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

Return flights

30 Oct - 06 Nov	Gulf Air
27 Oct - 03 Nov	Ethiopian Airlines
28 Oct - 04 Nov	Aegean Airlines
29 Oct - 05 Nov	Gulf Air
26 Oct - 02 Nov	Aegean Airlines
22 Oct - 29 Oct	Scoot
31 Oct - 07 Nov	Air Arabia
29 Oct - 29 Nov	Gulf Air
23 Oct - 30 Oct	Aegean Airlines
25 Oct - 01 Nov	Aegean Airlines
25 Oct - 02 Nov	Aegean Airlines
25 Oct - 05 Nov	Aegean Airlines
23 Oct - 28 Oct	Aegean Airlines
21 Oct - 28 Oct	Aegean Airlines
25 Oct - 28 Oct	Aegean Airlines
19 Oct - 26 Oct	Israir
21 Oct - 31 Oct	Aegean Airlines
24 Oct - 31 Oct	Aegean Airlines
20 Oct - 26 Oct	Aegean Airlines
20 Oct - 31 Oct	Aegean Airlines

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

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 October from 732€

Return flights