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

Return flights

11 Dec - 22 Dec	Scoot
14 Dec - 29 Dec	Scoot
10 Dec - 17 Dec	Air China
15 Dec - 05 Jan	Air China
07 Dec - 05 Jan	Scoot
14 Dec - 26 Jan	Scoot
24 Dec - 31 Dec	Air China
25 Dec - 12 Jan	Scoot
11 Dec - 12 Jan	Scoot
07 Dec - 19 Dec	Scoot
27 Dec - 14 Jan	Air China
25 Dec - 16 Jan	Scoot
25 Dec - 05 Jan	Scoot
25 Dec - 09 Jan	Scoot
24 Dec - 30 Jan	Air China
03 Dec - 19 Dec	Air China
07 Dec - 22 Dec	Turkish Airlines
22 Dec - 29 Dec	Qantas
23 Dec - 31 Dec	Turkish Airlines
12 Dec - 22 Dec	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 988€

Return flights