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

Return flights

20 Oct - 27 Oct	Air China
13 Oct - 27 Oct	Air China
13 Oct - 23 Oct	Air China
13 Oct - 26 Oct	Air China
28 Oct - 23 Nov	Air China
01 Oct - 07 Oct	Ethiopian Airlines
01 Oct - 14 Oct	Ethiopian Airlines
29 Oct - 19 Nov	Ethiopian Airlines
28 Oct - 16 Nov	Ethiopian Airlines
28 Oct - 18 Nov	Ethiopian Airlines
08 Oct - 22 Oct	Ethiopian Airlines
22 Oct - 09 Nov	Ethiopian Airlines
13 Oct - 12 Nov	Ethiopian Airlines
20 Oct - 25 Oct	Air China
27 Oct - 06 Nov	Air China
28 Oct - 26 Nov	Air China
20 Oct - 26 Oct	Air China
27 Oct - 08 Nov	Air China
14 Oct - 13 Nov	Air China
07 Oct - 23 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 $1100

Return flights