How long is the flight from Washington, D.C. Dulles Intl Airport to Belgium?

ITA Airways, United Airlines, and British Airways can get you from Washington, D.C. Dulles Intl Airport to Belgium in just under 12h 55m. Your travel time can differ by up to 6h 35m. There are 3879 mi between Washington, D.C. Dulles Intl Airport and Belgium. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Belgium one-way?

One-way options have recently been found by users for as low as $232 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from $456 and TAP AIR PORTUGAL from $496 one-way.

In terms of precipitation, rainfall in Belgium ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Belgium when rainfall is around 1.6 in.

If weather is an important factor for your trip to Belgium, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Belgium?

While some choose either Washington, D.C. Dulles Intl - Charleroi Brussels or Washington, D.C. Dulles Intl - Antwerp Deurne, Washington, D.C. Dulles Intl - Brussels Bruxelles-National is the most popular route from Washington, D.C. Dulles Intl Airport to Belgium.

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Belgium?

The cheapest flight price from Washington, D.C. Dulles Intl Airport to Belgium is $467. On average you can expect to pay $2,638. The most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), can usually be booked for $496.

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Belgium?

No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Belgium consider choosing Brussels Airlines (54%), United Airlines (54%) or Air Canada (35%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Belgium?

When booking a flight from Washington, D.C. Dulles Intl Airport to Belgium, you may want to consider flying on United Airlines, Scandinavian Airlines or Aer Lingus as they are the most popular for this route.

Can I find deals for flights from Dulles Intl to Belgium that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Belgium?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Belgium.

Can I find deals for business class flights from Dulles Intl to Belgium?

Yes. Cheapflights offers flight deals from Dulles Intl to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$324+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Belgium

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Cheap flight deals from Dulles Intl to Belgium

Cheapest

Best

Last-minute

One-way

Cheapest flights from Dulles Intl to Belgium
Explore the most affordable flight options available from Dulles Intl to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.

Mon 11/28:30 pm -

1 stop31h 10m

Tue 11/107:00 pm -

2 stops28h 15m

Deal found 9/11

$670

Thu 10/228:30 pm -

1 stop10h 25m

Sun 10/2512:50 pm -

1 stop11h 40m

Deal found 9/8

$675

Mon 11/95:25 pm -

1 stop24h 25m

Mon 11/165:55 pm -

1 stop26h 50m

Deal found 9/8

$679

Mon 11/28:50 pm -

2 stops30h 50m

Tue 11/109:50 am -

1 stop15h 30m

Deal found 9/9

$680

Mon 11/305:25 pm -

1 stop11h 35m

Mon 12/76:00 am -

1 stop15h 15m

Deal found 9/9

$682

Thu 10/85:15 pm -

1 stop10h 25m

Thu 10/1510:20 am -

1 stop11h 25m

Deal found 9/9

$691

Wed 12/210:30 pm -

1 stop19h 25m

Mon 12/76:00 am -

1 stop15h 15m

Deal found 9/10

$693

Fri 11/1310:30 pm -

1 stop12h 35m

Mon 11/235:55 pm -

1 stop26h 45m

Deal found 9/11

$694

Wed 10/75:15 pm -

1 stop10h 25m

Sun 10/1110:20 am -

1 stop15h 05m

Deal found 9/9

$696

Wed 11/185:50 pm -

1 stop11h 50m

Thu 11/266:20 am -

1 stop16h 00m

Deal found 9/9

$701

Sat 11/215:50 pm -

1 stop16h 40m

Thu 12/36:20 am -

1 stop16h 00m

Deal found 9/10

$708

Fri 11/138:50 pm -

1 stop15h 35m

Mon 11/239:45 am -

1 stop15h 35m

Deal found 9/11

$721

Best flights from Dulles Intl to Belgium
Discover carefully curated flight deals from Dulles Intl to Belgium that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Sat 11/215:50 pm -

