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

Return flights

31 Aug - 29 Sep	Japan Airlines
20 Aug - 01 Sep	Air France
17 Aug - 01 Sep	Air France
22 Aug - 08 Sep	Qatar Airways
16 Aug - 31 Aug	Ethiopian Airlines
04 Aug - 15 Aug	Ethiopian Airlines
14 Aug - 23 Aug	Ethiopian Airlines
04 Aug - 01 Sep	Ethiopian Airlines
01 Aug - 22 Aug	Ethiopian Airlines
15 Aug - 22 Aug	Ethiopian Airlines
14 Aug - 21 Aug	Qatar Airways
25 Aug - 30 Aug	Ethiopian Airlines
02 Aug - 08 Aug	Ethiopian Airlines
13 Aug - 20 Aug	Ethiopian Airlines
26 Aug - 26 Sep	Qatar Airways
02 Aug - 09 Aug	Qatar Airways

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 1038€

Return flights