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$199+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$340
(lol.travel)

One-way from

$199
(JetBlue)

Popular in

June

Cheapest in

February

Average price

$557

Good round-trip deal

$402 or less

Good one-way deal

$268 or less
Provider with most accurate pricing for Boston Logan Intl-Dublin flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Dublin flights.
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From Boston Logan Intl to Ireland
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One-way flight from Boston Logan Intl to Ireland
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Highest demand for flights based on searches. 14% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 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 Ireland.
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Price to beat on a one-way flight from Boston Logan Intl to Ireland.
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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 September 29, 2025.

This CheapOair deal was found by Cheapflights users on 9/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:25 amBOS - DUB
1 stop13h 50mAer Lingus
Sun 11/164:45 pmDUB - BOS
Nonstop7h 10mAer Lingus
Deal found 9/28$346
This FlightHub deal was found by Cheapflights users on 9/28. 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 11/269:20 pmBOS - DUB
Nonstop6h 00mAer Lingus
Wed 12/174:45 pmDUB - BOS
Nonstop7h 10mAer Lingus
Deal found 9/28$348
This Aer Lingus deal was found by Cheapflights users on 9/27. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:30 pmBOS - DUB
Nonstop6h 00mMultiple Airlines
Wed 11/191:15 pmDUB - BOS
1 stop14h 32mMultiple Airlines
Deal found 9/27$349
This CheapOair deal was found by Cheapflights users on 9/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:55 pmBOS - DUB
1 stop30h 15mAir Canada
Sun 11/99:00 amDUB - BOS
1 stop11h 57mAir Canada
Deal found 9/27$350
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Thu 10/3010:50 pmBOS - DUB
1 stop14h 55mMultiple Airlines
Tue 11/410:50 amDUB - BOS
1 stop12h 45mMultiple Airlines
Deal found 9/28$351
This lastminute.com deal was found by Cheapflights users on 9/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:10 pmBOS - DUB
Nonstop6h 05mAer Lingus
Wed 11/191:15 pmDUB - BOS
1 stop14h 32mAer Lingus
Deal found 9/28$352
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/310:10 amBOS - DUB
2 stops19h 10mUnited Airlines
Mon 11/109:00 amDUB - BOS
2 stops37h 50mUnited Airlines
Deal found 9/28$353
This United Airlines deal was found by Cheapflights users on 9/27. 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 12/14:29 pmBOS - DUB
1 stop12h 26mUnited Airlines
Tue 12/910:40 amDUB - BOS
1 stop16h 05mUnited Airlines
Deal found 9/27$354
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 10/232:36 pmBOS - DUB
1 stop11h 34mUnited Airlines
Sun 11/99:00 amDUB - BOS
1 stop14h 02mUnited Airlines
Deal found 9/28$355
This FlightHub deal was found by Cheapflights users on 9/27. 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 11/209:20 pmBOS - DUB
Nonstop6h 00mAer Lingus
Mon 11/244:45 pmDUB - BOS
Nonstop7h 10mAer Lingus
Deal found 9/27$356
This Priceline deal was found by Cheapflights users on 9/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:20 amBOS - DUB
2 stops16h 55mAir Canada
Wed 11/199:00 amDUB - BOS
2 stops15h 12mAir Canada
Deal found 9/27$357
This Aer Lingus deal was found by Cheapflights users on 9/27. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:25 amBOS - SNN
1 stop13h 30mMultiple Airlines
Mon 11/102:45 pmSNN - BOS
Nonstop7h 05mMultiple Airlines
Deal found 9/27$357

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 September 29, 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

Fri 3/20

6:15 am-6:10 am

1 stop19h 55m

Dublin

Fri 3/27

8:00 am-5:50 pm

2 stops37h 50m

$350

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 10/28

3:37 pm-5:55 am

1 stop10h 18m

Shannon

Tue 11/4

2:45 pm-4:50 pm

Nonstop7h 05m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 3/23

1:30 pm-10:20 am

2 stops16h 50m

Dublin

Fri 4/3

9:50 am-9:51 am

1 stop29h 01m

$357

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Thu 11/6

11:25 am-5:55 am

1 stop13h 30m

Shannon

Mon 11/10

2:45 pm-4:50 pm

Nonstop7h 05m

$357

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 3/21

6:30 pm-9:55 am

1 stop11h 25m

Dublin

Sun 3/29

6:40 pm-7:55 pm

1 stop30h 15m

$362

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 12/10

7:45 pm-9:55 am

1 stop9h 10m

Dublin

Tue 12/16

12:05 pm-6:48 pm

1 stop11h 43m

$363

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/7

6:25 pm-8:40 am

1 stop9h 15m

Dublin

Tue 11/11

11:30 am-5:24 pm

1 stop10h 54m

$363

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 3/1

4:15 pm-7:30 am

1 stop10h 15m

Dublin

Tue 3/17

9:30 am-3:25 pm

1 stop9h 55m

$363

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 2/14

4:13 pm-8:40 am

1 stop11h 27m

Dublin

Thu 2/19

11:30 am-4:51 pm

1 stop10h 21m

$363

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 11/12

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Mon 11/17

2:00 pm-12:03 am

1 stop15h 03m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 48 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 $921). 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 September 29, 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 September 29, 2025.

The most flights from BOS to IE0 are scheduled on a Monday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 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 September 29, 2025.
See what other customers who have flown with Delta, Air France, and Aer Lingus 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
8.0
Very good
7,964 reviews

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
7,964 reviews

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
1,302 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
2,912 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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
7,964 reviews

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

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?

    Within the past month, 110 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 $350, United Airlines can have you in Ireland from Boston in 19h 55m. The distance from Boston to Ireland is about 2983 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?

    $199 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Aer Lingus and British Airways, with prices starting from $218 and $393, 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: Air France (88%), KLM (87%), Delta (87%).

  • What are the cheapest flights from Boston to Ireland?

    Looking for the cheapest flight from Boston to Ireland? While on average our users pay $1,062, our data indicates the cheapest price to be $251. The most popular route (Boston Logan Intl - Dublin), is priced around $236.

  • 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 $921). 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.

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Alternative routes for Boston to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$609FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$282Average$378FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$347Average$475FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$353Average$584FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$354Average$396FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$359Average$466FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$368Average$717FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$370Average$573FlexibilityNo cancel feeOn-time77%
SWISSCheapest$376Average$466FlexibilityNo cancel feeOn-time79%
JetBlueCheapest$379Average$799FlexibilityNo cancel feeOn-time62%

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