HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$220+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Ireland 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.

Cheap 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 February 12, 2026.

This Mytrip deal was found by Cheapflights users on 2/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:30 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Wed 4/151:45 pm
SNN
-
BOS
Nonstop6h 55m
Aer Lingus
Deal found 2/9$349
This KLM deal was found by Cheapflights users on 2/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:15 pm
BOS
-
DUB
Nonstop6h 05m
KLM
Sun 3/111:30 am
DUB
-
BOS
Nonstop7h 10m
KLM
Deal found 2/9$350
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:30 am
BOS
-
DUB
1 stop17h 40m
United Airlines
Wed 2/189:00 am
DUB
-
BOS
1 stop11h 57m
United Airlines
Deal found 2/9$351
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:50 am
BOS
-
DUB
1 stop14h 55m
Delta
Sun 3/111:30 am
DUB
-
BOS
Nonstop7h 10m
Delta
Deal found 2/9$352
This Mytrip deal was found by Cheapflights users on 2/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/101:00 pm
BOS
-
DUB
1 stop13h 10m
Multiple Airlines
Tue 2/1710:50 am
DUB
-
BOS
1 stop12h 45m
Multiple Airlines
Deal found 2/9$353
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:15 pm
BOS
-
DUB
2 stops13h 05m
United Airlines
Sun 3/19:00 am
DUB
-
BOS
2 stops17h 51m
United Airlines
Deal found 2/9$354
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:15 am
BOS
-
DUB
1 stop19h 55m
United Airlines
Sun 3/88:00 am
DUB
-
BOS
2 stops37h 50m
United Airlines
Deal found 2/9$355
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:30 pm
BOS
-
DUB
Nonstop6h 15m
Delta
Tue 4/143:00 pm
DUB
-
BOS
Nonstop7h 04m
Delta
Deal found 2/9$356
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:15 pm
BOS
-
DUB
1 stop9h 55m
United Airlines
Fri 5/19:50 am
DUB
-
BOS
1 stop13h 09m
United Airlines
Deal found 2/9$357
This FlightHub deal was found by Cheapflights users on 2/10. 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 3/46:40 pm
BOS
-
DUB
2 stops31h 30m
Air Canada
Wed 3/118:00 am
DUB
-
BOS
1 stop11h 57m
Air Canada
Deal found 2/10$358
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Thu 3/1910:15 am
BOS
-
DUB
2 stops15h 55m
Multiple Airlines
Mon 3/235:55 pm
DUB
-
BOS
1 stop29h 40m
Multiple Airlines
Deal found 2/10$359
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:05 am
BOS
-
DUB
2 stops18h 05m
United Airlines
Sat 3/148:00 am
DUB
-
BOS
2 stops37h 50m
United Airlines
Deal found 2/9$360

Find flight deals from Boston to Ireland

Keep the following information in mind while searching for Boston to Ireland flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Mytrip)

One-way from

$220
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$424

Good round-trip deal

$438 or less

Good one-way deal

$328 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 Ireland
Search Deals
One-way flight from Boston Logan Intl to Ireland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Ireland.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Ireland.
Search Deals

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 February 12, 2026.
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

Mon 2/23

11:15 am-7:45 am

1 stop15h 30m

Dublin

Wed 3/4

11:30 am-1:40 pm

Nonstop7h 10m

$355

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 3/7

6:15 am-6:10 am

1 stop18h 55m

Dublin

Sat 3/14

8:00 am-5:50 pm

2 stops37h 50m

$355

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 2/25

9:05 am-7:45 am

1 stop17h 40m

Dublin

Mon 3/2

11:30 am-1:40 pm

Nonstop7h 10m

$355

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 2/25

3:30 pm-7:45 am

1 stop11h 15m

Dublin

Wed 3/4

11:30 am-1:40 pm

Nonstop7h 10m

$355

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 2/28

2:20 pm-9:55 am

2 stops14h 35m

Dublin

Mon 3/9

8:00 am-3:57 pm

1 stop11h 57m

$356

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 2/25

7:45 am-7:30 am

2 stops18h 45m

Dublin

Sun 3/1

9:00 am-6:02 pm

1 stop14h 02m

$356

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 4/5

11:30 pm-10:45 am

Nonstop6h 15m

Dublin

Thu 4/16

3:00 pm-5:04 pm

Nonstop7h 04m

$356

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 3/1

7:45 am-10:20 am

2 stops21h 35m

Dublin

Sun 3/8

8:00 am-5:50 pm

2 stops37h 50m

$356

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 4/7

5:45 am-7:20 am

1 stop20h 35m

Dublin

Wed 4/15

9:50 am-10:38 pm

1 stop17h 48m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 2/27

1:00 pm-7:10 am

1 stop13h 10m

Dublin

Sun 3/8

8:00 am-3:57 pm

1 stop11h 57m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 59 results
1
2
3
...
6

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 $313). Flying from Boston to Ireland in June is currently the most expensive (average of $412). 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 February 12, 2026.

When flying from Boston to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 February 12, 2026.

The most flights from BOS to IE0 are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 on average).

How often are flights from Boston to Ireland delayed?

About 6% of weekly flights between Boston and Ireland have experienced delays in the past year, with the average delay time being 150 minutes.

What is the most punctual flight time for Boston to Ireland flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Ireland flights?

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 5% of flights being delayed.

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 February 12, 2026.
See what other customers who have flown with Delta, Air France, and American Airlines 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.
Delta
7.9
Good
8,187 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,187 reviews
Delta
7.9
Good
8,187 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air France
7.4
Good
1,532 reviews
Delta
7.9
Good
8,187 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,277 reviews
Delta
7.9
Good
8,187 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aer Lingus
7.2
Good
1,449 reviews
Delta
7.9
Good
8,187 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,896 reviews
Delta
7.9
Good
8,187 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Within the past month, 114 users have taken a look at flights from Boston Logan Intl to Ireland.

  • How long is the flight from Boston to Ireland?

    For as low as $405, Delta can have you in Ireland from Boston in 12h 45m. The distance from Boston to Ireland is about 2915 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $156 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Scandinavian Airlines and JetBlue, with prices starting from $188 and $199, respectively.

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

    Most travelers choose Boston Logan Intl - Dublin, Boston Logan Intl - Shannon or Boston Logan Intl - Cork when deciding on the best route 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: Qatar Airways (93%), American Airlines (91%), Aer Lingus (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 $1,326, our data indicates the cheapest price to be $239. The most popular route (Boston Logan Intl - Dublin), is priced around $298.

  • 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 $313). Flying from Boston to Ireland in June is currently the most expensive (average of $412). 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

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

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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$597FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$246Average$419FlexibilityNo cancel feeOn-time76%
SWISSCheapest$288Average$466FlexibilityNo cancel feeOn-time79%
PLAYCheapest$301Average$377FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$343Average$1,013FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$345Average$555FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$345Average$693FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$349Average$526FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$350Average$442FlexibilityNo cancel feeOn-time67%
KLMCheapest$350Average$622FlexibilityNo cancel feeOn-time75%

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.
Site
©2026 Cheapflights