Cheapest return flights from Sao Paulo to Istanbul in September from $849

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Istanbul (IST) in September 2026 (see full year).

Return flights

29 Sep - 10 Oct British Airways
22 Sep - 06 Oct British Airways
21 Sep - 05 Oct British Airways
15 Sep - 22 Sep British Airways
15 Sep - 26 Sep British Airways
26 Sep - 11 Oct British Airways
15 Sep - 29 Sep British Airways
11 Sep - 21 Sep British Airways
17 Sep - 16 Oct British Airways
14 Sep - 29 Sep British Airways
12 Sep - 26 Sep British Airways
01 Sep - 15 Sep British Airways
01 Sep - 14 Sep British Airways
02 Sep - 15 Sep British Airways
10 Sep - 20 Sep British Airways
22 Sep - 06 Oct Turkish Airlines direct
21 Sep - 05 Oct Turkish Airlines direct
17 Sep - 16 Oct Turkish Airlines direct
26 Sep - 11 Oct Turkish Airlines direct
10 Sep - 08 Oct Turkish Airlines direct

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

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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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