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Cheap flights from Boston to Dublin from C$ 349

BOS — DUB
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Dublin

Tue 8/127:50 p.m. -
1 stop9h 25m
Tue 15/1211:30 a.m. -
1 stop11h 20m
Deal found 2/11C$ 655
Mon 7/127:50 p.m. -
1 stop9h 25m
Mon 21/1211:30 a.m. -
1 stop11h 20m
Deal found 1/11C$ 674
Wed 9/127:50 p.m. -
1 stop9h 25m
Mon 21/1211:30 a.m. -
1 stop11h 20m
Deal found 1/11C$ 723
Sun 6/127:50 p.m. -
1 stop9h 25m
Thu 10/1211:30 a.m. -
1 stop11h 20m
Deal found 1/11C$ 758
Mon 7/127:50 p.m. -
1 stop9h 25m
Sat 19/1211:30 a.m. -
1 stop11h 20m
Deal found 1/11C$ 828
Thu 31/127:50 p.m. -
1 stop9h 25m
Sat 16/111:30 a.m. -
1 stop11h 20m
Deal found 1/11C$ 841
Mon 16/117:50 p.m. -
1 stop9h 25m
Tue 24/1111:30 a.m. -
1 stop11h 20m
Deal found 3/11C$ 848
Fri 27/117:50 p.m. -
1 stop9h 25m
Fri 4/1211:30 a.m. -
1 stop11h 20m
Deal found 3/11C$ 852
Tue 17/116:00 a.m. -
1 stop20h 30m
Thu 26/119:00 a.m. -
1 stop30h 22m
Deal found 3/11C$ 871

Find flight deals from Boston to Dublin

Round-trip from

C$ 621

One-way from

C$ 349

Popular in

June

Cheapest in

February

Average price

C$ 792
Icelandair
  • Icelandair
  • 26/4-7/5
  • 2 total stops
  • 20h 50m total
  • Boston to Dublin
Search Deals
Icelandair
  • Icelandair
  • 14/4-31/12
  • 1 total stop
  • 10h 25m total
  • Boston to Dublin
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Boston to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Thu 15/4

9:55 a.m.-9:15 a.m.

1 stop18h 20m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 418

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Mon 3/5

12:20 p.m.-11:10 a.m.

2 stops17h 50m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 424

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Sat 17/4

7:30 a.m.-7:20 a.m.

2 stops18h 50m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 424

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Sat 17/4

9:55 a.m.-9:15 a.m.

1 stop18h 20m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 424

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Thu 22/4

7:30 a.m.-10:40 a.m.

2 stops22h 10m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 424
Quickest round-trip

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Fri 16/4

10:30 a.m.-7:20 a.m.

2 stops15h 50m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 424

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Tue 13/4

10:30 a.m.-10:40 a.m.

2 stops19h 10m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 424

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Sun 10/1

10:50 p.m.-4:10 p.m.

2 stops36h 20m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 434

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Wed 10/3

8:30 a.m.-9:55 a.m.

1 stop20h 25m

Dublin

Sun 14/3

9:00 a.m.-10:10 a.m.

1 stop29h 10m

C$ 880

BostonDublin

BOS Boston Logan Intl - DUB Dublin

BOSDUB

Boston Logan Intl

Thu 18/2

6:00 a.m.-7:30 a.m.

1 stop20h 30m

Dublin

Sun 21/2

9:00 a.m.-2:53 p.m.

2 stops34h 53m

C$ 885

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Boston to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Boston with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Boston to Dublin

How far ahead should I book a flight from Boston to Dublin?

The price you pay for your flight from Boston to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Dublin?

Currently, February is the cheapest month in which you can book a flight from Boston to Dublin (average of C$ 606). Flying from Boston to Dublin in June is currently the most expensive (average of C$ 1,117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to DUB?

When flying from Boston to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Boston to Dublin?

Airfare is typical for this route at the moment.

Boston to Dublin flights typically cost between C$ 619 and C$ 968 in April.
The cheapest round-trip price found within the last 5 days was C$ 621 on Icelandair (26 Apr-7 May).

Reviews of airlines servicing Dublin

Read through reviews of airlines operating flights from Boston to Dublin, such as Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

BOS - SNN

Seats were very uncomfortable and mine was falling apart. My entertainment system didn’t work at all, just a black screen. It was hot in the plane, the airflow alternated between room temperature and warm. The food was gross.
Aer Lingus
7.3
Good
1,878 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

BOS - SNN

Seats were very uncomfortable and mine was falling apart. My entertainment system didn’t work at all, just a black screen. It was hot in the plane, the airflow alternated between room temperature and warm. The food was gross.

Related info for your journey

  • What airports do I use to fly from Boston to Dublin?

    Booking a flight from Boston Logan Intl (BOS) to Dublin (DUB) is your only option if you wish to fly from Boston to Dublin. On a typical day, there are 11 flights from Logan Intl to Dublin, all of which are around 31h 40m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Logan Intl to Dublin.

  • How popular is this Boston to Dublin flight route?

    Flights from Boston Logan Intl to Dublin have been viewed 9 times in the past calendar month.

  • How long is the flight from Boston to Dublin?

    There are many flights that can get you from Boston to Dublin in 12h 45m. Fly via United Airlines or Delta to get the fastest option. The distance between Boston and Dublin is about 4801 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Boston to Dublin round-trip?

    Our cheapest airline available from Boston to Dublin is Aer Lingus. Our recent data shows that you can find tickets from as low as C$ 548 on this airline. Aer Lingus is currently priced 35% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Boston to Dublin?

    The top 3 most reliable airlines when flying from Boston to Dublin are Qatar Airways (98%), American Airlines (97%) and Aer Lingus (97%).

  • Can I find deals for flights from Boston to Dublin that include hotel bookings?

    Yes. In addition to deals on Boston to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Dublin.

  • Can I find deals for business class flights from Boston to Dublin?

    Yes. Cheapflights offers flight deals from Boston to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Dublin?

    Currently, February is the cheapest month in which you can book a flight from Boston to Dublin (average of C$ 606). Flying from Boston to Dublin in June is currently the most expensive (average of C$ 1,117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Swords
Athlone

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Top airline flying from Boston to Dublin

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapestC$ 548AverageC$ 859FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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When you search for this flight from Boston to Dublin, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Dublin, users can toggle the no change fees filter when performing a flight search.

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