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

Return flights

06 Aug - 20 Aug	LATAM Airlines Group
12 Aug - 22 Aug	LATAM Airlines Group
05 Aug - 14 Aug	Qantas
05 Aug - 29 Aug	Qantas
27 Aug - 17 Sep	LATAM Airlines Group
08 Aug - 22 Aug	Qantas
08 Aug - 15 Aug	Qantas
17 Aug - 10 Sep	LATAM Airlines Group
20 Aug - 24 Aug	Qantas
10 Aug - 31 Aug	LATAM Airlines Group
24 Aug - 31 Aug	LATAM Airlines Group
06 Aug - 31 Aug	LATAM Airlines Group
05 Aug - 19 Sep	Qantas
04 Aug - 04 Sep	Qantas
25 Aug - 07 Sep	Air Canada
12 Aug - 05 Sep	Air Canada
11 Aug - 04 Sep	Air Canada
31 Aug - 25 Sep	Air Canada
12 Aug - 12 Sep	Air Canada

Also check the deals for one-way flights from Sydney to Sao Paulo 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 Sao Paulo in August from $1408

Return flights