop from IAD to BRU takes around 7 hours 30 minutes, with the route covering approximately 3,881 miles. Flights with a layover typically take 6 hours longer than direct options. 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 Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
Business class seats are offered on the IAD to BRU route. Airlines that offer business class service on this route include:

  • Iberia
  • Lufthansa
  • Turkish Airlines
  • British Airways
  • United Airlines
  • Brussels Airlines
  • SAS
  • TAP Portugal
  • Icelandair
  • KLM

First class is available with Lufthansa and Swiss International Air Lines.
How much is a business class flight from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
A direct, return business class ticket from Washington, DC (IAD) to Brussels (BRU) typically costs between $6,912 - $7,762 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) 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 Brussels from Washington Dulles Intl. (IAD)?
If you're planning to travel to Brussels from Washington Dulles Intl. (IAD), you can fly into Brussels - National (BRU) Some flights may connect through major hubs like Pearson Intl. (YYZ), Charlotte-Douglas Intl. (CLT), Detroit Metropolitan Wayne County (DTW) before reaching Brussels. 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 Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) 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 Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) Brussels Vacation Packages 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 Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Brussels (BRU-Brussels - National) 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
Washington Dulles Intl.
Destination airport
Brussels - National
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Ethiopian Airlines, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$496
Distance
3880 mi
Average flight time
6 hours 30 mins

Book with confidence

Washington to Brussels Flights

The cheapest times to fly from Washington to Brussels

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 Washington to Brussels are during the month of April. You can find some of the cheapest flights from Washington to Brussels with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Brussels

Sunday is one of the best days to book for cheap flights from Washington to Brussels: 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 Washington to Brussels

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 Washington to Brussels in 2026. You can also book with separate airlines for your outbound and return journeys, from $411 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 Washington to Brussels 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 Washington to Brussels 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.

 

Washington to Brussels Flights

*Flight schedules are subject to change.

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*Available to One Key members.