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

Return flights

31 Dec - 14 Jan	Scandinavian Airlines
28 Dec - 12 Jan	Scandinavian Airlines
26 Dec - 16 Jan	Lufthansa
31 Dec - 08 Jan	jetBlue
27 Dec - 11 Jan	Scandinavian Airlines
28 Dec - 08 Jan	Lufthansa
30 Dec - 07 Jan	Frontier Airlines
29 Dec - 07 Jan	Lufthansa
26 Dec - 06 Jan	Lufthansa
28 Dec - 07 Jan	Lufthansa
26 Dec - 29 Dec	Delta
25 Dec - 28 Dec	SWISS
22 Dec - 29 Dec	Delta
21 Dec - 29 Dec	Delta
24 Dec - 31 Dec	Air France
22 Dec - 31 Dec	Alaska Airlines
20 Dec - 26 Dec	Austrian Airlines
23 Dec - 31 Dec	SWISS
22 Dec - 30 Dec	Alaska Airlines
22 Dec - 28 Dec	Lufthansa

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Dublin in December from 543€

Return flights