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

Return flights

27 Aug - 03 Sep	Japan Airlines
04 Aug - 01 Sep	KLM
28 Aug - 10 Sep	Turkish Airlines
20 Aug - 29 Aug	Ethiopian Airlines
07 Aug - 15 Aug	Ethiopian Airlines
27 Aug - 27 Sep	Ethiopian Airlines
11 Aug - 27 Aug	Ethiopian Airlines
07 Aug - 14 Aug	Turkish Airlines
05 Aug - 19 Aug	Turkish Airlines
29 Aug - 18 Sep	Air France
26 Aug - 30 Aug	Emirates

Also check the deals for one-way 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 return flights from Sao Paulo to Singapore in August from 1021€

Return flights