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

Return flights

17 Jan - 24 Jan	Lufthansa
13 Jan - 13 Feb	Lufthansa
16 Jan - 24 Jan	Lufthansa
25 Jan - 02 Feb	Lufthansa
09 Jan - 14 Jan	Lufthansa
08 Jan - 14 Jan	Lufthansa
17 Jan - 07 Feb	Air Canada
16 Jan - 07 Feb	Air Canada
14 Jan - 19 Jan	Air Canada
11 Jan - 31 Jan	SWISS
16 Jan - 19 Jan	Air Canada
16 Jan - 20 Jan	Air Canada
19 Jan - 14 Feb	Air Canada
22 Jan - 14 Feb	Air Canada
11 Jan - 18 Jan	Air Canada
23 Jan - 27 Jan	Air Canada
29 Jan - 04 Feb	SWISS
13 Jan - 13 Feb	Aer Lingus	direct
25 Jan - 02 Feb	Aer Lingus	direct
20 Jan - 14 Feb	Air Canada

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 $327

Return flights