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

Return flights

08 Sep - 15 Sep	Qantas
04 Sep - 18 Sep	LATAM Airlines Group
16 Sep - 22 Oct	Turkish Airlines
03 Sep - 08 Sep	LATAM Airlines Group
16 Sep - 23 Sep	Turkish Airlines
30 Sep - 31 Oct	Turkish Airlines
03 Sep - 23 Sep	LATAM Airlines Group
23 Sep - 29 Sep	Turkish Airlines
08 Sep - 18 Sep	LATAM Airlines Group
24 Sep - 28 Sep	Turkish Airlines
11 Sep - 18 Sep	LATAM Airlines Group
15 Sep - 01 Oct	LATAM Airlines Group
03 Sep - 22 Oct	Turkish Airlines
03 Sep - 08 Oct	Emirates
18 Sep - 11 Oct	Emirates
29 Sep - 11 Oct	Emirates
01 Sep - 30 Sep	LATAM Airlines Group
17 Sep - 04 Oct	Emirates
13 Sep - 04 Oct	Qatar Airways

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 1395€

Return flights