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$243+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Boston Logan Intl to Dublin are usually found in February or November, booked 45 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(Booking.com)

One-way from

$248
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$500

Good round-trip deal

$579 or less

Good one-way deal

$480 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.
Search Deals
From Boston Logan Intl to Dublin
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One-way flight from Boston Logan Intl to Dublin
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 11/76:20 pmBOS - DUB
1 stop10h 20mPLAY
Thu 11/1311:00 amDUB - BOS
1 stop11h 00mPLAY
Deal found 3/18$387
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 11/78:00 pmBOS - DUB
1 stop9h 15mIcelandair
Tue 11/1111:30 amDUB - BOS
1 stop11h 15mIcelandair
Deal found 3/18$408
This Mytrip deal was found by Cheapflights users on 3/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:30 amBOS - DUB
2 stops21h 00mMultiple Airlines
Wed 5/711:35 amDUB - BOS
2 stops24h 38mMultiple Airlines
Deal found 3/19$414
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 11/412:55 pmBOS - DUB
1 stop13h 15mUnited Airlines
Wed 11/129:00 amDUB - BOS
1 stop11h 57mUnited Airlines
Deal found 3/18$429
This oojo deal was found by Cheapflights users on 3/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:40 pmBOS - DUB
1 stop19h 35mScandinavian Airlines
Mon 8/257:05 pmDUB - BOS
1 stop25h 30mScandinavian Airlines
Deal found 3/20$434
This Justfly.com deal was found by Cheapflights users on 3/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amBOS - DUB
2 stops20h 10mAir Canada
Fri 11/149:00 amDUB - BOS
1 stop11h 57mAir Canada
Deal found 3/18$436
This SWISS deal was found by Cheapflights users on 3/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:55 pmBOS - DUB
1 stop14h 55mSWISS
Tue 11/1112:55 pmDUB - BOS
1 stop12h 25mSWISS
Deal found 3/18$452
This FlightHub deal was found by Cheapflights users on 3/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:20 pmBOS - DUB
Nonstop5h 55mAer Lingus
Wed 11/1911:35 amDUB - BOS
Nonstop7h 10mAer Lingus
Deal found 3/19$504
This JetBlue deal was found by Cheapflights users on 3/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:05 pmBOS - DUB
Nonstop6h 15mJetBlue
Wed 10/2211:30 amDUB - BOS
Nonstop7h 15mJetBlue
Deal found 3/20$531

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 March 21, 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

Sun 3/30

7:15 pm-9:35 am

1 stop9h 20m

Dublin

Thu 4/3

11:35 am-5:50 pm

1 stop11h 15m

$388

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 5/3

8:30 am-10:30 am

2 stops21h 00m

Dublin

Wed 5/7

11:35 am-7:13 am

2 stops24h 38m

$414

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 5/6

5:40 pm-11:50 am

1 stop13h 10m

Dublin

Tue 5/13

12:40 pm-3:35 pm

1 stop31h 55m

$463

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 4/2

2:48 pm-10:20 am

1 stop14h 32m

Dublin

Tue 4/8

9:50 am-10:36 pm

1 stop17h 46m

$511

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 4/2

10:50 am-8:15 am

2 stops16h 25m

Dublin

Wed 4/9

9:50 am-10:36 pm

1 stop17h 46m

$513

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 4/2

9:40 pm-5:50 pm

1 stop15h 10m

Dublin

Tue 4/8

1:00 pm-7:55 pm

1 stop11h 55m

$520

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 3/25

9:00 pm-10:15 am

1 stop9h 15m

Dublin

Tue 4/1

12:15 pm-11:35 am

1 stop28h 20m

$522

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 6/1

5:30 pm-4:30 am

Nonstop6h 00m

Dublin

Wed 6/11

12:40 pm-2:40 pm

Nonstop7h 00m

$549

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 5/4

5:15 pm-9:15 am

1 stop11h 00m

Dublin

Tue 5/13

3:00 pm-5:10 pm

Nonstop7h 10m

$561

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 5/13

5:05 pm-9:15 am

1 stop11h 10m

Dublin

Fri 5/23

12:00 pm-2:10 pm

Nonstop7h 10m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 23 results
1
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*2 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.

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 avoid lines at BOS, enhancing your departure experience.

Read more about BOSby Paul Rubio
DUB

For a quick trip to Dublin, use the Aircoach from Terminal 2, departing every 15 minutes.

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

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 March 14, 2025.

The best time to book flights from Boston to Dublin is 45 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 $509). Flying from Boston to Dublin in June is currently the most expensive (average of $1,016). 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 March 21, 2025.

It’s optimal to fly from Boston to Dublin at noon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Dublin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Dublin flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Dublin

Explore weekly flight availability from Boston to Dublin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 21, 2025.

The most flights from BOS to DUB are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 March 21, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and SWISS from Boston to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,567 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,937 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 14 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 43 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Cheapflights users have booked flights from Boston to Dublin round-trip from $389. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $434, and SWISS, from $520. PLAY is priced at 33% 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 PLAY, with whom users have recently found tickets for as low as $248. However, be on the lookout for offers from Icelandair and TAP AIR PORTUGAL, 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: American Airlines (93%), Aer Lingus (93%), JetBlue (93%).

  • What are the cheapest flights from Boston to Dublin?

    The cheapest flight price from Boston to Dublin is $400. On average you can expect to pay $2,094. The most popular route, (Boston Logan Intl - Dublin), can usually be booked for $298.

  • 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?

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool can be accessed by traveling approximately 23.2 mi, 23.3 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 $53 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 $509). Flying from Boston to Dublin in June is currently the most expensive (average of $1,016). 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 Boston?

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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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$281Average$393FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$327Average$520FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$352Average$377FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$365Average$517FlexibilityNo cancel feeOn-time76%
SWISSCheapest$419Average$940FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$428Average$620FlexibilityNo cancel feeOn-time77%
KLMCheapest$429Average$604FlexibilityNo cancel feeOn-time75%
DeltaCheapest$429Average$617FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$430Average$607FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$439Average$584FlexibilityNo cancel feeOn-time70%
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