AirHint found the following cheapest one-way flights from Sao Paulo (CGH) to Istanbul (IST) in September 2025 (see full year).

One-Way flights

22 Sep	Azul Airlines
16 Sep	Air Europa
29 Sep	Air Europa
09 Sep	Air Europa
08 Sep	Air Europa
07 Sep	GOL Linhas Aéreas
25 Sep	GOL Linhas Aéreas
18 Sep	GOL Linhas Aéreas
04 Sep	GOL Linhas Aéreas
03 Sep	GOL Linhas Aéreas

Also check the deals for return flights from Sao Paulo to Istanbul in September.

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 Istanbul in September from $595

One-Way flights