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

7 flights are operational daily from Washington, D.C. Dulles Intl Airport to Belgium as of July 2026. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

What airlines fly to Belgium?

United Airlines, Scandinavian Airlines and Aer Lingus are the top three most popular airlines that fly to Belgium from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Belgium. Keep in mind that there are 8 different airlines that fly to Belgium on a routine basis, so you have a few additional options to choose from.

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

United Airlines and TAP AIR PORTUGAL are the most popular carriers operating from Washington, D.C. Dulles Intl to Belgium

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Belgium?

Prices for flights from Washington, D.C. Dulles Intl Airport to Belgium are refreshed on a daily basis.

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

As of July 2026, there are 8 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Belgium.

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

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 Washington, D.C. Dulles Intl Airport to Belgium.

What documentation or ID do you need to fly to Belgium?

The travel and health documents you'll need for your trip to Belgium may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belgium. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$224 Cheap Flights from Washington, D.C. Dulles Intl Airport to Belgium in 2026

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

The number of flights available between Washington, D.C. Dulles Intl Airport and Belgium is 50 per week as of July 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 pm - 7:50 pm

IAD

BRU

17h 30m

1 stop

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

$700Scandinavian Airlines

Sat, Sep 5 - Wed, Sep 16

8:20 pm - 11:00 pm

IAD

BRU

20h 40m

1 stop

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

$702Scandinavian Airlines

Wed, Sep 9 - Wed, Sep 16

11:20 pm - 9:10 am

IAD

BRU

51h 50m

2 stops

12:05 pm - 6:50 pm

BRU

IAD

12h 45m

1 stop

$705Multiple Airlines

Wed, Sep 2 - Tue, Sep 15

5:40 pm - 5:40 pm

IAD

BRU

18h 00m

2 stops

10:55 am - 3:10 pm

BRU

IAD

34h 15m

2 stops

$707Multiple Airlines

Mon, Sep 21 - Tue, Sep 29

8:30 pm - 12:55 pm

IAD

BRU

10h 25m

1 stop

1:50 pm - 7:20 pm

BRU

IAD

11h 30m

1 stop

$712Icelandair

Wed, Aug 19 - Sat, Aug 29

8:30 pm - 12:55 pm

IAD

BRU

10h 25m

1 stop

1:50 pm - 7:20 pm

BRU

IAD

11h 30m

1 stop

$712Icelandair

Wed, Aug 19 - Wed, Aug 26

5:25 pm - 11:00 am

IAD

BRU

11h 35m

1 stop

6:00 am - 8:35 pm

BRU

IAD

20h 35m

1 stop

$731TAP AIR PORTUGAL

Mon, Dec 14 - Fri, Dec 25

10:35 pm - 11:00 am

IAD

BRU

30h 25m

1 stop

5:55 am - 3:10 pm

BRU

IAD

15h 15m

1 stop

$733TAP AIR PORTUGAL

Sun, Sep 13 - Mon, Sep 28

1:15 pm - 10:10 am

IAD

BRU

14h 55m

1 stop

2:30 pm - 11:30 am

BRU

IAD

27h 00m

1 stop

$760Turkish Airlines

Tue, Sep 15 - Thu, Oct 1

1:15 pm - 1:25 pm

IAD

BRU

18h 10m

1 stop

11:10 am - 11:30 am

BRU

IAD

30h 20m

1 stop

$760Turkish Airlines

Tue, Sep 8 - Fri, Sep 25

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

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

Scandinavian Airlines

Sep 5

IAD8:20 pmWashington, D.C. Dulles Intl

17h 30m

1 stop

BRU7:50 pmBrussels Bruxelles-National

Sep 16

BRU5:45 amBrussels Bruxelles-National

17h 15m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$700

Scandinavian Airlines

Sep 9

IAD8:20 pmWashington, D.C. Dulles Intl

20h 40m

1 stop

BRU11:00 pmBrussels Bruxelles-National

Sep 16

BRU5:45 amBrussels Bruxelles-National

17h 15m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$702

Scandinavian Airlines

Sep 9

IAD8:20 pmWashington, D.C. Dulles Intl

15h 55m

2 stops

BRU6:15 pmBrussels Bruxelles-National

Sep 16

BRU5:45 amBrussels Bruxelles-National

17h 15m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$704

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Belgium

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

TAP AIR PORTUGAL

Sep 13

IAD10:35 pmWashington, D.C. Dulles Intl

30h 25m

1 stop

BRU11:00 amBrussels Bruxelles-National

Sep 28

BRU5:55 amBrussels Bruxelles-National

15h 15m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$733

TAP AIR PORTUGAL

Sep 7

IAD5:40 pmWashington, D.C. Dulles Intl

11h 20m

1 stop

BRU11:00 amBrussels Bruxelles-National

Sep 16

BRU5:55 amBrussels Bruxelles-National

15h 15m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$734

TAP AIR PORTUGAL

Sep 7

IAD5:40 pmWashington, D.C. Dulles Intl

11h 20m

1 stop

BRU11:00 amBrussels Bruxelles-National

Sep 27

BRU3:55 pmBrussels Bruxelles-National

29h 15m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$735

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 9/5

8:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Wed 9/16

5:45 am-5:00 pm

1 stop17h 15m

$700

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/9

8:20 pm-11:00 pm

1 stop20h 40m

Brussels Bruxelles-National

Wed 9/16

5:45 am-5:00 pm

1 stop17h 15m

$702

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/2

11:20 pm-9:10 am

2 stops51h 50m

Brussels Bruxelles-National

Tue 9/15

12:05 pm-6:50 pm

1 stop12h 45m

$705

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 9/21

5:40 pm-5:40 pm

2 stops18h 00m

Brussels Bruxelles-National

Tue 9/29

10:55 am-3:10 pm

2 stops34h 15m

$707

Quickest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 8/19

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Sat 8/29

1:50 pm-7:20 pm

1 stop11h 30m

$712

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 8/19

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Wed 8/26

1:50 pm-7:20 pm

1 stop11h 30m

$712

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 12/14

5:25 pm-11:00 am

1 stop11h 35m

Brussels Bruxelles-National

Fri 12/25

6:00 am-8:35 pm

1 stop20h 35m

$731

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 9/13

10:35 pm-11:00 am

1 stop30h 25m

Brussels Bruxelles-National

Mon 9/28

5:55 am-3:10 pm

1 stop15h 15m

$733

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/15

1:15 pm-10:10 am

1 stop14h 55m

Brussels Bruxelles-National

Thu 10/1

2:30 pm-11:30 am

1 stop27h 00m

$760

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/8

