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

Return flights

13 Dec - 13 Jan	Air France
13 Dec - 22 Dec	KLM
12 Dec - 12 Jan	Ethiopian Airlines
19 Dec - 06 Jan	Beijing Capital Airlines
26 Dec - 07 Jan	Beijing Capital Airlines
15 Dec - 04 Jan	ITA Airways
28 Dec - 24 Jan	Copa
19 Dec - 05 Jan	Beijing Capital Airlines
16 Dec - 23 Dec	KLM
30 Dec - 12 Jan	Ethiopian Airlines
21 Dec - 06 Jan	Qatar Airways
27 Dec - 14 Jan	Ethiopian Airlines

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 $1716

Return flights