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

Return flights

18 Dec - 31 Dec	Lufthansa
25 Dec - 06 Jan	Lufthansa
25 Dec - 07 Jan	Lufthansa
25 Dec - 31 Dec	Lufthansa
01 Dec - 11 Dec	Lufthansa
19 Dec - 28 Dec	Lufthansa
25 Dec - 28 Dec	Lufthansa
02 Dec - 03 Jan	Lufthansa
26 Dec - 31 Dec	Lufthansa
26 Dec - 07 Jan	Lufthansa
26 Dec - 12 Jan	Lufthansa
26 Dec - 21 Jan	Lufthansa
23 Dec - 30 Dec	Lufthansa
24 Dec - 21 Jan	Turkish Airlines
24 Dec - 06 Jan	Turkish Airlines
17 Dec - 27 Dec	Lufthansa
26 Dec - 08 Jan	Lufthansa
16 Dec - 23 Dec	Lufthansa
22 Dec - 30 Dec	Turkish Airlines
29 Dec - 01 Jan	Qatar Airways

Also check the deals for one-way flights from Seoul 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 Seoul to Oslo in December from $599

Return flights