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

Return flights

24 Oct - 15 Nov	LATAM Airlines Group
24 Oct - 06 Nov	LATAM Airlines Group
20 Oct - 24 Oct	Copa
20 Oct - 09 Nov	LATAM Airlines Group
16 Oct - 23 Oct	LATAM Airlines Group
21 Oct - 25 Oct	LATAM Airlines Group
03 Oct - 12 Oct	LATAM Airlines Group
28 Oct - 19 Nov	LATAM Airlines Group
21 Oct - 23 Oct	Copa
13 Oct - 27 Oct	LATAM Airlines Group
08 Oct - 01 Nov	LATAM Airlines Group
14 Oct - 31 Oct	Copa
23 Oct - 28 Nov	Copa
31 Oct - 11 Nov	KLM
17 Oct - 27 Nov	LATAM Airlines Group
29 Oct - 05 Nov	Turkish Airlines
03 Oct - 05 Oct	LATAM Airlines Group
27 Oct - 11 Nov	British Airways
12 Oct - 14 Oct	Sky Airline
13 Oct - 31 Oct	Turkish Airlines

Also check the deals for one-way flights from Buenos Aires 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 Buenos Aires to Sydney in October from 1463€

Return flights