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

Return flights

08 Dec - 13 Dec	Lufthansa
09 Dec - 13 Dec	United
08 Dec - 13 Dec	Air France	direct
09 Dec - 13 Dec	Delta	direct
23 Dec - 04 Jan	Air Canada
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 - 10 Dec	Aer Lingus	direct
04 Dec - 07 Dec	Aer Lingus	direct
24 Dec - 03 Jan	Air Canada
06 Dec - 02 Jan	TAP
23 Dec - 02 Jan	Air Canada
20 Dec - 01 Jan	Icelandair
20 Dec - 03 Jan	Icelandair
20 Dec - 01 Jan	Iberia	direct
20 Dec - 03 Jan	Aer Lingus	direct
23 Dec - 04 Jan	Aer Lingus	direct

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 $332

Return flights