Cheap flights from Washington, D.C. Dulles Intl Airport to Brussels from $325
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Brussels departing on 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to Brussels.
Cheap last minute flights
Planning a quick getaway from Washington, D.C. Dulles Intl Airport to Brussels? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Brussels, so you can enjoy a seamless trip without layovers.
Brussels Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels
Our best Brussels Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets
Brussels Airlines![Brussels Airlines]()
Aug 18![Brussels Airlines]()
Aug 25
IAD5:35 pmWashington, D.C. Dulles Intl
7h 50m
BRU7:25 amBrussels Bruxelles-National
BRU10:45 amBrussels Bruxelles-National
8h 45m
IAD1:30 pmWashington, D.C. Dulles Intl
Brussels Airlines![Brussels Airlines]()
May 10![Brussels Airlines]()
May 17
IAD5:35 pmWashington, D.C. Dulles Intl
7h 50m
BRU7:25 amBrussels Bruxelles-National
BRU10:45 amBrussels Bruxelles-National
8h 45m
IAD1:30 pmWashington, D.C. Dulles Intl
United Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels
Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets
United Airlines![United Airlines]()
Sep 4![United Airlines]()
Dec 5
IAD1:15 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
BRU9:00 amBrussels Bruxelles-National
BRU11:55 amBrussels Bruxelles-National
8h 40m
IAD2:35 pmWashington, D.C. Dulles Intl
United Airlines![United Airlines]()
Oct 23![United Airlines]()
Nov 1
IAD5:45 pmWashington, D.C. Dulles Intl
7h 30m
BRU7:15 amBrussels Bruxelles-National
BRU10:00 amBrussels Bruxelles-National
14h 39m
1 stop
IAD7:39 pmWashington, D.C. Dulles Intl
See travel insights to Brussels from
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Prices
Airlines
Other information
What is the cheapest month to fly to Brussels?
In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $686. If you are unable to visit Brussels during the month of January, then departing from Washington, D.C. Dulles Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $753.
What is the cheapest day to depart on your flight to Brussels?
On average, the least expensive day to fly to Brussels from Washington, D.C. Dulles Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,161. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,418.
What is the cheapest time of day to depart on your flight to Brussels?
According to our data, the cheapest time of day to fly to Brussels is at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Brussels at noon for as low as $668. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,264.
What is the cheapest Washington, D.C. Dulles Intl to Brussels flight route?
Fly from Washington, D.C. Dulles Intl to Brussels Bruxelles-National for the best Washington, D.C. Dulles Intl - Brussels flight prices
How far in advance should I book a flight to Brussels?
You are more likely to see cheaper flights to Brussels from Washington, D.C. Dulles Intl Airport when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $897 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. Dulles Intl Airport for as low as $646 on momondo.
What cabin class options are available on Washington, D.C. Dulles Intl to Brussels flights?
There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Brussels?
Scandinavian Airlines, Icelandair, and TAP AIR PORTUGAL are the most popular carriers operating from Washington, D.C. Dulles Intl to Brussels
What airlines fly to Brussels?
United Airlines, Scandinavian Airlines and Aer Lingus are the top three most popular airlines that fly to Brussels from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 10 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per day?
6 flights are operational daily from Washington, D.C. Dulles Intl Airport to Brussels as of April 2025. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.
How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per week?
The number of flights available between Washington, D.C. Dulles Intl Airport and Brussels is 47 per week as of April 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.
Cheap Washington, D.C. Dulles Intl Airport to Brussels flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Brussels
How far is Washington, D.C. Dulles Intl to Brussels by plane?
There are 3874.4 mi between Washington, D.C. Dulles Intl and Brussels. Typically, this will take 7h 30m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels?
Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Brussels is 10 as of April 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels.
What documentation or ID do you need to fly to Brussels?
The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $383 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom $406 | Free Cancellation | Rating 7.3 1,346 reviews | |||
| PriceFrom $441 | Free Cancellation | Rating 7.0 484 reviews | |||
| PriceFrom $492 | Free Cancellation | Rating 7.1 1,850 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 6.6 6,829 reviews | |||
| PriceFrom $552 | Free Cancellation | Rating 7.3 3,785 reviews | |||
| PriceFrom $564 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom $694 | Free Cancellation | Rating 6.7 7,040 reviews | |||
| PriceFrom $724 | Free Cancellation | Rating 7.4 8,694 reviews | |||
| PriceFrom $913 | Free Cancellation | Rating 7.3 345 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Brussels?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Brussels for you.
Can I find flights from Washington, D.C. to Brussels with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Brussels flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Brussels?
momondo helps you find the best flight between Washington, D.C. and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Washington, D.C. to Brussels right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Brussels from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.