BRU - IAD

€414 Find Cheap Flights from Brussels to Washington, D.C. – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€552
Typical prices: €607-€822
Scandinavian Airlines
Wed 10/1Tue 23/1
BRU - IAD • 2 stops
Cheapest direct flights
€711
Typical prices: €642-€838
United Airlines
Tue 20/11Tue 4/12
BRU - IAD • Direct
Direct flights
You can fly direct with United Airlines. Average duration is 8h 35m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 86% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 25 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 15% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg €506 (return)
Shortest trip • 11h (one-way)
Insights
Insights
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We hope you enjoy your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Brussels to Dulles Intl (BRU-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Bruxelles-National to Dulles Intl

Sun, 10 Jan - Sat, 23 Jan
Scandinavian Airlines Logo
19:20 - 17:15BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
27h 55m2 stops Oslo Gardermoen Kastrup Copenhagen
Scandinavian Airlines Logo
20:30 - 18:40IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
16h 10m2 stops Kastrup Copenhagen Oslo Gardermoen
€552Scandinavian Airlines
3+ days ago
Tue, 2 Mar - Wed, 10 Mar
Scandinavian Airlines Logo
20:30 - 17:15BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
26h 45m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
20:30 - 18:35IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
16h 05m1 stop Kastrup Copenhagen
€555Scandinavian Airlines
2 days ago
Thu, 8 Apr - Fri, 16 Apr
Scandinavian Airlines Logo
10:20 - 16:50BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
20:20 - 12:00IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
33h 40m2 stops Kastrup Copenhagen Oslo Gardermoen
€556Scandinavian Airlines
3+ days ago
Mon, 1 Mar - Wed, 10 Mar
Scandinavian Airlines Logo
19:20 - 17:15BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
51h 55m2 stops Stockholm Arlanda Kastrup Copenhagen
Scandinavian Airlines Logo
20:30 - 14:30IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
12h 00m1 stop Kastrup Copenhagen
€561Scandinavian Airlines
2 days ago
Wed, 18 Nov - Sun, 29 Nov
ITA Airways Logo
18:55 - 14:30BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
25h 35m1 stop Rome Fiumicino
ITA Airways Logo
16:30 - 10:45IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
12h 15m1 stop Rome Fiumicino
€564ITA Airways
1 day ago
Mon, 9 Nov - Sun, 15 Nov
ITA Airways Logo
18:55 - 14:30BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
25h 35m1 stop Rome Fiumicino
ITA Airways Logo
16:30 - 10:45IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
12h 15m1 stop Rome Fiumicino
€567ITA Airways
2 days ago
Wed, 25 Nov - Sun, 6 Dec
ITA Airways Logo
18:55 - 14:30BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
25h 35m1 stop Rome Fiumicino
ITA Airways Logo
16:30 - 10:45IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
12h 15m1 stop Rome Fiumicino
€568ITA Airways
3+ days ago
Sun, 22 Nov - Wed, 2 Dec
Scandinavian Airlines Logo
19:45 - 17:15BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
27h 30m2 stops Stockholm Arlanda Kastrup Copenhagen
Scandinavian Airlines Logo
20:30 - 19:50IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
17h 20m1 stop Kastrup Copenhagen
€568Scandinavian Airlines
20 hours ago
Mon, 1 Mar - Sun, 14 Mar
ITA Airways Logo
18:55 - 14:40BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
25h 45m1 stop Rome Fiumicino
ITA Airways Logo
17:45 - 18:00IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
19h 15m1 stop Rome Fiumicino
€569ITA Airways
2 days ago
Fri, 22 Jan - Sat, 30 Jan
Scandinavian Airlines Logo
19:20 - 18:50BRU  Brussels Bruxelles-National-IAD Washington, D.C. Dulles Intl
29h 30m2 stops Stockholm Arlanda Kastrup Copenhagen
Scandinavian Airlines Logo
20:30 - 14:30IAD  Washington, D.C. Dulles Intl-BRU Brussels Bruxelles-National
12h 00m1 stop Kastrup Copenhagen
€570Scandinavian Airlines
2 days ago
Booking Insights

Price, demand, and travel trends for Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

Return flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport typically range from €607 to €822. The lowest price found in the past 5 days was €552 on Scandinavian Airlines.

