United's Polaris offers lie-flat seats and Saks Fifth Avenue bedding for ultimate comfort.
Premium Plus includes extra legroom seats, upgraded meals, and priority check-in on international flights.
$370+ Cheap flights from Bruxelles-National (BRU) to Dulles Intl (IAD)
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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
Nov 15 — Nov 221
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Bruxelles-National to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Brussels Bruxelles-National to Washington, D.C. Dulles Intl are usually found in May or January, booked 51 days in advance, depart on a Wednesday or Friday and return on a Wednesday
Cheap flight deals from Bruxelles-National to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) to Dulles Intl (IAD). 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 October 16, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $514 (Mytrip) |
One-way from | $370 (Finnair) |
Popular in | December |
Cheapest in | May |
Average price | $620 |
Good round-trip deal | $711 or less |
Good one-way deal | $574 or less |
Find flight deals from Bruxelles-National to Dulles Intl
Cheapest flights from Bruxelles-National to Dulles IntlExplore the most affordable flight options available from Bruxelles-National to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.
Explore the most affordable flight options available from Bruxelles-National to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Wed 11/1910:15 amBRU - IAD
1 stop15h 15mAer Lingus
Sun 11/235:05 pmIAD - BRU
1 stop10h 30mAer Lingus
Deal found 10/15![Aer Lingus logo]()
$514
This AirNGo deal was found by Cheapflights users on 10/15. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:50 pmBRU - IAD
1 stop11h 40mIcelandair
Wed 11/127:40 pmIAD - BRU
1 stop10h 15mIcelandair
Deal found 10/15![Icelandair logo]()
$521
This Mytrip deal was found by Cheapflights users on 10/16. 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.
Thu 11/2710:15 amBRU - IAD
1 stop11h 20mAer Lingus
Mon 12/15:05 pmIAD - BRU
1 stop10h 30mAer Lingus
Deal found 10/16![Aer Lingus logo]()
$534
This Mytrip deal was found by Cheapflights users on 10/16. 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.
Thu 11/610:15 amBRU - IAD
1 stop15h 15mAer Lingus
Sat 11/155:05 pmIAD - BRU
1 stop10h 30mAer Lingus
Deal found 10/16![Aer Lingus logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Sun 12/1411:50 amBRU - IAD
1 stop15h 10mTAP AIR PORTUGAL
Sat 1/105:30 pmIAD - BRU
1 stop11h 30mTAP AIR PORTUGAL
Deal found 10/14![TAP AIR PORTUGAL logo]()
$543
This Expedia deal was found by Cheapflights users on 10/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:15 amBRU - IAD
1 stop15h 15mAer Lingus
Sun 11/165:05 pmIAD - BRU
1 stop10h 30mAer Lingus
Deal found 10/16![Aer Lingus logo]()
$545
This Trip.com deal was found by Cheapflights users on 10/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:40 amBRU - IAD
2 stops35h 35mMultiple Airlines
Tue 12/25:30 pmIAD - BRU
2 stops16h 55mMultiple Airlines
Deal found 10/16![Multiple Airlines logo]()
$546
This Gotogate deal was found by Cheapflights users on 10/16. 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.
Wed 12/175:55 pmBRU - IAD
1 stop27h 20mTAP AIR PORTUGAL
Wed 1/710:30 pmIAD - BRU
1 stop19h 20mTAP AIR PORTUGAL
Deal found 10/16![TAP AIR PORTUGAL logo]()
$552
This FlightHub deal was found by Cheapflights users on 10/16. 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.
