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

Return flights

26 Dec - 22 Jan	Finnair
03 Dec - 15 Dec	HK Express
27 Dec - 06 Jan	Air China
09 Dec - 16 Dec	Air China
20 Dec - 01 Jan	VietJet Air
30 Dec - 06 Jan	SWISS
30 Dec - 09 Jan	SWISS
31 Dec - 10 Jan	SWISS
26 Dec - 08 Jan	Finnair
18 Dec - 01 Jan	Juneyao Airlines
21 Dec - 01 Jan	Juneyao Airlines
06 Dec - 13 Dec	Hainan Airlines
10 Dec - 16 Dec	Finnair
11 Dec - 16 Dec	Finnair
21 Dec - 31 Dec	Juneyao Airlines
16 Dec - 24 Dec	Finnair
30 Dec - 04 Jan	Turkish Airlines
18 Dec - 30 Dec	Juneyao Airlines
20 Dec - 31 Dec	Juneyao Airlines
21 Dec - 30 Dec	Juneyao Airlines

Also check the deals for one-way flights from Hong Kong to Oslo 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 Oslo in December from 591€

Return flights