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$266+ Cheap flights from Dulles Intl (IAD) to Brussels

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BRU
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Brussels are usually found in April or September, booked 83 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Dulles Intl to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$496
(Cheapflightsfares)

One-way from

$266
(Mytrip)

Popular in

July

Cheapest in

April

Average price

$1,162
From Washington, D.C. Dulles Intl to Brussels
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One-way flight from Washington, D.C. Dulles Intl to Brussels
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High demand for flights, 16% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Dulles Intl to Brussels

Cheapest flights from Dulles Intl to Brussels
Explore the most affordable flight options available from Dulles Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This FlightHub deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/305:10 pmIAD - BRU
1 stop10h 40mScandinavian Airlines
Wed 1/812:45 pmBRU - IAD
2 stops32h 55mScandinavian Airlines
Deal found 12/17$652
This Gotogate deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:40 pmIAD - BRU
2 stops18h 10mMultiple Airlines
Sat 9/137:10 pmBRU - IAD
2 stops33h 00mMultiple Airlines
Deal found 12/17$886
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:10 pmIAD - BRU
3 stops32h 45mAir Canada
Wed 1/810:00 amBRU - IAD
2 stops29h 46mAir Canada
Deal found 12/17$1,101
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:45 pmIAD - CRL
2 stops19h 50mMultiple Airlines
Sat 9/137:50 amCRL - IAD
1 stop13h 30mMultiple Airlines
Deal found 12/17$1,170
This FlightHub deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:10 pmIAD - BRU
1 stop19h 05mAer Lingus
Sat 1/1110:15 amBRU - IAD
1 stop11h 25mAer Lingus
Deal found 12/18$1,242
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:50 pmIAD - BRU
Nonstop7h 25mAustrian Airlines
Wed 1/87:50 pmBRU - IAD
1 stop24h 45mAustrian Airlines
Deal found 12/17$1,252
This American Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:10 pmIAD - BRU
1 stop19h 05mAmerican Airlines
Sat 1/119:50 amBRU - IAD
2 stops15h 45mAmerican Airlines
Deal found 12/18$1,324
This FlightHub deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:00 pmIAD - BRU
1 stop14h 45mTurkish Airlines
Mon 1/67:50 amBRU - IAD
1 stop17h 40mTurkish Airlines
Deal found 12/17$1,370
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:50 pmIAD - BRU
Nonstop7h 25mUnited Airlines
Wed 1/811:55 amBRU - IAD
Nonstop8h 40mUnited Airlines
Deal found 12/17$1,385
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/237:15 pmIAD - BRU
1 stop15h 45mTAP AIR PORTUGAL
Tue 1/145:50 pmBRU - IAD
1 stop33h 10mTAP AIR PORTUGAL
Deal found 12/17$1,487
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:50 pmIAD - BRU
Nonstop7h 25mSWISS
Wed 1/88:10 pmBRU - IAD
1 stop26h 15mSWISS
Deal found 12/17$1,632
This CrystalTravel deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2510:20 pmIAD - BRU
1 stop11h 45mLufthansa
Wed 1/11:00 pmBRU - IAD
1 stop13h 05mLufthansa
Deal found 12/18$1,648

Find flights from Dulles Intl to Brussels within your budget

Customize your flight search to find flights from Dulles Intl to Brussels that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 2/12

