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

Return flights

16 Jan - 24 Jan	Air Canada
16 Jan - 31 Jan	Air Canada
13 Jan - 18 Jan	Air Canada
11 Jan - 18 Jan	Air Canada
12 Jan - 19 Jan	SWISS
15 Jan - 21 Jan	Air Canada
16 Jan - 28 Jan	Air Canada
16 Jan - 02 Feb	Air Canada
22 Jan - 26 Jan	United
09 Jan - 16 Jan	United
24 Jan - 31 Jan	United
21 Jan - 04 Feb	Aer Lingus	direct
29 Jan - 02 Feb	United
30 Jan - 02 Feb	United
29 Jan - 04 Feb	United
28 Jan - 01 Feb	Aer Lingus	direct
30 Jan - 06 Feb	United
30 Jan - 01 Feb	Aer Lingus	direct
29 Jan - 02 Feb	Aer Lingus	direct
29 Jan - 01 Feb	Aer Lingus	direct

Also check the deals for one-way flights from Newark 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 Newark to Dublin in January from $339

Return flights