1 stop16h 40m

Thu 12/36:20 am -

1 stop16h 00m

Deal found 9/10

$708

Thu 12/34:30 pm -

1 stop19h 30m

Mon 12/76:55 pm -

1 stop25h 35m

Deal found 9/7

$734

Thu 12/36:20 pm -

1 stop12h 55m

Fri 12/1810:00 am -

1 stop16h 23m

Deal found 9/7

$813

Fri 12/119:45 pm -

1 stop13h 35m

Mon 1/115:35 pm -

1 stop28h 05m

Deal found 9/8

$836

Mon 12/75:25 pm -

1 stop14h 55m

Sun 12/137:45 am -

1 stop18h 50m

Deal found 9/7

$785

Mon 11/305:45 pm -

Nonstop7h 30m

Sun 12/611:55 am -

Nonstop8h 35m

Deal found 9/8

$843

Sun 12/610:30 pm -

1 stop16h 20m

Sun 12/137:45 am -

1 stop18h 50m

Deal found 9/7

$794

Tue 12/85:45 pm -

Nonstop7h 30m

Sun 12/1311:55 am -

Nonstop8h 35m

Deal found 9/7

$843

Sat 11/145:25 pm -

1 stop14h 20m

Wed 12/26:20 am -

1 stop20h 15m

Deal found 9/11

$822

Tue 12/15:45 pm -

Nonstop7h 30m

Sun 12/611:55 am -

Nonstop8h 35m

Deal found 9/11

$843

Mon 12/75:50 pm -

1 stop11h 50m

Mon 12/146:20 am -

2 stops18h 45m

Deal found 9/7

$828

Fri 11/610:15 pm -

1 stop28h 35m

Sat 11/1411:55 am -

Nonstop8h 35m

Deal found 9/8

$860

Mon 11/95:50 pm -

1 stop11h 50m

Thu 11/125:40 pm -

2 stops32h 55m

Deal found 9/10

$835

Thu 12/106:20 pm -

1 stop12h 55m

Sun 12/2011:55 am -

Nonstop8h 35m

Deal found 9/8

$860

Wed 11/185:50 pm -

1 stop11h 50m

Tue 12/16:20 am -

1 stop16h 00m

Deal found 9/11

$842

Tue 11/175:45 pm -

Nonstop7h 30m

Mon 11/3011:55 am -

Nonstop8h 35m

Deal found 9/10

$903

Sat 11/77:40 pm -

2 stops21h 15m

Sat 11/149:20 am -

2 stops15h 10m

Deal found 9/9

$842

Wed 11/185:45 pm -

Nonstop7h 30m

Mon 11/3011:55 am -

Nonstop8h 35m

Deal found 9/10

$903

Mon 11/235:50 pm -

1 stop11h 50m

Tue 12/18:05 pm -

2 stops26h 15m

Deal found 9/11

$856

Wed 10/215:45 pm -

Nonstop7h 30m

Wed 10/2811:55 am -

Nonstop8h 35m

Deal found 9/11

$921

Mon 11/235:50 pm -

1 stop11h 50m

Thu 11/266:20 am -

1 stop16h 00m

Deal found 9/11

$881

Mon 10/51:15 pm -

2 stops23h 25m

Wed 10/143:05 pm -

2 stops26h 25m

Deal found 9/8

$908

Tue 10/135:45 pm -

Nonstop7h 30m

Sun 10/1812:00 pm -

Nonstop8h 15m

Deal found 9/7

$1,013

Tue 10/276:25 pm -

3 stops20h 35m

Tue 11/37:00 am -

3 stops37h 45m

Deal found 9/11

$1,294

Fri 10/231:15 pm -

2 stops25h 25m

Fri 10/307:00 am -

2 stops34h 45m

Deal found 9/8

$1,368

Last-minute flights from Dulles Intl to Belgium
Discover last-minute flight deals from Dulles Intl to Belgium. Data last updated September 12, 2026 and is based on user searches.

Fri 10/28:20 pm -

1 stop12h 15m

Fri 10/168:30 pm -

1 stop26h 30m

Deal found 9/10

$697

Mon 10/55:15 pm -

1 stop10h 25m

Fri 10/1610:20 am -

1 stop11h 25m

Deal found 9/10

$700

Wed 10/75:15 pm -

1 stop10h 25m

Sun 10/1110:20 am -

1 stop15h 05m

Deal found 9/9

$696

Wed 10/78:20 pm -

1 stop16h 10m

Thu 10/159:10 pm -

2 stops25h 50m

Deal found 9/9

$705

Thu 10/85:15 pm -

1 stop10h 25m

Thu 10/1510:20 am -

1 stop11h 25m

Deal found 9/9

$691

Fri 10/98:20 pm -

1 stop17h 30m

Fri 10/163:15 pm -

1 stop31h 45m

Deal found 9/11

$699

Sun 10/118:20 pm -

1 stop17h 30m

Sun 10/189:20 pm -

2 stops25h 40m

Deal found 9/11

$703

Thu 10/158:20 pm -

1 stop12h 15m

Fri 10/238:30 pm -

1 stop26h 30m

Deal found 9/10

$704

Wed 10/211:15 pm -

2 stops25h 10m

Wed 10/281:40 pm -

2 stops35h 45m

Deal found 9/12

$776

Thu 10/228:30 pm -

1 stop10h 25m

Sun 10/2512:50 pm -

1 stop11h 40m

Deal found 9/8

$675

Thu 10/228:20 pm -

1 stop17h 30m

Mon 10/2610:20 am -

1 stop12h 55m

Deal found 9/11

$701

Sat 10/248:20 pm -

2 stops17h 20m

Wed 10/287:20 pm -

2 stops27h 55m

Deal found 9/10

$702

One-way flights from Dulles Intl to Belgium
Search for one-way flight options from Dulles Intl to Belgium. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

