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Cheap flights from Massachusetts to Belfast from £167

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

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 27 November 2025.

Round-trip from

£407

One-way from

£167

Popular in

November

Cheapest in

September

Average price

£1,127
American Airlines
  • American Airlines
  • 30/12-13/1
  • 2 total stops
  • 20h 50m total
  • Massachusetts to Belfast
Search Deals
British Airways
  • British Airways
  • 23/3
  • 2 total stops
  • 12h 16m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£139 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Massachusetts to Belfast

Enter your travel dates to find the best prices.

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 27 November 2025.

Wed 3/1220:50BOS - BHD
1 stop19h 10mKLM
Wed 10/1206:30BHD - BOS
1 stop17h 25mKLM
Deal found 26/11£398
Mon 1/1219:15BOS - BHD
1 stop10h 25mAmerican Airlines
Tue 16/1215:05BHD - BOS
1 stop11h 50mAmerican Airlines
Deal found 25/11£406
Tue 30/1219:15BOS - BHD
1 stop10h 15mAmerican Airlines
Tue 13/108:45BHD - BOS
1 stop10h 35mAmerican Airlines
Deal found 25/11£407
Wed 3/1215:46BOS - BHD
2 stops13h 29mAmerican Airlines
Wed 10/1212:25BHD - BOS
2 stops15h 29mAmerican Airlines
Deal found 26/11£417
Wed 3/1219:15BOS - BHD
1 stop10h 00mAmerican Airlines
Wed 17/1212:25BHD - BOS
1 stop14h 30mAmerican Airlines
Deal found 26/11£434
Wed 3/1206:15BOS - BFS
3 stops26h 20mMultiple Airlines
Wed 10/1206:00BFS - BOS
2 stops19h 20mMultiple Airlines
Deal found 26/11£478
Mon 1/1216:20BOS - BFS
2 stops22h 55mMultiple Airlines
Tue 16/1207:05BFS - BOS
2 stops42h 15mMultiple Airlines
Deal found 25/11£522
Mon 1/1216:20BOS - BHD
2 stops16h 30mMultiple Airlines
Tue 16/1211:05BHD - BOS
2 stops38h 15mMultiple Airlines
Deal found 25/11£551
Wed 3/1215:46BOS - BHD
2 stops13h 29mMultiple Airlines
Wed 17/1214:00BHD - BOS
2 stops12h 55mMultiple Airlines
Deal found 26/11£552
Wed 3/1219:50BOS - BFS
2 stops14h 40mMultiple Airlines
Wed 17/1218:25BFS - BOS
3 stops30h 30mMultiple Airlines
Deal found 26/11£621
Tue 30/1216:20BOS - BHD
3 stops23h 40mMultiple Airlines
Tue 13/117:20BHD - BOS
3 stops30h 15mMultiple Airlines
Deal found 25/11£636
Tue 30/1219:50BOS - BFS
2 stops18h 00mMultiple Airlines
Tue 13/108:35BFS - BOS
2 stops16h 25mMultiple Airlines
Deal found 25/11£659

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 27 November 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

Sun 25/1

18:55-10:20

1 stop10h 25m

Belfast City

Sat 31/1

18:00-14:20

1 stop25h 20m

£429

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 10/1

21:15-21:40

2 stops19h 25m

Belfast Intl

Sat 17/1

09:20-18:59

2 stops14h 39m

£446

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

Wed 14/1

12:56-16:50

2 stops22h 54m

Belfast City

Sun 18/1

17:20-21:09

2 stops32h 49m

£496

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

Wed 11/2

14:49-16:50

2 stops21h 01m

Belfast City

Sun 15/2

17:20-23:39

2 stops35h 19m

£496

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 9/1

21:15-22:00

2 stops19h 45m

Belfast Intl

Fri 16/1

08:05-18:59

2 stops15h 54m

£505

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/2

18:55-10:20

1 stop10h 25m

Belfast City

Wed 4/2

06:35-21:55

1 stop20h 20m

£511

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 18/1

18:55-10:20

1 stop10h 25m

Belfast City

Thu 22/1

10:40-21:55

1 stop16h 15m

£511

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 25/1

19:50-18:55

2 stops18h 05m

Belfast Intl

Sat 31/1

23:10-14:35

3 stops44h 25m

£532

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

Wed 11/2

17:00-16:50

2 stops18h 50m

Belfast City

Sun 15/2

17:20-23:39

2 stops35h 19m

£534

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 30/12

19:15-10:30

1 stop10h 15m

Belfast City

Tue 13/1

06:35-16:50

2 stops15h 15m

£548

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 29 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, September is the cheapest month in which you can book a flight from Massachusetts to Belfast (average of £405). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £754). 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 10h 25m. British Airways provides one of the quickest options available for as low as £429. 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?

    The most popular flight routes from Massachusetts to Belfast are Boston Logan Intl - Belfast Intl, Boston Logan Intl - Belfast City and Hartford Bradley Intl - Belfast Intl.

  • 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, September is the cheapest month in which you can book a flight from Massachusetts to Belfast (average of £405). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £754). 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Massachusetts to Belfast?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Massachusetts to Belfast. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Massachusetts to Belfast?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast from Massachusetts.

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.

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

Yes, Cheapflights offers price alerts on Massachusetts to Belfast 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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