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Cheap flights from Massachusetts to Belfast from £212

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
17 Feb — 24 Feb1
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 18 January 2026.

Round-trip from

£389

One-way from

£212

Popular in

November

Cheapest in

September

Average price

£502
American Airlines
  • American Airlines
  • 4/2-11/2
  • 3 total stops
  • 25h 15m total
  • Massachusetts to Belfast
Search Deals
18/3
  • 18/3
  • 2 total stops
  • 18h 30m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£165 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 18 January 2026.

Wed 4/219:15
BOS
-
BHD
1 stop10h 00m
American Airlines
Wed 11/206:35
BHD
-
BOS
2 stops15h 15m
American Airlines
Deal found 17/1£389
Wed 16/919:35
BOS
-
BHD
1 stop13h 00m
Multiple Airlines
Wed 23/910:00
BHD
-
BOS
2 stops13h 50m
Multiple Airlines
Deal found 17/1£393
Wed 16/921:50
BOS
-
BHD
1 stop10h 45m
British Airways
Wed 23/910:00
BHD
-
BOS
1 stop12h 00m
British Airways
Deal found 17/1£400
Tue 14/421:50
BOS
-
BHD
1 stop12h 30m
British Airways
Thu 23/409:35
BHD
-
BOS
1 stop15h 30m
British Airways
Deal found 18/1£402
Tue 14/419:35
BOS
-
BHD
1 stop10h 10m
British Airways
Wed 22/411:05
BHD
-
BOS
2 stops15h 55m
British Airways
Deal found 18/1£406
Tue 14/415:05
BOS
-
BHD
2 stops14h 40m
British Airways
Mon 27/419:35
BHD
-
BOS
1 stop26h 20m
British Airways
Deal found 18/1£417
Sun 18/1020:30
BOS
-
BHD
1 stop13h 10m
American Airlines
Sun 25/1009:10
BHD
-
BOS
2 stops14h 45m
American Airlines
Deal found 17/1£430
Sun 18/1021:55
BOS
-
BHD
1 stop11h 45m
British Airways
Sun 25/1012:10
BHD
-
BOS
1 stop12h 35m
British Airways
Deal found 17/1£437
Mon 2/321:15
BOS
-
BFS
2 stops18h 00m
Multiple Airlines
Mon 9/319:20
BFS
-
BOS
2 stops23h 35m
Multiple Airlines
Deal found 16/1£439
Thu 5/217:10
BOS
-
BFS
2 stops22h 15m
Multiple Airlines
Mon 9/219:20
BFS
-
BOS
2 stops23h 35m
Multiple Airlines
Deal found 15/1£474
Wed 4/321:50
BOS
-
BFS
2 stops19h 30m
Multiple Airlines
Wed 11/314:15
BFS
-
BOS
2 stops35h 05m
Multiple Airlines
Deal found 18/1£476
Sun 19/420:50
BOS
-
BFS
2 stops12h 00m
Multiple Airlines
Wed 22/409:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Deal found 18/1£486

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 18 January 2026.
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

Wed 4/2

15:35-10:15

2 stops13h 40m

Belfast City

Wed 11/2

06:35-16:50

2 stops15h 15m

£392

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 14/4

21:50-16:25

1 stop13h 35m

Belfast City

Mon 27/4

19:35-16:55

1 stop26h 20m

£402

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 19/4

21:55-13:25

1 stop10h 30m

Belfast City

Mon 27/4

19:35-16:55

1 stop26h 20m

£402

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 14/4

07:25-09:00

1 stop20h 35m

Belfast City

Tue 28/4

13:45-20:05

1 stop11h 20m

£402

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 20/4

21:50-12:55

1 stop10h 05m

Belfast City

Tue 28/4

11:05-22:00

2 stops15h 55m

£406

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 5/2

17:10-12:55

2 stops14h 45m

Belfast City

Mon 9/2

18:50-13:55

2 stops24h 05m

£443

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 5/2

19:10-16:50

1 stop16h 40m

Belfast City

Mon 9/2

17:20-15:53

2 stops27h 33m

£450

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 2/3

17:10-19:05

2 stops20h 55m

Belfast Intl

Mon 9/3

07:50-19:55

2 stops16h 05m

£472

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 5/2

17:10-20:25

2 stops22h 15m

Belfast Intl

Mon 9/2

19:20-13:55

2 stops23h 35m

£474

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 4/3

21:50-22:20

2 stops19h 30m

Belfast Intl

Wed 11/3

14:15-21:20

2 stops35h 05m

£476

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 22 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 £399). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £758). 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 Belfast?

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 13h 35m. American Airlines provides one of the quickest options available for as low as £402. 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 City.

  • 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 £399). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £758). 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

Browse thousands of different options on Cheapflights for your next trip

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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 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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