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

Return flights

01 Dec - 08 Dec	LATAM Airlines Group
02 Dec - 07 Jan	Air China
09 Dec - 12 Jan	Air China
09 Dec - 24 Dec	Air China
09 Dec - 31 Dec	Air China
05 Dec - 29 Dec	Turkish Airlines
10 Dec - 30 Dec	LATAM Airlines Group
02 Dec - 25 Jan	Air France
02 Dec - 25 Dec	Air France
02 Dec - 23 Dec	Air France
05 Dec - 19 Dec	Turkish Airlines
16 Dec - 21 Jan	Air China
16 Dec - 07 Jan	Air China
31 Dec - 25 Jan	Turkish Airlines
06 Dec - 08 Jan	Air China
09 Dec - 08 Jan	Air China
22 Dec - 15 Jan	Air China
05 Dec - 25 Jan	Air France
02 Dec - 12 Dec	Air France
01 Dec - 20 Dec	Air China

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Sao Paulo to Bangkok in December from $1175

Return flights