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

Return flights

05 Oct - 10 Nov	Japan Airlines
06 Oct - 10 Nov	Japan Airlines
06 Oct - 21 Oct	Japan Airlines
09 Oct - 23 Oct	LATAM Airlines Group
24 Oct - 15 Nov	LATAM Airlines Group
05 Oct - 12 Oct	LATAM Airlines Group
27 Oct - 17 Nov	Ethiopian Airlines
06 Oct - 13 Oct	Ethiopian Airlines
08 Oct - 13 Oct	Ethiopian Airlines
01 Oct - 31 Oct	ANA
19 Oct - 26 Oct	LATAM Airlines Group
05 Oct - 11 Nov	LATAM Airlines Group
20 Oct - 02 Nov	Air China
27 Oct - 09 Nov	Air France
27 Oct - 10 Nov	Air France
06 Oct - 23 Oct	LATAM Airlines Group
27 Oct - 13 Nov	Air France
19 Oct - 27 Nov	Qatar Airways
08 Oct - 23 Oct	LATAM Airlines Group
12 Oct - 28 Oct	Qatar Airways

Also check the deals for one-way flights from Sao Paulo to Bangkok 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 Sao Paulo to Bangkok in October from $1068

Return flights