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

Return flights

31 Aug - 16 Sep	Jetstar
31 Aug - 07 Sep	Jetstar
31 Aug - 06 Sep	Jetstar
31 Aug - 21 Sep	Jetstar
31 Aug - 22 Sep	Jetstar
30 Aug - 23 Sep	VietJet Air
30 Aug - 10 Sep	VietJet Air
30 Aug - 13 Sep	VietJet Air
30 Aug - 21 Sep	VietJet Air
30 Aug - 17 Sep	Scoot
30 Aug - 30 Aug	Emirates

Also check the deals for one-way flights from Sydney to Athens in August.

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 August from $1110

Return flights