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

Return flights

02 Dec - 10 Dec	Delta
11 Dec - 15 Dec	Aer Lingus	direct
05 Dec - 12 Dec	Aer Lingus	direct
09 Dec - 16 Dec	Aer Lingus	direct
03 Dec - 10 Dec	Aer Lingus	direct
06 Dec - 09 Dec	Aer Lingus	direct
12 Dec - 15 Dec	Aer Lingus	direct
04 Dec - 11 Dec	United	direct
13 Dec - 22 Dec	United	direct
10 Dec - 17 Dec	United	direct
24 Dec - 10 Jan	Air Canada
25 Dec - 08 Jan	United
23 Dec - 15 Jan	United
25 Dec - 01 Jan	United
24 Dec - 01 Jan	United
22 Dec - 05 Jan	Air France
29 Dec - 05 Jan	Icelandair
27 Dec - 06 Jan	United	direct
30 Dec - 03 Jan	Icelandair
10 Dec - 03 Jan	Icelandair

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 284€

Return flights