Ireland

$153+ Cheap flights from Boston (BOS) to Ireland

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
août 19 — août 261
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Cheap flight deals from Boston to Ireland

Keep the following information in mind while searching for Boston to Ireland flight deals. Data was last updated août 14, 2025.

Round-trip from

$356
(Delta)

One-way from

$153
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$598

Good round-trip deal

$437 or less

Good one-way deal

$318 or less
From Boston Logan Intl to Ireland
One-way flight from Boston Logan Intl to Ireland
Highest demand for flights based on searches. 13% potential increase in price ($91 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Boston Logan Intl to Ireland.
Price to beat on a one-way flight from Boston Logan Intl to Ireland.

Find flight deals from Boston to Ireland

Cheapest flights from Boston to Ireland
Explore the most affordable flight options available from Boston to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/181:35 pmBOS - DUB
1 stop14h 10mDelta
mer. 8/271:15 pmDUB - BOS
1 stop11h 10mDelta
Deal found 8/14$356
This Delta deal was found by Cheapflights users on 8/13. 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.
dim. 12/285:40 amBOS - DUB
1 stop21h 05mDelta
sam. 1/108:45 amDUB - BOS
1 stop12h 35mDelta
Deal found 8/13$357
This Iberia deal was found by Cheapflights users on 8/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/37:29 pmBOS - DUB
1 stop11h 11mIberia
jeu. 9/119:15 amDUB - BOS
1 stop15h 35mIberia
Deal found 8/14$358
This Delta deal was found by Cheapflights users on 8/12. 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.
jeu. 11/610:20 pmBOS - DUB
Nonstop6h 00mDelta
dim. 11/910:45 amDUB - BOS
1 stop25h 40mDelta
Deal found 8/12$359
This Flightnetwork deal was found by Cheapflights users on 8/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/15:30 pmBOS - DUB
Nonstop6h 00mAer Lingus
dim. 9/74:45 pmDUB - BOS
Nonstop7h 00mAer Lingus
Deal found 8/12$360
This United deal was found by Cheapflights users on 8/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2810:25 amBOS - DUB
2 stops17h 45mMultiple Airlines
mar. 11/412:55 pmDUB - BOS
1 stop12h 25mMultiple Airlines
Deal found 8/14$361
This KLM deal was found by Cheapflights users on 8/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2010:30 pmBOS - ORK
1 stop11h 10mKLM
mer. 11/56:00 amORK - BOS
1 stop17h 55mKLM
Deal found 8/13$362
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/183:25 pmBOS - DUB
1 stop12h 20mDelta
ven. 8/291:15 pmDUB - BOS
1 stop11h 10mDelta
Deal found 8/14$362
This United Airlines deal was found by Cheapflights users on 8/14. 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.
dim. 9/75:30 amBOS - DUB
1 stop23h 50mUnited Airlines
dim. 9/149:50 amDUB - BOS
1 stop30h 39mUnited Airlines
Deal found 8/14$363
This Iberia deal was found by Cheapflights users on 8/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/25:40 pmBOS - DUB
1 stop13h 00mIberia
mar. 9/309:35 pmDUB - BOS
1 stop28h 40mIberia
Deal found 8/12$364
This Iberia deal was found by Cheapflights users on 8/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/186:45 pmBOS - DUB
1 stop29h 45mIberia
dim. 11/29:40 amDUB - BOS
1 stop34h 35mIberia
Deal found 8/14$365
This United Airlines deal was found by Cheapflights users on 8/14. 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.
jeu. 9/45:30 amBOS - DUB
1 stop23h 50mUnited Airlines
jeu. 9/119:20 amDUB - BOS
1 stop29h 10mUnited Airlines
Deal found 8/14$366

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Ireland 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 août 14, 2025.
Use the filters below to find and compare flights from Boston to Ireland that are best for you.

Fly from

Boston

Fly to

Ireland

Route

Depart

Return

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

lun. 10/20

3:00 pm-9:15 am

1 stop13h 15m

Dublin

dim. 11/2

8:45 am-4:20 pm

1 stop12h 35m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

dim. 10/19

1:00 pm-9:15 am

1 stop15h 15m

Dublin

dim. 11/2

5:00 am-4:20 pm

1 stop15h 20m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mer. 12/31

2:00 pm-7:45 am

1 stop12h 45m

Dublin

sam. 1/10

8:45 am-4:20 pm

1 stop12h 35m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mar. 10/21

1:00 pm-9:15 am

1 stop15h 15m

Dublin

dim. 11/2

8:45 am-4:20 pm

1 stop12h 35m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mer. 12/31

12:25 pm-8:45 am

1 stop15h 20m

Dublin

jeu. 1/8

5:15 pm-1:20 pm

1 stop25h 05m

$358

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

dim. 8/24

11:40 pm-10:45 am

Nonstop6h 05m

Dublin

mer. 9/3

1:15 pm-7:26 pm

1 stop11h 11m

$358

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

dim. 8/24

11:40 pm-10:45 am

Nonstop6h 05m

Dublin

mar. 9/2

12:00 pm-12:19 am

1 stop17h 19m

$358

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mer. 10/15

11:40 pm-10:45 am

Nonstop6h 05m

Dublin

mer. 10/22

10:00 am-10:04 pm

1 stop17h 04m

$358

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

dim. 9/7

11:35 pm-10:45 am

Nonstop6h 10m

Dublin

mar. 9/16

10:00 am-7:42 pm

1 stop14h 42m

$358

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mar. 8/26

11:40 pm-10:45 am

Nonstop6h 05m

Dublin

mer. 9/3

1:15 pm-11:00 pm

1 stop14h 45m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 51 results
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Best time to book a flight from Boston to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland

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

Currently, November is the cheapest month in which you can book a flight from Boston to Ireland (average of $509). Flying from Boston to Ireland 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 IE?

Find hourly flight availability from Boston to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated août 14, 2025.

When flying from Boston to Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 13% versus a flight in the morning.

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

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

Travelers seeking maximum savings on their Boston to Ireland flight should consider departing on Wednesday evenings 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 Ireland

Explore weekly flight availability from Boston to Ireland. 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 août 14, 2025.

The most flights from BOS to IE0 are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated août 14, 2025.
See what other customers who have flown with Delta, KLM, and JetBlue from Boston to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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!
8.0
Very good
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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!
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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!
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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!
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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!
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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 Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Boston to Ireland?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Ireland. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How popular is this Boston to Ireland flight route?

  • What are the most popular routes from Boston to Ireland?

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

    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 Ireland on time: Air France (91%), JetBlue (91%), American Airlines (91%).

  • What are the cheapest flights from Boston to Ireland?

    Looking for the cheapest flight from Boston to Ireland? While on average our users pay $1,714, our data indicates the cheapest price to be $268. The most popular route (Boston Logan Intl - Dublin), is priced around $307.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Ireland 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 Ireland?

    Currently, November is the cheapest month in which you can book a flight from Boston to Ireland (average of $509). Flying from Boston to Ireland 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Boston to Ireland

Discover the top 10 airlines that operate flights from Boston to Ireland. 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 août 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$626FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$282Average$375FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$352Average$380FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$353Average$479FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$357Average$470FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$363Average$596FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$379Average$581FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$380Average$809FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$405Average$477FlexibilityNo cancel feeOn-time77%
SWISSCheapest$407Average$488FlexibilityNo cancel feeOn-time79%

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