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$218+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 50 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 September 16, 2025.

Round-trip from

$343
(United Airlines)

One-way from

$218
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$561

Good round-trip deal

$407 or less

Good one-way deal

$317 or less
From Boston Logan Intl to Dublin
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One-way flight from Boston Logan Intl to Dublin
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Highest demand for flights based on searches. 13% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Dublin.
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Price to beat on a one-way flight from Boston Logan Intl to Dublin.
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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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/248:47 pmBOS - DUB
1 stop31h 23mUnited Airlines
Sat 11/18:00 amDUB - BOS
2 stops38h 50mUnited Airlines
Deal found 9/15$343
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 12/210:05 pmBOS - DUB
Nonstop6h 15mDelta
Thu 12/119:45 amDUB - BOS
1 stop12h 32mDelta
Deal found 9/15$344
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 11/59:50 pmBOS - DUB
1 stop14h 55mMultiple Airlines
Wed 11/129:00 amDUB - BOS
1 stop18h 37mMultiple Airlines
Deal found 9/15$345
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/54:10 pmBOS - DUB
2 stops34h 00mUnited Airlines
Wed 11/129:00 amDUB - BOS
2 stops34h 08mUnited Airlines
Deal found 9/14$347
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 12/59:15 amBOS - DUB
1 stop17h 30mDelta
Thu 12/1110:45 amDUB - BOS
1 stop10h 26mDelta
Deal found 9/15$348
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 11/410:20 pmBOS - DUB
Nonstop6h 00mDelta
Tue 11/118:50 amDUB - BOS
2 stops20h 05mDelta
Deal found 9/15$349
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/216:15 amBOS - DUB
1 stop19h 55mUnited Airlines
Sun 11/309:00 amDUB - BOS
2 stops37h 50mUnited Airlines
Deal found 9/16$350
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Sun 10/2610:35 amBOS - DUB
2 stops15h 35mAir Canada
Mon 11/39:00 amDUB - BOS
2 stops15h 12mAir Canada
Deal found 9/14$351
This Delta deal was found by Cheapflights users on 9/15. 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 10/1510:12 amBOS - DUB
1 stop17h 33mDelta
Wed 10/2212:00 pmDUB - BOS
Nonstop7h 15mDelta
Deal found 9/15$352
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 12/19:15 amBOS - DUB
1 stop17h 30mDelta
Mon 12/811:30 amDUB - BOS
Nonstop7h 10mDelta
Deal found 9/15$353
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Tue 10/2112:10 pmBOS - DUB
2 stops15h 05mMultiple Airlines
Fri 11/79:00 amDUB - BOS
2 stops15h 12mMultiple Airlines
Deal found 9/14$355

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 September 16, 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

Tue 12/2

10:05 pm-9:20 am

Nonstop6h 15m

Dublin

Thu 12/11

9:45 am-5:17 pm

1 stop12h 32m

$344

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 12/7

10:05 pm-9:20 am

Nonstop6h 15m

Dublin

Thu 12/18

9:45 am-11:59 pm

1 stop19h 14m

$344

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/7

3:35 pm-8:40 am

1 stop12h 05m

Dublin

Tue 11/11

11:30 am-8:01 pm

1 stop13h 31m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 10/28

7:54 pm-9:55 am

1 stop10h 01m

Dublin

Sat 11/8

9:00 am-10:37 pm

1 stop18h 37m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 11/13

2:59 pm-7:45 am

1 stop11h 46m

Dublin

Tue 11/18

10:45 am-4:15 pm

1 stop10h 30m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 12/9

2:55 pm-7:45 am

1 stop11h 50m

Dublin

Sun 12/14

10:45 am-4:11 pm

1 stop10h 26m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 10/8

5:55 am-7:10 am

1 stop20h 15m

Dublin

Mon 11/24

9:00 am-6:02 pm

1 stop14h 02m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 10/8

5:45 am-7:55 am

1 stop21h 10m

Dublin

Mon 11/24

10:45 am-10:25 pm

1 stop16h 40m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 10/20

9:59 am-9:15 am

1 stop18h 16m

Dublin

Sat 11/1

9:45 am-7:30 pm

1 stop13h 45m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 10/22

12:10 pm-8:45 am

1 stop15h 35m

Dublin

Sat 11/1

9:45 am-7:30 pm

1 stop13h 45m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 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 September 12, 2025.

The best time to book flights from Boston to Dublin is 50 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 $923). 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 September 16, 2025.

It’s optimal to fly from Boston to Dublin at noon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

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 September 16, 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
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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 France
7.4
Good
1,468 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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!
Aer Lingus
7.2
Good
1,274 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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
7.2
Good
2,914 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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!
PLAY
7.0
Good
103 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

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 15 different airlines have flights from Logan Intl (BOS) to Dublin (DUB) on a regular basis. There are 14 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 110 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 6h 15m. Fly via Delta or United Airlines to get the fastest option. The distance from Boston to Dublin is about 2983 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Boston to Dublin round-trip from $283. Other airlines that can offer you cheap pricing are Air Canada, from $350, and United Airlines, from $353. PLAY is priced at 50% lower than the current average price of a flight leaving 3 months from now.

  • 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: Air France (88%), KLM (87%), Delta (87%).

  • What are the cheapest flights from Boston to Dublin?

    The cheapest flight price from Boston to Dublin is $249. On average you can expect to pay $978. The most popular route, (Boston Logan Intl - Dublin), can usually be booked for $308.

  • 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 $56 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 $923). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$283Average$379FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$350Average$479FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$353Average$570FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$354Average$396FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$359Average$466FlexibilityNo cancel feeOn-time76%
SWISSCheapest$376Average$466FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$376Average$576FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$379Average$664FlexibilityNo cancel feeOn-time62%
DeltaCheapest$380Average$609FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$382Average$590FlexibilityNo cancel feeOn-timeN/A

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