Ireland

$304+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
Jun 14 — Jun 211
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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 May 15, 2026.

This United Airlines deal was found by Cheapflights users on 5/11. 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 9/167:25 pm
BOS
-
DUB
1 stop30h 55m
United Airlines
Thu 9/249:20 am
DUB
-
BOS
1 stop29h 30m
United Airlines
Deal found 5/11$585
This Delta deal was found by Cheapflights users on 5/11. 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 9/1111:35 pm
BOS
-
DUB
Nonstop6h 10m
Delta
Sat 9/191:15 pm
DUB
-
BOS
1 stop14h 21m
Delta
Deal found 5/11$586
This SmartFares deal was found by Cheapflights users on 5/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:00 pm
BOS
-
DUB
1 stop12h 00m
JetBlue
Sun 10/1810:40 am
DUB
-
BOS
Nonstop7h 11m
JetBlue
Deal found 5/10$587
This United Airlines deal was found by Cheapflights users on 5/11. 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 10/85:45 am
BOS
-
DUB
1 stop23h 55m
United Airlines
Tue 10/139:50 am
DUB
-
BOS
1 stop29h 05m
United Airlines
Deal found 5/11$590
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:15 pm
BOS
-
DUB
Nonstop6h 10m
Aer Lingus
Fri 10/912:45 pm
DUB
-
BOS
Nonstop7h 10m
Aer Lingus
Deal found 5/11$591
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:25 pm
BOS
-
DUB
Nonstop6h 10m
Aer Lingus
Sun 10/114:45 pm
DUB
-
BOS
Nonstop7h 05m
Aer Lingus
Deal found 5/10$592
This Ovago deal was found by Cheapflights users on 5/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:20 pm
BOS
-
DUB
Nonstop6h 00m
Aer Lingus
Sat 11/211:00 pm
DUB
-
BOS
1 stop14h 37m
Aer Lingus
Deal found 5/11$593
This KAYAK deal was found by Cheapflights users on 5/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:34 am
BOS
-
DUB
1 stop11h 56m
Aer Lingus
Sun 5/171:20 pm
DUB
-
BOS
1 stop14h 19m
Aer Lingus
Deal found 5/11$594
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:50 pm
BOS
-
DUB
1 stop9h 25m
Icelandair
Sun 11/2911:30 am
DUB
-
BOS
1 stop11h 20m
Icelandair
Deal found 5/10$595
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:45 pm
BOS
-
DUB
1 stop14h 20m
TAP AIR PORTUGAL
Sat 10/314:25 am
DUB
-
BOS
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 5/11$596
This FlightHub deal was found by Cheapflights users on 5/10. 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.
Tue 12/15:35 pm
BOS
-
DUB
2 stops35h 35m
Scandinavian Airlines
Mon 12/712:30 pm
DUB
-
BOS
1 stop32h 10m
Scandinavian Airlines
Deal found 5/10$599
This eDestinos deal was found by Cheapflights users on 5/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:25 pm
BOS
-
DUB
Nonstop6h 10m
Aer Lingus
Sun 10/1812:45 pm
DUB
-
BOS
Nonstop7h 10m
Aer Lingus
Deal found 5/10$600

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 May 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(United Airlines)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$571

Good round-trip deal

$674 or less

Good one-way deal

$456 or less
Provider with most accurate pricing for Boston Logan Intl-Dublin flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Dublin flights.
From Boston Logan Intl to Ireland
One-way flight from Boston Logan Intl to Ireland
Highest demand for flights based on searches. 16% potential increase in price ($101 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in May 2026
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.

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 May 15, 2026.
Use the filters below to find and compare flights from Boston to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Wed 9/9

5:00 pm-2:40 pm

2 stops16h 40m

Cork

Wed 9/16

6:15 am-6:30 pm

1 stop17h 15m

$618

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Wed 9/9

7:00 pm-11:30 pm

1 stop23h 30m

Cork

Mon 9/14

10:50 am-1:19 pm

1 stop31h 29m

$624

BostonCork

BOS - ORK

BOSORK

Boston Logan Intl

Wed 9/9

7:00 pm-4:35 pm

1 stop16h 35m

Cork

Wed 9/16

10:50 am-4:35 pm

1 stop10h 45m

$625

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 5/29

11:30 pm-10:45 am

Nonstop6h 15m

Dublin

Tue 6/9

3:00 pm-5:11 pm

Nonstop7h 11m

$636
Quickest round-trip

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 7/27

11:45 pm-10:45 am

Nonstop6h 00m

Dublin

Mon 8/3

3:00 pm-5:17 pm

Nonstop7h 17m

$648

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 7/29

5:15 pm-10:00 am

1 stop11h 45m

Dublin

Wed 8/5

3:00 pm-5:17 pm

Nonstop7h 17m

$653

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 8/6

8:55 am-8:45 am

1 stop18h 50m

Dublin

Wed 8/12

3:00 pm-5:17 pm

Nonstop7h 17m

$653

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Thu 8/13

7:05 am-7:30 am

1 stop19h 25m

Shannon

Mon 8/17

9:30 am-9:59 pm

1 stop17h 29m

$660

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 7/23

5:10 pm-8:15 am

1 stop10h 05m

Dublin

Fri 7/31

3:00 pm-5:17 pm

Nonstop7h 17m

$669

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 8/5

9:30 am-7:45 am

2 stops17h 15m

Dublin

Tue 8/11

9:50 am-9:48 am

2 stops28h 58m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 52 resultsSorted by cheapest first
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2
3
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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

How far ahead should I book a flight from Boston to Ireland?

To ensure you get the cheapest price possible for a flight from Boston to Ireland, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Boston to Ireland (average of $311). Flying from Boston to Ireland in December is currently the most expensive (average of $882). 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 May 15, 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 May 15, 2026.

The most flights from BOS to IE0 are scheduled on a Monday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 on average).

How often are flights from Boston to Ireland delayed?

About 7% of weekly flights between Boston and Ireland have experienced delays in the past year, with the average delay time being 146 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 in the early afternoon tend to experience delays more often.

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

Wednesday 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 May 15, 2026.
See what other customers who have flown with Delta,Air France, andAer 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.

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

  • How long is the flight from Boston to Ireland?

    For as low as $618, Delta can have you in Ireland from Boston in 16h 40m. 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?

    $85 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on PLAY and Icelandair, with prices starting from $156 and $161, respectively.

  • 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: Qatar Airways (95%), Iberia (94%), American Airlines (92%).

  • What are the cheapest flights from Boston to Ireland?

    Looking for the cheapest flight from Boston to Ireland? While on average our users pay $1,502, our data indicates the cheapest price to be $368. The most popular route (Boston Logan Intl - Dublin), is priced around $334.

  • 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, January is the cheapest month in which you can book a flight from Boston to Ireland (average of $311). Flying from Boston to Ireland in December is currently the most expensive (average of $882). 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

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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 May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$584FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$288Average$453FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$312Average$493FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$316Average$397FlexibilityNo cancel feeOn-time76%
PLAYCheapest$321Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$334Average$485FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$339Average$683FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$343Average$914FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$347Average$429FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$348Average$479FlexibilityNo cancel feeOn-time77%

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