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

Return flights

23 Oct - 30 Oct	Turkish Airlines
15 Oct - 22 Oct	Turkish Airlines
26 Oct - 26 Nov	Turkish Airlines
31 Oct - 07 Nov	Turkish Airlines
08 Oct - 24 Nov	Turkish Airlines
26 Oct - 02 Nov	Turkish Airlines
14 Oct - 28 Oct	Turkish Airlines
15 Oct - 20 Nov	Turkish Airlines
23 Oct - 07 Nov	Turkish Airlines
27 Oct - 26 Nov	Air Canada
18 Oct - 13 Nov	Air Canada
06 Oct - 12 Oct	Qatar Airways
03 Oct - 06 Oct	Turkish Airlines
11 Oct - 18 Oct	LATAM Airlines Group
01 Oct - 18 Oct	LATAM Airlines Group
13 Oct - 18 Oct	Qatar Airways
01 Oct - 16 Oct	LATAM Airlines Group
04 Oct - 06 Nov	Emirates
01 Oct - 01 Nov	Emirates

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

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 October from 1154€

Return flights