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Cheap flights from Massachusetts to Belfast from £237

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
19 Aug — 26 Aug1
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 20 July 2026.

Wed 16/905:50
BOS
-
BHD
3 stops27h 40m
Multiple Airlines
Thu 24/911:45
BHD
-
BOS
3 stops32h 00m
Multiple Airlines
Deal found 18/7£594
Wed 16/905:50
BOS
-
BFS
3 stops30h 15m
Multiple Airlines
Thu 24/920:40
BFS
-
BOS
2 stops23h 15m
Multiple Airlines
Deal found 18/7£597
Mon 28/920:50
BOS
-
BFS
2 stops17h 00m
Multiple Airlines
Wed 7/1009:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Deal found 17/7£599
Sat 5/923:00
BOS
-
BFS
2 stops18h 40m
Multiple Airlines
Wed 9/906:10
BFS
-
BOS
2 stops20h 35m
Multiple Airlines
Deal found 20/7£609
Fri 18/910:50
BOS
-
BFS
2 stops30h 00m
Multiple Airlines
Fri 25/921:05
BFS
-
BOS
2 stops24h 00m
Multiple Airlines
Deal found 19/7£610
Mon 17/810:40
BOS
-
BFS
3 stops31h 25m
Multiple Airlines
Mon 24/806:40
BFS
-
BOS
3 stops19h 15m
Multiple Airlines
Deal found 15/7£615
Tue 18/823:00
BOS
-
BFS
2 stops18h 15m
Multiple Airlines
Mon 24/821:50
BFS
-
BOS
2 stops29h 48m
Multiple Airlines
Deal found 19/7£618
Sat 5/917:25
BOS
-
BHD
2 stops17h 40m
Multiple Airlines
Wed 9/907:00
BHD
-
BOS
2 stops19h 45m
Multiple Airlines
Deal found 20/7£622
Sun 16/810:40
BOS
-
BHD
3 stops29h 25m
Multiple Airlines
Sat 29/807:20
BHD
-
BOS
3 stops19h 07m
Multiple Airlines
Deal found 19/7£641
Wed 9/920:50
BOS
-
BHD
2 stops17h 50m
Multiple Airlines
Sat 12/914:20
BHD
-
BOS
2 stops34h 35m
Multiple Airlines
Deal found 18/7£664
Tue 3/1114:02
BDL
-
BHD
2 stops16h 28m
American Airlines
Thu 12/1109:05
BHD
-
BDL
2 stops18h 13m
American Airlines
Deal found 16/7£667
Thu 17/906:00
BOS
-
BHD
3 stops24h 10m
Multiple Airlines
Fri 25/907:00
BHD
-
BOS
2 stops16h 50m
Multiple Airlines
Deal found 17/7£667

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 20 July 2026.

Round-trip from

£594

One-way from

£237

Popular in

November

Cheapest in

March

Average price

£616
16/9-24/9
  • 16/9-24/9
  • 6 total stops
  • 59h 40m total
  • Massachusetts to Belfast
Search Deals
27/7
  • 27/7
  • 3 total stops
  • 39h 55m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 36% potential increase in price (£312 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (£76 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 20 July 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 - BFS

BOSBFS

Boston Logan Intl

Wed 16/9

05:50-17:05

3 stops30h 15m

Belfast Intl

Thu 24/9

20:40-14:55

2 stops23h 15m

£597

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 28/9

20:50-18:50

2 stops17h 00m

Belfast Intl

Wed 7/10

09:35-21:05

1 stop16h 30m

£599

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 18/8

23:00-22:15

2 stops18h 15m

Belfast Intl

Mon 24/8

21:50-22:38

2 stops29h 48m

£618

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 17/8

10:40-23:05

3 stops31h 25m

Belfast Intl

Mon 24/8

06:40-18:50

2 stops17h 10m

£628

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 30/8

20:50-21:00

2 stops19h 10m

Belfast Intl

Tue 1/9

05:55-09:05

3 stops32h 10m

£633

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 5/9

23:00-22:40

2 stops18h 40m

Belfast Intl

Wed 9/9

21:05-18:50

3 stops26h 45m

£635

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 18/9

18:30-16:30

2 stops17h 00m

Belfast Intl

Fri 25/9

17:20-20:20

1 stop32h 00m

£646

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

Tue 3/11

14:02-11:30

2 stops16h 28m

Belfast City

Thu 12/11

09:05-22:18

2 stops18h 13m

£667

HartfordBelfast

BDL - BHD

BDLBHD

Hartford Bradley Intl

Wed 4/11

17:17-14:35

2 stops16h 18m

Belfast City

Thu 12/11

06:35-18:31

2 stops16h 56m

£667

BostonBelfast

BOS - BHD

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

£704

Flights are sorted by cheapest return flights first.

Deals found on 19/7

Showing 1-10 of 37 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

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 11h 45m. American Airlines provides one of the quickest options available for as low as £704. 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.

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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