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

Return flights

06 Oct - 26 Oct	Air China
31 Oct - 12 Nov	Air China
27 Oct - 13 Nov	Air China
28 Oct - 16 Nov	Air China
06 Oct - 16 Oct	SWISS
25 Oct - 14 Nov	Air China
25 Oct - 13 Nov	Air China
28 Oct - 14 Nov	Air China
27 Oct - 15 Nov	Air China
26 Oct - 14 Nov	Air China
26 Oct - 13 Nov	Air China
03 Oct - 10 Oct	Air China
16 Oct - 26 Oct	Air China
15 Oct - 30 Oct	Air China
16 Oct - 23 Oct	Air China
26 Oct - 09 Nov	LOT
02 Oct - 24 Oct	Finnair
16 Oct - 24 Oct	Air China
14 Oct - 27 Oct	SWISS
03 Oct - 11 Oct	Finnair

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 591€

Return flights