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

Return flights

10 Dec - 15 Dec	United
01 Dec - 08 Dec	United
13 Dec - 23 Dec	United	direct
11 Dec - 18 Dec	United	direct
01 Dec - 22 Jan	United	direct
10 Dec - 15 Dec	Aer Lingus	direct
04 Dec - 11 Dec	Aer Lingus	direct
05 Dec - 08 Dec	Aer Lingus	direct
05 Dec - 12 Dec	Aer Lingus	direct
06 Dec - 09 Dec	Aer Lingus	direct
09 Dec - 12 Dec	Aer Lingus	direct
31 Dec - 07 Jan	United
27 Dec - 06 Jan	Lufthansa
16 Dec - 20 Jan	Delta
27 Dec - 05 Jan	United
14 Dec - 04 Jan	Aer Lingus	direct
27 Dec - 06 Jan	United	direct
27 Dec - 03 Jan	Delta
15 Dec - 01 Jan	United	direct
22 Dec - 01 Jan	United	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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from New York to Dublin in December from 292€

Return flights