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Cheap Flights from Washington D.C. (IAD) to Brussels (BRUS)

Compare Washington Dulles to Brussels flight deals

Find the cheapest month or even day of the year to fly to Brussels

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Flight deals from Washington Dulles to Brussels

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Brussels? If you want to travel next month, return fares start from $1,377. Find the lowest prices on one-way and return tickets right here.
Brussels.$875 per passenger.Departing Sat, 13 Feb, returning Sat, 27 Feb.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 13 Feb, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Sat, 27 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $875, select.
Brussels.$875 per passenger.Departing Sat, 9 Jan, returning Sat, 23 Jan.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 9 Jan, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Sat, 23 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $875, select.
Brussels.$876 per passenger.Departing Sat, 30 Jan, returning Sat, 13 Feb.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 30 Jan, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Sat, 13 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $876, select.
Brussels.$878 per passenger.Departing Thu, 12 Nov, returning Tue, 17 Nov.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 12 Nov, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Tue, 17 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $878, select.
Brussels.$902 per passenger.Departing Tue, 6 Apr, returning Tue, 20 Apr.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Tue, 6 Apr, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Tue, 20 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $902, select.
Brussels.$911 per passenger.Departing Mon, 21 Sep, returning Thu, 1 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Mon, 21 Sep, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Thu, 1 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $911, select.
Brussels.$913 per passenger.Departing Fri, 11 Sep, returning Thu, 17 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Fri, 11 Sep, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Thu, 17 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $913, select.
Brussels.$921 per passenger.Departing Sat, 27 Feb, returning Sat, 13 Mar.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 27 Feb, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Sat, 13 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $921, select.
Brussels.$957 per passenger.Departing Sat, 17 Oct, returning Fri, 23 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 17 Oct, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Fri, 23 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $957, select.
Brussels.$997 per passenger.Departing Fri, 28 Aug, returning Fri, 2 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Fri, 28 Aug, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Fri, 2 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $997, select.
Brussels.$999 per passenger.Departing Wed, 25 Nov, returning Tue, 8 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 25 Nov, arriving in Brussels International.Inbound indirect flight with Icelandair, departs from Brussels International on Tue, 8 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $999, select.
Brussels.$1,002 per passenger.Departing Wed, 9 Dec, returning Thu, 24 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 9 Dec, arriving in Brussels International.Inbound indirect flight with Icelandair, departs from Brussels International on Thu, 24 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $1,002, select.
Brussels.$1,004 per passenger.Departing Tue, 4 May, returning Tue, 18 May.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Tue, 4 May, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Tue, 18 May, arriving in Washington Dulles.Price includes taxes and charges.From $1,004, select.
Brussels.$1,023 per passenger.Departing Tue, 20 Apr, returning Tue, 4 May.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Tue, 20 Apr, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Tue, 4 May, arriving in Washington Dulles.Price includes taxes and charges.From $1,023, select.
Brussels.$1,051 per passenger.Departing Wed, 5 Aug, returning Sun, 30 Aug.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 5 Aug, arriving in Brussels International.Inbound indirect flight with Icelandair, departs from Brussels International on Sun, 30 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $1,051, select.
Brussels.$1,062 per passenger.Departing Thu, 27 Aug, returning Tue, 1 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 27 Aug, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Tue, 1 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,062, select.

Find the cheapest month to fly from Washington Dulles to Brussels

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Brussels flights are currently cheapest in January.
Jun
from $1,889
Jul
from $1,377
Aug
from $1,051
Sep
from $913
Oct
from $957
Nov
from $878
Dec
from $1,002
Jan
from $875
Feb
from $875
Mar
from $1,084
Apr
from $902
May
from $1,004

Direct flights from Washington Dulles to Brussels

Alternative Washington Dulles to Brussels routes

Looking for the cheapest, fastest or easiest route from Washington Dulles to Brussels? You could fly into the following airports instead.

Brussels International

11km from central Brussels
ClosestCheapest
from $875
Search flights

Antwerp Deurne

39km from central Brussels
from $2,135
Search flights

Brussels S. Charleroi

44km from central Brussels
from $1,089
Search flights

Liege

80km from central Brussels
Search flights

Kortrijk

81km from central Brussels
Search flights

Washington D.C. to Brussels: Flight information

The things to know before you go.
Cheapest flight found$875
Cheapest month to flyJanuary
Average flight time7 hrs, 37 mins
Most popular airlineLufthansa
Average flights per week171

Finding cheap flights from Washington Dulles to Brussels: Frequently asked questions

There are 5 airports in Brussels: Brussels International, Antwerp Deurne, Brussels S. Charleroi, Liege, and Kortrijk.
The best price we found for a return flight from Washington Dulles to Brussels is $875. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 37 minutes is the average flight time from Washington Dulles to Brussels.
Lufthansa, Brussels Airlines and United fly direct from Washington Dulles to Brussels.
As of June 2026, there are 171 flights per week flying from Washington Dulles to Brussels.
The cheapest month to fly from Washington Dulles to Brussels is usually January.
If you're flying from Washington Dulles Airport, the cheapest airport near Brussels is Brussels International – which is 11.0 km away from the centre of Brussels. We've found flights into this airport from $875.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Brussels on Saturday, 9 January 2027.
Yes – the average flight time is 7 hours and 37 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Brussels but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Brussels is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 15°C. July is typically the warmest month in Brussels, when it usually averages around 22°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging -0°C. The rainiest month is December.
Currently, Scandinavian Airlines and Brussels Airlines offer the cheapest flight tickets to Brussels.