Sun 10/1111:25 am -

2 stops40h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$324

Fri 10/308:40 pm -

3 stops29h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$326

Fri 10/23:50 pm -

2 stops35h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$327

Sat 10/311:25 am -

2 stops40h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$328

Tue 10/68:30 pm -

2 stops29h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$332

Fri 10/211:12 am -

3 stops38h 38m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$333

Tue 10/138:30 pm -

2 stops13h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$334

Tue 10/138:30 pm -

3 stops30h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$336

Wed 10/711:12 am -

3 stops27h 33m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$337

Sat 10/311:25 am -

3 stops21h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$338

Tue 10/2011:12 am -

2 stops42h 43m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$338

Sun 11/297:40 pm -

3 stops21h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$340

Find flight deals from Dulles Intl to Belgium

Round-trip from	$670 (Gotogate)
One-way from	$324 (Kiwi.com)
Popular in	June
Cheapest in	March
Average price	$973
Good round-trip deal	$1,038 or less
Good one-way deal	$700 or less

From Washington, D.C. Dulles Intl to Belgium

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Belgium

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($264 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Belgium.

Search Deals

Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Belgium.

Search Deals

Cheapflights 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 Washington, D.C. Dulles Intl - CRL Charleroi Brussels

IADCRL

Washington, D.C. Dulles Intl

Sun 10/11

11:25 am-9:30 am

2 stops40h 05m

Charleroi Brussels

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$324

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels

IADCRL

Washington, D.C. Dulles Intl

Sat 11/28

7:40 pm-10:55 pm

2 stops21h 15m

Charleroi Brussels

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$333

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels

IADCRL

Washington, D.C. Dulles Intl

Fri 10/2

11:12 am-7:50 am

3 stops38h 38m

Charleroi Brussels

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$333

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels

IADCRL

Washington, D.C. Dulles Intl

Tue 11/10

7:40 pm-10:05 am

2 stops32h 25m

Charleroi Brussels

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$338

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels

IADCRL

Washington, D.C. Dulles Intl

Wed 12/30

7:40 pm-10:30 pm

3 stops20h 50m

Charleroi Brussels

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$364

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels

IADCRL

Washington, D.C. Dulles Intl

Mon 11/23

7:40 pm-10:30 pm

3 stops20h 50m

Charleroi Brussels

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$379

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Mon 11/23

5:15 pm-5:15 pm

1 stop18h 00m

Brussels Bruxelles-National

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$382

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels

IADCRL

Washington, D.C. Dulles Intl

Mon 11/30

5:25 pm-8:20 am

3 stops32h 55m

Charleroi Brussels

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$388

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Wed 10/28

11:30 pm-11:00 am

1 stop30h 30m

Brussels Bruxelles-National

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$479

Washington, D.C.Brussels

IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National

IADBRU

Washington, D.C. Dulles Intl

Fri 10/16

10:50 pm-11:00 am

1 stop30h 10m

Brussels Bruxelles-National

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 50 resultsSorted by cheapest first

...

Best time to book a flight from Dulles Intl to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from Dulles Intl with our price prediction graph.

IAD-BRU

IAD-CRL

IAD-ANR

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Belgium

IAD-BE0

IAD-BRU

IAD-CRL

IAD-ANR

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Belgium?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belgium (average of $558). Flying from Washington, D.C. Dulles Intl Airport to Belgium in June is currently the most expensive (average of $1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to BE?

