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

Return flights

28 Dec - 10 Jan	Air China
30 Dec - 17 Jan	Air China
21 Dec - 16 Jan	Qatar Airways
01 Dec - 10 Dec	Thai Lion Air
04 Dec - 13 Dec	Air China
14 Dec - 21 Dec	Air China
18 Dec - 04 Jan	Finnair
28 Dec - 03 Jan	Finnair
11 Dec - 01 Jan	Air China
14 Dec - 01 Jan	Air China
13 Dec - 01 Jan	Air China
24 Dec - 11 Jan	SWISS
24 Dec - 07 Jan	SWISS
17 Dec - 24 Dec	Finnair
05 Dec - 12 Dec	Finnair
06 Dec - 13 Dec	China Eastern
25 Dec - 31 Dec	Finnair
18 Dec - 29 Dec	Finnair
18 Dec - 27 Dec	Finnair
24 Dec - 31 Dec	Finnair

Also check the deals for one-way flights from Hong Kong to Copenhagen 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 Copenhagen in December from 585€

Return flights