AirHint found the following cheapest one-way flights from Sao Paulo (GRU) to Singapore (SIN) in August 2025 (see full year).

One-Way flights

30 Aug	Avianca
09 Aug	LATAM Airlines Group
10 Aug	Qatar Airways
05 Aug	Copa
04 Aug	Qatar Airways
07 Aug	Copa
08 Aug	GOL Linhas Aéreas
15 Aug	Avianca
18 Aug	Ethiopian Airlines
01 Aug	Ethiopian Airlines

Also check the deals for return flights from Sao Paulo to Singapore in August.

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 one-way flights from Sao Paulo to Singapore in August from $675

One-Way flights