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

Return flights

27 Dec - 01 Jan	Air Canada
29 Dec - 01 Jan	Delta
31 Dec - 07 Jan	United
31 Dec - 04 Jan	United
28 Dec - 06 Jan	Lufthansa
29 Dec - 10 Jan	Lufthansa
28 Dec - 04 Jan	Lufthansa
29 Dec - 06 Jan	Lufthansa
29 Dec - 04 Jan	Lufthansa
27 Dec - 03 Jan	Austrian Airlines	direct
27 Dec - 30 Dec	Austrian Airlines	direct
27 Dec - 28 Dec	United	direct
28 Dec - 31 Dec	United
29 Dec - 31 Dec	Lufthansa
30 Dec - 31 Dec	Aer Lingus	direct
29 Dec - 30 Dec	United
29 Dec - 29 Dec	United
28 Dec - 31 Dec	Brussels Airlines	direct

Also check the deals for one-way flights from Dublin to Newark 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 Dublin to Newark in December from 651€

Return flights