AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to Singapore (SIN) in August 2025 (see full year).

Return flights

20 Aug - 27 Aug	Air France
26 Aug - 02 Sep	KLM
29 Aug - 05 Sep	Ethiopian Airlines
25 Aug - 01 Sep	Air France
19 Aug - 26 Aug	Air France
18 Aug - 25 Aug	LATAM Airlines Group
16 Aug - 23 Aug	Air France
17 Aug - 24 Aug	Air France
30 Aug - 06 Sep	LATAM Airlines Group
31 Aug - 07 Sep	Air France
24 Aug - 31 Aug	KLM
21 Aug - 28 Aug	Turkish Airlines
23 Aug - 30 Aug	LATAM Airlines Group
22 Aug - 29 Aug	Air France

Also check the deals for one-way flights from Rio De Janeiro 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 Rio De Janeiro to Singapore in August from 1438€

Return flights