€254 Cheap Flights Washington to Dublin (DCA-DUB)

View €254 flight on Wed, 22 Oct 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Dublin Airport (DUB)

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Cheap flights from Washington to Dublin (DCA-DUB)

Prices were available within the past 7 days and start at €254 for one-way flights and €369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 11 Aug - Wed, 20 Aug
DCA
Washington
DUB
Dublin
€369 Return, found 1 day ago
€369
Return
found 1 day ago
Select American Airlines flight, departing Mon, 11 Aug from Washington to Dublin, returning Wed, 20 Aug, priced at €369 found 1 day ago
Iberia
Wed, 13 Aug - Wed, 20 Aug
DCA
Washington
DUB
Dublin
€381 Return, found 1 day ago
€381
Return
found 1 day ago
Select Iberia flight, departing Wed, 13 Aug from Washington to Dublin, returning Wed, 20 Aug, priced at €381 found 1 day ago
American Airlines
Mon, 3 Nov - Sat, 8 Nov
DCA
Washington
DUB
Dublin
€406 Return, found 1 day ago
€406
Return
found 1 day ago
Select American Airlines flight, departing Mon, 3 Nov from Washington to Dublin, returning Sat, 8 Nov, priced at €406 found 1 day ago
Delta
Tue, 21 Oct - Wed, 12 Nov
DCA
Washington
DUB
Dublin
€409 Return, found 4 days ago
€409
Return
found 4 days ago
Select Delta flight, departing Tue, 21 Oct from Washington to Dublin, returning Wed, 12 Nov, priced at €409 found 4 days ago
American Airlines
Tue, 21 Oct - Wed, 12 Nov
DCA
Washington
DUB
Dublin
€409 Return, found 4 days ago
€409
Return
found 4 days ago
Select American Airlines flight, departing Tue, 21 Oct from Washington to Dublin, returning Wed, 12 Nov, priced at €409 found 4 days ago
Air Canada
Sat, 25 Oct - Tue, 11 Nov
DCA
Washington
DUB
Dublin
€411 Return, found 4 days ago
€411
Return
found 4 days ago
Select Air Canada flight, departing Sat, 25 Oct from Washington to Dublin, returning Tue, 11 Nov, priced at €411 found 4 days ago
American Airlines
Tue, 11 Nov - Tue, 18 Nov
DCA
Washington
DUB
Dublin
€415 Return, found 5 days ago
€415
Return
found 5 days ago
Select American Airlines flight, departing Tue, 11 Nov from Washington to Dublin, returning Tue, 18 Nov, priced at €415 found 5 days ago
Air Canada
Sat, 25 Oct - Tue, 11 Nov
DCA
Washington
DUB
Dublin
€415 Return, found 4 days ago
€415
Return
found 4 days ago
Select Air Canada flight, departing Sat, 25 Oct from Washington to Dublin, returning Tue, 11 Nov, priced at €415 found 4 days ago
American Airlines
Tue, 21 Oct - Tue, 11 Nov
DCA
Washington
DUB
Dublin
€422 Return, found 4 days ago
€422
Return
found 4 days ago
Select American Airlines flight, departing Tue, 21 Oct from Washington to Dublin, returning Tue, 11 Nov, priced at €422 found 4 days ago
JetBlue Airways
Thu, 11 Sep - Thu, 18 Sep
DCA
Washington
DUB
Dublin
€429 Return, found 1 day ago
€429
Return
found 1 day ago
Select JetBlue Airways flight, departing Thu, 11 Sep from Washington to Dublin, returning Thu, 18 Sep, priced at €429 found 1 day ago

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

August is typically the cheapest month to fly

From €399 - €969 per traveller.

Graph displaying average flight prices per month

Washington to Dublin route information
Origin airport
Ronald Reagan Washington National
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, American Airlines, Delta, JetBlue Airways, United
Return price
€369
Distance
5414 km

Perfect flights from Washington to Dublin

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Our flexible Ronald Reagan Washington National to Dublin ticket options cater to your travel preferences, with incredible one-way fares from €254 and roundtrip prices from €369. 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.
 
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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 Dublin.

Frequently asked questions

How much is a flight from National Airport to DUB?
The lowest price advertised for a round-trip flight between National Airport and Dublin Airport (DUB) is €369. But you better move fast. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to Dublin Airport?
Most flights can be cancelled online, but whether you are charged a fee varies between airlines. If you do need to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from DCA to Dublin Airport 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 Ronald Reagan Washington National Airport (DCA) to Dublin Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from National Airport to DUB?
You'll have 5,500 kilometres to cover on the long-haul Arlington to Corballis route. Wear comfy clothes and consider taking some noise-cancelling headphones and a sleep mask.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Dublin Airport (DUB)?
If you want to fly straight from National Airport to DUB, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route.
Are National Airport to Dublin Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute flight deals between Ronald Reagan Washington National Airport (DCA) and Dublin Airport are possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers release their prices up to a year ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking and be ready to pounce when the fares dip.

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