
Popular airlines from Washington to Dublin (DUB)
- Icelandair
Icelandair
- British Airways
British Airways
- Aer Lingus
Aer Lingus
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Iberia
Iberia
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Today's featured flight deals from Washington to Dublin (DUB)
- Washington (IAD) to Dublin (DUB).United, nonstop.Departing on Fri, Dec 12 at 10:20pm from Washington, arriving on Sat, Dec 13 at 10:20am in Dublin.Returning on Fri, Dec 19 at 12:05pm from Dublin, arriving at 3:20pm in Washington.Select United flight departing on Fri, Dec 12 at 10:20pm from Washington, returning on Fri, Dec 19 at 12:05pm from Dublin priced at $57640% less than typical$576
- Washington (IAD) to Dublin (DUB).United, nonstop.Departing on Fri, Dec 12 at 10:20pm from Washington, arriving on Sat, Dec 13 at 10:20am in Dublin.Returning on Fri, Dec 19 at 12:05pm from Dublin, arriving at 3:20pm in Washington.Select United flight departing on Fri, Dec 12 at 10:20pm from Washington, returning on Fri, Dec 19 at 12:05pm from Dublin priced at $57540% less than typical$575
- Washington (IAD) to Dublin (DUB).United, nonstop.Departing on Tue, Dec 9 at 10:20pm from Washington, arriving on Wed, Dec 10 at 10:20am in Dublin.Returning on Mon, Dec 15 at 12:05pm from Dublin, arriving at 3:20pm in Washington.Select United flight departing on Tue, Dec 9 at 10:20pm from Washington, returning on Mon, Dec 15 at 12:05pm from Dublin priced at $53840% less than typical$538
- Washington (IAD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Tue, Dec 9 at 9:00pm from Washington, arriving on Wed, Dec 10 at 8:50am in Dublin.Returning on Mon, Dec 15 at 4:20pm from Dublin, arriving at 7:30pm in Washington.Select Aer Lingus flight departing on Tue, Dec 9 at 9:00pm from Washington, returning on Mon, Dec 15 at 4:20pm from Dublin priced at $53840% less than typical$538
- Washington (IAD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Wed, Dec 10 at 9:00pm from Washington, arriving on Thu, Dec 11 at 8:50am in Dublin.Returning on Wed, Dec 17 at 4:20pm from Dublin, arriving at 7:30pm in Washington.Select Aer Lingus flight departing on Wed, Dec 10 at 9:00pm from Washington, returning on Wed, Dec 17 at 4:20pm from Dublin priced at $48845% less than typical$488
- Washington (IAD) to Dublin (DUB).United, nonstop.Departing on Wed, Dec 10 at 10:20pm from Washington, arriving on Thu, Dec 11 at 10:20am in Dublin.Returning on Wed, Dec 17 at 12:05pm from Dublin, arriving at 3:20pm in Washington.Select United flight departing on Wed, Dec 10 at 10:20pm from Washington, returning on Wed, Dec 17 at 12:05pm from Dublin priced at $48845% less than typical$488
- Washington (IAD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Sat, Dec 6 at 9:00pm from Washington, arriving on Sun, Dec 7 at 8:50am in Dublin.Returning on Wed, Dec 17 at 12:15pm from Dublin, arriving at 3:35pm in Washington.Select Aer Lingus flight departing on Sat, Dec 6 at 9:00pm from Washington, returning on Wed, Dec 17 at 12:15pm from Dublin priced at $53840% less than typical$538
- Washington (IAD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Fri, Dec 12 at 9:00pm from Washington, arriving on Sat, Dec 13 at 8:50am in Dublin.Returning on Fri, Dec 19 at 4:20pm from Dublin, arriving at 7:30pm in Washington.Select Aer Lingus flight departing on Fri, Dec 12 at 9:00pm from Washington, returning on Fri, Dec 19 at 4:20pm from Dublin priced at $63835% less than typical$638
- Washington (IAD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Mon, Jan 5 at 5:05pm from Washington, arriving on Tue, Jan 6 at 4:55am in Dublin.Returning on Mon, Jan 19 at 12:15pm from Dublin, arriving at 3:35pm in Washington.Select Aer Lingus flight departing on Mon, Jan 5 at 5:05pm from Washington, returning on Mon, Jan 19 at 12:15pm from Dublin priced at $57535% less than typical$575
Cheap Flights from Washington to Dublin (WAS-DUB)
Prices were available within the past 7 days and start at $303 for one-way flights and $380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Washington (WAS) to Dublin (DUB)
February is typically the cheapest month to fly
Alternative airports near Dublin
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Baltimore Washington Intl. Thurgood Marshall |
|---|---|
Destination airport | Dublin |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United |
Roundtrip price | $380 |
Distance | 3353 mi |
Washington to Dublin Flights
The cheapest times to fly from Washington to Dublin
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Dublin are during the month of January. You can find some of the cheapest flights from Washington to Dublin with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Washington to Dublin
Sunday is one of the best days to book for cheap flights from Washington to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Washington to Dublin
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $303 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
