BOS - DUB

€231 Find Cheap Flights from Boston to Dublin – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€479
Typical prices: €355-€629
Icelandair
Tue 16/10Sat 20/10
BOS - DUB • 1 stop
Cheapest direct flights
€487
Typical prices: €358-€643
Iberia
Tue 23/10Wed 31/10
BOS - DUB • Direct
Direct flights
You can fly direct with Aer Lingus, Delta, and JetBlue. Average duration is 6h 08m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 95% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 8 weeks in advance save around 15% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 30% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg €362 (return)
Shortest trip • 10h 41m (one-way)
Insights
Insights
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We hope you enjoy your trip to Dublin!
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Booking Insights
Flight Deals

Cheap Flights from Boston to Dublin (BOS-DUB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Boston to Dublin

Mon, 5 Oct - Sat, 17 Oct
Multiple Airlines Logo
21:15 - 08:25BOS  Boston Logan Intl-DUB Dublin
6h 10mdirect
Multiple Airlines Logo
17:45 - 21:45DUB  Dublin-BOS Boston Logan Intl
33h 00m1 stop Barcelona-El Prat
€479Multiple Airlines
Fri, 2 Oct - Sat, 17 Oct
Multiple Airlines Logo
17:25 - 04:35BOS  Boston Logan Intl-DUB Dublin
6h 10mdirect
Multiple Airlines Logo
17:45 - 21:45DUB  Dublin-BOS Boston Logan Intl
33h 00m1 stop Barcelona-El Prat
€479Multiple Airlines
Tue, 6 Oct - Sat, 17 Oct
Multiple Airlines Logo
21:15 - 08:25BOS  Boston Logan Intl-DUB Dublin
6h 10mdirect
Multiple Airlines Logo
17:45 - 21:45DUB  Dublin-BOS Boston Logan Intl
33h 00m1 stop Barcelona-El Prat
€479Multiple Airlines
Sat, 3 Oct - Sat, 17 Oct
Multiple Airlines Logo
21:15 - 08:25BOS  Boston Logan Intl-DUB Dublin
6h 10mdirect
Multiple Airlines Logo
17:45 - 21:45DUB  Dublin-BOS Boston Logan Intl
33h 00m1 stop Barcelona-El Prat
€479Multiple Airlines
Wed, 7 Oct - Sat, 17 Oct
Multiple Airlines Logo
17:25 - 04:35BOS  Boston Logan Intl-DUB Dublin
6h 10mdirect
Multiple Airlines Logo
17:45 - 21:45DUB  Dublin-BOS Boston Logan Intl
33h 00m1 stop Barcelona-El Prat
€479Multiple Airlines
Sun, 4 Oct - Sat, 17 Oct
Multiple Airlines Logo
17:25 - 04:35BOS  Boston Logan Intl-DUB Dublin
6h 10mdirect
Multiple Airlines Logo
17:45 - 21:45DUB  Dublin-BOS Boston Logan Intl
33h 00m1 stop Barcelona-El Prat
€479Multiple Airlines
Tue, 13 Oct - Tue, 20 Oct
Multiple Airlines Logo
20:50 - 11:05BOS  Boston Logan Intl-DUB Dublin
9h 15m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
22:00 - 21:05DUB  Dublin-BOS Boston Logan Intl
28h 05m2 stops London Stansted Barcelona-El Prat
€479Multiple Airlines
Fri, 16 Oct - Tue, 20 Oct
Multiple Airlines Logo
23:00 - 13:15BOS  Boston Logan Intl-DUB Dublin
9h 15m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
22:00 - 21:05DUB  Dublin-BOS Boston Logan Intl
28h 05m2 stops London Stansted Barcelona-El Prat
€479Multiple Airlines
Sun, 1 Nov - Sat, 7 Nov
JetBlue Logo
17:15 - 04:15BOS  Boston Logan Intl-DUB Dublin
6h 00mdirect
JetBlue Logo
11:45 - 13:55DUB  Dublin-BOS Boston Logan Intl
7h 10mdirect
€543JetBlue
Sun, 8 Nov - Thu, 12 Nov
JetBlue Logo
21:20 - 08:20BOS  Boston Logan Intl-DUB Dublin
6h 00mdirect
JetBlue Logo
11:45 - 13:55DUB  Dublin-BOS Boston Logan Intl
7h 10mdirect
€543JetBlue
Booking Insights

Price, demand, and travel trends for Boston to Dublin flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Boston to Dublin with more confidence.

What's the cheapest day of the week to fly from Boston to Dublin?

Sunday is the cheapest day of the week to fly from Boston to Dublin and is 3% cheaper than the average day. Tuesday is the most expensive day with flight prices 2% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boston to Dublin?

  • January and February are the cheapest months to fly from Boston to Dublin at €351 return.
  • June (€666) and July (€584) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 89% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boston to Dublin the cheapest?

