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

Return flights

23 Jan - 28 Jan	Air Canada
16 Jan - 19 Jan	Lufthansa
11 Jan - 18 Jan	Air Canada
10 Jan - 17 Jan	Air Canada
15 Jan - 29 Jan	Lufthansa
15 Jan - 22 Jan	Lufthansa
09 Jan - 12 Jan	Air Canada
25 Jan - 01 Feb	Lufthansa
16 Jan - 18 Jan	Air Canada
08 Jan - 14 Jan	Air Canada
15 Jan - 18 Jan	Lufthansa
23 Jan - 01 Feb	Aer Lingus	direct
29 Jan - 02 Feb	SWISS
25 Jan - 01 Feb	Aer Lingus	direct
22 Jan - 01 Feb	Aer Lingus	direct
30 Jan - 02 Feb	Aer Lingus	direct
29 Jan - 01 Feb	Aer Lingus	direct
20 Jan - 01 Feb	Air France	direct
20 Jan - 01 Feb	Air Canada
21 Jan - 03 Feb	United	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 $332

Return flights