AirHint found the following cheapest return flights from Newark (EWR) to Dublin (DUB) in December 2025 (see full year).

Return flights

12 Dec - 11 Jan	Air Canada
01 Dec - 10 Dec	United
16 Dec - 11 Jan	Air Canada
12 Dec - 23 Dec	Air Canada
02 Dec - 09 Dec	United	direct
12 Dec - 19 Dec	United	direct
10 Dec - 16 Dec	United	direct
12 Dec - 23 Dec	United	direct
12 Dec - 11 Jan	United	direct
15 Dec - 11 Jan	Air Canada
03 Dec - 10 Dec	Aer Lingus	direct
04 Dec - 07 Dec	Aer Lingus	direct
04 Dec - 11 Dec	Aer Lingus	direct
05 Dec - 12 Dec	Aer Lingus	direct
17 Dec - 11 Jan	Air Canada
16 Dec - 11 Jan	United	direct
15 Dec - 11 Jan	United	direct
18 Dec - 11 Jan	Air Canada
26 Dec - 05 Jan	United
17 Dec - 11 Jan	United	direct

Also check the deals for one-way flights from Newark to Dublin in December.

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 December from 272€

Return flights