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

Return flights

11 Jan - 18 Jan	United
21 Jan - 28 Jan	United
31 Jan - 07 Feb	United
31 Jan - 08 Feb	United
22 Jan - 27 Jan	United	direct
10 Jan - 17 Jan	United
06 Jan - 13 Jan	United
02 Jan - 09 Jan	United
01 Jan - 08 Jan	United	direct
21 Jan - 28 Jan	Aer Lingus	direct
31 Jan - 07 Feb	Aer Lingus	direct
31 Jan - 08 Feb	Aer Lingus	direct
11 Jan - 18 Jan	Aer Lingus	direct
06 Jan - 13 Jan	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 291€

Return flights