$313 Cheap Flights from Washington (IAD) to Brussels (BRU)

View $313 flight on Wed, Aug 13, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Brussels (IAD-BRU)

Prices were available within the past 7 days and start at $313 for one-way flights and $408 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Wed, Nov 5 - Wed, Nov 19
IAD
Washington
BRU
Brussels
$408 Roundtrip, found 1 hour ago
$408
Roundtrip
found 1 hour ago
Select Scandinavian Airlines flight, departing Wed, Nov 5 from Washington to Brussels, returning Wed, Nov 19, priced at $408 found 1 hour ago
Aer Lingus
Tue, Sep 16 - Fri, Sep 26
IAD
Washington
BRU
Brussels
$562 Roundtrip, found 2 days ago
$562
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Tue, Sep 16 from Washington to Brussels, returning Fri, Sep 26, priced at $562 found 2 days ago
Iberia
Mon, Sep 22 - Thu, Oct 2
IAD
Washington
BRU
Brussels
$580 Roundtrip, found 3 days ago
$580
Roundtrip
found 3 days ago
Select Iberia flight, departing Mon, Sep 22 from Washington to Brussels, returning Thu, Oct 2, priced at $580 found 3 days ago
TAP Portugal
Sun, Sep 28 - Mon, Oct 6
IAD
Washington
BRU
Brussels
$599 Roundtrip, just found
$599
Roundtrip
just found
Select TAP Portugal flight, departing Sun, Sep 28 from Washington to Brussels, returning Mon, Oct 6, priced at $599 just found
Icelandair
Sat, Nov 15 - Sun, Nov 23
IAD
Washington
BRU
Brussels
$674 Roundtrip, found 8 hours ago
$674
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Sat, Nov 15 from Washington to Brussels, returning Sun, Nov 23, priced at $674 found 8 hours ago
Turkish Airlines
Wed, Nov 5 - Wed, Nov 19
IAD
Washington
BRU
Brussels
$710 Roundtrip, found 1 hour ago
$710
Roundtrip
found 1 hour ago
Select Turkish Airlines flight, departing Wed, Nov 5 from Washington to Brussels, returning Wed, Nov 19, priced at $710 found 1 hour ago
Royal Air Maroc
Mon, Sep 22 - Thu, Oct 2
IAD
Washington
BRU
Brussels
$733 Roundtrip, found 3 days ago
$733
Roundtrip
found 3 days ago
Select Royal Air Maroc flight, departing Mon, Sep 22 from Washington to Brussels, returning Thu, Oct 2, priced at $733 found 3 days ago
United
Wed, Nov 19 - Fri, Nov 28
IAD
Washington
BRU
Brussels
$749 Roundtrip, found 3 days ago
$749
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 19 from Washington to Brussels, returning Fri, Nov 28, priced at $749 found 3 days ago
United
Wed, Nov 19 - Fri, Nov 28
IAD
Washington
BRU
Brussels
$749 Roundtrip, found 3 days ago
$749
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 19 from Washington to Brussels, returning Fri, Nov 28, priced at $749 found 3 days ago
Air Canada
Wed, Nov 19 - Fri, Nov 28
IAD
Washington
BRU
Brussels
$749 Roundtrip, found 3 days ago
$749
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Nov 19 from Washington to Brussels, returning Fri, Nov 28, priced at $749 found 3 days ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU) cost?
Cheap round-trip flights from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU) start at $899. 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 IAD on May 19 2025 and touching down at BRU. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from IAD to BRU?
The cheapest flights from IAD to BRU 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 Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU)?
You can fly straight from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU) on a United Airlines flight.
What is the cheapest airline that flies from IAD to BRU?
With tickets starting at $874 for a one-way journey from IAD to BRU, United is currently the cheapest airline 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 IAD on July 1 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU)?
On average, there is just 1 direct flight departing from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU) per day. If this isn’t convenient for you, check out flights with layovers. Simply filter your search on Expedia to include one stop or more to find a better alternative.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU)?
Flights between IAD and BRU are busiest at 5 PM. If you’d like a quieter trip and possibly cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from IAD to BRU?
Friday offers the most flights from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU). Consider taking off on this day and you’ll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU)?
The earliest flight taking off from Washington Dulles Intl. Airport (IAD) is at around 5:50PM UTC-5. Board this plane and you’ll touch down at Brussels - National Airport (BRU) at approximately 7:15AM UTC+1. The total flight duration is 7h 25m.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU)?
Flights from IAD to BRU have an average travel time of 7 hours and 25 minutes. The distance between the two airports is 3,900 mi.
What airline has the least delays from IAD to BRU?
Thai Airways International has the best performance for on-time direct flights from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU), with an on-time rating of 100%. Use the Expedia App to check your journey status before you take off and get immediate updates about any changes.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU)?
To arrive at Brussels - National Airport (BRU) on schedule, pick a flight that leaves from Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Brussels from Washington Dulles Intl. Airport (IAD)?
Brussels - National Airport (BRU) is the only airport in Brussels with direct flights from Washington Dulles Intl. Airport (IAD). Explore the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU) last-minute?
Last-minute fares from IAD to BRU are usually more expensive. To lock in the lowest rates, start looking for flights ahead of time. That being said, if you’re flexible with your travel dates, it’s possible to score a cheap fare right before your trip.
Is it cheaper to book an IAD to BRU flight and hotel package?
You’ll typically save money by booking an IAD to BRU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Brussels - National Airport (BRU)?
In most cases, you can reschedule or cancel your IAD to BRU flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you want more information, go to our Customer Service portal.
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