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

Return flights

29 Dec - 10 Jan	KLM
29 Dec - 08 Jan	KLM
29 Dec - 18 Jan	KLM
27 Dec - 08 Jan	KLM
27 Dec - 01 Jan	KLM
29 Dec - 01 Jan	KLM
29 Dec - 06 Jan	KLM
29 Dec - 09 Jan	KLM
27 Dec - 11 Jan	KLM
29 Dec - 05 Jan	KLM
27 Dec - 29 Dec	Aer Lingus	direct
28 Dec - 31 Dec	British Airways
27 Dec - 28 Dec	Iberia
29 Dec - 31 Dec	Lufthansa
28 Dec - 30 Dec	British Airways
28 Dec - 29 Dec	TAP
30 Dec - 31 Dec	Ryanair
27 Dec - 30 Dec	Finnair
27 Dec - 28 Dec	Iberia	direct
29 Dec - 30 Dec	British Airways

Also check the deals for one-way flights from Dublin 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 Dublin to New York in December from 570€

Return flights