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

Return flights

21 Oct - 12 Nov	Turkish Airlines
15 Oct - 13 Nov	Turkish Airlines
09 Oct - 20 Oct	Turkish Airlines
07 Oct - 03 Nov	Turkish Airlines
26 Oct - 03 Nov	Turkish Airlines
19 Oct - 23 Nov	Turkish Airlines
15 Oct - 05 Nov	Turkish Airlines
09 Oct - 11 Nov	Turkish Airlines
23 Oct - 17 Nov	Turkish Airlines
23 Oct - 16 Nov	Turkish Airlines
24 Oct - 16 Nov	Turkish Airlines
09 Oct - 24 Oct	LATAM Airlines Group
03 Oct - 13 Oct	Qantas
05 Oct - 26 Oct	Turkish Airlines
05 Oct - 23 Oct	Turkish Airlines
01 Oct - 12 Oct	Turkish Airlines
02 Oct - 13 Oct	Turkish Airlines
01 Oct - 31 Oct	LATAM Airlines Group
13 Oct - 20 Oct	LATAM Airlines Group
13 Oct - 28 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Sydney to Buenos Aires 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 Sydney to Buenos Aires in October from 1162€

Return flights