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

Return flights

28 Aug - 04 Sep	Air China
23 Aug - 07 Sep	Air China
30 Aug - 07 Sep	Air China
20 Aug - 31 Aug	Air China
05 Aug - 11 Aug	Air China
11 Aug - 18 Aug	SWISS
18 Aug - 05 Sep	SWISS
17 Aug - 05 Sep	SWISS
18 Aug - 25 Aug	SWISS
16 Aug - 31 Aug	SWISS
05 Aug - 19 Aug	Air China
11 Aug - 29 Aug	SWISS
06 Aug - 19 Aug	Air China
05 Aug - 22 Aug	Air China
04 Aug - 19 Aug	SWISS
30 Aug - 06 Sep	Finnair
16 Aug - 06 Sep	SWISS

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

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 August from 584€

Return flights