AirHint found the following cheapest return flights from New York (JFK) to Dublin (DUB) in December 2026 (see full year).

Return flights

10 Dec - 24 Dec	Delta
07 Dec - 21 Dec	Delta
10 Dec - 15 Dec	Delta
01 Dec - 04 Dec	Aer Lingus	direct
01 Dec - 08 Dec	Aer Lingus	direct
02 Dec - 05 Dec	Aer Lingus	direct
02 Dec - 09 Dec	Aer Lingus	direct
03 Dec - 06 Dec	Aer Lingus	direct
03 Dec - 10 Dec	Aer Lingus	direct
04 Dec - 11 Dec	Aer Lingus	direct
29 Dec - 12 Jan	Finnair
08 Dec - 04 Jan	SWISS
08 Dec - 04 Jan	Aer Lingus	direct
18 Dec - 08 Jan	Iberia
29 Dec - 01 Jan	Aer Lingus
18 Dec - 08 Jan	Aer Lingus	direct
30 Dec - 02 Jan	Aer Lingus

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 310€

Return flights