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Cheap flights from Massachusetts to Belfast from £179

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 26 January 2026.

Sun 1/318:55
BOS
-
BHD
1 stop10h 25m
British Airways
Wed 11/311:25
BHD
-
BOS
1 stop13h 20m
British Airways
Deal found 24/1£403
Wed 11/319:05
BOS
-
BFS
2 stops24h 05m
Multiple Airlines
Wed 18/312:05
BFS
-
BOS
2 stops31h 30m
Multiple Airlines
Deal found 25/1£404
Sun 1/315:49
BOS
-
BHD
2 stops13h 31m
American Airlines
Wed 11/306:35
BHD
-
BOS
1 stop14h 35m
American Airlines
Deal found 24/1£407
Tue 10/322:50
BOS
-
BFS
2 stops18h 35m
Multiple Airlines
Tue 17/307:05
BFS
-
BOS
2 stops18h 15m
Multiple Airlines
Deal found 23/1£411
Wed 25/320:10
BOS
-
BHD
1 stop10h 05m
American Airlines
Fri 3/406:30
BHD
-
BOS
1 stop12h 15m
American Airlines
Deal found 25/1£415
Wed 18/219:10
BOS
-
BHD
1 stop16h 40m
Multiple Airlines
Mon 23/217:20
BHD
-
BOS
1 stop25h 05m
Multiple Airlines
Deal found 25/1£419
Sun 22/218:55
BOS
-
BHD
1 stop10h 25m
British Airways
Sun 1/315:10
BHD
-
BOS
1 stop11h 45m
British Airways
Deal found 23/1£439
Sun 22/219:15
BOS
-
BHD
1 stop10h 05m
American Airlines
Sun 1/309:10
BHD
-
BOS
1 stop12h 05m
American Airlines
Deal found 23/1£440
Wed 18/219:15
BOS
-
BHD
1 stop10h 00m
American Airlines
Mon 23/211:30
BHD
-
BOS
2 stops16h 18m
American Airlines
Deal found 25/1£448
Fri 24/420:15
BOS
-
BHD
1 stop16h 55m
American Airlines
Fri 8/506:30
BHD
-
BOS
1 stop11h 50m
American Airlines
Deal found 24/1£460
Wed 25/315:49
BOS
-
BHD
2 stops13h 21m
British Airways
Fri 3/416:25
BHD
-
BOS
1 stop11h 10m
British Airways
Deal found 25/1£470
Wed 11/1118:00
BDL
-
BHD
2 stops17h 35m
American Airlines
Sun 15/1109:10
BHD
-
BDL
2 stops18h 17m
American Airlines
Deal found 23/1£533

Find flight deals from Massachusetts to Belfast

Keep the following information in mind while searching for Massachusetts to Belfast flight deals. Data was last updated 26 January 2026.

Round-trip from

£403

One-way from

£179

Popular in

November

Cheapest in

September

Average price

£492
British Airways
  • British Airways
  • 1/3-11/3
  • 2 total stops
  • 23h 45m total
  • Massachusetts to Belfast
Search Deals
24/2
  • 24/2
  • 2 total stops
  • 16h 25m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 26 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 - BFS

BOSBFS

Boston Logan Intl

Tue 10/3

22:50-21:25

2 stops18h 35m

Belfast Intl

Tue 17/3

07:05-21:20

2 stops18h 15m

£411

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 25/3

20:10-10:15

1 stop10h 05m

Belfast City

Fri 3/4

06:30-13:45

1 stop12h 15m

£415

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 22/2

19:15-10:20

1 stop10h 05m

Belfast City

Sun 1/3

09:10-16:15

1 stop12h 05m

£440

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 25/3

15:49-09:10

2 stops13h 21m

Belfast City

Fri 3/4

16:25-22:35

1 stop11h 10m

£470

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 18/2

19:00-14:15

2 stops14h 15m

Belfast City

Mon 23/2

19:25-15:17

2 stops24h 52m

£497

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/3

07:30-10:20

1 stop21h 50m

Belfast City

Thu 5/3

09:05-14:20

1 stop10h 15m

£500

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/5

19:30-10:30

1 stop10h 00m

Belfast City

Thu 7/5

14:20-20:05

1 stop10h 45m

£505

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 25/5

21:50-12:55

1 stop10h 05m

Belfast City

Thu 4/6

14:20-20:05

1 stop10h 45m

£508

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 25/5

19:35-12:55

1 stop12h 20m

Belfast City

Fri 5/6

16:25-22:35

1 stop11h 10m

£508

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 24/5

19:30-10:30

1 stop10h 00m

Belfast City

Thu 4/6

14:20-20:05

1 stop10h 45m

£508

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 26 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 £391). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £744). 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 10h 05m. American Airlines provides one of the quickest options available for as low as £415. 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 £391). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £744). 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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Alternative routes for Massachusetts to Belfast

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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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