$696 Cheap Aer Lingus flights Brussels (BRU) to Washington (IAD)

View $696 flight on Wed, Nov 5, 2025Opens in a new window

$696 Cheap Aer Lingus flights Brussels (BRU) to Washington (IAD)

Prices were available within the past 7 days and start at $696 for one-way flights and $508 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Sat, Jan 17 - Thu, Jan 22
BRU
Brussels
IAD
Washington
$508 Roundtrip, found 6 days ago
$508
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Sat, Jan 17 from Brussels to Washington, returning Thu, Jan 22, priced at $508 found 6 days ago
Aer Lingus
Wed, Sep 17 - Sun, Sep 21
BRU
Brussels
IAD
Washington
$512 Roundtrip, found 1 day ago
$512
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Sep 17 from Brussels to Washington, returning Sun, Sep 21, priced at $512 found 1 day ago
Aer Lingus
Sat, Sep 13 - Fri, Oct 10
BRU
Brussels
IAD
Washington
$515 Roundtrip, found 1 hour ago
$515
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Sat, Sep 13 from Brussels to Washington, returning Fri, Oct 10, priced at $515 found 1 hour ago
Aer Lingus
Wed, Sep 17 - Sun, Sep 21
BRU
Brussels
IAD
Washington
$522 Roundtrip, found 1 day ago
$522
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Sep 17 from Brussels to Washington, returning Sun, Sep 21, priced at $522 found 1 day ago
Aer Lingus
Thu, Sep 11 - Thu, Oct 23
BRU
Brussels
IAD
Washington
$525 Roundtrip, found 6 hours ago
$525
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Thu, Sep 11 from Brussels to Washington, returning Thu, Oct 23, priced at $525 found 6 hours ago
Flights from Brussels (BRU) to Washington (IAD)
Origin airport
Brussels - National
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
Swiss International Air Lines
Distance
3880 mi
Average flight time
2 hours 35 mins

Frequently asked questions

How much is an Aer Lingus flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
Grab affordable round-trip Aer Lingus flights from $508 from BRU to IAD by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $696 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BRU to IAD with Aer Lingus?
January is one of the most affordable months to fly to Washington with Aer Lingus. You could also find great prices on one-way and return tickets in February.
What is the cheapest time to book flights from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD) with Aer Lingus?
Check for Aer Lingus flights from BRU to IAD about one month before you want to leave. The most affordable time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Aer Lingus fly nonstop from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
To figure out if there's a direct journey from BRU to IAD with Aer Lingus or other airlines, check the "Nonstop" filter when searching for tickets.
What is the earliest Aer Lingus flight from BRU to IAD?
To find the earliest departure from BRU to IAD with Aer Lingus, filter your results by "Early Morning" and "Morning." Booking an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Aer Lingus fly into in Washington?
Washington Dulles Intl. Airport (IAD) is the primary Washington gateway for Aer Lingus flights from Brussels - National Airport (BRU).
What kind of luggage can I take on an Aer Lingus flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
For checked luggage, passengers can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also bring 1 cabin bag in the cabin when flying standard economy from BRU to IAD with Aer Lingus. This carry-on should weigh less than 22 lb and be no bigger than 21 inches x 15 inches x 9 inches. Going above these restrictions can mean additional charges, so read Aer Lingus's baggage allowance policies before packing.
Why fly with Aer Lingus from BRU to IAD?
Heading from BRU to IAD with Aer Lingus comes with a variety of perks, including a rewarding loyalty program and a 4-star airline rating. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's in addition to the Aer Lingus AerClub points you can earn with Aer Lingus.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Aer Lingus flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
Changes are usually free within 24 hours of making a booking, but your airline may charge a fee after that time. For further details about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to adjust your plans without being charged, tick the "Changes included" and "No cancel fee" filters when organizing your next getaway.

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*Available to One Key members.