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

Scandinavian Airlines can get you from Washington, D.C. Dulles Intl Airport to Belgium in just under 14h 10m. Your travel time can differ by up to . There are 3879 mi between Washington, D.C. Dulles Intl Airport and Belgium.

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 $483. On average you can expect to pay $1,365. The most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), can usually be booked for $428.

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 (53%), United Airlines (53%) or Air Canada (31%) 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 British Airways, Aer Lingus or Icelandair as they are the most popular for this route.

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

To save up to 15% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Dulles Intl Airport to Belgium from $528 1-2 weeks out and tickets from $551 for flights departing within the next 72 hours.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Belgium. Flights to Belgium from Washington, D.C. Dulles Intl Airport in January are about $813 on average during January, but can be found for as low as $393.

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.

$243+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Belgium

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Cheap flight deals from Dulles Intl to Belgium

Round-trip from	$479 (FlightHub)
One-way from	$243 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$671
Good round-trip deal	$732 or less
Good one-way deal	$558 or less

From Washington, D.C. Dulles Intl to Belgium

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

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Highest demand for flights based on searches. 7% potential increase in price ($70 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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

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

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Find flight deals from Dulles Intl to Belgium

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 15, 2025.

Mon 12/15:30 pmIAD - BRU

1 stop17h 35mTAP AIR PORTUGAL

Mon 12/86:00 amBRU - IAD

1 stop15h 15mTAP AIR PORTUGAL

Deal found 9/14

$479

Tue 11/115:30 pmIAD - BRU

1 stop24h 20mTAP AIR PORTUGAL

Mon 11/175:55 pmBRU - IAD

1 stop26h 40mTAP AIR PORTUGAL

Deal found 9/11

$480

Sun 10/510:20 pmIAD - BRU

1 stop30h 40mTAP AIR PORTUGAL

Tue 10/218:55 pmBRU - IAD

1 stop24h 25mTAP AIR PORTUGAL

Deal found 9/12

$483

Sat 10/410:35 pmIAD - BRU

1 stop30h 25mTAP AIR PORTUGAL

Wed 10/225:55 amBRU - IAD

1 stop15h 25mTAP AIR PORTUGAL

Deal found 9/13

$484

Wed 9/2410:05 pmIAD - BRU

1 stop11h 15mScandinavian Airlines

Wed 4/229:10 pmBRU - IAD

2 stops25h 40mScandinavian Airlines

Deal found 9/12

$485

Mon 10/279:30 pmIAD - BRU

2 stops32h 20mScandinavian Airlines

Mon 11/310:20 amBRU - IAD

1 stop12h 55mScandinavian Airlines

Deal found 9/12

$487

Mon 11/108:30 pmIAD - BRU

1 stop12h 00mScandinavian Airlines

Thu 11/1310:20 amBRU - IAD

1 stop12h 55mScandinavian Airlines

Deal found 9/12

$490

Sun 10/510:05 pmIAD - BRU

1 stop11h 15mScandinavian Airlines

Wed 10/2210:55 amBRU - IAD

2 stops15h 04mScandinavian Airlines

Deal found 9/14

$492

Thu 10/2310:05 pmIAD - BRU

1 stop15h 45mScandinavian Airlines

Thu 10/3010:20 amBRU - IAD

1 stop12h 55mScandinavian Airlines

Deal found 9/13

$494

Mon 10/139:35 amIAD - CRL

2 stops28h 30mMultiple Airlines

Mon 10/206:30 pmCRL - IAD

2 stops27h 20mMultiple Airlines

Deal found 9/14

$565

Wed 10/229:35 amIAD - CRL

2 stops20h 25mMultiple Airlines

Wed 10/296:55 amCRL - IAD

2 stops19h 10mMultiple Airlines

Deal found 9/14

$575

Tue 10/145:00 pmIAD - CRL

2 stops23h 55mMultiple Airlines

Tue 10/216:50 pmCRL - IAD

2 stops26h 30mMultiple Airlines

Deal found 9/14

$584

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 15, 2025.

