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

United Airlines, Brussels Airlines and Lufthansa are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Belgium according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Which airline has the best punctuality record on Belgium to Washington, D.C. flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

How many flights depart from Belgium to Washington, D.C. Dulles Intl Airport on average per day?

The number of flights available between Belgium and Washington, D.C. Dulles Intl Airport is 3 per day as of March 2026. The most frequent departure time is 11:00AM, with 100% of daily flights leaving at noon.

What is the most punctual flight time for Belgium to Washington, D.C. flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Belgium to Washington, D.C. Dulles Intl?

British Airways, TAP AIR PORTUGAL, and Royal Air Maroc are the most popular carriers operating from Belgium to Washington, D.C. Dulles Intl

How often are flights from Belgium to Washington, D.C. delayed?

Historically, on average around 16% of flights between Belgium and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

How many operators does momondo search for flights from Belgium to Washington, D.C. Dulles Intl Airport?

As of March 2026, there are 3 operators available to choose from for flights from Belgium to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Belgium to Washington, D.C. Dulles Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belgium to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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.

$387 Cheap Flights from Belgium to Washington, D.C. Dulles Intl Airport in 2026

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Find the cheapest flights from Belgium to Washington, D.C.

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One-way

Last minute

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

Enter your travel dates to find the best prices.

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

8:20 pm - 6:30 pm

IAD

BRU

16h 10m

1 stop

$590Scandinavian Airlines

Mon, May 4 - Mon, May 11

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

8:20 pm - 2:35 pm

IAD

BRU

12h 15m

1 stop

$596Scandinavian Airlines

Fri, May 1 - Sun, May 10

11:35 am - 2:30 pm

BRU

IAD

32h 55m

1 stop

4:30 pm - 10:45 am

IAD

BRU

12h 15m

1 stop

$602ITA Airways

Fri, Sep 11 - Sat, Sep 19

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

8:20 pm - 6:15 pm

IAD

BRU

15h 55m

2 stops

$603Scandinavian Airlines

Mon, May 4 - Mon, May 11

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

8:20 pm - 6:15 pm

IAD

BRU

15h 55m

2 stops

$606Scandinavian Airlines

Mon, May 4 - Mon, May 11

10:20 am - 5:00 pm

BRU

IAD

12h 40m

1 stop

8:20 pm - 6:30 pm

IAD

BRU

16h 10m

1 stop

$623Scandinavian Airlines

Wed, Apr 15 - Sun, Apr 19

6:55 pm - 2:30 pm

BRU

IAD

25h 35m

1 stop

4:30 pm - 10:45 am

IAD

BRU

12h 15m

1 stop

$634ITA Airways

Thu, Jul 23 - Mon, Aug 24

10:20 am - 3:45 pm

BRU

IAD

11h 25m

1 stop

5:15 pm - 9:40 am

IAD

BRU

10h 25m

1 stop

$640Aer Lingus

Wed, Apr 22 - Wed, Apr 29

9:50 am - 8:29 pm

CRL

IAD

16h 39m

2 stops

8:30 pm - 10:45 pm

IAD

CRL

20h 15m

2 stops

$741Multiple Airlines

Fri, May 1 - Sun, May 10

5:35 pm - 3:10 pm

CRL

IAD

27h 35m

2 stops

8:30 pm - 10:55 pm

IAD

CRL

20h 25m

2 stops

$743Multiple Airlines

Wed, Apr 15 - Sun, Apr 19

Icelandair flights from Belgium to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Belgium to Washington, D.C. Dulles Intl Airport flight tickets

Icelandair

May 3

BRU1:50 pmBrussels Bruxelles-National

11h 30m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

May 9

IAD8:30 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

BRU12:55 pmBrussels Bruxelles-National

$686

Icelandair

May 20

BRU1:50 pmBrussels Bruxelles-National

11h 30m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

May 25

IAD8:30 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

BRU12:55 pmBrussels Bruxelles-National

$687

Icelandair

May 6

BRU1:50 pmBrussels Bruxelles-National

11h 30m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

May 13

IAD8:30 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

BRU12:55 pmBrussels Bruxelles-National

$688

ITA Airways flights from Belgium to Washington, D.C. Dulles Intl Airport

Our best ITA Airways deals on Belgium to Washington, D.C. Dulles Intl Airport flight tickets

ITA Airways

Jul 23

BRU6:55 pmBrussels Bruxelles-National

25h 35m

1 stop

IAD2:30 pmWashington, D.C. Dulles Intl

Aug 24

IAD4:30 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

BRU10:45 amBrussels Bruxelles-National

$634

ITA Airways

May 7

BRU11:35 amBrussels Bruxelles-National

32h 55m

1 stop

IAD2:30 pmWashington, D.C. Dulles Intl

May 10

IAD4:30 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

BRU10:45 amBrussels Bruxelles-National

$644

ITA Airways

May 25

BRU6:55 pmBrussels Bruxelles-National

25h 35m

1 stop

IAD2:30 pmWashington, D.C. Dulles Intl

Jun 1

IAD4:30 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

BRU10:45 amBrussels Bruxelles-National

$659

momondo Fare Finder

Use the filters below to find and compare flights from Belgium to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 5/4

