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

Return flights

02 Dec - 12 Dec	Scandinavian Airlines
01 Dec - 15 Dec	LOT
01 Dec - 10 Dec	LOT
05 Dec - 12 Dec	Turkish Airlines
15 Dec - 31 Dec	LOT
13 Dec - 11 Jan	LOT
17 Dec - 23 Dec	LOT
17 Dec - 16 Jan	Lufthansa
24 Dec - 16 Jan	Lufthansa
16 Dec - 05 Jan	Scandinavian Airlines
21 Dec - 02 Jan	Scandinavian Airlines
23 Dec - 02 Jan	Scandinavian Airlines
23 Dec - 05 Jan	Scandinavian Airlines
18 Dec - 07 Jan	Scandinavian Airlines
27 Dec - 05 Jan	Finnair
26 Dec - 05 Jan	Finnair
02 Dec - 16 Dec	Air Canada

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 524€

Return flights