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

Return flights

23 Jan - 26 Jan	Air Canada
21 Jan - 25 Jan	SWISS
29 Jan - 09 Feb	SWISS
22 Jan - 25 Jan	Air Canada
21 Jan - 28 Jan	KLM	direct
20 Jan - 26 Jan	Air France	direct
18 Jan - 26 Jan	Air France	direct
26 Jan - 02 Feb	Air France	direct
29 Jan - 02 Feb	Air France	direct
29 Jan - 03 Feb	Air France	direct
23 Jan - 29 Jan	Lufthansa
19 Jan - 27 Jan	Lufthansa
27 Jan - 05 Feb	Lufthansa
30 Jan - 15 Feb	United
30 Jan - 13 Feb	United
30 Jan - 02 Feb	Air Canada
23 Jan - 04 Feb	United
22 Jan - 28 Jan	SWISS
21 Jan - 26 Jan	SWISS
30 Jan - 05 Feb	SWISS

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 289€

Return flights