Flights from Boston to Dublin are cheapest 8 weeks before departure. Booking in this window typically costs about 15% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Boston to Dublin flights

Low season

February

Cheapest flight

€230
Best time to beat the crowds (30% less expensive on average)
Most popular time to fly and prices are also 1% lower on average.
Flights from Boston to Dublin

When to book flights from Boston to Dublin

Are your dates flexible? Find out the best times to travel from Boston to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Flights from Boston to Dublin: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Boston to Dublin 
LisaFlew with Aer Lingus-Dec 2025
Look at Jet Blue and Delta. May be a bit more expensive but keep an eye out for fare reductions and book early.
Verified travelerFlew with Aer Lingus-Jul 2025
Whatever airline you choose, spring for a class with more leg and overall body room than economy (or whatever the cheapest class is called).
BarbaraFlew with Aer Lingus-May 2024
Pack what you need in a carryon since it is likely you'll arrive without luggage.

Your Boston to Dublin flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Does Dublin Airport have an on-site hotel?

    While there are no hotels located on-site at Dublin Airport, there are hotels a short drive away. The Maldron Hotel Dublin Airport is a 3-minute walk from both terminals. The hotel offers a complimentary 24h airport shuttle for guests, while the Radisson Blu Dublin Airport has a free shuttle that runs every 15min. The Radisson Blu is a 5-minute walk from the airport.

  • What are the options for going from Dublin Airport to the Dublin city center?

    If you choose to drive from Dublin Airport to downtown Dublin, it will normally take you around 20min total. You can also use public transit, like bus 41, which will take you to the city center in around 20-25min. A bus ticket will cost you approximately €1.55 ($1.85).

  • Are there any lounges at Boston Logan International Airport?

    The American Airlines Admirals Club is in Terminal B, and BOS's The Lounge can be found in Terminal C. Passengers can also opt for The Club in Terminal E or one of the Delta Sky Club locations, which are located in each terminal.

  • Does Boston Logan International Airport allow traveling with pets?

    Traveling with your pet is not frowned upon at Boston Logan Airport. Terminal E has its own pet relief area, which is equipped with benches where pet owners can sit and relax, trash cans, and free plastic bags for cleaning up after your furry friend. There also are outdoor pet relief areas in front of each Arrivals terminal.

  • Which airlines offer extra legroom and free seat selection on Boston to Dublin flights?

    Among airlines operating Boston to Dublin flights:

    • Aer Lingus: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • JetBlue: offers extra legroom; offers free seat selection
    • Air France: offers extra legroom; offers free seat selection
    • KLM: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Boston to Dublin?

    3 airlines operate flights between Boston and Dublin. The airlines offering direct flights on this route include:

    • Aer Lingus
    • Delta
    • JetBlue

  • Which airports can I use when flying from Boston to Dublin?

    Flights from Boston to Dublin usually depart from Boston Logan Intl (BOS) and arrive at Dublin (DUB).

  • Which airlines include bags at no extra cost on Boston to Dublin flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Aer Lingus: a cabin bag and a checked bag in Economy class
    • Delta: a cabin bag and a checked bag in Economy class
    • JetBlue: a cabin bag and a checked bag in Economy class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Boston to Dublin?

    Two cabin classes are available on flights from Boston to Dublin:

    • Economy class
    • Business Class

  • How much can I save by having a stopover when flying from Boston to Dublin?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average €362 return via Toronto Pearson Intl (YYZ), compared with €511 for direct.

  • What is the standard checked bag allowance on flights from Boston to Dublin?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €47–€86 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Boston to Dublin?

    The Airbus A330-300 family is used most often on this route, operated mainly by Aer Lingus and Iberia. Other aircraft seen on the route include Boeing 767-300 (winglets) variants.

  • Which airports do connecting flights from Boston to Dublin pass through?

    One-stop flights from Boston to Dublin most commonly connect through:

    • Philadelphia (PHL) – 39% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) – 23% of one-stop connections
    • Toronto Pearson Intl (YYZ) – 19% of one-stop connections
    • London Heathrow (LHR) – 8% of one-stop connections

    Philadelphia (PHL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boston to Dublin?

    On the Boston to Dublin route, being flexible with your departure day can save you up to 5%. Sunday is the cheapest day at €489 return on average, while Tuesday is the most expensive at €510 – a €22 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight considered delayed on the route from Boston to Dublin?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Boston to Dublin route, 8% of flights were delayed in the past 3 months, with delays averaging 2 hours 28 minutes.

  • How are flight departures from Boston to Dublin spread across the day?

    Night is the busiest departure period on Boston to Dublin flights, with 66% leaving in that window. Evening departures account for 33%, Morning flights for 1%, and Afternoon flights for 0%.

  • What popular places can I visit in Dublin?

    Some of the most popular sights in Dublin are Dublin City Centre, Bord Gáis Energy Theatre, and 3Olympia Theatre. These are among the most viewed places in Dublin on KAYAK.