5:45 am-5:00 pm

1 stop17h 15m

Washington, D.C. Dulles Intl

Mon 5/11

8:20 pm-6:30 pm

1 stop16h 10m

$590

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 5/1

5:45 am-5:00 pm

1 stop17h 15m

Washington, D.C. Dulles Intl

Sun 5/10

8:20 pm-2:35 pm

1 stop12h 15m

$596

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 9/11

11:35 am-2:30 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Sat 9/19

4:30 pm-10:45 am

1 stop12h 15m

$602

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 5/4

5:45 am-5:00 pm

1 stop17h 15m

Washington, D.C. Dulles Intl

Mon 5/11

8:20 pm-6:15 pm

2 stops15h 55m

$603

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 5/4

5:45 am-5:00 pm

1 stop17h 15m

Washington, D.C. Dulles Intl

Mon 5/11

8:20 pm-6:15 pm

2 stops15h 55m

$606

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 4/15

10:20 am-5:00 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-6:30 pm

1 stop16h 10m

$623

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 7/23

6:55 pm-2:30 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Mon 8/24

4:30 pm-10:45 am

1 stop12h 15m

$634

Quickest round-trip

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 4/22

10:20 am-3:45 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Wed 4/29

5:15 pm-9:40 am

1 stop10h 25m

$640

BrusselsWashington, D.C.

CRL - IAD

CRLIAD

Charleroi Brussels

Fri 5/1

9:50 am-8:29 pm

2 stops16h 39m

Washington, D.C. Dulles Intl

Sun 5/10

8:30 pm-10:45 pm

2 stops20h 15m

$741

BrusselsWashington, D.C.

CRL - IAD

CRLIAD

Charleroi Brussels

Wed 4/15

5:35 pm-3:10 pm

2 stops27h 35m

Washington, D.C. Dulles Intl

Sun 4/19

8:30 pm-10:55 pm

2 stops20h 25m

$743

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belgium to Washington, D.C. Dulles Intl Airport

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

Delays

Other information

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Belgium to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $587. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $597.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $744. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Belgium to Washington, D.C. Dulles Intl Airport for around $868.

What is the cheapest Belgium to Washington, D.C. Dulles Intl flight route?

Fly from Brussels Bruxelles-National to Washington, D.C. Dulles Intl for the best Belgium - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $645 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Belgium for as low as $542 on momondo.

What cabin class options are available on Belgium to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on Belgium to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Belgium to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belgium to Washington, D.C. Dulles Intl Airport

Best Price Found	$769
Fastest flight time	8h 20m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Belgium in the past 72 hours is $769. The best round-trip flight deal from Belgium to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $819.

The fastest flight from Belgium to Washington, D.C. Dulles Intl Airport takes 8h 20m

Direct flights go from Belgium to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

When did momondo last update prices for flights from Belgium to Washington, D.C. Dulles Intl Airport?
Prices for flights from Belgium to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Belgium to Washington, D.C. Dulles Intl Airport?
As of March 2026, there are 3 operators available to choose from for flights from Belgium to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Belgium to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belgium to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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.
What is the most popular plane model from Belgium to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Belgium and Washington, D.C. Dulles Intl Airport, the leading plane model is Boeing 777-300ER, making up 51.39% of the total bookings. Other popular models include Airbus A330-300 with 18.08%, Boeing 777 with 13.07%, and Boeing 737 MAX 8 with 2.23%.

Best airlines flying from Belgium to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Belgium to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Brussels Airlines	PriceFrom $496	Free Cancellation	Rating 7.2 393 reviews	Search Brussels Airlines flights
United Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 9,467 reviews	Search United Airlines flights
Lufthansa	PriceFrom $558	Free Cancellation	Rating 6.8 7,864 reviews	Search Lufthansa flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Sterling

Linthicum Heights

Springfield

Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Belgium to Washington, D.C.?

Finding the right flight to Washington, D.C. from Belgium is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Belgium to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Belgium with this policy.

How can momondo help me find flights from Belgium to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Belgium.

I’m not ready to book a flight from Belgium to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Belgium are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Belgium to Washington, D.C. from $387

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belgium to Washington, D.C. departing on 4/19. 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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Icelandair flights from Belgium to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Belgium to Washington, D.C. Dulles Intl Airport flight tickets

ITA Airways flights from Belgium to Washington, D.C. Dulles Intl Airport

Our best ITA Airways deals on Belgium to Washington, D.C. Dulles Intl Airport flight tickets

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Use the filters below to find and compare flights from Belgium to Washington, D.C. Dulles Intl Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Belgium to Washington, D.C. Dulles Intl Airport

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest Belgium to Washington, D.C. Dulles Intl flight route?

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

What cabin class options are available on Belgium to Washington, D.C. Dulles Intl flights?

What is the cheapest airline that flies from Belgium to Washington, D.C. Dulles Intl?

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

How often are flights from Belgium to Washington, D.C. delayed?

What is the most punctual flight time for Belgium to Washington, D.C. flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Belgium to Washington, D.C. flights?

How many flights depart from Belgium to Washington, D.C. Dulles Intl Airport on average per day?

How many flights depart from Belgium to Washington, D.C. Dulles Intl Airport on average per week?

Cheap Belgium to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belgium to Washington, D.C. Dulles Intl Airport

Best Price Found

Fastest flight time

Direct flights

Best airlines flying from Belgium to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Belgium to Washington, D.C. Dulles Intl Airport with momondo

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