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$227+ Cheap flights from Boston (BOS) to Dublin (DUB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Dublin are usually found in February or November, booked 44 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Boston to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(Kiwi.com)

One-way from

$227
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$493

Good round-trip deal

$397 or less

Good one-way deal

$320 or less
Provider with most accurate pricing for Boston Logan Intl-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Dublin flights.
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From Boston Logan Intl to Dublin
Search Deals
One-way flight from Boston Logan Intl to Dublin
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Dublin.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Dublin.
Search Deals

Find flight deals from Boston to Dublin

Cheapest flights from Boston to Dublin
Explore the most affordable flight options available from Boston to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2710:50 pmBOS - DUB
1 stop33h 10mSWISS
mié. 11/1212:50 pmDUB - BOS
1 stop12h 30mSWISS
Deal found 10/21$339
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/96:15 amBOS - DUB
1 stop19h 55mMultiple Airlines
mar. 11/1812:55 pmDUB - BOS
1 stop12h 25mMultiple Airlines
Deal found 10/20$340
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/29:20 pmBOS - DUB
Nonstop6h 00mAer Lingus
dom. 12/711:40 amDUB - BOS
Nonstop7h 15mAer Lingus
Deal found 10/22$342
This United deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:00 amBOS - DUB
1 stop22h 55mMultiple Airlines
mié. 12/109:00 amDUB - BOS
1 stop29h 57mMultiple Airlines
Deal found 10/19$343
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/55:10 pmBOS - DUB
Nonstop6h 05mAer Lingus
vie. 12/124:45 pmDUB - BOS
Nonstop7h 10mAer Lingus
Deal found 10/21$344
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2810:45 amBOS - DUB
1 stop15h 25mAir Canada
vie. 12/59:00 amDUB - BOS
1 stop11h 57mAir Canada
Deal found 10/21$345
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/149:20 pmBOS - DUB
Nonstop6h 00mAer Lingus
mié. 11/194:45 pmDUB - BOS
Nonstop7h 10mAer Lingus
Deal found 10/21$346
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/149:20 pmBOS - DUB
Nonstop6h 00mAer Lingus
lun. 11/1711:40 amDUB - BOS
Nonstop7h 15mAer Lingus
Deal found 10/22$347
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/910:20 pmBOS - DUB
Nonstop6h 00mDelta
lun. 11/1711:30 amDUB - BOS
Nonstop7h 10mDelta
Deal found 10/22$348
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1310:20 pmBOS - DUB
Nonstop6h 00mDelta
lun. 11/1711:30 amDUB - BOS
Nonstop7h 10mDelta
Deal found 10/20$349
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/256:15 amBOS - DUB
1 stop19h 55mUnited Airlines
vie. 12/59:00 amDUB - BOS
1 stop18h 37mUnited Airlines
Deal found 10/19$350

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 22, 2025.
Use the filters below to find and compare flights from Boston to Dublin that are best for you.

Fly from

Boston

Fly to

Dublin

Route

Depart

Return

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

lun. 12/1

8:15 am-7:45 am

1 stop18h 30m

Dublin

lun. 12/15

11:30 am-1:40 pm

Nonstop7h 10m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

jue. 12/4

2:55 pm-7:45 am

1 stop11h 50m

Dublin

lun. 12/8

11:30 am-1:40 pm

Nonstop7h 10m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

sáb. 11/8

11:30 am-7:45 am

1 stop15h 15m

Dublin

vie. 11/14

11:30 am-1:40 pm

Nonstop7h 10m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mié. 11/12

9:59 am-8:45 am

1 stop17h 46m

Dublin

mié. 11/19

11:30 am-1:40 pm

Nonstop7h 10m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

vie. 11/14

1:42 pm-7:45 am

1 stop13h 03m

Dublin

lun. 11/24

11:30 am-1:40 pm

Nonstop7h 10m

$354

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

dom. 11/9

5:30 am-10:20 am

1 stop23h 50m

Dublin

lun. 11/17

9:00 am-9:57 am

1 stop29h 57m

$358

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

dom. 3/22

5:00 pm-8:45 am

1 stop11h 45m

Dublin

sáb. 4/4

3:00 pm-5:20 pm

Nonstop7h 20m

$358

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mar. 3/31

8:00 pm-11:10 am

1 stop10h 10m

Dublin

lun. 4/6

9:50 am-10:38 pm

1 stop17h 48m

$359

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

jue. 11/13

10:20 pm-9:20 am

Nonstop6h 00m

Dublin

jue. 11/20

10:45 am-4:14 pm

1 stop10h 29m

$359

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

jue. 3/26

11:15 pm-9:20 am

Nonstop6h 05m

Dublin

dom. 4/5

10:00 am-7:11 pm

1 stop14h 11m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 22 results
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Compare providers for flights from Boston to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Dublin in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Dublin. Price data was last updated on October 17, 2025.

