HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$268+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Dublin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Wednesday or Tuesday 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 July 9, 2025.

Round-trip from

$379
(United Airlines)

One-way from

$268
(JetBlue)

Popular in

June

Cheapest in

February

Average price

$676

Good round-trip deal

$439 or less

Good one-way deal

$435 or less
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. 14% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 9, 2025.

This Gotogate deal was found by Cheapflights users on 7/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/233:20 pmBOS - DUB
1 stop11h 25mMultiple Airlines
Wed 8/139:00 amDUB - BOS
1 stop11h 40mMultiple Airlines
Deal found 7/9$379
This Air Canada deal was found by Cheapflights users on 7/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/612:15 pmBOS - DUB
2 stops14h 30mAir Canada
Wed 8/139:50 amDUB - BOS
1 stop17h 48mAir Canada
Deal found 7/9$380
This oojo deal was found by Cheapflights users on 7/9. 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.
Sun 9/218:50 pmBOS - DUB
1 stop11h 25mIcelandair
Thu 9/252:15 pmDUB - BOS
1 stop9h 35mIcelandair
Deal found 7/9$381
This Delta deal was found by Cheapflights users on 7/8. 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.
Wed 9/35:30 pmBOS - DUB
1 stop11h 30mDelta
Tue 9/163:00 pmDUB - BOS
Nonstop7h 10mDelta
Deal found 7/8$383
This JetBlue deal was found by Cheapflights users on 7/9. 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.
Mon 8/411:15 amBOS - DUB
1 stop16h 05mJetBlue
Fri 8/810:40 amDUB - BOS
Nonstop7h 11mJetBlue
Deal found 7/9$386
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Fri 8/159:40 amBOS - DUB
2 stops17h 35mUnited Airlines
Tue 8/199:20 amDUB - BOS
2 stops33h 52mUnited Airlines
Deal found 7/7$390
This FlightHub deal was found by Cheapflights users on 7/8. 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.
Wed 9/245:30 pmBOS - DUB
Nonstop6h 00mAer Lingus
Wed 10/112:40 pmDUB - BOS
Nonstop7h 00mAer Lingus
Deal found 7/8$392
This oojo deal was found by Cheapflights users on 7/9. 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.
Wed 9/2410:40 pmBOS - DUB
1 stop20h 25mTAP AIR PORTUGAL
Tue 10/76:50 pmDUB - BOS
1 stop24h 30mTAP AIR PORTUGAL
Deal found 7/9$408
This Lufthansa deal was found by Cheapflights users on 7/7. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/229:30 amBOS - DUB
2 stops26h 25mLufthansa
Mon 7/288:00 pmDUB - BOS
1 stop26h 40mLufthansa
Deal found 7/7$427

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 July 9, 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

Wed 7/23

3:20 pm-7:45 am

1 stop11h 25m

Dublin

Wed 8/13

9:00 am-3:40 pm

1 stop11h 40m

$379

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 8/6

12:15 pm-7:45 am

2 stops14h 30m

Dublin

Wed 8/13

9:50 am-10:38 pm

1 stop17h 48m

$380

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 9/21

8:50 pm-1:15 pm

1 stop11h 25m

Dublin

Thu 9/25

2:15 pm-6:50 pm

1 stop9h 35m

$381

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 9/3

5:30 pm-10:00 am

1 stop11h 30m

Dublin

Tue 9/16

3:00 pm-5:10 pm

Nonstop7h 10m

$383

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 8/4

11:15 am-8:20 am

1 stop16h 05m

Dublin

Fri 8/8

10:40 am-12:51 pm

Nonstop7h 11m

$386

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 8/15

8:47 am-8:15 am

2 stops18h 28m

Dublin

Tue 8/19

9:20 am-12:43 pm

2 stops32h 23m

$390

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 9/24

5:30 pm-4:30 am

Nonstop6h 00m

Dublin

Wed 10/1

12:40 pm-2:40 pm

Nonstop7h 00m

$392

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 8/26

9:40 pm-5:50 pm

1 stop15h 10m

Dublin

Thu 9/25

1:00 pm-3:25 pm

1 stop31h 25m

$407

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 9/24

10:40 pm-12:05 am

1 stop20h 25m

Dublin

Mon 9/29

5:30 am-2:20 pm

1 stop13h 50m

$408

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 7/23

8:05 pm-4:55 pm

1 stop15h 50m

Dublin

Tue 7/29

8:00 pm-5:40 pm

1 stop26h 40m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 18 results
1
2

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

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 June 27, 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 $509). Flying from Boston to Dublin in June is currently the most expensive (average of $925). 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 July 9, 2025.

It’s optimal to fly from Boston to Dublin at noon. By choosing this option you can save up to 36% 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. Thursday 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 July 9, 2025.

The most flights from BOS to DUB are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

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 July 9, 2025.
Read reviews from past customers who have flown Delta, SWISS, and United Airlines 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
8.0
Very good
7,954 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,650 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,842 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,909 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,691 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 11 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 34 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 $379. Other airlines that can offer you cheap pricing are Air Canada, from $380, and Icelandair, from $381. United Airlines is priced at 34% 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 JetBlue, with whom users have recently found tickets for as low as $268. However, be on the lookout for offers from TAP AIR PORTUGAL and PLAY, 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: JetBlue (92%), American Airlines (91%), Aer Lingus (91%).

  • What are the cheapest flights from Boston to Dublin?

    The cheapest flight price from Boston to Dublin is $308. On average you can expect to pay $1,843. The most popular route, (Boston Logan Intl - Dublin), can usually be booked for $284.

  • 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 $78 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 $925). 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?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$280Average$379FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$352Average$380FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$353Average$476FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$548FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$371Average$596FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$397Average$584FlexibilityNo cancel feeOn-time77%
DeltaCheapest$403Average$593FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$404Average$735FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$405Average$477FlexibilityNo cancel feeOn-time77%
SWISSCheapest$407Average$491FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.