Fri 11/712:50 pmBRU - IAD
1 stop11h 40mIcelandair
Wed 11/127:40 pmIAD - BRU
1 stop10h 15mIcelandair
Deal found 10/16![Icelandair logo]()
$560
Cheapflights Fare Finder
Customize your flight search to find flights from Bruxelles-National to Dulles Intl 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 October 16, 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Bruxelles-National
Fly to
Dulles Intl
Route
Depart
Return
Price
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Thu 3/12
10:20 am-6:15 pm
1 stop12h 55m
Washington, D.C. Dulles Intl
Mon 3/16
9:30 pm-9:40 am
1 stop31h 10m
$524
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Thu 11/27
10:20 am-5:15 pm
1 stop12h 55m
Washington, D.C. Dulles Intl
Mon 12/1
8:30 pm-7:50 pm
1 stop17h 20m
$549
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Sun 12/14
6:00 am-9:00 pm
1 stop21h 00m
Washington, D.C. Dulles Intl
Fri 1/9
10:30 pm-5:05 pm
1 stop12h 35m
$596
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Mon 12/15
6:00 am-3:15 pm
1 stop15h 15m
Washington, D.C. Dulles Intl
Sun 1/11
10:30 pm-11:50 pm
1 stop19h 20m
$596
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Sun 12/14
6:00 am-9:00 pm
1 stop21h 00m
Washington, D.C. Dulles Intl
Sun 1/11
10:30 pm-5:05 pm
1 stop12h 35m
$596
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Thu 12/25
6:00 am-3:15 pm
1 stop15h 15m
Washington, D.C. Dulles Intl
Tue 12/30
5:30 pm-11:50 pm
1 stop24h 20m
$596
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Thu 10/30
10:45 am-5:05 pm
1 stop11h 20m
Washington, D.C. Dulles Intl
Wed 11/12
10:05 am-7:35 am
2 stops15h 30m
$606
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Thu 10/30
6:15 am-5:05 pm
1 stop15h 50m
Washington, D.C. Dulles Intl
Thu 11/6
12:09 pm-10:10 am
2 stops16h 01m
$606
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Thu 11/27
8:05 am-4:05 pm
1 stop14h 00m
Washington, D.C. Dulles Intl
Mon 12/1
12:11 pm-7:35 am
2 stops13h 24m
$609
BrusselsWashington, D.C.
BRU - IAD
BRUIAD
Brussels Bruxelles-National
Thu 3/19
3:00 pm-8:55 pm
1 stop10h 55m
$376
Showing 1-10 of 17 results
Compare providers for flights from Bruxelles-National to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bruxelles-National to Dulles Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Brussels Bruxelles-National Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Brussels Bruxelles-National Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Brussels Bruxelles-National Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Brussels Bruxelles-National Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Brussels Bruxelles-National Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Bruxelles-National to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Bruxelles-National 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 Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Bruxelles-National to Dulles Intl. Price data was last updated on October 10, 2025.
Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?
Currently, June is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport (average of $419). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $528). 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 BRU to IAD?
Find hourly flight availability from Bruxelles-National to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.
It’s optimal to fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.
How often are flights from Brussels to Washington, D.C. delayed?
About 13% of weekly flights between Brussels and Washington, D.C. have experienced delays in the past year, with the average delay time being 150 minutes.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
What’s the top layover airport for flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?
Share of 1-stop round-trip flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
London (LHR) – chosen by Cheapflights users on 67% of 1-stop itineraries from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport on Cheapflights.
What’s the fastest layover option from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?
Shortest average travel time for 1-stop one-way flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 10h 55m.
What’s the fastest layover option from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?
Shortest average travel time for 1-stop one-way flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 10h 55m.
Which airport typically offers the quickest layover for flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?
Average layover duration for 1-stop one-way flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Rome (FCO) offer the fastest connection on this route, with an average layover time of 1h 10m.
The best insider tips for Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport trip
Airlines
![United Airlines]()
United Airlines
![Brussels Airlines]()
Brussels Airlines
Business class offers lie-flat beds and access to the largest beer selection in the sky.
Economy class includes seatback entertainment and a free meal on long-haul flights.
![Lufthansa]()
Lufthansa
Lufthansa's Allegris economy offers 31-inch pitch seats with adjustable headrests for added comfort.
Premium economy features hard-shell seats with generous recline and upgraded meals.
Our travel experts
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated October 16, 2025.
Read through reviews of airlines operating flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport, such as United Airlines, Brussels Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.6
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.6
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.6
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.6
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.6
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Related info for your journey
Find useful and relevant information for your journey from Bruxelles-National to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Woodbridge
Arlington
Tysons
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
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Waldorf
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Alternative routes for Bruxelles-National to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Bruxelles-National to Dulles Intl
Discover the top 4 airlines that operate flights from Bruxelles-National to Dulles Intl. 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 October 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$456 | Average$558 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$470 | Average$643 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$496 | Average$667 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$528 | Average$728 | FlexibilityNo cancel fee | On-time76% |