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

Return flights

03 Sep - 17 Sep	Air China
03 Sep - 10 Sep	Air China
22 Sep - 12 Oct	Air China
08 Sep - 21 Sep	China Eastern
06 Sep - 21 Sep	China Eastern
02 Sep - 16 Sep	SWISS
06 Sep - 14 Sep	China Eastern
05 Sep - 21 Sep	China Eastern
06 Sep - 23 Sep	China Eastern
11 Sep - 19 Sep	Air China
08 Sep - 15 Sep	Air China
23 Sep - 13 Oct	Air France
23 Sep - 08 Oct	LOT
29 Sep - 19 Oct	LOT
30 Sep - 17 Oct	KLM
26 Sep - 14 Oct	Air China
21 Sep - 06 Oct	Etihad Airways
19 Sep - 06 Oct	Etihad Airways
20 Sep - 05 Oct	Finnair
11 Sep - 05 Oct	Qatar Airways

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

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 September from $656

Return flights