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Cheap flights from Massachusetts to Northern Ireland from £258

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
7 déc. — 14 déc.1
1 adult
1 adult, Economy, 0 bags

Find 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 7 novembre 2025.

jeu. 11/1218:55BOS - BHD
1 stop18h 55mBritish Airways
jeu. 18/1206:35BHD - BOS
1 stop20h 20mBritish Airways
Deal found 6/11£450
ven. 5/1218:55BOS - BHD
1 stop10h 35mBritish Airways
ven. 12/1206:45BHD - BOS
1 stop20h 10mBritish Airways
Deal found 6/11£467
ven. 7/1119:25BOS - BHD
1 stop10h 05mBritish Airways
ven. 14/1106:45BHD - BOS
1 stop14h 25mBritish Airways
Deal found 6/11£480
jeu. 6/1121:35BOS - BHD
1 stop13h 40mBritish Airways
mer. 19/1106:35BHD - BOS
1 stop12h 45mBritish Airways
Deal found 6/11£529
jeu. 11/1219:50BOS - BFS
2 stops20h 15mMultiple Airlines
jeu. 18/1212:10BFS - BOS
3 stops36h 50mMultiple Airlines
Deal found 6/11£536
ven. 5/1219:50BOS - BFS
3 stops24h 05mMultiple Airlines
ven. 12/1208:05BFS - BOS
3 stops35h 30mMultiple Airlines
Deal found 5/11£543
ven. 5/1215:40BOS - BHD
3 stops24h 10mMultiple Airlines
ven. 12/1207:00BHD - BOS
2 stops18h 00mMultiple Airlines
Deal found 5/11£569
jeu. 11/1221:20BOS - BHD
2 stops18h 35mAer Lingus
jeu. 18/1210:20BHD - BOS
2 stops13h 35mAer Lingus
Deal found 6/11£583
ven. 7/1122:45BOS - BFS
2 stops18h 15mMultiple Airlines
ven. 14/1121:20BFS - BOS
3 stops27h 35mMultiple Airlines
Deal found 6/11£640
jeu. 6/1118:30BOS - BHD
2 stops17h 20mMultiple Airlines
mer. 19/1117:20BHD - BOS
1 stop25h 00mMultiple Airlines
Deal found 6/11£667
dim. 14/1211:35BOS - BFS
2 stops26h 20mMultiple Airlines
jeu. 1/106:15BFS - BOS
3 stops18h 40mMultiple Airlines
Deal found 5/11£807
jeu. 6/1122:45BOS - BFS
2 stops17h 50mMultiple Airlines
mer. 19/1107:40BFS - BOS
3 stops41h 15mMultiple Airlines
Deal found 6/11£909

Cheap 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 7 novembre 2025.

Round-trip from

£412

One-way from

£258

Popular in

December

Cheapest in

September

Average price

£505
British Airways
  • British Airways
  • 3/3-31/3
  • 2 total stops
  • 22h 45m total
  • Massachusetts to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 6/3
  • 1 total stop
  • 11h 40m total
  • Massachusetts to Northern Ireland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 7 novembre 2025.
Use the filters below to find and compare flights from Massachusetts to Northern Ireland that are best for you.

Fly from

Massachusetts

Fly to

Northern Ireland

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

jeu. 11/12

18:55-18:50

1 stop18h 55m

Belfast City

jeu. 18/12

06:35-21:55

1 stop20h 20m

£450

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

ven. 5/12

18:55-10:30

1 stop10h 35m

Belfast City

ven. 12/12

06:45-21:55

1 stop20h 10m

£467

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

sam. 31/1

17:18-10:20

2 stops36h 02m

Belfast City

sam. 7/2

18:00-14:20

1 stop25h 20m

£480

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

sam. 31/1

19:15-11:10

1 stop10h 55m

Belfast City

sam. 7/2

06:35-16:48

2 stops15h 13m

£500

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

dim. 29/3

19:30-11:30

1 stop11h 00m

Belfast City

mer. 1/4

10:00-22:35

1 stop17h 35m

£528

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

jeu. 11/12

19:50-21:05

2 stops20h 15m

Belfast Intl

jeu. 18/12

12:10-20:00

3 stops36h 50m

£536

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

ven. 5/12

19:50-00:55

3 stops24h 05m

Belfast Intl

ven. 12/12

08:05-14:35

3 stops35h 30m

£543

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

ven. 27/3

07:30-16:50

2 stops29h 20m

Belfast City

mar. 31/3

17:25-15:58

2 stops27h 33m

£730

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

ven. 27/3

15:11-10:30

2 stops15h 19m

Belfast City

mar. 31/3

06:35-00:22

2 stops22h 47m

£742

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

dim. 14/12

11:35-18:55

2 stops26h 20m

Belfast Intl

jeu. 1/1

06:15-19:55

3 stops18h 40m

£807

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 16 results
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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, September is the cheapest month in which you can book a flight from Massachusetts to Northern Ireland (average of £408). Flying from Massachusetts to Northern Ireland in December is currently the most expensive (average of £759). 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 15h 19m. Fly via British Airways, Delta, or American Airlines to get the fastest option. Airlines will cover a distance of 3066 mi. This flight may include one or multiple stops.

  • 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, September is the cheapest month in which you can book a flight from Massachusetts to Northern Ireland (average of £408). Flying from Massachusetts to Northern Ireland in December is currently the most expensive (average of £759). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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.

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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.

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