Washington, D.C. to Dublin Flights on Aer Lingus from $458.11*
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Fly direct from Washington to Dublin, Ireland
We love flying from Washington Dulles to Dublin because it connects the heart of the US capital with the charm and culture of Ireland’s capital. With direct Aer Lingus service and warm hospitality on board, it’s a smooth and welcoming journey from one historic city to another. We offer twice daily direct flights from Washington to Dublin Ireland.
Why fly direct from Washington to Dublin with Aer Lingus?
Book your Direct flights from Washington to Dublin Ireland with Aer Lingus and enjoy a warm Irish welcome onboard with complimentary meal and beverage service as well as a wide range of blockbuster movies, classic films, TV programs and box sets or music videos at your leisure. Play games or stay connected with Wi-Fi and our mobile network inflight.
How long is the flight from Washington to Dublin?
The total Washington to Dublin flight time is 6 hours and 45 minutes.
When is the cheapest time of year to fly to Dublin?
The best time to book cheap flights from Washington to Dublin with Aer Lingus is January through to March.
What is the best day to book flights from Washington to Dublin?
Aer Lingus often releases Sale fares on Tuesdays, making this the best day to book cheap flights to Dublin from Washington. Our advice if you are booking flights Washington to Dublin is to keep visiting us at Aerlingus.com to ensure you do not miss these fares.
How much are Washington to Dublin flights?
Flights from Washington to Dublin start from $479 roundtrip per person throughout January, February, and March. Fares are based on availability and season. Our recommendation to get the best price fare is to book early and then start planning your trip. Always check our website for the most recent fares.
Top 5 things to do in Dublin on a budget
- Check out the famed Trinity College and walk it's beautiful campus. Admission is free, but there is a small fee to see the ancient Book of Kells.
- Take a stroll through St. Stephen's Green, a vibrant and historic public park in the heart of the city centre.
- Visit the National Museum of Ireland for free to get a fascinating glimpse into the country's long history and rich culture.
- Wander along the River Liffey to meet local artists and cross the Ha'Penny Bridge, a famous iron footbridge that spans the river.
- Visit the lively Temple Bar neighbourhood where you can enjoy live music at a traditional Irish pub for the price of a pint of Guinness.
Learn more about visiting Dublin
Check out these extra reads to help you prepare your fun-filled trip to Ireland's capital city.
Dublin Beginner's Guide
Famous for its culture, literary connections and its lively atmosphere, Dublin makes a fantastic city break for anyone looking for something new and exciting.
Dublin Hidden Gems
Spend some time with filmmaker Jarlath Finnegan soaking up some of the sights and sounds of Dublin’s fair city for our video “59 Seconds in Dublin”.
Most Instagrammable Spots
The Irish capital is a booming hub of nightlife, food and culture. Here are some favourite spots in the city to capture that Insta-worthy shot.
Other useful links
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Book Washington, D.C. to Dublin flight deals*
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Washington, D.C. (IAD) | Dublin (DUB) | Roundtrip* / Economy | 7 Apr 2026 - 14 Apr 2026 | From $475.30 Seen: 8 hrs ago |
| Washington, D.C. (IAD) | Dublin (DUB) | Roundtrip* / Economy | 21 Apr 2026 - 28 Apr 2026 | From $475.30 Seen: 11 hrs ago |
| Washington, D.C. (IAD) | Dublin (DUB) | Roundtrip* / Economy | 2 Apr 2026 - 9 Apr 2026 | From $525.30 Seen: 5 hrs ago |
| Washington, D.C. (IAD) | Dublin (DUB) | Roundtrip* / Economy | 31 Mar 2026 - 5 Apr 2026 | From $530.30 Seen: 16 hrs ago |
| Washington, D.C. (IAD) | Dublin (DUB) | Roundtrip* / Economy | 26 Apr 2026 - 5 May 2026 | From $532.30 Seen: 16 hrs ago |
* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.