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Cheap flights from Massachusetts to Belfast from £183

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
21 abr. — 28 abr.1
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 22 marzo 2026.

lun. 20/417:20
BOS
-
BFS
2 stops22h 35m
Multiple Airlines
lun. 27/421:55
BFS
-
BOS
2 stops24h 45m
Multiple Airlines
Deal found 21/3£591
sáb. 2/523:00
BOS
-
BHD
2 stops16h 35m
Multiple Airlines
sáb. 9/507:00
BHD
-
BOS
2 stops19h 45m
Multiple Airlines
Deal found 18/3£605
sáb. 2/522:50
BOS
-
BFS
1 stop28h 50m
Multiple Airlines
sáb. 9/508:55
BFS
-
BOS
2 stops17h 10m
Multiple Airlines
Deal found 19/3£609
mar. 8/919:35
BOS
-
BHD
1 stop10h 10m
British Airways
jue. 17/914:20
BHD
-
BOS
1 stop13h 15m
British Airways
Deal found 18/3£630
lun. 7/921:50
BOS
-
BHD
1 stop10h 05m
British Airways
vie. 11/906:30
BHD
-
BOS
1 stop18h 35m
British Airways
Deal found 19/3£631
jue. 30/420:10
BOS
-
BFS
1 stop14h 20m
Multiple Airlines
mié. 6/508:55
BFS
-
BOS
1 stop16h 10m
Multiple Airlines
Deal found 21/3£632
jue. 1/1019:35
BOS
-
BHD
1 stop9h 35m
British Airways
mié. 7/1011:35
BHD
-
BOS
1 stop13h 30m
British Airways
Deal found 19/3£633
lun. 4/521:50
BOS
-
BHD
1 stop10h 05m
British Airways
mié. 13/511:35
BHD
-
BOS
1 stop10h 25m
British Airways
Deal found 18/3£636
lun. 23/321:40
BOS
-
BFS
2 stops18h 35m
Multiple Airlines
mié. 8/407:30
BFS
-
BOS
3 stops18h 57m
Multiple Airlines
Deal found 22/3£636
lun. 9/1107:30
BOS
-
BHD
1 stop20h 35m
British Airways
lun. 16/1119:25
BHD
-
BOS
1 stop23h 55m
British Airways
Deal found 19/3£639
vie. 11/920:50
BOS
-
BHD
2 stops16h 20m
Multiple Airlines
lun. 21/906:30
BHD
-
BOS
2 stops17h 20m
Multiple Airlines
Deal found 22/3£642
lun. 7/1221:35
BOS
-
BHD
1 stop11h 40m
British Airways
vie. 11/1211:30
BHD
-
BOS
1 stop13h 15m
British Airways
Deal found 19/3£643

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 22 marzo 2026.

Round-trip from

£591

One-way from

£183

Popular in

November

Cheapest in

February

Average price

£448
20/4-27/4
  • 20/4-27/4
  • 4 total stops
  • 47h 20m total
  • Massachusetts to Belfast
Search Deals
23/4
  • 23/4
  • 3 total stops
  • 36h 25m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£180 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 22 marzo 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

lun. 20/4

17:20-20:55

2 stops22h 35m

Belfast Intl

lun. 27/4

21:55-17:40

2 stops24h 45m

£591

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

sáb. 2/5

22:50-08:40

1 stop28h 50m

Belfast Intl

sáb. 9/5

08:55-21:05

2 stops17h 10m

£609

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

lun. 4/5

21:40-00:05

2 stops21h 25m

Belfast Intl

lun. 11/5

10:30-20:20

1 stop14h 50m

£644
Fastest return journey

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

sáb. 2/5

20:15-15:05

1 stop13h 50m

Belfast City

sáb. 9/5

07:05-13:30

1 stop11h 25m

£649

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

dom. 26/4

21:55-13:25

1 stop10h 30m

Belfast City

mié. 29/4

10:05-20:05

1 stop15h 00m

£649

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

sáb. 2/5

15:05-10:05

2 stops14h 00m

Belfast City

sáb. 9/5

16:15-22:35

1 stop11h 20m

£651

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

lun. 4/5

19:35-12:55

1 stop12h 20m

Belfast City

mié. 13/5

11:35-23:52

2 stops17h 17m

£656

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

vie. 7/8

19:35-15:30

1 stop14h 55m

Belfast City

lun. 17/8

19:35-12:45

1 stop22h 10m

£668

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

mar. 5/5

20:50-19:50

3 stops18h 00m

Belfast Intl

mar. 12/5

08:20-18:50

2 stops15h 30m

£671

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

lun. 20/4

19:30-15:30

1 stop15h 00m

Belfast City

lun. 27/4

16:50-16:50

1 stop29h 00m

£684

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 35 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

What is the cheapest month to book a flight from Massachusetts to Belfast?

Currently, March is the cheapest month in which you can book a flight from Massachusetts to Belfast (average of £394). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £761). 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 30m. American Airlines provides one of the quickest options available for as low as £649. 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.

  • What is the cheapest month to book a flight from Massachusetts to Belfast?

    Currently, March is the cheapest month in which you can book a flight from Massachusetts to Belfast (average of £394). Flying from Massachusetts to Belfast in December is currently the most expensive (average of £761). 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

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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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