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Cheap flights from Ireland to Boston from £333

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BOS
31 Aug — 7 Sep1
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 1 August 2026.

Sat 5/905:55
DUB
-
BOS
1 stop12h 24m
Delta
Wed 16/917:10
BOS
-
DUB
1 stop20h 15m
Delta
Deal found 29/7£415
Sat 12/908:55
DUB
-
BOS
1 stop14h 35m
Multiple Airlines
Sat 19/922:00
BOS
-
DUB
1 stop12h 25m
Multiple Airlines
Deal found 29/7£415
Tue 1/911:10
DUB
-
BOS
1 stop10h 25m
KLM
Tue 8/923:35
BOS
-
DUB
Nonstop6h 10m
KLM
Deal found 28/7£416
Thu 3/908:55
DUB
-
BOS
1 stop12h 40m
Delta
Sat 12/923:35
BOS
-
DUB
Nonstop6h 10m
Delta
Deal found 29/7£417
Thu 17/911:10
DUB
-
BOS
1 stop10h 25m
Delta
Tue 29/923:35
BOS
-
DUB
Nonstop6h 10m
Delta
Deal found 29/7£418
Thu 19/1108:50
DUB
-
BOS
2 stops19h 05m
Delta
Sat 28/1116:55
BOS
-
DUB
1 stop11h 05m
Delta
Deal found 30/7£418
Mon 21/1211:55
DUB
-
BOS
Nonstop7h 10m
Multiple Airlines
Thu 7/118:25
BOS
-
DUB
1 stop9h 35m
Multiple Airlines
Deal found 29/7£419
Sat 12/1216:05
DUB
-
BOS
1 stop10h 45m
British Airways
Mon 4/121:30
BOS
-
DUB
1 stop10h 05m
British Airways
Deal found 30/7£420
Tue 22/1210:55
DUB
-
BOS
1 stop13h 45m
British Airways
Sat 9/119:35
BOS
-
DUB
2 stops12h 10m
British Airways
Deal found 29/7£421
Mon 26/1004:25
DUB
-
BOS
1 stop20h 30m
TAP AIR PORTUGAL
Sat 31/1023:10
BOS
-
DUB
1 stop20h 10m
TAP AIR PORTUGAL
Deal found 27/7£421
Thu 8/1015:00
DUB
-
BOS
Nonstop7h 13m
Delta
Sat 24/1017:55
BOS
-
DUB
1 stop11h 05m
Delta
Deal found 29/7£422
Tue 1/915:00
DUB
-
BOS
Nonstop7h 12m
Air France
Tue 8/923:35
BOS
-
DUB
Nonstop6h 10m
Air France
Deal found 29/7£423

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 1 August 2026.

Round-trip from

£415

One-way from

£333

Popular in

July

Cheapest in

November

Average price

£567

Good round-trip deal

£445 or less

Good one-way deal

£338 or less
Delta
  • Delta
  • 5/9-16/9
  • 2 total stops
  • 32h 39m total
  • Ireland to Boston
Search Deals
14/9
  • 14/9
  • 2 total stops
  • 22h 15m total
  • Ireland to Boston
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 1 August 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
Fastest return journey

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

£416

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 17/9

11:10-16:35

1 stop10h 25m

Boston Logan Intl

Tue 29/9

23:35-10:45

Nonstop6h 10m

£418

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

20:25-17:05

1 stop25h 40m

Boston Logan Intl

Tue 8/9

20:05-19:30

1 stop18h 25m

£418

DublinBoston

DUB - BOS

DUBBOS

Dublin

Sat 5/12

13:10-19:40

1 stop11h 30m

Boston Logan Intl

Wed 9/12

19:15-17:00

1 stop16h 45m

£425

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

08:55-16:35

1 stop12h 40m

Boston Logan Intl

Tue 8/9

23:35-10:45

Nonstop6h 10m

£427

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 18/9

05:55-13:19

1 stop12h 24m

Boston Logan Intl

Wed 23/9

23:35-10:45

Nonstop6h 10m

£429

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 17/9

19:50-15:35

2 stops24h 45m

Boston Logan Intl

Tue 29/9

17:40-18:20

1 stop19h 40m

£430

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 17/9

19:50-15:35

2 stops24h 45m

Boston Logan Intl

Mon 28/9

17:40-18:20

1 stop19h 40m

£431
Cheapest one-way

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 27/1

16:55-14:40

1 stop26h 45m

£339

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 26/1

16:55-14:40

1 stop26h 45m

£339

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 18 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, November is the cheapest month in which you can book a flight from Ireland to Boston (average of £347). Flying from Ireland to Boston in July is currently the most expensive (average of £610). 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 1 August 2026.

It’s optimal to fly from Ireland to Boston in the evening. By choosing this option you can save up to 22% 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 1 August 2026.

The most flights from IE0 to BOS are scheduled on a Monday (15 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 128 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 Friday 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, Aer Lingus 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 56 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 1 August 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
1,552 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Air France
7.5
Good
1,632 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Aer Lingus
7.3
Good
1,683 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
JetBlue
7.1
Good
3,030 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Icelandair
7.0
Good
716 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 543 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 10h 25m. Ireland and Boston are separated by a distance of 2983 mi. This flight may include one or multiple stops.

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

    The top 3 most reliable airlines when flying from Ireland to Boston are JetBlue (87%), Iberia (86%) and Qatar Airways (85%).

  • What are the cheapest flights from Ireland to Boston?

    Looking for the cheapest flight from Ireland to Boston? While on average our users pay £1,107, our data indicates the cheapest price to be £214. The most popular route (Dublin - Boston Logan Intl), is priced around £492.

  • 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, November is the cheapest month in which you can book a flight from Ireland to Boston (average of £347). Flying from Ireland to Boston in July is currently the most expensive (average of £610). 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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£278Average£421FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£293Average£524FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£303Average£383FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£311Average£557FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£319Average£477FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£332Average£446FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest£341Average£552FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£364Average£565FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£429Average£629FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£464Average£553FlexibilityNo 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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