What's the cheapest day of the week to fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport. It's 4% cheaper than the average day, while Sunday is the most expensive, with prices 5% higher.

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

•February is the cheapest month to fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport at €595 return.
•August (€772) and December (€743) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 29% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport are cheapest 25 weeks before departure. Booking in this window typically costs about 29% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights

Low season

February

Cheapest flight

€414
Beat the crowds with an average 28% drop in travellers.
The most popular month to fly with an average 52% increase in travellers.
One-way flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

When to book flights from Bruxelles-National to Dulles Intl

Are your dates flexible? Find out the best times to travel from Bruxelles-National to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    These are the earliest and latest flight times available from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport:

    • Earliest: departs at 11:55 and lands at 20:30
    • Latest: departs at 11:55 and lands at 20:30.

    The flight takes about 8h 35m.

  • Which cabin classes can I book on flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Only Economy class is available on flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport.

  • How long is a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    A direct flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport takes 8h 35m, covering 10,045 km.

  • Do I need a passport to fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight?

    Return flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport range from €607 to €822, with an average of €700 over the past 12 months. Anything below €607 counts as a good deal.

  • How expensive are last-minute Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 18% above the €700 route average. Book 25 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average €506 return via Kastrup Copenhagen (CPH), compared with €722 for direct.

  • What is the standard checked bag allowance on flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €58–€90 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    The Boeing 777-300ER family is used most often on this route, operated mainly by Lufthansa and Brussels Airlines. Other aircraft seen on the route include Airbus A330-300 variants.

  • How are flight departures from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport spread across the day?

    Morning is the busiest departure period on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights, with 100% leaving in that window. Afternoon departures account for 0%, Evening flights for 0%, and Night flights for 0%.

  • How are flight prices from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about €565, which is 15% below the typical average for this route.

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around €62 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport usually depart from Brussels Bruxelles-National (BRU) and arrive at Washington, D.C. Dulles Intl (IAD).

  • What time of day has the fewest delays on flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Afternoon flights have the fewest delays on this route, while morning departures tend to have the most.

  • At what point is a flight considered delayed from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport route, 19% of flights were delayed in the past three months, with delays averaging 2h 12m.

  • Which airports do connecting flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Dublin (DUB) – 37% of one-stop connections
    • Lisbon Humberto Delgado (LIS) – 16% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) – 12% of one-stop connections
    • Rome Fiumicino (FCO) – 11% of one-stop connections

  • Can I save money by using flexible dates for flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 9% on flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport. Wednesday is the cheapest departure day at €676 return on average, while Sunday is the most expensive at €738, a difference of €62.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Only United Airlines operates flights between Brussels Bruxelles-National Airport and Washington, D.C. Dulles Intl Airport.

  • How much time can I save by choosing a different stopover airport from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Flying via London Heathrow (LHR) gives the shortest average 1-stop total travel time of 11h, compared to 11h 04m via Dublin (DUB) and 11h 10m via Amsterdam Schiphol (AMS).

  • What is the time difference between Brussels Bruxelles-National Airport and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 5 hours behind Brussels Bruxelles-National Airport (Eastern Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Walter E. Washington Convention Center is one of the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights?

    Among airlines operating Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights:

    • United Airlines: offers free seat selection
    • Brussels Airlines: offers extra legroom; offers free seat selection
    • Lufthansa: offers extra legroom

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy class
    • Brussels Airlines: a cabin bag and a checked bag in Economy class
    • Lufthansa: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average €676, about €62 less than Sunday fares (8% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 29% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport trip for February. Fares historically average €595 return in that month – typically €177 less than the most expensive month, which is August (based on the last 12 months).
  • For the best chance of arriving on time, fly with United Airlines. Over the past three months, 86% of United Airlines flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport arrived on time, slightly above the route average of 81%. When flights on this route arrive late, they're delayed by an average of 2h 12m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Kastrup Copenhagen Airport (CPH) can be cheaper than flying direct. The cheapest stopover option averages €506 return on this route – about €216 less than direct flights (based on the last 12 months).

Prefer to fly direct from Brussels Bruxelles-National to Washington, D.C. Dulles Intl?

 
Find which airlines fly direct from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Brussels Bruxelles-National to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Brussels Bruxelles-National

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Bruxelles-National to Dulles Intl