£374 Cheap British Airways flights from Dublin to Washington (DUB→IAD)

View £374 flight on Tue, 8 Dec 2026Opens in a new window

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British Airways flights from Dublin to Washington (DUB→IAD)

Prices were available within the past 7 days and start at £374 for one-way flights and £430 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, 6 Nov - Tue, 10 Nov
DUB
Dublin
IAD
Washington
£430 Return, found 6 days ago
£430
Return
found 6 days ago
Select British Airways flight, departing Fri, 6 Nov from Dublin to Washington, returning Tue, 10 Nov, priced at £430 found 6 days ago
British Airways
Sun, 22 Nov - Sat, 28 Nov
DUB
Dublin
IAD
Washington
£445 Return, found 1 day ago
£445
Return
found 1 day ago
Select British Airways flight, departing Sun, 22 Nov from Dublin to Washington, returning Sat, 28 Nov, priced at £445 found 1 day ago
British Airways
Sun, 22 Nov - Sat, 28 Nov
DUB
Dublin
IAD
Washington
£446 Return, found 1 day ago
£446
Return
found 1 day ago
Select British Airways flight, departing Sun, 22 Nov from Dublin to Washington, returning Sat, 28 Nov, priced at £446 found 1 day ago
British Airways
Tue, 28 Apr - Tue, 5 May
DUB
Dublin
IAD
Washington
£447 Return, found 2 days ago
£447
Return
found 2 days ago
Select British Airways flight, departing Tue, 28 Apr from Dublin to Washington, returning Tue, 5 May, priced at £447 found 2 days ago
British Airways
Tue, 3 Nov - Tue, 24 Nov
DUB
Dublin
IAD
Washington
£450 Return, found 2 days ago
£450
Return
found 2 days ago
Select British Airways flight, departing Tue, 3 Nov from Dublin to Washington, returning Tue, 24 Nov, priced at £450 found 2 days ago
British Airways
Mon, 15 Feb - Sun, 21 Feb
DUB
Dublin
IAD
Washington
£452 Return, found 15 hours ago
£452
Return
found 15 hours ago
Select British Airways flight, departing Mon, 15 Feb from Dublin to Washington, returning Sun, 21 Feb, priced at £452 found 15 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. Closest option available. Average driving time to city centre is 8 minutes. Flights from £461
DCA
Ronald Reagan Washington National
Closest
Average driving time to city centre8 min
Flights from £461

Find the cheapest month to fly from Dublin (DUB) to Washington (IAD)

March is typically the cheapest month to fly

From £243 - £546 per traveller.

Frequently asked questions

How much is a British Airways flight from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
You can find budget-friendly return British Airways flights from £430 from DUB to IAD by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from £374 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 DUB to IAD with British Airways?
British Airways flights to Washington are often cheaper in the low-season months of January and February. Whether you're searching for a return or one-way ticket, you could score a better deal then.
Does British Airways fly nonstop from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
Use the "Nonstop" filter when searching for direct British Airways flights from DUB to IAD. You'll also be able to compare other carriers servicing the same direct trip.
What airports does British Airways fly into in Washington?
Hop on a British Airways flight from Dublin Airport (DUB) to Washington, and you'll most likely come in to Washington Dulles Intl. Airport (IAD). This is the airline's main hub here.
What kind of luggage can I take on a British Airways flight from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
On a standard economy flight with British Airways from DUB to IAD, passengers can bring 1 checked-in bag up to 23 kg (50 lbs) with dimensions not exceeding 89 centimetres x 41 centimetres x 74 centimetres in total. For hand luggage, you can have 1 cabin bag weighing up to 23 kg (50 lbs) and measuring no more than 56 centimetres x 23 centimetres x 43 centimetres. Weight and size restrictions can differ based on your cabin class and airfare type. To make sure you're not hit with additional charges at the terminal, check your British Airways booking or look up the airline's website before packing.
What type of plane does British Airways fly from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
Take a British Airways flight from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD), and you'll usually be on an Airbus A321neo. Keep in mind though, that the aircraft type can change due to operational demands.
Can I change or cancel my British Airways flight from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)?
Changes are generally free within 24 hours of making your booking, but your airline may add a charge after that time. For more information about modifying your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to change your plans without extra charges, check the "No cancel fee" or "Changes included" filter when organising your trip.

Travel information

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

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