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Cheap flights from Massachusetts to Belfast Intl Airport from £209

BOS — BFS
20 Oct — 27 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Massachusetts to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Massachusetts to Belfast Intl

Tue 3/1119:50 -
2 stops20h 05m
Tue 10/1108:35 -
2 stops14h 15m
Deal found 19/9£510
Tue 10/1119:50 -
2 stops20h 40m
Tue 17/1107:05 -
2 stops15h 45m
Deal found 15/9£548
Mon 2/1121:20 -
2 stops20h 00m
Mon 9/1106:45 -
2 stops17h 20m
Deal found 18/9£581
Tue 1/1219:50 -
3 stops20h 05m
Mon 7/1208:30 -
2 stops14h 20m
Deal found 15/9£594
Tue 10/1117:15 -
2 stops18h 45m
Thu 19/1121:05 -
2 stops21h 50m
Deal found 17/9£597
Wed 25/1121:20 -
2 stops17h 25m
Sun 29/1122:10 -
2 stops25h 55m
Deal found 20/9£610
Sat 31/1020:50 -
2 stops17h 25m
Sat 7/1119:05 -
3 stops23h 55m
Deal found 17/9£616
Thu 15/1017:25 -
2 stops20h 30m
Mon 19/1010:30 -
1 stop14h 50m
Deal found 15/9£620

Find flight deals from Massachusetts to Belfast Intl

Round-trip from

£510

One-way from

£209

Popular in

November

Cheapest in

March

Average price

£510
3/11-10/11
  • 3/11-10/11
  • 4 total stops
  • 34h 20m total
  • Massachusetts to Belfast
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30/10-31/12
  • 30/10-31/12
  • 3 total stops
  • 21h 10m total
  • Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£251 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease (£79 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Massachusetts to Belfast Intl Airport 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

Fri 30/10

20:50-22:00

3 stops21h 10m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£209

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Wed 18/11

19:50-18:55

3 stops42h 05m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221
Fastest return journey

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 15/11

17:15-11:45

2 stops13h 30m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 16/11

21:20-19:10

2 stops16h 50m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 20/11

17:15-12:55

2 stops14h 40m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£274

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 10/11

19:50-21:30

2 stops20h 40m

Belfast Intl

Tue 17/11

07:05-17:50

2 stops15h 45m

£548

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 1/12

19:50-20:55

3 stops20h 05m

Belfast Intl

Mon 7/12

08:30-17:50

2 stops14h 20m

£594

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Wed 11/11

17:15-19:10

2 stops20h 55m

Belfast Intl

Sun 15/11

21:00-19:05

2 stops27h 05m

£605

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Wed 25/11

21:20-19:45

2 stops17h 25m

Belfast Intl

Sun 29/11

22:10-19:05

2 stops25h 55m

£610

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 3/11

19:50-18:05

3 stops17h 15m

Belfast Intl

Tue 10/11

06:40-19:05

2 stops17h 25m

£616

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 13 resultsSorted by cheapest first
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Best time to book a flight from Massachusetts to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Massachusetts with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Belfast Intl Airport

How much does it cost for a return flight from Massachusetts to Belfast Intl Airport?

Airfare is typical for this route at the moment.
Massachusetts to Belfast Intl Airport flights typically cost between £446 and £636 in November.
The cheapest return price found within the last 5 days was £510 on Multiple Airlines (3 Nov–10 Nov).

Related info for your journey

  • Can I find deals for flights from Massachusetts to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Belfast Intl.

  • Can I find deals for business class flights from Massachusetts to Belfast Intl?

    Yes. Cheapflights offers flight deals from Massachusetts to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry

Browse thousands of different options on Cheapflights for your next trip

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How does Cheapflights help users find flights from Massachusetts to Belfast Intl?

Cheapflights makes it easy to find Massachusetts to Belfast Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Massachusetts to Belfast Intl?

Cheapflights simply makes it quick and affordable to book flights from Massachusetts to Belfast Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Massachusetts to Belfast Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Massachusetts to Belfast Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Massachusetts to Belfast Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Massachusetts today and book when prices fit your budget.

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