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

Return flights

03 Oct - 12 Oct	Air China
22 Oct - 29 Oct	Air China
31 Oct - 07 Nov	Air China
23 Oct - 14 Nov	Air China
22 Oct - 14 Nov	Air China
02 Oct - 15 Oct	Air China
03 Oct - 14 Oct	Air China
03 Oct - 15 Oct	Air China
22 Oct - 30 Oct	Air China
22 Oct - 19 Nov	Air China
22 Oct - 20 Nov	Air China
22 Oct - 31 Oct	China Eastern
24 Oct - 30 Oct	China Eastern
22 Oct - 18 Nov	China Eastern
24 Oct - 06 Nov	China Eastern
22 Oct - 16 Nov	China Eastern
27 Oct - 05 Nov	Air China
21 Oct - 20 Nov	SWISS
03 Oct - 10 Oct	Air China
01 Oct - 15 Oct	Air China

Also check the deals for one-way flights from Geneva to Seoul in October.

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 October from $541

Return flights