How does KAYAK find such low prices on flights from Massachusetts to Belfast Intl Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Belfast Intl Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Belfast Intl Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast Intl Airport from Massachusetts is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Massachusetts to Belfast Intl Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast Intl Airport with an airline and back to Massachusetts with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Belfast Intl Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast Intl Airport from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Cheap Flights from Massachusetts to Belfast Intl Airport (BFS)

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Cheap Flights from Massachusetts to Belfast Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Massachusetts to Belfast Intl

Wed, 25 Nov - Wed, 2 Dec

19:50 - 16:15BOS Boston Logan Intl-BFS Belfast Intl

15h 25m3 stops Reykjavik Keflavik Intl Dublin Manchester

21:10 - 19:55BFS Belfast Intl-BOS Boston Logan Intl

27h 45m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado

£574Multiple Airlines

Thu, 12 Nov - Mon, 16 Nov

17:15 - 17:00BOS Boston Logan Intl-BFS Belfast Intl

18h 45m2 stops Dublin Edinburgh Turnhouse

06:05 - 19:55BFS Belfast Intl-BOS Boston Logan Intl

18h 50m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

£589Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

20:50 - 22:20BOS Boston Logan Intl-BFS Belfast Intl

21h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl

08:15 - 17:50BFS Belfast Intl-BOS Boston Logan Intl

14h 35m2 stops Glasgow Intl Reykjavik Keflavik Intl

£592Multiple Airlines

Thu, 12 Nov - Mon, 16 Nov

17:15 - 19:00BOS Boston Logan Intl-BFS Belfast Intl

20h 45m2 stops Dublin Edinburgh Turnhouse

22:05 - 13:55BFS Belfast Intl-BOS Boston Logan Intl

20h 50m2 stops Manchester Dublin

£594Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

21:20 - 17:45BOS Boston Logan Intl-BFS Belfast Intl

15h 25m2 stops Dublin Leeds/Bradford

21:10 - 19:55BFS Belfast Intl-BOS Boston Logan Intl

27h 45m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado

£609Multiple Airlines

Mon, 26 Oct - Mon, 2 Nov

18:15 - 14:20BOS Boston Logan Intl-BFS Belfast Intl

16h 05m2 stops Dublin Edinburgh Turnhouse

09:35 - 19:05BFS Belfast Intl-BOS Boston Logan Intl

14h 30m2 stops Edinburgh Turnhouse Dublin

£610Multiple Airlines

Thu, 15 Oct - Mon, 19 Oct

17:25 - 18:55BOS Boston Logan Intl-BFS Belfast Intl

20h 30m2 stops Dublin Edinburgh Turnhouse

10:30 - 20:20BFS Belfast Intl-BOS Boston Logan Intl

14h 50m1 stop Porto

£616Multiple Airlines

Thu, 29 Oct - Mon, 2 Nov

18:15 - 16:20BOS Boston Logan Intl-BFS Belfast Intl

18h 05m2 stops Dublin Edinburgh Turnhouse

06:30 - 17:50BFS Belfast Intl-BOS Boston Logan Intl

16h 20m2 stops London Gatwick Reykjavik Keflavik Intl

£621Multiple Airlines

Fri, 16 Oct - Thu, 22 Oct

23:00 - 21:15BOS Boston Logan Intl-BFS Belfast Intl

17h 15m3 stops Reykjavik Keflavik Intl Dublin Manchester

06:40 - 21:26BFS Belfast Intl-BOS Boston Logan Intl

19h 46m3 stops Edinburgh Turnhouse Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

£628Multiple Airlines

Sun, 25 Oct - Sun, 1 Nov

20:50 - 21:25BOS Boston Logan Intl-BFS Belfast Intl

20h 35m2 stops Reykjavik Keflavik Intl London Gatwick

20:55 - 20:20BFS Belfast Intl-BOS Boston Logan Intl

28h 25m2 stops London Gatwick Zurich

£629Multiple Airlines

Useful Info

Low season	March
High season	April
Cheapest flight	£174

Best time to beat the crowds (43% less expensive on average)

Most popular time to fly and prices are also 10% lower on average.

Flight from Boston to Belfast Intl Airport

How does KAYAK find such low prices on flights from Massachusetts to Belfast Intl Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Belfast Intl Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Belfast Intl Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast Intl Airport from Massachusetts is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from Massachusetts to Belfast Intl Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast Intl Airport with an airline and back to Massachusetts with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Belfast Intl Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast Intl Airport from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.