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

Return flights

02 Dec - 09 Dec	Finnair
01 Dec - 08 Dec	Lufthansa
31 Dec - 07 Jan	Lufthansa
03 Dec - 10 Dec	Finnair
26 Dec - 29 Jan	Finnair
25 Dec - 29 Jan	Finnair
04 Dec - 11 Dec	Etihad Airways
29 Dec - 05 Jan	Finnair
30 Dec - 06 Jan	Finnair
08 Dec - 15 Dec	Finnair
15 Dec - 22 Dec	Finnair
24 Dec - 29 Jan	Finnair
28 Dec - 04 Jan	Finnair
18 Dec - 15 Jan	Lufthansa
25 Dec - 01 Jan	Etihad Airways
16 Dec - 23 Dec	Finnair
17 Dec - 24 Dec	Finnair
09 Dec - 16 Dec	Lufthansa
05 Dec - 12 Dec	Lufthansa
21 Dec - 10 Jan	Lufthansa

Also check the deals for one-way flights from Hong Kong to Lisbon 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 Lisbon in December from 482€

Return flights