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

Return flights

12 Sep - 19 Sep	Air China
05 Sep - 18 Sep	China Eastern
15 Sep - 25 Sep	Air China
22 Sep - 02 Oct	Air China
19 Sep - 03 Oct	China Eastern
03 Sep - 17 Sep	Air China
04 Sep - 19 Sep	Air China
15 Sep - 22 Sep	easyJet
01 Sep - 14 Sep	Air China
27 Sep - 12 Oct	easyJet
06 Sep - 21 Sep	China Eastern
08 Sep - 22 Sep	easyJet
13 Sep - 21 Sep	Air China
20 Sep - 10 Oct	Air China
28 Sep - 31 Oct	easyJet
29 Sep - 31 Oct	Saudia
25 Sep - 05 Oct	Air China
26 Sep - 05 Oct	Air China
28 Sep - 06 Oct	Etihad Airways
29 Sep - 06 Oct	Etihad Airways

Also check the deals for one-way flights from Geneva to Osaka 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 Osaka in September from 582€

Return flights