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

Return flights

03 Oct - 10 Oct	Ethiopian Airlines
29 Oct - 05 Nov	Emirates
19 Oct - 26 Oct	Emirates
13 Oct - 23 Oct	GOL Linhas Aéreas
28 Oct - 04 Nov	Turkish Airlines
13 Oct - 20 Oct	Qatar Airways
06 Oct - 13 Oct	LATAM Airlines Group
01 Oct - 08 Oct	Emirates
23 Oct - 30 Oct	Ethiopian Airlines
24 Oct - 31 Oct	Emirates
22 Oct - 29 Oct	Ethiopian Airlines
10 Oct - 17 Oct	Ethiopian Airlines
31 Oct - 07 Nov	Ethiopian Airlines
25 Oct - 01 Nov	Ethiopian Airlines
22 Oct - 01 Nov	Emirates
30 Oct - 06 Nov	Ethiopian Airlines
24 Oct - 15 Nov	Emirates

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 $1573

Return flights