Boston to Dublin Flights on Aer Lingus from $579.59*
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Book Boston (BOS) to Dublin (DUB) flight deals*
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Flights from Boston (BOS) to Dublin, Ireland
As Ireland's flag carrier, Aer Lingus offers frequent flights, dependable schedules and a warm Irish welcome on routes between Ireland and the UK, Europe and North America.
Our long-haul transatlantic flights are designed to make going further feel effortless; with comfortable cabins, thoughtful onboard service and the added convenience of US Preclearance when flying from Dublin and Shannon.
We offer nonstop direct flights from Boston to Dublin twice daily, connecting North American flyers to Ireland, Europe and beyond. Find out what makes flying with us so special.
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".
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 direct flight from Boston to Dublin takes around 6 hours 10 minutes. Flight times can vary slightly depending on conditions.
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.
Can I check in online for my Boston to Dublin flight?
Yes, online check-in opens 48 hours before departure. It’s the quickest way to choose your seat, download your boarding pass, and save time at the airport.
What can I expect on board with Aer Lingus?
You can look forward to friendly service, tasty food, drink and snack options from our Bia menu. See all .
How much luggage can I bring on my flight?
On transatlantic flights you can bring small personal item and a 10kg bag onboard free of charge. Checked baggage allowance depends on your selected fare type. Read more about transatlantic checked baggage.
Do I need a passport or visa to travel from Boston to Dublin?
We always recommend checking the latest requirements before you fly.
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 |
|---|---|---|---|---|
| Boston (BOS) | Dublin (DUB) | Roundtrip* / Economy | 6 Dec 2026 - 14 Dec 2026 | From $579.59 Seen: 22 hrs ago |
| Boston (BOS) | Dublin (DUB) | Roundtrip* / Economy | 8 Feb 2027 - 13 Feb 2027 | From $579.59 Seen: 20 hrs ago |
| Boston (BOS) | Dublin (DUB) | Roundtrip* / Economy | 23 Jan 2027 - 30 Jan 2027 | From $579.59 Seen: 22 hrs ago |
| Boston (BOS) | Dublin (DUB) | Roundtrip* / Economy | 7 Jan 2027 - 14 Jan 2027 | From $579.59 Seen: 11 hrs ago |
| Boston (BOS) | Dublin (DUB) | Roundtrip* / Economy | 9 Dec 2026 - 16 Dec 2026 | From $579.59 Seen: 11 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.