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

Return flights

21 Aug - 28 Aug	Qantas
24 Aug - 09 Sep	LATAM Airlines Group
22 Aug - 03 Sep	LATAM Airlines Group
26 Aug - 09 Sep	LATAM Airlines Group
26 Aug - 02 Sep	LATAM Airlines Group
22 Aug - 07 Sep	LATAM Airlines Group
25 Aug - 14 Sep	LATAM Airlines Group
22 Aug - 29 Aug	LATAM Airlines Group
25 Aug - 09 Sep	LATAM Airlines Group
24 Aug - 08 Sep	Qantas
05 Aug - 12 Aug	Qantas
28 Aug - 15 Sep	LATAM Airlines Group
19 Aug - 20 Sep	LATAM Airlines Group
29 Aug - 31 Aug	Qantas
17 Aug - 31 Aug	LATAM Airlines Group
18 Aug - 25 Aug	LATAM Airlines Group
07 Aug - 22 Aug	Qantas
07 Aug - 14 Aug	Qantas
12 Aug - 21 Aug	Qantas
03 Aug - 30 Aug	Qantas

Also check the deals for one-way flights from Sydney to Buenos Aires 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 Buenos Aires in August from $1121

Return flights