When flying from Washington, D.C. Dulles Intl Airport to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Belgium

The most flights from IAD to BE0 are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Belgium, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Belgium

Get a feel of what it's like to fly with Scandinavian Airlines,United Airlines, andAer Lingus from Washington, D.C. Dulles Intl Airport to Belgium by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Scandinavian Airlines

7.4

Good

1,986 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Scandinavian Airlines

7.4

Good

1,986 reviews

Scandinavian Airlines

7.4

Good

1,986 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

United Airlines

7.4

Good

10,212 reviews

Scandinavian Airlines

7.4

Good

1,986 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Aer Lingus

7.3

Good

1,757 reviews

Scandinavian Airlines

7.4

Good

1,986 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Brussels Airlines

7.2

Good

430 reviews

Scandinavian Airlines

7.4

Good

1,986 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Icelandair

6.9

Okay

743 reviews

Scandinavian Airlines

7.4

Good

1,986 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Belgium?
ITA Airways, United Airlines, and British Airways can get you from Washington, D.C. Dulles Intl Airport to Belgium in just under 12h 55m. Your travel time can differ by up to 6h 35m. There are 3879 mi between Washington, D.C. Dulles Intl Airport and Belgium. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Belgium one-way?
One-way options have recently been found by users for as low as $232 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from $456 and TAP AIR PORTUGAL from $496 one-way.
What are the most popular routes from Washington, D.C. Dulles Intl Airport to Belgium?
While some choose either Washington, D.C. Dulles Intl - Charleroi Brussels or Washington, D.C. Dulles Intl - Antwerp Deurne, Washington, D.C. Dulles Intl - Brussels Bruxelles-National is the most popular route from Washington, D.C. Dulles Intl Airport to Belgium.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Belgium?
No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Belgium consider choosing Brussels Airlines (54%), United Airlines (54%) or Air Canada (35%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Belgium?
The cheapest flight price from Washington, D.C. Dulles Intl Airport to Belgium is $467. On average you can expect to pay $2,638. The most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), can usually be booked for $496.
Can I find deals for flights from Dulles Intl to Belgium that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Belgium?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Belgium.
Can I find deals for business class flights from Dulles Intl to Belgium?
Yes. Cheapflights offers flight deals from Dulles Intl to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Belgium?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belgium (average of $558). Flying from Washington, D.C. Dulles Intl Airport to Belgium in June is currently the most expensive (average of $1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Baltimore to Madrid flights

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Dulles Intl to Luton flights

Dulles Intl to Munich flights

Reagan-National to Leonardo da Vinci/Fiumicino flights

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Baltimore to Leonardo da Vinci/Fiumicino flights

Baltimore to Keflavik Intl flights

Baltimore to Istanbul flights

Dulles Intl to Keflavik Intl flights

Reagan-National to Lisbon flights

Baltimore to Frankfurt flights

Baltimore to Lisbon flights

Baltimore to Dublin flights

Dulles Intl to Zurich flights

Dulles Intl to Vicenza flights

Baltimore to Barcelona-El Prat flights

Reagan-National to Barcelona-El Prat flights

Dulles Intl to Vienna flights

Reagan-National to Keflavik Intl flights

Top 8 airlines flying from Dulles Intl to Belgium

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$385	Average$676	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$440	Average$704	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$465	Average$606	FlexibilityNo cancel fee	On-time77%
Turkish Airlines	Cheapest$531	Average$633	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$539	Average$826	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$762	Average$1,270	FlexibilityNo cancel fee	On-time76%
Brussels Airlines	Cheapest$762	Average$1,535	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$762	Average$1,223	FlexibilityNo cancel fee	On-time69%

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$324+ Cheap flights from Dulles Intl (IAD) to Belgium

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Belgium

Cheapest flights from Dulles Intl to BelgiumExplore the most affordable flight options available from Dulles Intl to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.

Explore the most affordable flight options available from Dulles Intl to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.

Best flights from Dulles Intl to BelgiumDiscover carefully curated flight deals from Dulles Intl to Belgium that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Discover carefully curated flight deals from Dulles Intl to Belgium that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Last-minute flights from Dulles Intl to BelgiumDiscover last-minute flight deals from Dulles Intl to Belgium. Data last updated September 12, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Belgium. Data last updated September 12, 2026 and is based on user searches.

One-way flights from Dulles Intl to BelgiumSearch for one-way flight options from Dulles Intl to Belgium. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

Search for one-way flight options from Dulles Intl to Belgium. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

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What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Belgium?

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Find hourly flight availability from Dulles Intl to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 12, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Belgium

The most flights from IAD to BE0 are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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Dulles Intl and Belgium flights

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Dulles Intl to Belgium flights

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Top 8 airlines flying from Dulles Intl to Belgium

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Cheapest flights from Dulles Intl to Belgium
Explore the most affordable flight options available from Dulles Intl to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.

Best flights from Dulles Intl to Belgium
Discover carefully curated flight deals from Dulles Intl to Belgium that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Last-minute flights from Dulles Intl to Belgium
Discover last-minute flight deals from Dulles Intl to Belgium. Data last updated September 12, 2026 and is based on user searches.

One-way flights from Dulles Intl to Belgium
Search for one-way flight options from Dulles Intl to Belgium. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.