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

Return flights

21 Aug - 28 Aug	LATAM Airlines Group
29 Aug - 13 Sep	Qatar Airways
20 Aug - 27 Aug	Qatar Airways
31 Aug - 17 Sep	Qatar Airways
22 Aug - 25 Sep	Qatar Airways
29 Aug - 07 Sep	Qatar Airways
13 Aug - 18 Aug	LATAM Airlines Group
07 Aug - 14 Aug	Qantas
21 Aug - 01 Sep	Qatar Airways
06 Aug - 17 Aug	Qantas
25 Aug - 30 Aug	Copa
03 Aug - 11 Aug	LATAM Airlines Group
22 Aug - 30 Aug	Qatar Airways
29 Aug - 09 Sep	LATAM Airlines Group
26 Aug - 02 Sep	LATAM Airlines Group
01 Aug - 18 Aug	LATAM Airlines Group
02 Aug - 12 Aug	LATAM Airlines Group
01 Aug - 01 Sep	LATAM Airlines Group

Also check the deals for one-way flights from Sao Paulo to Sydney 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 Sao Paulo to Sydney in August from $1499

Return flights