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

Return flights

05 Dec - 26 Dec	Air France
03 Dec - 26 Dec	Air France
01 Dec - 27 Dec	Air France
10 Dec - 30 Dec	Air France
03 Dec - 11 Dec	LATAM Airlines Group
01 Dec - 11 Dec	Air China
02 Dec - 09 Dec	LATAM Airlines Group
13 Dec - 31 Dec	Turkish Airlines
12 Dec - 23 Dec	Turkish Airlines
13 Dec - 03 Jan	LATAM Airlines Group
16 Dec - 06 Jan	LATAM Airlines Group
15 Dec - 04 Jan	LATAM Airlines Group
17 Dec - 05 Jan	LATAM Airlines Group
25 Dec - 13 Jan	Ethiopian Airlines
31 Dec - 16 Jan	Ethiopian Airlines
30 Dec - 13 Jan	British Airways
30 Dec - 14 Jan	British Airways
26 Dec - 15 Jan	Beijing Capital Airlines
29 Dec - 07 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Sao Paulo to Singapore 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 Singapore in December from 1158€

Return flights