1:15 pm-1:25 pm

1 stop18h 10m

Brussels Bruxelles-National

Fri 9/25

11:10 am-11:30 am

1 stop30h 20m

$760

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 Washington, D.C. Dulles Intl Airport to Belgium

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 Belgium?

In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $600. If you are unable to visit Belgium during the month of January, then departing from Washington, D.C. Dulles Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $615.

What is the cheapest day to depart on your flight to Belgium?

Our data shows that Thursday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,187. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,379. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

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

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

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

You are more likely to see cheaper flights to Belgium from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $834 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Washington, D.C. Dulles Intl Airport for as low as $716 on momondo.

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

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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Belgium flights?

You could potentially save up to 17% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Belgium flight.

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

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

Best Price Found	$611
Fastest flight time	7h 30m
Direct flights	Every day
Airports in Belgium	32 airports

The best one-way flight to Belgium from Washington, D.C. Dulles Intl Airport in the past 72 hours is $611. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Belgium found on momondo in the last 72 hours is $1,120.

The fastest flight from Washington, D.C. Dulles Intl Airport to Belgium takes 7h 30m

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

There are 32 airports in Belgium. From Washington, D.C. Dulles Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Belgium

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Belgium?
Prices for flights from Washington, D.C. Dulles Intl Airport to Belgium are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Belgium?
As of July 2026, there are 8 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Belgium.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Belgium?
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 Washington, D.C. Dulles Intl Airport to Belgium.
What documentation or ID do you need to fly to Belgium?
The travel and health documents you'll need for your trip to Belgium may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belgium. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Belgium?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Belgium, the leading plane model is Boeing 777-300ER, making up 52.27% of the total bookings. Other popular models include Airbus A330-300 with 17.91%, Boeing 787-8 Dreamliner with 6.68%, and Airbus A350-900 with 3.68%.

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

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $393	Free Cancellation	Rating 7.0 716 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $440	Free Cancellation	Rating 7.2 2,350 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $463	Free Cancellation	Rating 7.4 1,905 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 4,455 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $539	Free Cancellation	Rating 7.3 1,682 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $642	Free Cancellation	Rating 7.4 10,052 reviews	Search United Airlines flights
Lufthansa	PriceFrom $762	Free Cancellation	Rating 6.8 8,163 reviews	Search Lufthansa flights
Brussels Airlines	PriceFrom $762	Free Cancellation	Rating 7.2 427 reviews	Search Brussels Airlines flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Belgium flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belgium that suits you.

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

All flight searches from Washington, D.C. to Belgium on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Washington, D.C. to Belgium flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Belgium from Washington, D.C. 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.

An easier way to manage your Belgium trip

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Flights to Brusselsfrom $481

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Cheap flights from Washington, D.C. Dulles Intl Airport to Belgium from $224

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

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

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Belgium

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

momondo Fare Finder

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

See travel insights to Belgium from

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

What is the cheapest month to fly to Belgium?

What is the cheapest day to depart on your flight to Belgium?

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

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

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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Belgium flights?

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

What airlines fly to Belgium?

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

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Belgium

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Belgium

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

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

Why use momondo?

An easier way to manage your Belgium trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belgium

Popular cities in Belgium

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Belgium flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Belgium

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Belgium

List of cabin classes available on flights landing in Belgium. Availability may vary depending on flight origin and airline.

Complete your trip to Belgium

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According to popular flight searches on momondo this year