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

Return flights

29 Dec - 09 Jan	Air France
29 Dec - 07 Jan	Delta
31 Dec - 09 Jan	Air France
31 Dec - 07 Jan	Air France
29 Dec - 10 Jan	KLM
29 Dec - 06 Jan	Air France
29 Dec - 01 Jan	Air France
30 Dec - 11 Jan	Lufthansa
30 Dec - 08 Jan	KLM
30 Dec - 13 Jan	KLM
29 Dec - 30 Dec	Iberia
28 Dec - 31 Dec	British Airways
28 Dec - 30 Dec	Ryanair
28 Dec - 29 Dec	Ryanair
29 Dec - 31 Dec	Aer Lingus	direct
28 Dec - 31 Dec	Aer Lingus	direct
28 Dec - 30 Dec	Aer Lingus	direct
28 Dec - 29 Dec	Aer Lingus	direct

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 $830

Return flights