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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 to Brussels? Find the lowest prices on one-way and return tickets right here.
Brussels.$706 per passenger.Departing Thu, 8 Jan, returning Sun, 18 Jan.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 8 Jan, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Sun, 18 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $706, select.
Brussels.$706 per passenger.Departing Wed, 25 Feb, returning Wed, 11 Mar.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Wed, 25 Feb, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Wed, 11 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $706, select.
Brussels.$706 per passenger.Departing Wed, 3 Dec, returning Wed, 10 Dec.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Wed, 3 Dec, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Wed, 10 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $706, select.
Brussels.$708 per passenger.Departing Thu, 12 Feb, returning Thu, 19 Feb.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 12 Feb, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Thu, 19 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $708, select.
Brussels.$729 per passenger.Departing Thu, 23 Apr, returning Thu, 7 May.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 23 Apr, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Thu, 7 May, arriving in Washington Dulles.Price includes taxes and charges.From $729, select.
Brussels.$729 per passenger.Departing Mon, 13 Oct, returning Thu, 16 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Mon, 13 Oct, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Thu, 16 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $729, select.
Brussels.$730 per passenger.Departing Mon, 6 Oct, returning Sat, 1 Nov.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Mon, 6 Oct, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Sat, 1 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $730, select.
Brussels.$737 per passenger.Departing Thu, 13 Nov, returning Sun, 16 Nov.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 13 Nov, arriving in Brussels International.Inbound indirect flight with Scandinavian Airlines, departs from Brussels International on Sun, 16 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $737, 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 December.
Aug
from $1,060
Sep
from $749
Oct
from $726
Nov
from $734
Dec
from $703
Jan
from $703
Feb
from $706
Mar
from $869
Apr
from $857
May
Find prices
Jun
from $1,497
Jul
from $1,376

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.

Washington D.C. to Brussels: Flight information

The things to know before you go.
Cheapest flight found$703
Cheapest month to flyDecember
Average flight time7 hrs, 34 mins
Most popular airlineUnited
Average flights per week150

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 $706. 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 34 minutes is the average flight time from Washington Dulles to Brussels.
United, Brussels Airlines and SWISS fly direct from Washington Dulles to Brussels.
As of August 2025, there are 150 flights per week flying from Washington Dulles to Brussels.
The cheapest month to fly from Washington Dulles to Brussels is usually December.
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 $706.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Brussels on Wednesday, 3 December 2025.
Yes – the average flight time is 7 hours and 34 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 August, the average temperature is usually around 18°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 United offer the cheapest flight tickets to Brussels.

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

  • Approximately 8 hours 35 minutes is how long you can expect to be in the air on a direct flight from Washington Dulles International Airport to Brussels.

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

  • With nine flights a week between the two airports, Washington Dulles International Airport (IAD) to Brussels Airport (BRU) is the most popular route. Board Brussels Airlines's 17:35 flight to get your journey from IAD to BRU underway.

  • Give yourself plenty of time to make your IAD to Brussels flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Heading away during a peak period like school or public holidays? Expect longer queues at check-in and security. To be on the safe side, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Begin your trip at IAD and travel straight to Brussels Airport (BRU). That's where you can expect to land when searching for Washington Dulles International Airport to Brussels tickets.

  • Keep an eye out for offers from United Airlines. This carrier has direct flights from Washington Dulles International Airport to Brussels.

  • Think about adding a stopover to potentially score a cheaper flight ticket from IAD to Brussels. Simply uncheck 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these popular airports:

    • London Heathrow Airport (LHR)

    • Amsterdam Airport Schiphol (AMS)

    • Pearson International Airport (YYZ)

  • Located around 40 kilometres from central Washington DC, IAD can be reached in about 50 minutes by car, depending on traffic. Travelling on public transport will take roughly 1 hour 10 minutes.

  • Have an early flight from Washington Dulles International Airport to Brussels? Avoid rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to IAD:

  • When it comes to the on-time performance of Washington Dulles International Airport, 74.39% of flights arrive within the expected time frame.

  • The address for IAD is 1 Saarinen Circle.

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

  • $398 is the lowest price we've found for a one-way Washington Dulles International Airport to Brussels flight. A return ticket right now is $706. Depending on the availability when you book, these fares could change.

  • To score cheap flights from IAD to Brussels, book your journey four months before your departure.

  • The best month for picking up cheap Washington Dulles International Airport to Brussels tickets is August. Use the 'Whole month' tool to compare all available prices, then choose the dates that offer the biggest savings.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll update you as soon as there's an extra saving on cheap flights from IAD to Brussels.

  • Find an affordable flight from Washington Dulles International Airport to Brussels with the help of our filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Brussels

Brussels Airport (BRU)

  • Brussels Airport (BRU) to central Brussels takes about 20 minutes to reach by car. The centre is roughly 14 kilometres away.

  • Travelling on public transport takes around 40 minutes.

  • If you have a late flight from Washington Dulles International Airport to Brussels, nothing beats the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting not long after at one of these hotels near BRU:

  • Go where the road takes you with a Brussels Airport rental car. Pick up a set of wheels from Keddy By Europcar, Alamo or Europcar and chase adventure across Brussels and beyond.

  • Reserving your ride from Brussels Airport around three weeks ahead of your flight from IAD to Brussels can help you lock in the best possible rate.

Brussels S. Charleroi Airport (CRL)

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

  • If you choose to travel on public transport, you'll reach the centre in 1 hour 35 minutes or so.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel near CRL. Here are a few options where you can tuck yourself in after your IAD to Brussels flight:

  • The fastest way to get to where you're going is with a Brussels S. Charleroi Airport rental car. Collect your wheels from Keddy By Europcar, Thrifty or Budget and set off in the blink of an eye.

  • Avoid last-minute price surges. Securing your ride two weeks ahead of your arrival at CRL will help you stay within budget.

Best time to go to Brussels

  • Before securing your flights from Washington Dulles International Airport to Brussels, consider which time of year is best for you. Peak season in Brussels offers a lively atmosphere and plenty to do, while the low season brings better hotel deals and fewer crowds.

  • The warmest month in Brussels is August, with temperatures ranging between 12ºC (54ºF) and 27ºC (81ºF). Lock in your Washington Dulles International Airport to Brussels flight ticket then if that's the weather you find most pleasant.

  • Search for cheap tickets from IAD to Brussels in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -2ºC (28ºF) and 8ºC (46ºF) on average.

More about Brussels

  • Once you've booked your flight from Washington Dulles International Airport to Brussels, choose a hotel that puts you right where the action is. Make one of these accommodation options your base for exploring Brussels:

  • Every great journey has to include a little sightseeing. Atomium, Grand Place and Manneken Pis are essential stops on your Brussels itinerary.

Explore more of Belgium

  • Ostend is just one of the many places in Belgium waiting to be explored once you've seen the sights of Brussels. Around 113 kilometres away to the west, its top attractions include Fort Napoleon, The Crystal Ship and Leopoldpark.

  • Around 113 kilometres east of Brussels, Verviers is another favourite stop in Belgium. Start your sightseeing at Quai Pierre Rapsat, Parc de Séroule and Parc de la Tourelle.

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 45 days.