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

Return flights

02 Dec - 10 Dec	Air France
02 Dec - 16 Dec	Air France
03 Dec - 07 Dec	KLM	direct
28 Dec - 11 Jan	Air Canada
08 Dec - 22 Dec	Finnair
11 Dec - 15 Dec	Aer Lingus	direct
03 Dec - 10 Dec	Aer Lingus	direct
04 Dec - 11 Dec	Aer Lingus	direct
06 Dec - 09 Dec	Aer Lingus	direct
13 Dec - 16 Dec	Aer Lingus	direct
10 Dec - 17 Dec	Air France
25 Dec - 08 Jan	Air France	direct
27 Dec - 17 Jan	British Airways
26 Dec - 05 Jan	Delta
27 Dec - 01 Jan	Icelandair
27 Dec - 17 Jan	Aer Lingus	direct
30 Dec - 04 Jan	Icelandair
22 Dec - 17 Jan	Icelandair
16 Dec - 04 Jan	Icelandair
30 Dec - 03 Jan	Icelandair

Also check the deals for one-way flights from New York to Dublin 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 New York to Dublin in December from 276€

Return flights