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

Return flights

06 Dec - 14 Dec	LOT
29 Dec - 04 Jan	Lufthansa
04 Dec - 11 Dec	Air France
05 Dec - 08 Dec	Air France
03 Dec - 08 Dec	Air France
25 Dec - 08 Jan	KLM
03 Dec - 10 Dec	Lufthansa
01 Dec - 08 Dec	Lufthansa
12 Dec - 16 Dec	Lufthansa
17 Dec - 23 Dec	Lufthansa
12 Dec - 22 Dec	Lufthansa
15 Dec - 24 Dec	Lufthansa
17 Dec - 28 Jan	Lufthansa
24 Dec - 01 Jan	Scandinavian Airlines
24 Dec - 04 Jan	Lufthansa
18 Dec - 08 Jan	Lufthansa
25 Dec - 04 Jan	Lufthansa
22 Dec - 05 Jan	Emirates
28 Dec - 11 Jan	KLM
23 Dec - 06 Jan	Etihad Airways

Also check the deals for one-way flights from Seoul to Zurich 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 Zurich in December from $573

Return flights