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

Return flights

23 Jan - 04 Feb	Air Canada
10 Jan - 18 Jan	Air Canada
12 Jan - 20 Jan	SWISS
29 Jan - 02 Feb	SWISS
17 Jan - 23 Jan	Air Canada
29 Jan - 01 Feb	KLM	direct
16 Jan - 22 Jan	Air Canada
18 Jan - 23 Jan	Icelandair
18 Jan - 26 Jan	Air France	direct
19 Jan - 23 Jan	Icelandair
28 Jan - 04 Feb	Air France	direct
28 Jan - 11 Feb	Air France	direct
29 Jan - 02 Feb	Air France	direct
29 Jan - 08 Feb	Delta	direct
30 Jan - 04 Feb	Delta	direct
29 Jan - 04 Feb	Delta	direct
10 Jan - 14 Jan	Icelandair
17 Jan - 24 Jan	Air Canada
10 Jan - 17 Jan	Air Canada
27 Jan - 05 Feb	Lufthansa

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 279€

Return flights