AirHint found the following cheapest return flights from Belfast (BFS) to New York (JFK) in December 2025 (see full year).

Return flights

06 Dec - 09 Dec	easyJet
02 Dec - 07 Dec	easyJet
10 Dec - 14 Dec	easyJet
03 Dec - 07 Dec	easyJet
11 Dec - 14 Dec	easyJet
02 Dec - 14 Dec	easyJet
01 Dec - 05 Dec	easyJet
05 Dec - 09 Dec	easyJet
04 Dec - 08 Dec	British Airways
01 Dec - 06 Dec	Finnair
26 Dec - 04 Jan	easyJet
29 Dec - 03 Jan	British Airways
27 Dec - 03 Jan	Finnair
26 Dec - 02 Jan	Ryanair
30 Dec - 02 Jan	Finnair
29 Dec - 02 Jan	Finnair
18 Dec - 01 Jan	Finnair

Also check the deals for one-way flights from Belfast to New York in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Belfast to New York in December from 370€

Return flights