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

Return flights

18 Sep - 13 Oct	Air China
16 Sep - 23 Sep	Scoot Tigerair
09 Sep - 25 Sep	Scoot Tigerair
03 Sep - 15 Sep	Etihad Airways
05 Sep - 14 Sep	Turkish Airlines
24 Sep - 07 Oct	Turkish Airlines
23 Sep - 20 Oct	Turkish Airlines
22 Sep - 19 Oct	Scoot Tigerair
01 Sep - 08 Sep	Etihad Airways
02 Sep - 08 Sep	Etihad Airways
17 Sep - 10 Oct	Scoot Tigerair
21 Sep - 04 Oct	Turkish Airlines
15 Sep - 06 Oct	Etihad Airways
15 Sep - 02 Oct	Etihad Airways
19 Sep - 03 Oct	Turkish Airlines
19 Sep - 04 Oct	Turkish Airlines

Also check the deals for one-way flights from Sydney to Geneva 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 Sydney to Geneva in September from 808€

Return flights