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

Return flights

23 Jan - 26 Jan	Air Canada
27 Jan - 06 Feb	Air Canada
22 Jan - 25 Jan	Aer Lingus	direct
20 Jan - 26 Jan	Air Canada
21 Jan - 28 Jan	United
22 Jan - 26 Jan	United
21 Jan - 26 Jan	United
30 Jan - 04 Feb	United
28 Jan - 04 Feb	United
30 Jan - 06 Feb	United
21 Jan - 28 Jan	Aer Lingus	direct
23 Jan - 28 Jan	United
27 Jan - 03 Feb	Air Canada
24 Jan - 26 Jan	Aer Lingus	direct
23 Jan - 04 Feb	United
21 Jan - 03 Feb	United	direct
22 Jan - 03 Feb	United
31 Jan - 07 Feb	United
20 Jan - 26 Jan	Aer Lingus	direct
21 Jan - 01 Feb	United	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 288€

Return flights