€309 Cheap Flights Dublin to Washington (DUB-IAD)

View €309 flight on Mon, 3 Nov 2025Opens in a new window

Popular airlines from Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD)

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Cheap flights from Dublin to Washington (DUB-IAD)

Prices were available within the past 7 days and start at €309 for one-way flights and €349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, 25 Sep - Tue, 30 Sep
DUB
Dublin
IAD
Washington
€349 Return, found 1 day ago
€349
Return
found 1 day ago
Select Icelandair flight, departing Thu, 25 Sep from Dublin to Washington, returning Tue, 30 Sep, priced at €349 found 1 day ago
Icelandair
Fri, 5 Sep - Mon, 15 Sep
DUB
Dublin
IAD
Washington
€354 Return, found 1 day ago
€354
Return
found 1 day ago
Select Icelandair flight, departing Fri, 5 Sep from Dublin to Washington, returning Mon, 15 Sep, priced at €354 found 1 day ago
Scandinavian Airlines
Tue, 23 Dec - Wed, 31 Dec
DUB
Dublin
IAD
Washington
€358 Return, found 3 days ago
€358
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Tue, 23 Dec from Dublin to Washington, returning Wed, 31 Dec, priced at €358 found 3 days ago
Aer Lingus
Thu, 4 Sep - Thu, 11 Sep
DUB
Dublin
IAD
Washington
€377 Return, just found
€377
Return
just found
Select Aer Lingus flight, departing Thu, 4 Sep from Dublin to Washington, returning Thu, 11 Sep, priced at €377 just found
Scandinavian Airlines
Wed, 10 Sep - Thu, 2 Oct
DUB
Dublin
IAD
Washington
€382 Return, found 1 day ago
€382
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, 10 Sep from Dublin to Washington, returning Thu, 2 Oct, priced at €382 found 1 day ago
Icelandair
Mon, 6 Oct - Wed, 15 Oct
DUB
Dublin
IAD
Washington
€383 Return, found 6 days ago
€383
Return
found 6 days ago
Select Icelandair flight, departing Mon, 6 Oct from Dublin to Washington, returning Wed, 15 Oct, priced at €383 found 6 days ago
Icelandair
Mon, 6 Oct - Fri, 10 Oct
DUB
Dublin
IAD
Washington
€384 Return, found 6 days ago
€384
Return
found 6 days ago
Select Icelandair flight, departing Mon, 6 Oct from Dublin to Washington, returning Fri, 10 Oct, priced at €384 found 6 days ago
Icelandair
Tue, 16 Sep - Fri, 3 Oct
DUB
Dublin
IAD
Washington
€389 Return, found 1 day ago
€389
Return
found 1 day ago
Select Icelandair flight, departing Tue, 16 Sep from Dublin to Washington, returning Fri, 3 Oct, priced at €389 found 1 day ago
TAP Portugal
Mon, 17 Nov - Sat, 29 Nov
DUB
Dublin
IAD
Washington
€398 Return, found 1 day ago
€398
Return
found 1 day ago
Select TAP Portugal flight, departing Mon, 17 Nov from Dublin to Washington, returning Sat, 29 Nov, priced at €398 found 1 day ago
American Airlines
Wed, 24 Dec - Tue, 30 Dec
DUB
Dublin
IAD
Washington
€442 Return, found 1 day ago
€442
Return
found 1 day ago
Select American Airlines flight, departing Wed, 24 Dec from Dublin to Washington, returning Tue, 30 Dec, priced at €442 found 1 day ago

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

March is typically the cheapest month to fly

From €248 - €603 per traveller.

Graph displaying average flight prices per month

Dublin to Washington route 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
Return price
€348
Distance
5432 km
Average flight time
2 hours 58 mins

Perfect flights from Dublin to Washington

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Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Dublin to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from €309 and roundtrip prices from €349. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.

Frequently asked questions

How much is a flight from Dublin Airport (DUB) to IAD?
If you're travelling from DUB to Washington Dulles Intl. Airport (IAD), round-trip flights start from €349. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dublin Airport (DUB) to IAD?
Every air carrier has a different set of terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from DUB to Washington Dulles Intl. Airport (IAD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for DUB to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dublin Airport to Washington Dulles Intl. Airport (IAD)?
The distance is around 5,500 kilometres. Sleep mask? Check. A change of clothes? Check. You'd be wise to pack all the essentials for this long-haul Corballis to Chantilly flight.
Which airlines fly direct from Dublin Airport (DUB) to Dulles Intl. Airport?
Aer Lingus (EI) is one of the top choices for travellers jetting between Dublin Airport and Dulles Intl. Airport. Take your pick of the 56 flights it offers on this route each month. You could also check out the fares on offer with Ethiopian Airlines (ET). It operates 30 flights every month between Corballis and Chantilly.
Are Dublin Airport (DUB) to Washington Dulles Intl. Airport (IAD) flight tickets cheaper when they're purchased at the last minute?
Flight tickets from DUB to IAD are available up to a year before departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so check back often for all the latest specials.

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