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Cheap flights from Massachusetts to Belfast from £222

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
29 Aug — 5 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 30 July 2026.

Thu 15/1020:50
BOS
-
BFS
2 stops16h 00m
Multiple Airlines
Thu 22/1010:15
BFS
-
BOS
1 stop15h 50m
Multiple Airlines
Deal found 27/7£469
Mon 12/1023:00
BOS
-
BFS
2 stops12h 15m
Multiple Airlines
Thu 22/1010:15
BFS
-
BOS
1 stop15h 50m
Multiple Airlines
Deal found 27/7£503
Wed 9/920:50
BOS
-
BFS
2 stops19h 20m
Multiple Airlines
Wed 16/906:10
BFS
-
BOS
2 stops20h 35m
Multiple Airlines
Deal found 25/7£552
Sun 6/920:50
BOS
-
BFS
2 stops21h 20m
Multiple Airlines
Mon 14/921:25
BFS
-
BOS
2 stops22h 30m
Multiple Airlines
Deal found 26/7£572
Wed 9/920:50
BOS
-
BFS
2 stops16h 05m
Multiple Airlines
Fri 18/921:30
BFS
-
BOS
3 stops46h 10m
Multiple Airlines
Deal found 28/7£577
Wed 30/920:50
BOS
-
BFS
2 stops20h 35m
Multiple Airlines
Mon 5/1010:05
BFS
-
BOS
2 stops16h 40m
Multiple Airlines
Deal found 29/7£584
Sun 13/923:00
BOS
-
BFS
3 stops17h 30m
Multiple Airlines
Tue 29/917:10
BFS
-
BOS
3 stops33h 35m
Multiple Airlines
Deal found 27/7£590
Sun 6/920:50
BOS
-
BHD
2 stops18h 40m
Multiple Airlines
Mon 14/908:45
BHD
-
BOS
2 stops35h 25m
Multiple Airlines
Deal found 26/7£615
Wed 9/912:30
BOS
-
BHD
2 stops21h 25m
Multiple Airlines
Fri 18/907:00
BHD
-
BOS
2 stops16h 50m
Multiple Airlines
Deal found 28/7£664
Wed 30/923:00
BOS
-
BHD
2 stops15h 40m
Multiple Airlines
Mon 5/1009:50
BHD
-
BOS
2 stops14h 00m
Multiple Airlines
Deal found 29/7£680
Wed 25/1121:30
BOS
-
BHD
1 stop12h 05m
Multiple Airlines
Mon 30/1106:35
BHD
-
BOS
2 stops15h 15m
Multiple Airlines
Deal found 25/7£703
Fri 11/910:40
BOS
-
BHD
3 stops29h 20m
Multiple Airlines
Fri 18/907:00
BHD
-
BOS
2 stops12h 55m
Multiple Airlines
Deal found 26/7£708

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 30 July 2026.

Round-trip from

£469

One-way from

£222

Popular in

November

Cheapest in

March
15/10-22/10
  • 15/10-22/10
  • 3 total stops
  • 31h 50m total
  • Massachusetts to Belfast
Search Deals
2/1
  • 2/1
  • 2 total stops
  • 19h 25m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£298 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£84 potential savings vs. average return price).
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 30 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

Thu 15/10

20:50-17:50

2 stops16h 00m

Belfast Intl

Wed 21/10

09:35-21:05

1 stop16h 30m

£469

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 15/10

20:50-17:50

2 stops16h 00m

Belfast Intl

Thu 22/10

10:15-21:05

1 stop15h 50m

£469

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 6/9

20:50-23:10

2 stops21h 20m

Belfast Intl

Mon 14/9

21:25-14:55

2 stops22h 30m

£572

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 9/9

23:00-22:20

3 stops18h 20m

Belfast Intl

Wed 16/9

08:30-14:45

3 stops35h 15m

£573

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 9/9

20:50-17:55

2 stops16h 05m

Belfast Intl

Fri 18/9

21:30-14:40

3 stops46h 10m

£577

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 30/9

20:50-22:25

2 stops20h 35m

Belfast Intl

Mon 5/10

10:05-21:45

2 stops16h 40m

£584

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 13/9

23:00-21:30

3 stops17h 30m

Belfast Intl

Tue 29/9

17:10-21:45

3 stops33h 35m

£590

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 29/10

20:50-19:10

2 stops18h 20m

Belfast Intl

Thu 5/11

08:50-14:40

3 stops34h 50m

£630

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

£726
Fastest return journey

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 6/12

21:30-13:55

1 stop11h 25m

Belfast City

Thu 10/12

11:05-19:40

1 stop13h 35m

£727

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 31 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 £726. 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.

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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