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

Return flights

15 Oct - 23 Oct	Qatar Airways
14 Oct - 21 Oct	Qatar Airways
15 Oct - 21 Oct	Qatar Airways
15 Oct - 22 Oct	Qatar Airways
14 Oct - 22 Oct	Qatar Airways
14 Oct - 14 Nov	LATAM Airlines Group
07 Oct - 12 Oct	Qatar Airways
01 Oct - 27 Oct	Qatar Airways
20 Oct - 31 Oct	Qatar Airways
14 Oct - 23 Oct	Qatar Airways
08 Oct - 03 Nov	Emirates

Also check the deals for one-way flights from Perth 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 Perth to Sao Paulo in October from $1931

Return flights