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
04 Dec - 13 Dec	Turkish Airlines
22 Dec - 29 Dec	Turkish Airlines
15 Dec - 12 Jan	Turkish Airlines
16 Dec - 13 Jan	Turkish Airlines
14 Dec - 12 Jan	Turkish Airlines
01 Dec - 08 Dec	Virgin Australia
25 Dec - 17 Jan	Air China
25 Dec - 04 Jan	Scoot
08 Dec - 19 Jan	British Airways
27 Dec - 15 Jan	Turkish Airlines
07 Dec - 22 Jan	Scoot
25 Dec - 08 Jan	Scoot
17 Dec - 07 Jan	Air China
18 Dec - 25 Dec	Air China
11 Dec - 22 Dec	Virgin Australia
20 Dec - 27 Dec	Air China

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 $1073

Return flights