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Everything you should know

Nonstop flights
Every day
You can fly direct with United Airlines and Brussels Airlines. Average duration is 8h 30m
Direct flights
+1
Direct flights
+1
Avoid delays
United Airlines
Most punctual • 86% on-time
Afternoon
Best time • Fewest delays
Insights
Insights
When to book
25 weeks
in advance
Our data shows that travelers who book at least 25 weeks in advance save around 25% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 15% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Kastrup Copenhagen (CPH)
Cheapest • Avg $566 (round-trip)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 10h 59m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Brussels to Washington, D.C.

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

Recent round-trip flight deals from Brussels to Washington, D.C.

Multiple Airlines Logo
BR1  Roanoke 8040 Plantation Rd-IAD Washington Dulles Airport
3874 mimulti-stop
Multiple Airlines Logo
IAD  Washington Dulles Airport-BR1 Roanoke 8040 Plantation Rd
3874 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand and travel trends for Brussels 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.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Brussels to Washington, D.C. Dulles Intl Airport. It’s 5% cheaper than the average day, while Sunday is the most expensive, with prices 7% higher.

What’s the cheapest month to fly from Brussels to Washington, D.C. Dulles Intl Airport?

•November is the cheapest month to fly from Brussels to Washington, D.C. Dulles Intl Airport at $638 round-trip.
•June ($813) and August ($794) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 27% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

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

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Expert advice

Expert advice for your flight from Brussels to Washington, D.C.

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Marisa Garcia

Marisa Garcia

Expert on Brussels Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more

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

Low season

February
Beat the crowds with an average 60% drop in travelers.
The most popular month to fly with an average 81% increase in travelers.

When to book flights from Brussels to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Brussels to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Brussels 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 to Washington, D.C. Dulles Intl Airport?

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

    • Earliest: departs at 10:45 am and lands at 7:15 pm
    • Latest: departs at 12:00 pm and lands at 8:30 pm.

    The flight takes about 8h 30m.

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

    Three cabin classes are available on flights from Brussels to Washington, D.C. Dulles Intl Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    A nonstop flight from Brussels to Washington, D.C. Dulles Intl Airport takes 8h 30m, covering 3,874 miles.

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

    Round-trip flights from Brussels to Washington, D.C. Dulles Intl Airport range from $637 to $879, with an average of $753 over the past 12 months. Anything below $637 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 15% above the $753 route average. Book 25 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Brussels to Washington, D.C. Dulles Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $566 round-trip via Kastrup Copenhagen (CPH), compared to $769 for nonstop.

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $64–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

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

    Morning is the busiest departure period on Brussels to Washington, D.C. Dulles Intl Airport flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

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

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

    Flights from Brussels to Washington, D.C. Dulles Intl Airport may depart from several airports in Brussels area, including Brussels Bruxelles-National (BRU) and Charleroi Brussels (CRL). Flights usually arrive at Washington, D.C. Dulles Intl (IAD).

  • What time of day has the fewest delays on flights from Brussels 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 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 to Washington, D.C. Dulles Intl Airport route, 19% of flights were delayed in the past 3 months, with delays averaging 2h 12m.

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

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

    • Dublin (DUB) - 36% of one-stop connections
    • Lisbon Humberto Delgado (LIS) - 13% of one-stop connections
    • Amsterdam Schiphol (AMS) - 13% of one-stop connections
    • Rome Fiumicino (FCO) - 13% of one-stop connections

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

    Yes. Flexible dates can save you up to 12% on flights from Brussels to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $717 round-trip on average, while Sunday is the most expensive at $810, a difference of $93.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Brussels to Washington, D.C. Dulles Intl Airport?

    2 airlines operate flights between Brussels and Washington, D.C. Dulles Intl Airport. The airlines offering nonstop flights on this route include:

    • United Airlines
    • Brussels Airlines

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

    Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 10h 59m, compared with 11h via Dublin (DUB) and 11h via London Heathrow (LHR).

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

    Washington, D.C. Dulles Intl Airport is 6 hours behind Brussels (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?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

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

    • Brussels Airlines: offers extra legroom; offers free seat selection
    • United Airlines: 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 to Washington, D.C. Dulles Intl Airport flights?

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

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

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

Your guide to booking Brussels 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 Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $717, about $93 less than Sunday fares (11% 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 25% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Brussels to Washington, D.C. Dulles Intl Airport trip for November. Fares historically average $638 round-trip in that month - typically $175 less than the most expensive month, which is June (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 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 layover option averages $566 round-trip on this route - about $203 less than direct flights (based on the last 12 months).

Prefer to fly direct from Brussels to Washington, D.C.?

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

Direct departures

Brussels to Washington, D.C. Dulles Intl

Monday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Thursday

United Airlines

United Airlines

Friday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Saturday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Sunday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Brussels

Monday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Thursday

United Airlines

United Airlines

Friday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Saturday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

Sunday

Brussels Airlines,United Airlines

Brussels Airlines,United Airlines

See more direct flights

More options for your flight from Brussels to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental

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