5:10 pm-12:05 pm

2 stops12h 55m

Brussels Bruxelles-National

Sun 2/23

8:15 pm-3:40 pm

2 stops25h 25m

$496

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 1/21

5:10 pm-6:15 pm

1 stop19h 05m

Brussels Bruxelles-National

Fri 1/31

10:15 am-3:40 pm

1 stop11h 25m

$569

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 3/12

2:30 pm-10:00 pm

1 stop26h 30m

Brussels Bruxelles-National

Mon 3/17

3:20 pm-8:30 pm

1 stop34h 10m

$586

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 2/9

10:30 pm-11:00 am

1 stop30h 30m

Brussels Bruxelles-National

Tue 2/18

6:00 am-2:30 pm

1 stop14h 30m

$592

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Fri 1/31

10:30 pm-9:00 am

3 stops28h 30m

Brussels Bruxelles-National

Fri 2/7

6:25 am-9:00 pm

2 stops20h 35m

$635

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 1/8

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 1/23

12:50 pm-6:25 pm

1 stop11h 35m

$650

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 2/9

8:40 pm-4:35 pm

1 stop13h 55m

Brussels Bruxelles-National

Tue 2/18

5:35 pm-6:40 pm

1 stop31h 05m

$666

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 3/19

11:30 pm-4:00 pm

1 stop11h 30m

Charleroi Brussels

Wed 3/26

7:40 am-7:40 pm

2 stops17h 00m

$734

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 3/18

8:22 am-7:55 am

2 stops18h 33m

Brussels Bruxelles-National

Wed 3/26

10:00 am-11:53 am

2 stops30h 53m

$737

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 1/22

7:40 pm-8:50 pm

2 stops19h 10m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 24 results
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Best time to book a flight from Dulles Intl to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels 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.

Travel insights for flights from Dulles Intl to Brussels

Get recent, data-driven insights about flights from Dulles Intl to Brussels including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Brussels. Price data was last updated on December 13, 2024.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Brussels is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brussels (average of $614). Flying from Washington, D.C. Dulles Intl Airport to Brussels in June is currently the most expensive (average of $1,146). 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 BRU?

Find hourly flight availability from Dulles Intl to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Brussels is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.

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

Explore weekly flight availability from Dulles Intl to Brussels. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2024.

The most flights from IAD to BR1 are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels 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 Brussels when rainfall is around 1.6 in.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels, 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).

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brussels. Reviews last updated December 18, 2024.
Read reviews from past customers who have flown Scandinavian Airlines, Turkish Airlines and SWISS from Washington, D.C. to Brussels. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,606 reviews

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Crew

8.2

Overall

7.6

Food

7.1

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS
7.6
Good
1,606 reviews
SWISS
7.6
Good
1,606 reviews

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Crew

8.2

Overall

7.6

Food

7.1

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

United Airlines
7.4
Good
9,055 reviews
SWISS
7.6
Good
1,606 reviews

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Crew

8.2

Overall

7.6

Food

7.1

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Brussels Airlines
7.4
Good
353 reviews
SWISS
7.6
Good
1,606 reviews

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Crew

8.2

Overall

7.6

Food

7.1

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Turkish Airlines
7.3
Good
3,907 reviews
SWISS
7.6
Good
1,606 reviews

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Crew

8.2

Overall

7.6

Food

7.1

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Scandinavian Airlines
7.3
Good
1,309 reviews
SWISS
7.6
Good
1,606 reviews

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Crew

8.2

Overall

7.6

Food

7.1

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

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

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Brussels round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Brussels is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $496 on this airline. Additional options worth looking into are Aer Lingus and Turkish Airlines, starting at $569 and $586 round-trip. These flights start at 44% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $337 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from $363 and TAP AIR PORTUGAL from $505 one-way.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Brussels are Air Canada (58%), Austrian Airlines (58%) and Brussels Airlines (58%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Brussels is $572. On average you can expect to pay $2,041. The most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), can usually be booked for $439.

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

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

  • How can I find direct flights from Dulles Intl to Brussels?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Brussels 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 Brussels?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brussels (average of $614). Flying from Washington, D.C. Dulles Intl Airport to Brussels in June is currently the most expensive (average of $1,146). 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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Top 10 airlines flying from Dulles Intl to Brussels

Discover the top 10 airlines that operate flights from Dulles Intl to Brussels. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$369Average$685FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$374Average$556FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$390Average$682FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$516Average$807FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$519Average$761FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$537Average$780FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$596Average$1,032FlexibilityNo cancel feeOn-time77%
DeltaCheapest$669Average$1,378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$685Average$1,100FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$686Average$1,124FlexibilityNo cancel feeOn-time76%
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