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

Return flights

04 Sep - 13 Sep	Qantas
24 Sep - 22 Oct	Turkish Airlines
23 Sep - 26 Oct	Turkish Airlines
23 Sep - 28 Oct	Turkish Airlines
25 Sep - 26 Oct	Qantas
01 Sep - 15 Sep	Qatar Airways
27 Sep - 26 Oct	Qatar Airways
14 Sep - 26 Oct	Turkish Airlines
22 Sep - 28 Oct	Qatar Airways
21 Sep - 28 Oct	Qatar Airways
11 Sep - 22 Oct	Qatar Airways
26 Sep - 26 Oct	Qantas
18 Sep - 23 Sep	Emirates
16 Sep - 30 Sep	Turkish Airlines
11 Sep - 17 Sep	Emirates
04 Sep - 30 Sep	Emirates
15 Sep - 21 Sep	Qatar Airways
26 Sep - 26 Sep	LATAM Airlines Group

Also check the deals for one-way flights from Sydney to Sao Paulo in September.

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 September from $1466

Return flights