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

Return flights

03 Oct - 27 Oct	Air Europa
22 Oct - 02 Nov	Air Europa
17 Oct - 29 Oct	Air Europa
01 Oct - 21 Oct	Air Europa
13 Oct - 25 Oct	Air Europa
19 Oct - 28 Oct	Air Europa
10 Oct - 17 Oct	Air Europa
19 Oct - 31 Oct	Air Europa

Also check the deals for one-way flights from Sao Paulo to Istanbul in October.

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 October from $1132

Return flights