£403 Cheap Aer Lingus flights from Dublin to Washington (DUB→IAD)

View £403 flight on Mon, 2 Nov 2026Opens in a new window

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Aer Lingus flights from Dublin to Washington (DUB→IAD)

Prices were available within the past 7 days and start at £403 for one-way flights and £438 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, 4 Dec - Tue, 8 Dec
DUB
Dublin
IAD
Washington
£438 Return, found 2 days ago
£438
Return
found 2 days ago
Select Aer Lingus flight, departing Fri, 4 Dec from Dublin to Washington, returning Tue, 8 Dec, priced at £438 found 2 days ago
Aer Lingus
Fri, 13 Nov - Mon, 16 Nov
DUB
Dublin
IAD
Washington
£439 Return, found 1 day ago
£439
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 13 Nov from Dublin to Washington, returning Mon, 16 Nov, priced at £439 found 1 day ago
Aer Lingus
Fri, 15 May - Sun, 24 May
DUB
Dublin
IAD
Washington
£455 Return, found 5 hours ago
£455
Return
found 5 hours ago
Select Aer Lingus flight, departing Fri, 15 May from Dublin to Washington, returning Sun, 24 May, priced at £455 found 5 hours ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from £394
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city centre8 min
Flights from £394

Frequently asked questions

How much is an Aer Lingus flight from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
You can discover cheap round-trip Aer Lingus flights from £438 from DUB to IAD by organising your results from "Price (lowest to highest)" on Expedia. Or look for options from £403 for a one-way trip.**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 DUB to IAD with Aer Lingus?
January is one of the most affordable months to fly to Washington with Aer Lingus. You could also find fantastic deals on return and one-way tickets in February.
Does Aer Lingus fly nonstop from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
Take off on one of Aer Lingus's 7 direct weekly flights from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD). To see your options, enter your dates, destination and origin and hit search. Next, apply the "Nonstop" and "Airline" filters.
How long does it take to fly from DUB to IAD with Aer Lingus?
It takes approximately 8h 10m to fly nonstop from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD) with Aer Lingus.
What airports does Aer Lingus fly into in Washington?
Washington Dulles Intl. Airport (IAD) is the main Washington gateway for Aer Lingus flights from Dublin Airport (DUB).
What kind of luggage can I take on an Aer Lingus flight from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
For checked luggage, you can take 1 checked-in bag weighing up to 23 kg (50 lbs) with dimensions not exceeding 157 centimetres. You can also travel with 1 cabin bag in the cabin when flying standard economy from DUB to IAD with Aer Lingus. This carry-on has to weigh less than 10 kg (22 lbs) and be no larger than 53 centimetres x 38 centimetres x 23 centimetres. Going above these limits can mean extra charges, so read Aer Lingus's baggage allowance policies before packing your suitcase.
What type of plane does Aer Lingus fly from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
Book an Aer Lingus flight from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD), and you'll probably board an Airbus A321neo. Bear in mind though, that the aircraft type can vary due to operational requirements.
Can I change or cancel my Aer Lingus flight from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
It's generally possible to change or cancel your flight, although additional fees may apply if you made your booking over 24 hours ago. Prefer to keep your options open? Make use of Expedia's "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you need to alter your plans. To make modifications, head to "Trips," select your flight and click on "Manage Booking" for further information.

Travel information

Origin airport
Dublin
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Popular airline
British Airways
Distance
5432 km
Average flight time
3 hours 3 mins

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