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

Return flights

04 Dec - 28 Jan	LATAM Airlines Group
01 Dec - 07 Dec	Air China
08 Dec - 31 Dec	Air China
01 Dec - 08 Dec	Air China
06 Dec - 31 Dec	Air China
05 Dec - 31 Dec	Turkish Airlines
05 Dec - 14 Dec	Turkish Airlines
04 Dec - 31 Dec	Turkish Airlines
01 Dec - 13 Dec	Air China
01 Dec - 15 Dec	Air China
02 Dec - 10 Dec	Air China
29 Dec - 22 Jan	Turkish Airlines
15 Dec - 30 Jan	Turkish Airlines
29 Dec - 18 Jan	Turkish Airlines
09 Dec - 08 Jan	Air China
29 Dec - 28 Jan	Turkish Airlines
29 Dec - 23 Jan	Turkish Airlines
16 Dec - 21 Jan	Turkish Airlines
15 Dec - 22 Jan	Turkish Airlines
07 Dec - 08 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 1036€

Return flights