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

Return flights

12 Aug - 27 Aug	Air France
17 Aug - 29 Aug	Air France
17 Aug - 28 Aug	Air France
06 Aug - 27 Aug	Air France
11 Aug - 28 Aug	KLM
08 Aug - 28 Aug	Air France
19 Aug - 28 Aug	Air France
17 Aug - 13 Sep	Air France
07 Aug - 19 Aug	Air Europa
26 Aug - 07 Sep	TAP
01 Aug - 28 Aug	KLM
11 Aug - 19 Aug	Air Europa
25 Aug - 07 Sep	KLM
25 Aug - 15 Sep	KLM
19 Aug - 01 Sep	Air France
29 Aug - 14 Sep	Ethiopian Airlines
22 Aug - 13 Sep	Air France
22 Aug - 02 Sep	Air France
28 Aug - 07 Sep	Emirates
24 Aug - 07 Sep	Emirates

Also check the deals for one-way flights from Sao Paulo to Istanbul 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 Istanbul in August from 820€

Return flights