Cheap flights from Massachusetts to Northern Ireland from £234

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
14 Jun — 21 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Massachusetts to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Massachusetts to Northern Ireland
Explore the most affordable flight options available from Massachusetts to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 May 2026.

Wed 16/922:55
BOS
-
BFS
2 stops19h 15m
Multiple Airlines
Wed 30/909:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Deal found 14/5£461
Tue 15/910:05
BOS
-
BFS
2 stops25h 15m
Multiple Airlines
Sun 27/906:10
BFS
-
BOS
1 stop20h 35m
Multiple Airlines
Deal found 14/5£576
Tue 18/821:15
BOS
-
BFS
2 stops17h 05m
Multiple Airlines
Tue 25/807:35
BFS
-
BOS
3 stops40h 15m
Multiple Airlines
Deal found 14/5£594
Tue 15/910:05
BOS
-
BFS
2 stops25h 15m
Multiple Airlines
Wed 30/909:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Deal found 14/5£596
Mon 14/923:00
BOS
-
BFS
2 stops12h 15m
Multiple Airlines
Sun 27/906:10
BFS
-
BOS
1 stop20h 35m
Multiple Airlines
Deal found 14/5£608
Wed 16/923:00
BOS
-
BFS
2 stops13h 05m
Multiple Airlines
Sun 27/906:10
BFS
-
BOS
1 stop20h 35m
Multiple Airlines
Deal found 14/5£612
Thu 11/605:50
BOS
-
BFS
3 stops32h 05m
Multiple Airlines
Thu 18/620:05
BFS
-
BOS
2 stops29h 50m
Multiple Airlines
Deal found 13/5£614
Sun 13/921:40
BOS
-
BFS
2 stops18h 20m
Multiple Airlines
Sun 27/906:10
BFS
-
BOS
1 stop20h 35m
Multiple Airlines
Deal found 14/5£620
Mon 14/923:00
BOS
-
BFS
2 stops16h 40m
Multiple Airlines
Wed 30/909:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Deal found 14/5£623
Sun 13/911:15
BOS
-
BFS
2 stops22h 20m
Multiple Airlines
Wed 30/909:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Deal found 14/5£625
Fri 18/923:00
BOS
-
BFS
2 stops17h 50m
Multiple Airlines
Wed 30/909:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Deal found 14/5£632
Tue 1/1221:35
BOS
-
BHD
1 stop12h 15m
British Airways
Mon 7/1214:40
BHD
-
BOS
1 stop12h 15m
British Airways
Deal found 10/5£664

Find flight deals from Massachusetts to Northern Ireland

Keep the following information in mind while searching for Massachusetts to Northern Ireland flight deals. Data was last updated 15 May 2026.

Round-trip from

£461

One-way from

£234

Popular in

November

Cheapest in

February

Average price

£620
16/9-30/9
  • 16/9-30/9
  • 3 total stops
  • 35h 45m total
  • Massachusetts to Northern Ireland
3/7
  • 3/7
  • 3 total stops
  • 37h 45m total
  • Massachusetts to Northern Ireland
Highest demand for flights based on searches. 29% potential increase in price (£184 potential increase over avg. return price).
Cheapest flight prices on average. 8% potential price decrease (£37 potential savings vs. average return price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Massachusetts to Northern 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 858,174 searches. Data last updated 15 May 2026.
Use the filters below to find and compare flights from Massachusetts to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 15/9

10:05-16:20

2 stops25h 15m

Belfast Intl

Sun 27/9

06:10-21:45

1 stop20h 35m

£576

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 2/10

20:50-21:15

3 stops19h 25m

Belfast Intl

Mon 12/10

21:55-14:45

3 stops45h 50m

£652

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 9/6

12:30-19:50

2 stops26h 20m

Belfast Intl

Tue 16/6

05:55-17:59

2 stops17h 04m

£668
Fastest return journey

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 19/8

21:50-13:35

1 stop10h 45m

Belfast City

Mon 24/8

06:30-17:00

1 stop15h 30m

£672

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 14/10

20:50-21:00

3 stops19h 10m

Belfast Intl

Fri 16/10

16:10-20:20

3 stops33h 10m

£681

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 28/9

07:25-08:50

1 stop20h 25m

Belfast City

Wed 30/9

11:35-20:05

1 stop13h 30m

£683

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 5/6

05:50-16:30

3 stops29h 40m

Belfast Intl

Thu 11/6

06:10-20:55

3 stops43h 45m

£683

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 25/10

08:30-08:25

1 stop19h 55m

Belfast City

Fri 6/11

14:50-21:55

1 stop12h 05m

£684

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 15/6

18:55-20:40

2 stops20h 45m

Belfast Intl

Sun 21/6

08:25-09:50

3 stops30h 25m

£687

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 27/5

10:45-15:55

2 stops24h 10m

Belfast Intl

Mon 1/6

06:30-21:27

3 stops19h 57m

£687

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 35 resultsSorted by cheapest first
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Best time to book a flight from Massachusetts to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Massachusetts 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 Massachusetts to Northern Ireland

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

Currently, March is the cheapest month in which you can book a flight from Massachusetts to Northern Ireland (average of £384). Flying from Massachusetts to Northern Ireland in December is currently the most expensive (average of £743). 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.

How much does it cost for a return flight from Massachusetts to Northern Ireland?

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Massachusetts to Northern Ireland?

    There are many flights that can get you from Massachusetts to Northern Ireland in 10h 45m. Fly via British Airways to get the fastest option. Airlines will cover a distance of 2981 mi.

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

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

  • How can I find direct flights from Massachusetts to Northern Ireland?

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

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

    Yes. Cheapflights offers flight deals from Massachusetts to Northern 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 Massachusetts to Northern Ireland?

    Currently, March is the cheapest month in which you can book a flight from Massachusetts to Northern Ireland (average of £384). Flying from Massachusetts to Northern Ireland in December is currently the most expensive (average of £743). 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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Alternative routes for Massachusetts to Northern Ireland

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How does Cheapflights help users find flights from Massachusetts to Northern Ireland?

Cheapflights makes it easy to find Massachusetts to Northern Ireland 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 Massachusetts to Northern Ireland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Massachusetts to Northern Ireland for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Northern Ireland from Massachusetts? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Massachusetts to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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