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

Return flights

02 Dec - 09 Dec	Icelandair
15 Dec - 10 Jan	Alaska Airlines
12 Dec - 11 Jan	Alaska Airlines
05 Dec - 14 Dec	Alaska Airlines
12 Dec - 14 Dec	Alaska Airlines
05 Dec - 07 Dec	Alaska Airlines
04 Dec - 14 Dec	Alaska Airlines
19 Dec - 04 Jan	Hawaiian Airlines
23 Dec - 09 Jan	Icelandair
22 Dec - 23 Jan	Icelandair
05 Dec - 27 Dec	Icelandair
26 Dec - 06 Jan	Alaska Airlines
25 Dec - 06 Jan	Icelandair
19 Dec - 15 Jan	Icelandair
20 Dec - 16 Jan	Alaska Airlines
26 Dec - 05 Jan	Alaska Airlines
13 Dec - 27 Dec	Icelandair
12 Dec - 27 Dec	Icelandair
10 Dec - 31 Dec	Icelandair
12 Dec - 30 Dec	Alaska Airlines

Also check the deals for one-way flights from Oakland 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 Oakland to Dublin in December from $841

Return flights