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Cheap flights from Ireland to Boston from £338

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BOS
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Boston
Explore the most affordable flight options available from Ireland to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 June 2026.

Fri 9/1012:15
DUB
-
BOS
1 stop14h 30m
Icelandair
Tue 13/1020:50
BOS
-
DUB
1 stop9h 15m
Icelandair
Deal found 17/6£365
Tue 1/906:00
DUB
-
BOS
1 stop14h 40m
Lufthansa
Tue 8/919:23
BOS
-
DUB
1 stop10h 17m
Lufthansa
Deal found 17/6£369
Tue 1/906:00
DUB
-
BOS
1 stop19h 10m
Lufthansa
Wed 16/914:28
BOS
-
DUB
1 stop15h 12m
Lufthansa
Deal found 18/6£372
Fri 16/1012:15
DUB
-
BOS
1 stop14h 30m
Icelandair
Mon 19/1023:00
BOS
-
DUB
1 stop9h 15m
Icelandair
Deal found 17/6£391
Thu 15/1014:15
DUB
-
BOS
1 stop9h 35m
Icelandair
Sun 25/1023:40
BOS
-
DUB
1 stop30h 35m
Icelandair
Deal found 14/6£392
Thu 19/1111:30
DUB
-
BOS
1 stop11h 20m
Icelandair
Sat 28/1119:50
BOS
-
DUB
1 stop9h 25m
Icelandair
Deal found 18/6£395
Thu 3/914:15
DUB
-
BOS
1 stop9h 35m
Icelandair
Mon 7/923:00
BOS
-
DUB
1 stop9h 15m
Icelandair
Deal found 18/6£398
Fri 9/1011:10
DUB
-
BOS
1 stop12h 20m
KLM
Tue 13/1009:55
BOS
-
DUB
2 stops17h 25m
KLM
Deal found 17/6£400
Tue 1/914:15
DUB
-
BOS
1 stop12h 30m
Icelandair
Tue 8/920:50
BOS
-
DUB
1 stop9h 15m
Icelandair
Deal found 18/6£401

Find flight deals from Ireland to Boston

Keep the following information in mind while searching for Ireland to Boston flight deals. Data was last updated 19 June 2026.

Round-trip from

£365

One-way from

£338

Popular in

July

Cheapest in

February

Average price

£568

Good round-trip deal

£456 or less

Good one-way deal

£511 or less
Icelandair
  • Icelandair
  • 14/9-30/9
  • 2 total stops
  • 21h 00m total
  • Ireland to Boston
Search Deals
Aer Lingus
  • Aer Lingus
  • 27/8
  • 1 total stop
  • 11h 35m total
  • Ireland to Boston
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£110 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Ireland to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Ireland to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Boston 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 858,174 searches. Data last updated 19 June 2026.
Use the filters below to find and compare flights from Ireland to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 16/10

12:15-21:45

1 stop14h 30m

Boston Logan Intl

Mon 19/10

23:00-13:15

1 stop9h 15m

£391

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 3/9

14:15-18:50

1 stop9h 35m

Boston Logan Intl

Mon 7/9

23:00-13:15

1 stop9h 15m

£398

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

14:15-18:50

1 stop9h 35m

Boston Logan Intl

Tue 8/9

20:50-11:05

1 stop9h 15m

£401

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

10:30-17:00

1 stop11h 30m

Boston Logan Intl

Tue 8/9

19:40-14:35

1 stop13h 55m

£410

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

08:55-16:35

1 stop12h 40m

Boston Logan Intl

Tue 8/9

21:45-15:25

1 stop12h 40m

£410

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

11:10-16:35

1 stop10h 25m

Boston Logan Intl

Tue 8/9

23:35-10:45

Nonstop6h 10m

£412

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

05:55-13:39

1 stop12h 44m

Boston Logan Intl

Tue 8/9

23:35-10:45

Nonstop6h 10m

£416
Fastest return journey

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

15:00-17:12

Nonstop7h 12m

Boston Logan Intl

Wed 30/9

23:35-10:45

Nonstop6h 10m

£416
Cheapest one-way

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 9/12

16:55-14:40

1 stop26h 45m

£350

DublinBoston

DUB - BOS

DUBBOS

Dublin

Sat 12/12

04:15-19:55

1 stop20h 40m

£350

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Ireland to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Ireland with our price prediction graph.
Estimated return 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 Ireland to Boston

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

Currently, September is the cheapest month in which you can book a flight from Ireland to Boston (average of £239). Flying from Ireland to Boston in June is currently the most expensive (average of £635). 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 IE to BOS?

Find hourly flight availability from Ireland to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 June 2026.

It’s optimal to fly from Ireland to Boston in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Ireland to Boston

Explore weekly flight availability from Ireland to Boston. 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 19 June 2026.

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

How often are flights from Ireland to Boston delayed?

About 9% of weekly flights between Ireland and Boston have experienced delays in the past year, with the average delay time being 120 minutes.

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

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

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

Over the past year, JetBlue have had the lowest number of delays on this route, with just 8% of flights being delayed.

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

The best time to book flights from Ireland to Boston is 57 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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated 19 June 2026.
Read through reviews of airlines operating flights from Ireland to Boston, such as KLM,Air France, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,530 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air France
7.4
Good
1,610 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Aer Lingus
7.3
Good
1,607 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
JetBlue
7.1
Good
2,987 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
679 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Ireland to Boston. 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 into for flights to Boston from Ireland?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Ireland to Boston. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • How popular is this Ireland to Boston flight route?

    This flight path from Ireland to Boston Logan Intl was viewed by 621 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 Ireland to Boston?

    Departing from Ireland to Boston will take you 14h 30m. Ireland and Boston are separated by a distance of 2983 mi.

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

    The top 3 most reliable airlines when flying from Ireland to Boston are JetBlue (93%), Qatar Airways (92%) and American Airlines (91%).

  • What are the cheapest flights from Ireland to Boston?

    Looking for the cheapest flight from Ireland to Boston? While on average our users pay £554, our data indicates the cheapest price to be £290. The most popular route (Dublin - Boston Logan Intl), is priced around £413.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Ireland to Boston (average of £239). Flying from Ireland to Boston in June is currently the most expensive (average of £635). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Canton
North Truro
Waltham
Warwick
Cambridge
Peabody
Wellfleet
Revere
Somerville
Quincy
Chelmsford

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 Ireland to Boston

Discover the top 10 airlines that operate flights from Ireland to Boston. 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 858,174 searches. Data last updated 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£275Average£377FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£299Average£528FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£308Average£389FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£316Average£566FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£324Average£471FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£337Average£447FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest£346Average£563FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£370Average£576FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£436Average£639FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£471Average£561FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Boston?

Cheapflights makes it easy to find Ireland to Boston flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Boston?

Millions of users choose and trust Cheapflights to book the best flight deals from Ireland to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ireland to Boston with no change fees?

Yes, we can. To see specific flights from Ireland to Boston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to Boston become cheaper?

Yes, Cheapflights offers price alerts on Ireland to Boston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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