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

Return flights

03 Dec - 09 Dec	Finnair
02 Dec - 08 Dec	Finnair
02 Dec - 09 Dec	Finnair
08 Dec - 15 Dec	Finnair
29 Dec - 04 Jan	Finnair
29 Dec - 05 Jan	Finnair
07 Dec - 14 Dec	Finnair
18 Dec - 04 Jan	Finnair
17 Dec - 08 Jan	Hainan Airlines
12 Dec - 06 Jan	Hainan Airlines
18 Dec - 31 Dec	Finnair
23 Dec - 04 Jan	Finnair
19 Dec - 04 Jan	Finnair
03 Dec - 29 Dec	Finnair
20 Dec - 30 Dec	Finnair
23 Dec - 31 Dec	Finnair
23 Dec - 30 Dec	Finnair
22 Dec - 03 Jan	Finnair
18 Dec - 02 Jan	Finnair
22 Dec - 01 Jan	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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Hong Kong to Dublin in December from $490

Return flights