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Cheap flights from Massachusetts to Belfast from £269

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
12 Sep — 19 Sep1
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 13 August 2026.

Mon 7/920:50 -
2 stops21h 20m
Tue 22/917:10 -
3 stops32h 10m
Deal found 8/8£545
Mon 14/923:00 -
2 stops16h 25m
Tue 29/907:00 -
3 stops42h 20m
Deal found 10/8£560
Sun 8/1119:50 -
2 stops17h 20m
Sat 14/1113:10 -
2 stops33h 40m
Deal found 13/8£562
Tue 29/920:50 -
2 stops19h 15m
Mon 1/321:00 -
3 stops46h 40m
Deal found 11/8£566
Sun 8/1119:50 -
2 stops18h 10m
Sat 14/1107:25 -
2 stops39h 25m
Deal found 13/8£572
Mon 21/920:50 -
2 stops18h 35m
Wed 30/915:40 -
3 stops33h 40m
Deal found 8/8£577
Fri 2/1019:05 -
1 stop14h 10m
Thu 15/1006:35 -
2 stops19h 30m
Deal found 11/8£582
Tue 29/920:50 -
2 stops16h 00m
Mon 1/319:25 -
2 stops29h 55m
Deal found 11/8£583
Mon 23/1119:50 -
3 stops19h 20m
Sun 29/1107:00 -
3 stops36h 40m
Deal found 12/8£583
Sun 27/917:40 -
2 stops15h 15m
Sun 4/1013:25 -
2 stops31h 10m
Deal found 13/8£589
Sat 5/1219:50 -
2 stops13h 55m
Sat 12/1206:00 -
3 stops42h 55m
Deal found 12/8£594
Fri 2/1017:25 -
2 stops15h 15m
Thu 15/1016:00 -
2 stops34h 45m
Deal found 11/8£614

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 13 August 2026.

Round-trip from

£545

One-way from

£269

Popular in

November

Cheapest in

March

Average price

£921
7/9-22/9
  • 7/9-22/9
  • 5 total stops
  • 53h 30m total
  • Massachusetts to Belfast
Search Deals
British Airways
  • British Airways
  • 26/1
  • 1 total stop
  • 14h 15m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£290 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£82 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 13 August 2026.
Use the filters below to find and compare flights from Massachusetts to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 14/9

23:00-20:25

2 stops16h 25m

Belfast Intl

Tue 29/9

07:00-20:20

3 stops42h 20m

£560

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 8/11

19:50-18:10

2 stops17h 20m

Belfast Intl

Sat 14/11

13:10-17:50

2 stops33h 40m

£562

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 21/9

20:50-20:25

2 stops18h 35m

Belfast Intl

Wed 30/9

15:40-20:20

3 stops33h 40m

£577

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 2/10

19:05-14:15

1 stop14h 10m

Belfast Intl

Thu 15/10

06:35-21:05

2 stops19h 30m

£582

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 27/9

20:50-21:00

2 stops19h 10m

Belfast Intl

Sun 4/10

22:00-20:20

3 stops27h 20m

£620

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 13/9

16:55-13:05

2 stops15h 10m

Belfast Intl

Fri 25/9

06:05-17:25

3 stops40h 20m

£649

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 7/9

19:05-12:15

1 stop12h 10m

Belfast Intl

Tue 22/9

07:00-19:55

2 stops17h 55m

£661

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 15/1

19:50-22:35

2 stops21h 45m

Belfast Intl

Sun 17/1

14:55-06:35

3 stops44h 40m

£668

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Mon 7/9

23:00-09:20

3 stops29h 20m

Belfast City

Tue 22/9

17:00-13:50

3 stops25h 50m

£691

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Wed 25/11

21:30-14:15

1 stop11h 45m

Belfast City

Mon 30/11

19:25-19:40

1 stop29h 15m

£717

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 21 resultsSorted by cheapest first
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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

No data available for this route at this time. Please check back soon.

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 11h 45m. British Airways provides one of the quickest options available for as low as £717. The distance from Massachusetts to Belfast is about 2981 mi.

  • 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.

See more FAQs

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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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