Cheap flights from Massachusetts to Belfast from £216

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 — BHD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Massachusetts to Belfast

Keep the following information in mind while searching for Massachusetts to Belfast flight deals. Data was last updated 17 September 2025.

Round-trip from

£379

One-way from

£216

Popular in

December

Cheapest in

September

Average price

£457
British Airways
  • British Airways
  • 9/3-16/3
  • 2 total stops
  • 51h 30m total
  • Massachusetts to Belfast
Delta
  • Delta
  • 6/3
  • 1 total stop
  • 15h 00m total
  • Massachusetts to Belfast
Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Massachusetts to Belfast

Cheapest flights from Massachusetts to Belfast
Explore the most affordable flight options available from Massachusetts to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 20/1119:50BOS - BFS
2 stops19h 50mMultiple Airlines
Wed 26/1106:30BFS - BOS
2 stops16h 20mMultiple Airlines
Deal found 14/9£414
Wed 8/1020:10BOS - BHD
1 stop12h 20mAmerican Airlines
Sun 12/1006:50BHD - BOS
2 stops15h 25mAmerican Airlines
Deal found 13/9£419
Thu 20/1111:35BOS - BHD
2 stops27h 00mMultiple Airlines
Wed 26/1107:25BHD - BOS
2 stops15h 25mMultiple Airlines
Deal found 14/9£432
Wed 29/1022:20BOS - BFS
2 stops13h 55mMultiple Airlines
Wed 5/1112:20BFS - BOS
3 stops31h 15mMultiple Airlines
Deal found 14/9£437
Mon 22/920:10BOS - BHD
1 stop19h 35mAmerican Airlines
Sun 28/906:50BHD - BOS
1 stop20h 55mAmerican Airlines
Deal found 14/9£441
Fri 12/1207:30BOS - BHD
1 stop22h 00mBritish Airways
Mon 15/1219:25BHD - BOS
1 stop23h 55mBritish Airways
Deal found 16/9£443
Thu 20/1119:25BOS - BHD
1 stop17h 35mAmerican Airlines
Wed 26/1112:25BHD - BOS
2 stops16h 19mAmerican Airlines
Deal found 14/9£449
Wed 26/1121:35BOS - BHD
1 stop28h 55mBritish Airways
Sun 30/1120:25BHD - BOS
1 stop28h 20mBritish Airways
Deal found 15/9£452
Fri 31/1022:20BOS - BFS
2 stops19h 40mMultiple Airlines
Fri 7/1108:05BFS - BOS
2 stops15h 50mMultiple Airlines
Deal found 16/9£452
Fri 21/1107:30BOS - BHD
1 stop19h 55mBritish Airways
Wed 26/1106:35BHD - BOS
1 stop12h 45mBritish Airways
Deal found 14/9£460
Fri 26/906:30BOS - BHD
2 stops21h 20mBritish Airways
Tue 30/920:20BHD - BOS
1 stop19h 55mBritish Airways
Deal found 15/9£464
Fri 26/920:15BOS - BHD
1 stop15h 40mMultiple Airlines
Tue 30/917:25BHD - BOS
1 stop28h 05mMultiple Airlines
Deal found 14/9£466

Cheapflights Fare Finder

 
Customise your flight search to find flights from Massachusetts to Belfast 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 17 September 2025.
Use the filters below to find and compare flights from Massachusetts to Belfast that are best for you.

Fly from

Massachusetts

Fly to

Belfast

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 9/3

08:30-10:40

1 stop22h 10m

Belfast City

Mon 16/3

19:25-20:45

1 stop29h 20m

£379

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 20/11

19:50-20:40

2 stops19h 50m

Belfast Intl

Wed 26/11

06:30-17:50

2 stops16h 20m

£414

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 8/10

20:10-13:30

1 stop12h 20m

Belfast City

Sun 12/10

06:50-17:15

2 stops15h 25m

£419

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 29/10

22:20-16:15

2 stops13h 55m

Belfast Intl

Wed 5/11

12:20-14:35

3 stops31h 15m

£437

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 20/11

19:25-16:40

1 stop16h 15m

Belfast City

Wed 26/11

06:35-16:10

1 stop14h 35m

£441

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 12/12

07:30-10:30

1 stop22h 00m

Belfast City

Mon 15/12

19:25-14:20

1 stop23h 55m

£443

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 31/10

22:20-22:00

2 stops19h 40m

Belfast Intl

Fri 7/11

08:05-18:55

2 stops15h 50m

£452

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 26/11

21:35-07:30

1 stop28h 55m

Belfast City

Sun 30/11

20:25-19:50

2 stops28h 25m

£460

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 21/11

07:30-08:25

1 stop19h 55m

Belfast City

Wed 26/11

06:35-14:20

1 stop12h 45m

£460

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 26/9

06:30-08:50

2 stops21h 20m

Belfast City

Tue 30/9

20:20-11:15

1 stop19h 55m

£464

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 18 results
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Best time to book a flight from Massachusetts to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast

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

Currently, January is the cheapest month in which you can book a flight from Massachusetts to Belfast (average of £67). Flying from Massachusetts to Belfast in July is currently the most expensive (average of £90). 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.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Belfast. 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 Belfast?

    A quick flight from Massachusetts to Belfast can take about 12h 20m. British Airways provides one of the quickest options available for as low as £419. The distance from Massachusetts to Belfast is about 2981 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Massachusetts to Belfast?

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

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

  • How can I find direct flights from Massachusetts to Belfast?

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

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

    Yes. Cheapflights offers flight deals from Massachusetts to Belfast 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 Belfast?

    Currently, January is the cheapest month in which you can book a flight from Massachusetts to Belfast (average of £67). Flying from Massachusetts to Belfast in July is currently the most expensive (average of £90). 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.

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

Need flexible booking options for your flight to Belfast 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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