Boston to Dublin Flights on Aer Lingus from $397.33*
Book Boston to Dublin flight deals*
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Take a tour of Dublin and its hidden gems in 59 seconds
Explore the sights and sounds of Dublin's fair city in our video "59 seconds in Dublin".
Find and Book Flights from Boston to Dublin
We offer nonstop direct flights from Boston to Dublin twice daily, connecting North American flyers to Ireland, Europe and beyond. Learn more about flying with Aer Lingus.
Why fly direct from Boston to Dublin with Aer Lingus?
Book your direct flights from Boston 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 Boston to Dublin?
The total Boston to Dublin flight time is 6 hours and 30 minutes.
When is the cheapest time of year to fly to Dublin?
The cheapest time of year to fly to Dublin from Boston with Aer Lingus is January through to and including March.
What is the best day to book flights from Boston to Dublin?
Aer Lingus often releases sale fares on Tuesdays, making this the best day to book cheap flights to Dublin from Boston. Our advice if you are planning to fly from Boston to Dublin is to keep visiting us at aerlingus.com to ensure you do not miss these fares. You can also sign up for our newsletter and get the best flight deals straight to your inbox.
How much are Boston to Dublin flights?
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.
Is this your first trip to Dublin?
Read our beginner's guide for Ireland's capital, jam-packed with recommendations to suit every traveller. If you're social media savvy, you may want to explore Dublin through a different lens! Find the most Instagrammable spots in Dublin here. If you want to explore the heart of Dublin, we have some hidden gems that will make you feel like a true local.
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Book Boston to Dublin flight deals*
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| FromBoston (BOS) | ToDublin (DUB) | Roundtrip* / Economy | 8 Oct 2025 - 5 Nov 2025 | From $445.39* Seen: 1 hour ago |
| FromBoston (BOS) | ToDublin (DUB) | Roundtrip* / Economy | 18 Nov 2025 - 25 Nov 2025 | From $445.39* Seen: 16 hrs ago |
| FromBoston (BOS) | ToDublin (DUB) | Roundtrip* / Economy | 19 Nov 2025 - 25 Nov 2025 | From $445.39* Seen: 14 hrs ago |
| FromBoston (BOS) | ToDublin (DUB) | Roundtrip* / Economy | 1 Dec 2025 - 15 Dec 2025 | From $476.89* Seen: 21 hrs ago |
| FromBoston (BOS) | ToDublin (DUB) | Roundtrip* / Economy | 20 Nov 2025 - 26 Nov 2025 | From $476.89* Seen: 13 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.