Flying from Washington Dulles International Airport (IAD) to Brussels: what you need to know

  • Around 8 hours 30 minutes is how long you can expect to be travelling on a direct flight from Washington Dulles International Airport to Brussels.

  • The timezone in Brussels is UTC+1. The city is six hours ahead of Washington DC, where Washington Dulles International Airport is located.

  • Washington Dulles International Airport (IAD) to Brussels Airport (BRU) is the most popular route, with nine departures a week to choose from. You can fly from IAD to BRU at 17:35 with Brussels Airlines.

  • Leave enough time to get on your IAD to Brussels flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience bigger queues in popular months such as June. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • Direct Washington Dulles International Airport to Brussels tickets are available for booking. Brussels Airport (BRU) is where you'll complete your journey.

  • United Airlines is a well-known carrier that operates direct flights from Washington Dulles International Airport to Brussels.

  • A stopover is the perfect opportunity to break up your journey and perhaps even visit a new city. When searching for plane tickets from IAD to Brussels, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Toronto Pearson International Airport (YYZ)

  • Located around 40 kilometres from central Washington DC, IAD can be reached in about 45 minutes by car. The journey on public transport takes roughly 1 hour 10 minutes.

  • Looking for a hotel close to IAD? If you're catching an early flight from Washington Dulles International Airport to Brussels, these accommodation options put the terminal practically at your doorstep:

  • When it comes to Washington Dulles International Airport's on-time performance, data shows 77% of flights arrive within the expected time frame.

  • IAD is located at 1 Saarinen Circle.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Brussels

  • $498 is the lowest price we've found for a one-way Washington Dulles International Airport to Brussels flight. A return plane ticket right now is $875. Depending on how early you book and the availability, these fares may change.

  • Get cheap flights from IAD to Brussels by booking three months ahead. According to our research, that's the best time for finding the biggest deals.

  • The best month for scoring cheap Washington Dulles International Airport to Brussels tickets is August. Use the 'Whole month' tool to compare flight prices, then choose the dates with the lowest fares.

  • You don't need to check in daily to see if fares have dropped when you set up a Price Alert. We'll notify you when there's an updated deal for cheap flights from IAD to Brussels.

  • Tailor your flights with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Washington Dulles International Airport to Brussels.

Airports in Brussels

Brussels Airport (BRU)

  • Brussels Airport (BRU) to the centre of Brussels takes around 25 minutes by car. The centre is roughly 13 kilometres away.

  • When travelling on public transport, expect a journey time of about 20 minutes.

  • If you have a late flight from Washington Dulles International Airport to Brussels, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near BRU:

  • Lock in the lowest price by reserving your vehicle from Brussels Airport around three weeks ahead of your flight from IAD to Brussels.

Brussels South Charleroi Airport (CRL)

  • After your flight from Washington Dulles International Airport to Brussels has arrived, you can make your way to the city centre in around 55 minutes by car. Central Brussels is roughly 56 kilometres from Brussels South Charleroi Airport (CRL).

  • Public transport will get you there in around 1 hour 15 minutes.

  • Hang up the 'Do not disturb' sign and rest at a hotel near CRL. Here are a few options where you can put your feet up after your IAD to Brussels flight:

  • Secure your first choice, not your last resort. Securing your ride from CRL two weeks ahead of time often means better prices and a wider choice of vehicles.

Best time to go to Brussels

  • December is the quietest month for flights from Washington Dulles International Airport to Brussels, while September is the busiest. Pick the best time to go to Brussels based on whether you like a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Washington Dulles International Airport to Brussels plane ticket, think about the weather you're most comfortable in. August is the warmest month in Brussels, with temperatures ranging from 12ºC (54ºF) to 27ºC (81ºF).

  • January sees average temperatures of between -2ºC (28ºF) and 8ºC (46ºF). Look for a cheap ticket from IAD to Brussels around that time if you'd rather travel in cooler conditions.

More about Brussels

  • Start your Brussels trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Washington Dulles International Airport to Brussels, explore our selection of hotels including:

  • Atomium and Grand Place are a couple of top-rated attractions to add to your Brussels to-do list. Keep the momentum going by heading to Royal Palace of Brussels.

Explore more of Belgium

  • You've done Brussels, now it's time to discover other parts of Belgium. Travel about 113 kilometres west to Ostend to tick off its top sights. From Church of Saint Peter and Saint Paul to The Crystal Ship and Mu.ZEE, you'll have a packed itinerary ahead.

  • If there's time to check out another corner of Belgium, consider Verviers, about 113 kilometres east of Brussels. Hôtel communal ou Ancienne Halle - Monument classé, Musée d'Archéologie et du Folklore and Musée des Beaux Arts et de la Ceramique are key reasons to visit.

Plan the rest of your trip from Washington D.C. to Brussels

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.