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

Return flights

02 Dec - 20 Dec	Air China
03 Dec - 07 Jan	Air China
02 Dec - 21 Dec	Air China
03 Dec - 21 Jan	Air France
02 Dec - 22 Dec	Air China
02 Dec - 25 Dec	KLM
12 Dec - 12 Jan	LATAM Airlines Group
03 Dec - 22 Dec	Air France
09 Dec - 31 Jan	Qatar Airways
04 Dec - 22 Dec	KLM
03 Dec - 21 Dec	Air France
04 Dec - 28 Jan	LATAM Airlines Group
09 Dec - 26 Jan	LATAM Airlines Group
04 Dec - 21 Dec	KLM
01 Dec - 08 Dec	ITA Airways
03 Dec - 16 Dec	Qatar Airways
26 Dec - 06 Jan	LATAM Airlines Group
07 Dec - 17 Jan	Qatar Airways
15 Dec - 13 Jan	LATAM Airlines Group
02 Dec - 12 Jan	Turkish Airlines

Also check the deals for one-way flights from Sao Paulo to Bangkok in December.

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 December from 1024€

Return flights