Wed 9/2410:05 pmIAD - BRU

2 stops14h 10mScandinavian Airlines

Wed 4/229:10 pmBRU - IAD

2 stops25h 40mScandinavian Airlines

Deal found 9/14

$519

Fri 1/912:30 pmIAD - BRU

2 stops19h 15mMultiple Airlines

Sun 1/188:30 pmBRU - IAD

1 stop24h 50mMultiple Airlines

Deal found 9/13

$551

Mon 10/139:35 amIAD - CRL

2 stops28h 30mMultiple Airlines

Mon 10/206:30 pmCRL - IAD

2 stops27h 20mMultiple Airlines

Deal found 9/14

$565

Wed 10/229:35 amIAD - CRL

2 stops20h 25mMultiple Airlines

Wed 10/296:55 amCRL - IAD

2 stops19h 10mMultiple Airlines

Deal found 9/14

$575

Fri 2/612:30 pmIAD - BRU

2 stops15h 10mScandinavian Airlines

Wed 2/1110:20 amBRU - IAD

1 stop12h 55mScandinavian Airlines

Deal found 9/13

$675

Tue 10/145:00 pmIAD - CRL

2 stops23h 55mMultiple Airlines

Tue 10/216:50 pmCRL - IAD

2 stops26h 30mMultiple Airlines

Deal found 9/14

$584

Mon 12/158:30 pmIAD - BRU

2 stops32h 20mScandinavian Airlines

Thu 12/2510:20 amBRU - IAD

1 stop12h 55mScandinavian Airlines

Deal found 9/14

$677

Mon 11/108:30 pmIAD - BRU

2 stops16h 10mMultiple Airlines

Sat 11/156:30 amBRU - IAD

2 stops18h 20mMultiple Airlines

Deal found 9/13

$617

Sun 2/2212:30 pmIAD - BRU

2 stops20h 00mScandinavian Airlines

Thu 2/2610:20 amBRU - IAD

1 stop12h 55mScandinavian Airlines

Deal found 9/11

$700

Sun 10/510:05 pmIAD - BRU

2 stops16h 30mMultiple Airlines

Tue 10/218:55 pmBRU - IAD

2 stops28h 23mMultiple Airlines

Deal found 9/14

$619

Mon 10/64:30 pmIAD - CRL

2 stops19h 55mMultiple Airlines

Wed 10/811:05 amCRL - IAD

2 stops33h 35mMultiple Airlines

Deal found 9/14

$624

Thu 10/910:05 pmIAD - BRU

2 stops14h 10mMultiple Airlines

Tue 10/148:55 pmBRU - IAD

2 stops28h 23mMultiple Airlines

Deal found 9/14

$652

Last-minute flights from Dulles Intl to Belgium
Discover last-minute flight deals from Dulles Intl to Belgium. Data last updated September 15, 2025 and is based on user searches.

