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

Return flights

02 Dec - 16 Dec	Delta
07 Dec - 16 Dec	Delta
09 Dec - 16 Dec	Delta
08 Dec - 16 Dec	Delta
05 Dec - 08 Dec	Air Canada
09 Dec - 20 Jan	Air France
09 Dec - 14 Dec	Aer Lingus	direct
10 Dec - 14 Dec	Aer Lingus	direct
05 Dec - 10 Dec	Aer Lingus	direct
05 Dec - 09 Dec	Aer Lingus	direct
10 Dec - 15 Dec	Aer Lingus	direct
13 Dec - 12 Jan	Aer Lingus	direct
12 Dec - 12 Jan	United
29 Dec - 24 Jan	United
30 Dec - 23 Jan	United	direct
30 Dec - 10 Jan	United	direct
27 Dec - 12 Jan	Air Canada
15 Dec - 10 Jan	United	direct
16 Dec - 10 Jan	Air France
16 Dec - 14 Jan	United

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 281€

Return flights