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

Return flights

13 Dec - 11 Jan	Ryanair
14 Dec - 11 Jan	Ryanair
12 Dec - 11 Jan	Scoot
16 Dec - 11 Jan	Air Arabia
15 Dec - 11 Jan	Scoot
01 Dec - 08 Dec	Scoot
02 Dec - 09 Dec	ITA Airways
04 Dec - 11 Dec	Turkish Airlines
19 Dec - 27 Jan	Sichuan Airlines
01 Dec - 10 Dec	Scoot
03 Dec - 10 Dec	Gulf Air
15 Dec - 12 Jan	Scoot
19 Dec - 30 Jan	Sichuan Airlines
02 Dec - 08 Dec	ITA Airways
05 Dec - 12 Dec	Scoot
19 Dec - 31 Jan	Sichuan Airlines
20 Dec - 29 Jan	Ryanair
01 Dec - 12 Dec	Scoot
03 Dec - 31 Dec	Gulf Air
01 Dec - 06 Dec	Scoot

Also check the deals for one-way flights from Athens to Sydney 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 Athens to Sydney in December from $983

Return flights