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

Return flights

17 Dec - 29 Dec	British Airways
23 Dec - 29 Dec	British Airways
20 Dec - 31 Dec	British Airways
12 Dec - 05 Jan	British Airways
14 Dec - 30 Dec	British Airways
17 Dec - 01 Jan	British Airways
18 Dec - 01 Jan	British Airways
18 Dec - 03 Jan	British Airways
20 Dec - 02 Jan	British Airways
22 Dec - 26 Dec	British Airways
19 Dec - 03 Jan	British Airways
21 Dec - 02 Jan	British Airways
19 Dec - 02 Jan	British Airways

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 $727

Return flights