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

Return flights

10 Dec - 06 Jan	Finnair
09 Dec - 08 Jan	Finnair
09 Dec - 06 Jan	Finnair
09 Dec - 07 Jan	SWISS
11 Dec - 06 Jan	Finnair
09 Dec - 05 Jan	SWISS
10 Dec - 05 Jan	Finnair
08 Dec - 05 Jan	SWISS
09 Dec - 04 Jan	Finnair
09 Dec - 03 Jan	Finnair
15 Dec - 26 Dec	British Airways
13 Dec - 20 Dec	Finnair

Also check the deals for one-way flights from Hong Kong 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 Hong Kong to Dublin in December from $544

Return flights