  • What are the earliest and latest flights from Boston to Dublin?

    These are the earliest and latest flight times available from Boston to Dublin:

    • Earliest: departs at 17:15 and lands at 23:23
    • Latest: departs at 23:45 and lands at 05:53.

    The flight takes about 6h 08m.

  • How expensive are last-minute Boston to Dublin flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of €500. Book 8 weeks before departure for the lowest fares.

  • How long is a flight from Boston to Dublin?

    A direct flight from Boston to Dublin takes 6h 08m, covering 7,726 km.

  • Do I need a passport to fly from Boston to Dublin?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Boston to Dublin looking right now?

    One-way fares from Boston to Dublin are currently lower than usual. Average one-way flight prices are about €239, which is 32% below the typical average for this route.

  • How does Aer Lingus's on-time performance compare to other airlines on Boston to Dublin flights?

    Aer Lingus is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Boston to Dublin flights are:

    • Aer Lingus: 95% on time
    • Delta: 87% on time
    • JetBlue: 85% on time

    On average, flights on this route are punctual 92% of the time.

  • How do delay rates compare for morning and evening flights from Boston to Dublin?

    Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different stopover airport from Boston to Dublin?

    Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time of 10h 41m, compared to 10h 41m via Reykjavik Keflavik Intl (KEF) and 10h 41m via Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between Boston and Dublin?

    Dublin is 5 hours ahead of Boston (Irish Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Dublin Airport (DUB)?

    Dublin Airport (DUB) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:
    · Budget
    · Sixt
    · Easirent
    · Europcar
    · Thrifty

  • How much should I expect to pay for a Boston to Dublin flight?

    Return flights from Boston to Dublin range from €355 to €629, with an average of €500 over the past 12 months. Anything below €355 counts as a good deal.

  • Which airlines offer Wi-Fi on Boston to Dublin flights?

    Four airlines offer in-flight Wi-Fi on Boston to Dublin flights:

    • • Aer Lingus
    • • Delta
    • • JetBlue
    • • Air France

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty programme, while others are paid add-ons priced by flight length.

Your guide to booking Boston to Dublin flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure instead of Tuesday. On this route, Sunday flights average €489 – about €22 less than Tuesday (4% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 8 weeks before you fly. On this route, that window historically saves about 15% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Dublin trip for January. Fares historically average €351 return in that month – typically €315 less than the most expensive month, which is June (based on the last 12 months).
  • If arriving on time is high on your priority list, Aer Lingus is the strongest pick on this route. 95% of Aer Lingus flights from Boston to Dublin arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 92%. When flights on this route do arrive late, the average delay is 2 hours28 minutes, so choosing an airline with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Toronto Pearson Intl Airport (YYZ) can be cheaper than flying direct. The cheapest stopover option averages €362 return on this route – about €149 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Dublin Airport.
    - Clayton Hotel Dublin Airport
    - Maldron Hotel Dublin Airport
    - Metro Hotel Dublin Airport
  • If you’re traveling from Boston to Dublin, your plane will depart from Boston Logan International Airport (BOS), one of the busiest airports in the United States. It’s also a hub for the airline providers Delta Air Lines and JetBlue, so you’ll find many trips between these two cities on these airlines.
  • It’s possible to find nonstop flights from Boston to Dublin; nonstop flights are most commonly provided by companies like Aer Lingus and United Airlines. You’ll also find flight journeys that require one or two layovers, and these may be provided by airlines such as Delta or Lufthansa.
  • If you need to go to Boston Logan International Airport (BOS) from downtown Boston, you’ll have a few transportation options. For example, you can choose to drive, which will normally take you around 10min, depending on traffic and weather conditions. If you take local bus 117, the trip will last closer to 30min. A single bus ticket will cost you approximately $2.75.
  • Are you interested in storing your luggage at Dublin Airport (DUB) once you’ve landed? Excess Baggage Company has a location in the main concourse of Terminal 1; you can pay either by the hour, per day, or per week.
  • Those who are traveling with small children may be pleased to know that the Boston Logan Airport offers a few special amenities for families. Each terminal has at least one nursing suite. These contain changing tables, comfortable seating, sinks, and outlets. There are also children’s play areas in Terminals A and C, where your little ones can burn off some energy before you board the plane.

Prefer to fly direct from Boston Logan Intl to Dublin?

 
Find which airlines fly direct from Boston Logan Intl Airport to Dublin Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to Dublin

Monday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Tuesday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Wednesday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Thursday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Friday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Saturday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Sunday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

See more direct flights

Direct returns

Dublin to Boston Logan Intl

Monday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Tuesday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Wednesday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Thursday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Friday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Saturday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Sunday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

See more direct flights

More options for your flight from Boston to Dublin

Complete your trip to Dublin with a hotel stay or car hire