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

Return flights

25 Dec - 29 Dec	China Eastern
03 Dec - 08 Dec	Air China
04 Dec - 08 Dec	Air China
03 Dec - 11 Dec	Air China
05 Dec - 11 Dec	Air China
16 Dec - 02 Jan	China Eastern
18 Dec - 02 Jan	China Eastern
26 Dec - 09 Jan	Air China
26 Dec - 01 Jan	Air China
18 Dec - 05 Jan	Air China
24 Dec - 01 Jan	Air China
26 Dec - 03 Jan	Air China
19 Dec - 02 Jan	Air China
28 Dec - 02 Jan	Air China
07 Dec - 14 Dec	Etihad Airways
04 Dec - 10 Dec	Etihad Airways
01 Dec - 04 Dec	Etihad Airways
19 Dec - 03 Jan	Air China
08 Dec - 11 Dec	Lufthansa
06 Dec - 14 Dec	Etihad Airways

Also check the deals for one-way flights from Seoul to Geneva 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 Geneva in December from 378€

Return flights