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

Return flights

26 Oct - 03 Nov	Turkish Airlines
24 Oct - 02 Nov	Turkish Airlines
07 Oct - 28 Oct	Turkish Airlines
27 Oct - 03 Nov	Air Canada
27 Oct - 21 Nov	Air Canada
01 Oct - 24 Oct	LATAM Airlines Group
08 Oct - 15 Oct	Turkish Airlines
01 Oct - 29 Oct	Turkish Airlines
08 Oct - 13 Oct	Turkish Airlines
01 Oct - 15 Oct	LATAM Airlines Group
04 Oct - 24 Oct	Qatar Airways
02 Oct - 12 Oct	Turkish Airlines
01 Oct - 26 Oct	Emirates
04 Oct - 06 Nov	Emirates
10 Oct - 18 Nov	Air Canada

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 1150€

Return flights