Wed 9/2410:05 pmIAD - BRU

1 stop11h 15mScandinavian Airlines

Wed 4/229:10 pmBRU - IAD

2 stops25h 40mScandinavian Airlines

Deal found 9/12

$485

Sat 10/410:35 pmIAD - BRU

1 stop30h 25mTAP AIR PORTUGAL

Wed 10/225:55 amBRU - IAD

1 stop15h 25mTAP AIR PORTUGAL

Deal found 9/13

$484

Sun 10/510:20 pmIAD - BRU

1 stop30h 40mTAP AIR PORTUGAL

Tue 10/218:55 pmBRU - IAD

1 stop24h 25mTAP AIR PORTUGAL

Deal found 9/12

$483

Sun 10/510:05 pmIAD - BRU

1 stop11h 15mScandinavian Airlines

Wed 10/2210:55 amBRU - IAD

2 stops15h 04mScandinavian Airlines

Deal found 9/14

$492

Sun 10/510:05 pmIAD - BRU

2 stops31h 55mScandinavian Airlines

Tue 10/2112:40 pmBRU - IAD

2 stops37h 19mScandinavian Airlines

Deal found 9/12

$503

Mon 10/139:35 amIAD - CRL

2 stops28h 30mMultiple Airlines

Mon 10/206:30 pmCRL - IAD

2 stops27h 20mMultiple Airlines

Deal found 9/14

$565

Tue 10/145:00 pmIAD - CRL

2 stops23h 55mMultiple Airlines

Tue 10/216:50 pmCRL - IAD

2 stops26h 30mMultiple Airlines

Deal found 9/14

$584

Wed 10/1510:05 pmIAD - BRU

2 stops14h 10mScandinavian Airlines

Wed 10/2210:55 amBRU - IAD

2 stops15h 04mScandinavian Airlines

Deal found 9/14

$499

Sun 10/1910:05 pmIAD - BRU

2 stops16h 30mScandinavian Airlines

Wed 10/2210:55 amBRU - IAD

2 stops15h 04mScandinavian Airlines

Deal found 9/12

$502

Wed 10/229:35 amIAD - CRL

2 stops20h 25mMultiple Airlines

Wed 10/296:55 amCRL - IAD

2 stops19h 10mMultiple Airlines

Deal found 9/14

$575

Thu 10/2310:05 pmIAD - BRU

1 stop15h 45mScandinavian Airlines

Thu 10/3010:20 amBRU - IAD

1 stop12h 55mScandinavian Airlines

Deal found 9/13

$494

Mon 10/279:30 pmIAD - BRU

2 stops32h 20mScandinavian Airlines

Mon 11/310:20 amBRU - IAD

1 stop12h 55mScandinavian Airlines

Deal found 9/12

$487

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 15, 2025.

Mon 10/1310:20 pmIAD - CRL

2 stops15h 45mMultiple Airlines

Deal found 9/14

$243

Sun 10/195:45 pmIAD - BRU

2 stops34h 00mMultiple Airlines

Deal found 9/12

$252

Sat 10/2510:20 pmIAD - BRU

2 stops30h 05mMultiple Airlines

Deal found 9/12

$268

Mon 10/276:30 pmIAD - BRU

2 stops18h 15mMultiple Airlines

Deal found 9/12

$270

Tue 10/286:30 pmIAD - BRU

2 stops34h 20mMultiple Airlines

Deal found 9/13

$277

Sat 10/410:35 pmIAD - CRL

2 stops30h 25mMultiple Airlines

Deal found 9/14

$281

Tue 10/286:30 pmIAD - CRL

2 stops32h 45mMultiple Airlines

Deal found 9/13

$286

Sun 10/510:20 pmIAD - CRL

3 stops33h 45mMultiple Airlines

Deal found 9/12

$292

Fri 10/245:00 pmIAD - BRU

2 stops38h 50mMultiple Airlines

Deal found 9/12

$292

Thu 10/165:50 pmIAD - BRU

1 stop11h 10mTAP AIR PORTUGAL

Deal found 9/13

$293

Sun 10/195:45 pmIAD - BRU

1 stop15h 20mTAP AIR PORTUGAL

Deal found 9/12

$298

Tue 10/710:20 pmIAD - CRL

3 stops32h 40mMultiple Airlines

Deal found 9/14

$306

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

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/24

10:05 pm-6:15 pm

2 stops14h 10m

Brussels Bruxelles-National

Wed 4/22

9:10 pm-4:50 pm

2 stops25h 40m

$519

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Fri 1/9

12:30 pm-1:45 pm

2 stops19h 15m

Brussels Bruxelles-National

Sun 1/18

8:30 pm-3:20 pm

1 stop24h 50m

$551

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Mon 10/13

9:35 am-8:05 pm

2 stops28h 30m

Charleroi Brussels

Mon 10/20

6:30 pm-3:50 pm

2 stops27h 20m

$565

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 10/22

9:35 am-12:00 pm

2 stops20h 25m

Charleroi Brussels

Wed 10/29

6:55 am-9:05 pm

2 stops19h 10m

$575

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 10/14

5:00 pm-10:55 pm

2 stops23h 55m

Charleroi Brussels

Tue 10/21

6:50 pm-3:20 pm

2 stops26h 30m

$584

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 11/10

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Sat 11/15

6:30 am-6:50 pm

2 stops18h 20m

$617

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 10/5

10:05 pm-8:35 pm

2 stops16h 30m

Brussels Bruxelles-National

Tue 10/21

8:55 pm-7:18 pm

2 stops28h 23m

$619

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Mon 10/6

4:30 pm-6:25 pm

2 stops19h 55m

Charleroi Brussels

Wed 10/8

11:05 am-2:40 pm

2 stops33h 35m

$624

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 10/9

10:05 pm-6:15 pm

2 stops14h 10m

Brussels Bruxelles-National

Tue 10/14

8:55 pm-7:18 pm

2 stops28h 23m

$652

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 11/19

8:30 pm-10:50 am

2 stops32h 20m

Brussels Bruxelles-National

Wed 11/26

9:05 pm-7:08 pm

2 stops28h 03m

$674

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 43 results

...

