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

Return flights

04 Dec - 15 Dec	Scoot Tigerair
25 Dec - 05 Jan	Scoot Tigerair
11 Dec - 09 Jan	Scoot Tigerair
11 Dec - 19 Jan	Scoot Tigerair
18 Dec - 09 Jan	Scoot Tigerair
11 Dec - 02 Jan	Scoot Tigerair
18 Dec - 16 Jan	Scoot Tigerair
23 Dec - 16 Jan	Turkish Airlines
25 Dec - 22 Jan	Turkish Airlines
06 Dec - 17 Dec	Air China
08 Dec - 17 Dec	Air China
10 Dec - 17 Dec	Air China
20 Dec - 05 Jan	Scoot Tigerair
20 Dec - 02 Jan	Scoot Tigerair
24 Dec - 31 Dec	Air China
17 Dec - 22 Dec	Air China
01 Dec - 22 Dec	Air China
09 Dec - 20 Dec	Turkish Airlines
10 Dec - 24 Dec	Turkish Airlines
10 Dec - 21 Dec	Etihad Airways

Also check the deals for one-way flights from Sydney to Athens 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 Athens in December from 746€

Return flights