Find flights
When to book
FAQs

Cheap flights from Massachusetts to Belfast from £203

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
8 fev — 15 fev1
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 9 janeiro 2026.

Round-trip from

£376

One-way from

£203

Popular in

November

Cheapest in

September

Average price

£517
American Airlines
  • American Airlines
  • 4/2-11/2
  • 3 total stops
  • 25h 15m total
  • Massachusetts to Belfast
Search Deals
15/3
  • 15/3
  • 3 total stops
  • 28h 35m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£163 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 9 janeiro 2026.

qua 4/219:15BOS - BHD
1 stop10h 00mAmerican Airlines
qua 11/206:35BHD - BOS
2 stops15h 15mAmerican Airlines
Deal found 8/1£377
qua 4/218:55BOS - BHD
1 stop9h 15mBritish Airways
qua 11/212:25BHD - BOS
1 stop12h 20mBritish Airways
Deal found 8/1£379
sex 6/207:30BOS - BHD
1 stop19h 55mBritish Airways
ter 10/210:10BHD - BOS
2 stops13h 49mBritish Airways
Deal found 7/1£414
sex 6/221:15BOS - BHD
2 stops15h 00mAmerican Airlines
ter 10/206:35BHD - BOS
2 stops15h 15mAmerican Airlines
Deal found 7/1£417
sex 6/221:15BOS - BHD
2 stops15h 00mAmerican Airlines
qua 11/206:35BHD - BOS
2 stops15h 15mAmerican Airlines
Deal found 8/1£417
sex 6/207:30BOS - BHD
1 stop19h 55mBritish Airways
qua 11/206:40BHD - BOS
2 stops17h 19mBritish Airways
Deal found 8/1£420
qui 23/423:30BOS - BHD
2 stops14h 15mAmerican Airlines
qui 30/406:35BHD - BOS
2 stops13h 55mAmerican Airlines
Deal found 6/1£429
qui 23/417:30BOS - BHD
2 stops11h 20mBritish Airways
qui 30/414:20BHD - BOS
1 stop10h 45mBritish Airways
Deal found 6/1£443
qui 23/416:35BOS - BHD
1 stop19h 20mMultiple Airlines
qui 30/417:30BHD - BOS
1 stop28h 03mMultiple Airlines
Deal found 6/1£451
dom 22/217:10BOS - BFS
2 stops20h 45mMultiple Airlines
dom 1/323:05BFS - BOS
2 stops24h 54mMultiple Airlines
Deal found 8/1£457
sex 6/215:35BOS - BFS
3 stops18h 35mMultiple Airlines
ter 10/220:55BFS - BOS
2 stops26h 40mMultiple Airlines
Deal found 7/1£483
qui 23/417:05BOS - BFS
2 stops17h 20mMultiple Airlines
qui 30/410:15BFS - BOS
1 stop15h 50mMultiple Airlines
Deal found 6/1£683

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 9 janeiro 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

qua 4/2

19:15-10:15

1 stop10h 00m

Belfast City

qua 11/2

06:35-16:50

2 stops15h 15m

£377

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

qua 4/2

18:55-09:10

1 stop9h 15m

Belfast City

qua 11/2

12:25-19:45

1 stop12h 20m

£379

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

sex 6/2

07:30-08:25

1 stop19h 55m

Belfast City

ter 10/2

10:10-18:59

2 stops13h 49m

£414

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

sex 6/2

21:15-17:15

2 stops15h 00m

Belfast City

ter 10/2

06:35-16:50

2 stops15h 15m

£417

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

sex 6/2

07:30-08:25

1 stop19h 55m

Belfast City

qua 11/2

06:40-18:59

2 stops17h 19m

£420

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

qui 23/4

23:30-18:45

2 stops14h 15m

Belfast City

qui 30/4

06:35-15:30

2 stops13h 55m

£429

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

qui 23/4

17:30-09:50

2 stops11h 20m

Belfast City

qui 30/4

14:20-20:05

1 stop10h 45m

£443

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

qui 23/4

16:35-16:55

1 stop19h 20m

Belfast City

qui 30/4

17:30-16:33

1 stop28h 03m

£451

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

dom 22/2

17:10-18:55

2 stops20h 45m

Belfast Intl

dom 1/3

23:05-18:59

2 stops24h 54m

£457

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

qui 22/1

19:10-16:50

1 stop16h 40m

Belfast City

dom 25/1

17:20-13:30

1 stop25h 10m

£478

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 24 results
1
2
3

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 £397). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £755). 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. American Airlines provides one of the quickest options available for as low as £377. 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 £397). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £755). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Belfast Intl flights
John F Kennedy Intl to Belfast Intl flights
John F Kennedy Intl to Belfast City flights
LaGuardia to Belfast City flights
Dallas/Fort Worth to Belfast Intl flights
Seattle to Belfast City flights
Hobby to Belfast City flights
O'Hare Intl to Belfast Intl flights
Boston to Belfast Intl flights
Los Angeles to Belfast Intl flights
Orlando to Belfast Intl flights
Los Angeles to Belfast City flights
Philadelphia to Belfast City flights
Atlanta to Belfast Intl flights
George Bush Intcntl to Belfast Intl flights
Boston to Belfast City flights
Minneapolis to Belfast Intl flights
George Bush Intcntl to Belfast City flights
Portland to Belfast Intl flights
San Francisco to Belfast Intl flights
Minneapolis to Belfast City flights
Denver to Belfast Intl flights
Indianapolis to Belfast City flights
Orlando to Belfast City flights
Portland to Belfast City flights
San Francisco to Belfast City flights
Denver to Belfast City flights
State College to Belfast City flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.