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

Return flights

19 Aug - 02 Sep	Air China
25 Aug - 09 Sep	China Eastern
25 Aug - 07 Sep	China Eastern
21 Aug - 10 Sep	Air China
30 Aug - 19 Sep	China Eastern
22 Aug - 11 Sep	Air China
30 Aug - 17 Sep	Air China
11 Aug - 11 Sep	SWISS
15 Aug - 09 Sep	SWISS
15 Aug - 10 Sep	SWISS
19 Aug - 27 Aug	LOT
21 Aug - 28 Aug	Air China
11 Aug - 21 Aug	SWISS
12 Aug - 21 Aug	SWISS
11 Aug - 25 Aug	SWISS
18 Aug - 31 Aug	easyJet
22 Aug - 31 Aug	Air China
06 Aug - 11 Aug	SWISS
12 Aug - 25 Aug	SWISS
24 Aug - 31 Aug	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 $656

Return flights