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

Return flights

29 Dec - 15 Jan	Finnair
29 Dec - 14 Jan	Air China
17 Dec - 26 Dec	Finnair
23 Dec - 06 Jan	Korean Air
22 Dec - 02 Jan	Air China
20 Dec - 30 Dec	Finnair
21 Dec - 04 Jan	Finnair
23 Dec - 05 Jan	Korean Air
21 Dec - 02 Jan	Finnair
22 Dec - 05 Jan	Korean Air
21 Dec - 03 Jan	Finnair
23 Dec - 04 Jan	Korean Air

Also check the deals for one-way flights from Geneva 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 Geneva to Seoul in December from 730€

Return flights