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
27 Dec - 19 Jan	Scoot Tigerair
08 Dec - 29 Dec	Air China
24 Dec - 21 Jan	Air China
01 Dec - 05 Dec	Singapore Airlines
04 Dec - 25 Dec	Turkish Airlines
26 Dec - 17 Jan	Turkish Airlines
16 Dec - 22 Jan	Turkish Airlines
07 Dec - 28 Dec	Qatar Airways
08 Dec - 15 Jan	Qatar Airways
29 Dec - 10 Jan	Turkish Airlines
15 Dec - 10 Jan	British Airways
12 Dec - 26 Dec	Turkish Airlines
17 Dec - 10 Jan	Turkish Airlines
20 Dec - 11 Jan	Turkish Airlines
19 Dec - 10 Jan	Turkish Airlines

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 $873

Return flights