What airlines fly to Belgium?

United Airlines, Aer Lingus and Scandinavian Airlines 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 41% of people opting to fly with this airline when traveling to Belgium. Keep in mind that there are 10 different airlines that fly to Belgium 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 Belgium on average per day?

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

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 April 2026, there are 10 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.

$331 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 April 2026. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.

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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 - 11:00 pm

IAD

BRU

20h 40m

1 stop

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

$624Scandinavian Airlines

Mon, Sep 28 - Mon, Oct 5

8:20 pm - 2:35 pm

IAD

BRU

12h 15m

1 stop

7:15 pm - 6:15 pm

BRU

IAD

28h 00m

1 stop

$629Scandinavian Airlines

Sat, Oct 17 - Tue, Oct 27

8:20 pm - 8:40 pm

IAD

BRU

18h 20m

2 stops

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

$631Scandinavian Airlines

Sat, Oct 3 - Mon, Oct 12

8:20 pm - 6:20 pm

IAD

BRU

16h 00m

2 stops

8:30 pm - 6:15 pm

BRU

IAD

26h 45m

1 stop

$632Scandinavian Airlines

Sat, Oct 17 - Tue, Oct 27

8:20 pm - 6:20 pm

IAD

BRU

16h 00m

2 stops

7:15 pm - 6:15 pm

BRU

IAD

28h 00m

1 stop

$633Scandinavian Airlines

Sat, Oct 17 - Tue, Oct 27

8:20 pm - 11:00 pm

IAD

BRU

20h 40m

1 stop

8:30 pm - 6:15 pm

BRU

IAD

26h 45m

1 stop

$634Scandinavian Airlines

Sat, Oct 10 - Tue, Oct 27

8:20 pm - 2:35 pm

IAD

BRU

12h 15m

1 stop

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

$645Scandinavian Airlines

Wed, Sep 9 - Thu, Sep 17

8:20 pm - 6:30 pm

IAD

BRU

16h 10m

1 stop

5:45 am - 5:00 pm

BRU

IAD

17h 15m

1 stop

$648Scandinavian Airlines

Sun, Oct 11 - Mon, Oct 19

8:30 pm - 10:35 pm

IAD

CRL

20h 05m

2 stops

12:20 pm - 3:10 pm

CRL

IAD

32h 50m

2 stops

$708Multiple Airlines

Sun, May 10 - Tue, May 19

8:30 pm - 10:35 pm

IAD

CRL

20h 05m

2 stops

12:20 pm - 3:10 pm

CRL

IAD

32h 50m

2 stops

$721Multiple Airlines

Sun, May 10 - Tue, May 19

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

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

Turkish Airlines

Sep 22

IAD1:20 pmWashington, D.C. Dulles Intl

14h 50m

1 stop

BRU10:10 amBrussels Bruxelles-National

Sep 29

BRU7:20 amBrussels Bruxelles-National

18h 30m

1 stop

IAD7:50 pmWashington, D.C. Dulles Intl

$714

Turkish Airlines

Sep 22

IAD1:20 pmWashington, D.C. Dulles Intl

22h 30m

1 stop

BRU5:50 pmBrussels Bruxelles-National

Sep 29

BRU6:55 pmBrussels Bruxelles-National

22h 40m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$715

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 28

IAD8:20 pmWashington, D.C. Dulles Intl

20h 40m

1 stop

BRU11:00 pmBrussels Bruxelles-National

Oct 5

BRU5:45 amBrussels Bruxelles-National

17h 15m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$624

Scandinavian Airlines

Oct 17

IAD8:20 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

BRU2:35 pmBrussels Bruxelles-National

Oct 27

BRU7:15 pmBrussels Bruxelles-National

28h 00m

1 stop

IAD6:15 pmWashington, D.C. Dulles Intl

$629

Scandinavian Airlines

Oct 3

IAD8:20 pmWashington, D.C. Dulles Intl

18h 20m

2 stops

BRU8:40 pmBrussels Bruxelles-National

Oct 12

BRU5:45 amBrussels Bruxelles-National

17h 15m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$631

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

Mon 9/28

8:20 pm-11:00 pm

1 stop20h 40m

Brussels Bruxelles-National

Mon 10/5

5:45 am-5:00 pm

1 stop17h 15m

$624

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/17

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Tue 10/27

7:15 pm-6:15 pm

1 stop28h 00m

$629

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/3

8:20 pm-8:40 pm

2 stops18h 20m

Brussels Bruxelles-National

Mon 10/12

5:45 am-5:00 pm

1 stop17h 15m

$631

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/17

8:20 pm-6:20 pm

2 stops16h 00m

Brussels Bruxelles-National

Tue 10/27

8:30 pm-6:15 pm

1 stop26h 45m

$632

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/17

8:20 pm-6:20 pm

2 stops16h 00m

Brussels Bruxelles-National

Tue 10/27

7:15 pm-6:15 pm

1 stop28h 00m

$633

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/10

8:20 pm-11:00 pm

1 stop20h 40m

Brussels Bruxelles-National

Tue 10/27

8:30 pm-6:15 pm

1 stop26h 45m

$634

Quickest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/9

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Thu 9/17

5:45 am-5:00 pm

1 stop17h 15m

$645

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 10/11

8:20 pm-6:30 pm

1 stop16h 10m

Brussels Bruxelles-National

Mon 10/19

5:45 am-5:00 pm

1 stop17h 15m

$648

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 5/10

8:30 pm-10:35 pm

2 stops20h 05m

Charleroi Brussels

Tue 5/19

12:20 pm-3:10 pm

2 stops32h 50m

$708

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 5/10

8:30 pm-10:35 pm

2 stops20h 05m

Charleroi Brussels

Tue 5/19

12:20 pm-3:10 pm

2 stops32h 50m

$721

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, July 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 $201. If you are unable to visit Belgium during the month of July, then departing from Washington, D.C. Dulles Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $369.

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

Our data shows that Wednesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,067. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,307. 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 $804 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 $603 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 60% 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	$762
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 $762. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Belgium found on momondo in the last 72 hours is $1,236.

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 April 2026, there are 10 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 54.02% of the total bookings. Other popular models include Airbus A321neo with 9.67%, Airbus A330-300 with 9.55%, and Boeing 767-400 with 6.91%.

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
British Airways	PriceFrom $345	Free Cancellation	Rating 6.7 7,928 reviews	Search British Airways flights
Icelandair	PriceFrom $385	Free Cancellation	Rating 7.0 646 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $440	Free Cancellation	Rating 7.1 2,223 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 1,762 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $511	Free Cancellation	Rating 7.9 8,467 reviews	Search Delta flights
Turkish Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 4,341 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $539	Free Cancellation	Rating 7.3 1,535 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $591	Free Cancellation	Rating 7.4 9,672 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $633	Free Cancellation	Rating 7.2 404 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $775	Free Cancellation	Rating 6.8 7,956 reviews	Search Lufthansa 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 $496

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Cheap flights from Washington, D.C. Dulles Intl Airport to Belgium from $331

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

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

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

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

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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 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

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

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

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

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According to popular flight searches on momondo this year