The best time to book flights from Boston to Dublin is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Boston to Dublin (average of $325). Flying from Boston to Dublin in June is currently the most expensive (average of $427). 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?

Find hourly flight availability from Boston to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 22, 2025.

It’s optimal to fly from Boston to Dublin at noon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.

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

The best insider tips for Boston to Dublin flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Dublin trip
Airports
BOS

Use the FlyLogan App to pre-order meals and save time at BOS. Most restaurants participate, ensuring your food is ready for pick-up.

Read more about BOSby Paul Rubio
DUB

For a budget-friendly ride to Dublin, take the local bus 16 from Terminal 1. It’s cheaper but takes longer than express options.

Read more about DUBby James March
Our travel experts
James March

James March

Expert on DUB

James March

James March

For UK-based James March, nothing beats the thrill and chaos of arriving in a new city for the first time, and he tries to put that feeling into his writing and inspire others to travel too. From Birmingham to Blackpool and Leicester to Liverpool, James has reviewed hotels, written narratives and created guides for those who love to travel.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated octubre 22, 2025.
Read reviews from past customers who have flown Delta, Air France, and Aer Lingus from Boston to Dublin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,979 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,979 reviews
Delta
7.9
Good
7,979 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air France
7.4
Good
1,477 reviews
Delta
7.9
Good
7,979 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aer Lingus
7.2
Good
1,350 reviews
Delta
7.9
Good
7,979 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
JetBlue
7.2
Good
2,908 reviews
Delta
7.9
Good
7,979 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
PLAY
7.0
Good
Delta
7.9
Good
7,979 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Boston to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    You will need to book a flight from Boston Logan Intl to Dublin if you want to fly from Boston to Dublin. At least 15 different airlines have flights from Logan Intl (BOS) to Dublin (DUB) on a regular basis. There are 10 flights to Dublin from the Boston airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOS to DUB to be around 5h 55m.

  • How popular is this Boston to Dublin flight route?

    The Boston Logan Intl to Dublin flight path was viewed by 116 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Dublin?

    There are many flights that can get you from Boston to Dublin in 18h 30m. Fly via Delta to get the fastest option. The distance from Boston to Dublin is about 2983 mi.

  • What are the cheapest airlines flying from Boston to Dublin round-trip?

    Cheapflights users have booked flights from Boston to Dublin round-trip from $291. Other airlines that can offer you cheap pricing are Air Canada, from $347, and United Airlines, from $353. PLAY is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boston to Dublin one-way?

    The cheapest airline one-way is LEVEL, with whom users have recently found tickets for as low as $238. However, be on the lookout for offers from Aer Lingus and JetBlue, as they are both options that can get you from Boston to Dublin for a low price.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Dublin on time: Qatar Airways (91%), JetBlue (84%), Air France (84%).

  • What are the cheapest flights from Boston to Dublin?

    The cheapest flight price from Boston to Dublin is $203. On average you can expect to pay $1,068. The most popular route, (Boston Logan Intl - Dublin), can usually be booked for $278.

  • Where are the most common layover locations when flying from Boston to Dublin?

    The most popular layover on flights from Boston to Dublin is Reykjavik.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool can be accessed by traveling approximately 23.3 mi, 23.2 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $48 per day.

  • Where are the least popular layover locations for Boston to Dublin flights?

    Of the flights from Boston to Dublin that have layovers, the fewest flights stop in London.

  • 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, November is the cheapest month in which you can book a flight from Boston to Dublin (average of $325). Flying from Boston to Dublin in June is currently the most expensive (average of $427). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Top 10 airlines flying from Boston to Dublin

Discover the top 10 airlines that operate flights from Boston to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$291Average$381FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$347Average$472FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$353Average$567FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$354Average$399FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$359Average$467FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$360Average$568FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$360Average$585FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$376Average$466FlexibilityNo cancel feeOn-time79%
DeltaCheapest$377Average$605FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$379Average$649FlexibilityNo cancel feeOn-time62%

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