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.

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

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 $614). Flying from Washington, D.C. Dulles Intl Airport to Belgium in June is currently the most expensive (average of $1,077). 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).

Reviews of airlines servicing Belgium

Get a feel of what it's like to fly with Scandinavian Airlines, United Airlines, and Brussels Airlines 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

1,484 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Scandinavian Airlines

7.4

Good

1,484 reviews

Scandinavian Airlines

7.4

Good

1,484 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

United Airlines

7.4

Good

8,931 reviews

Scandinavian Airlines

7.4

Good

1,484 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Brussels Airlines

7.3

Good

359 reviews

Scandinavian Airlines

7.4

Good

1,484 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Aer Lingus

7.2

Good

1,271 reviews

Scandinavian Airlines

7.4

Good

1,484 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Icelandair

7.0

Good

546 reviews

Scandinavian Airlines

7.4

Good

1,484 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Belgium?
Scandinavian Airlines can get you from Washington, D.C. Dulles Intl Airport to Belgium in just under 14h 10m. Your travel time can differ by up to . There are 3879 mi between Washington, D.C. Dulles Intl Airport and Belgium.
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 (53%), United Airlines (53%) or Air Canada (31%) 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 $483. On average you can expect to pay $1,365. The most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), can usually be booked for $428.
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 $614). Flying from Washington, D.C. Dulles Intl Airport to Belgium in June is currently the most expensive (average of $1,077). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Belgium

Dulles Intl to Heathrow flights

Dulles Intl to Charles de Gaulle flights

Baltimore to Heathrow flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Madrid flights

Reagan-National to Heathrow flights

Dulles Intl to Istanbul flights

Dulles Intl to Gatwick flights

Dulles Intl to Dublin flights

Dulles Intl to London City flights

Dulles Intl to Zurich flights

Baltimore to Gatwick flights

Dulles Intl to Barcelona-El Prat flights

Dulles Intl to Lisbon flights

Baltimore to Charles de Gaulle flights

Dulles Intl to Orly flights

Reagan-National to Gatwick flights

Reagan-National to Charles de Gaulle flights

Reagan-National to Madrid flights

Baltimore to Madrid flights

Dulles Intl to Frankfurt flights

Baltimore to Leonardo da Vinci/Fiumicino flights

Reagan-National to Orly flights

Dulles Intl to Munich flights

Dulles Intl to Athens flights

Reagan-National to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Keflavik Intl flights

Dulles Intl to Bruxelles-National flights

Dulles Intl to Stansted flights

Dulles Intl to Amsterdam flights

Dulles Intl to Vienna flights

Reagan-National to Istanbul flights

Dulles Intl to Luton flights

Baltimore to Keflavik Intl flights

Baltimore to Lisbon flights

Dulles Intl to Geneva flights

Dulles Intl to Edinburgh flights

Reagan-National to Lisbon flights

Baltimore to Istanbul flights

Baltimore to Dublin flights

Reagan-National to Dublin flights

Reagan-National to Barcelona-El Prat flights

Reagan-National to Keflavik Intl flights

Baltimore to Barcelona-El Prat flights

Baltimore to London City flights

Baltimore to Zurich flights

Reagan-National to Zurich flights

Reagan-National to London City flights

Dulles Intl to Malpensa flights

Baltimore to Luton flights

Top 10 airlines flying from Dulles Intl to Belgium

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$408	Average$556	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$452	Average$750	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$492	Average$953	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$496	Average$748	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$551	Average$650	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$557	Average$771	FlexibilityNo cancel fee	On-time70%
Aer Lingus	Cheapest$561	Average$789	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$601	Average$982	FlexibilityNo cancel fee	On-time69%
Brussels Airlines	Cheapest$633	Average$1,040	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$686	Average$1,089	FlexibilityNo cancel fee	On-time76%

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$243+ Cheap flights from Dulles Intl (IAD) to Belgium

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Belgium with Cheapflights

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Cheap flight deals from Dulles Intl to Belgium

Keep the following information in mind while searching for Dulles Intl to Belgium flight deals. Data was last updated September 15, 2025.

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Find 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 15, 2025.

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 15, 2025.

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Everything you need to know about your 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 15, 2025.

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

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Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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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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Alternative routes for 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 15, 2025.