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

Return flights

04 Dec - 14 Dec	Scoot Tigerair
27 Dec - 10 Jan	Air China
30 Dec - 10 Jan	Xiamen Airlines
02 Dec - 16 Dec	Turkish Airlines
27 Dec - 30 Jan	Air China
25 Dec - 09 Jan	Air China
25 Dec - 11 Jan	Air China
28 Dec - 30 Jan	Air China
29 Dec - 31 Jan	Air China
04 Dec - 07 Jan	Turkish Airlines
20 Dec - 27 Dec	Air China
26 Dec - 11 Jan	Air China
01 Dec - 08 Dec	Air China
01 Dec - 15 Dec	Air China
18 Dec - 08 Jan	Air China
01 Dec - 31 Dec	Singapore Airlines
10 Dec - 17 Dec	Turkish Airlines
15 Dec - 15 Dec	Emirates

Also check the deals for one-way flights from Sydney to Geneva in December.

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 December from 925€

Return flights