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

Return flights

08 Sep - 18 Sep	China Eastern
10 Sep - 18 Sep	China Eastern
10 Sep - 21 Sep	Air China
10 Sep - 17 Sep	Air China
10 Sep - 24 Sep	Air China
06 Sep - 13 Sep	Etihad Airways
11 Sep - 25 Sep	Air China
01 Sep - 10 Sep	Etihad Airways
06 Sep - 20 Sep	Etihad Airways
07 Sep - 13 Sep	Etihad Airways
23 Sep - 13 Oct	Etihad Airways
29 Sep - 09 Oct	KLM
30 Sep - 14 Oct	Etihad Airways
28 Sep - 14 Oct	Etihad Airways
29 Sep - 14 Oct	Etihad Airways
29 Sep - 13 Oct	Etihad Airways
09 Sep - 24 Oct	Lufthansa
20 Sep - 01 Oct	Air China
27 Sep - 13 Oct	LOT
27 Sep - 14 Oct	LOT

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 509€

Return flights