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

Return flights

19 Jan - 26 Jan	Air Canada
19 Jan - 26 Jan	Aer Lingus	direct
31 Jan - 08 Feb	United
26 Jan - 21 Feb	United
20 Jan - 26 Jan	United
29 Jan - 21 Feb	United
21 Jan - 03 Feb	United	direct
22 Jan - 03 Feb	United
20 Jan - 27 Jan	United	direct
16 Jan - 24 Jan	United
07 Jan - 14 Jan	Air France	direct
16 Jan - 25 Jan	Aer Lingus	direct
16 Jan - 25 Jan	United
14 Jan - 21 Jan	Aer Lingus	direct
19 Jan - 25 Jan	United
31 Jan - 08 Feb	Air France	direct
27 Jan - 03 Feb	Aer Lingus	direct
30 Jan - 06 Feb	Aer Lingus	direct
13 Jan - 07 Feb	Aer Lingus	direct
25 Jan - 01 Feb	Aer Lingus	direct

Also check the deals for one-way flights from New York to Dublin in January.

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 January from 293€

Return flights