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

Return flights

10 Dec - 19 Dec	LOT
10 Dec - 17 Dec	KLM
10 Dec - 15 Dec	KLM
11 Dec - 15 Dec	KLM
11 Dec - 17 Dec	Turkish Airlines
10 Dec - 16 Dec	Turkish Airlines
09 Dec - 18 Dec	Turkish Airlines
11 Dec - 18 Dec	Turkish Airlines
28 Dec - 16 Jan	LOT
10 Dec - 22 Dec	AJet
28 Dec - 14 Jan	Lufthansa
22 Dec - 21 Jan	LOT
29 Dec - 18 Jan	KLM
14 Dec - 25 Dec	Air France
28 Dec - 13 Jan	Lufthansa
28 Dec - 15 Jan	Air France
27 Dec - 12 Jan	LOT
26 Dec - 16 Jan	LOT
28 Dec - 12 Jan	Lufthansa
30 Dec - 11 Jan	LOT

Also check the deals for one-way flights from Zurich to Seoul 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 Zurich to Seoul in December from $641

Return flights