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

Return flights

07 Dec - 08 Dec	Scoot
08 Dec - 15 Dec	VietJet Air
28 Dec - 12 Jan	Scoot
28 Dec - 19 Jan	Scoot
25 Dec - 19 Jan	Scoot
10 Dec - 26 Dec	Air China
25 Dec - 12 Jan	Scoot
14 Dec - 26 Jan	Scoot
25 Dec - 23 Jan	Scoot
14 Dec - 12 Jan	Scoot
14 Dec - 23 Jan	Scoot
25 Dec - 09 Jan	Scoot
07 Dec - 19 Dec	Scoot
07 Dec - 14 Dec	Virgin Australia
05 Dec - 12 Dec	Qatar Airways
25 Dec - 31 Dec	Scoot
21 Dec - 19 Jan	Scoot
08 Dec - 31 Dec	KLM
10 Dec - 17 Dec	KLM
20 Dec - 24 Dec	AirAsia X

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 941€

Return flights