AirHint found the following cheapest return flights from Campinas (VCP) to Istanbul (IST) in September 2025 (see full year).

Return flights

30 Sep - 07 Oct	Azul Airlines
03 Sep - 10 Sep	Azul Airlines
30 Sep - 13 Oct	Azul Airlines
27 Sep - 04 Oct	Azul Airlines
25 Sep - 02 Oct	Azul Airlines
29 Sep - 10 Oct	Air Europa
06 Sep - 20 Sep	Azul Airlines
21 Sep - 28 Sep	Azul Airlines
19 Sep - 24 Sep	Azul Airlines
08 Sep - 21 Sep	Azul Airlines
01 Sep - 24 Sep	Azul Airlines
02 Sep - 09 Sep	Azul Airlines
01 Sep - 11 Sep	Azul Airlines
20 Sep - 30 Sep	Air Europa
16 Sep - 20 Sep	Air Europa

Also check the deals for one-way flights from Campinas 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 return flights from Campinas to Istanbul in September from $1012

Return flights