Cheapest return GRU–IST flights, September

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

Return flights

27 Sep - 26 Oct British Airways
30 Sep - 09 Oct KLM
30 Sep - 18 Oct British Airways
25 Sep - 06 Oct GOL Linhas Aéreas
09 Sep - 18 Sep GOL Linhas Aéreas
09 Sep - 23 Sep KLM
09 Sep - 19 Sep KLM
22 Sep - 29 Sep British Airways
23 Sep - 07 Oct British Airways
17 Sep - 23 Sep Air Europa
21 Sep - 28 Sep KLM
22 Sep - 05 Oct KLM
24 Sep - 04 Oct KLM
09 Sep - 13 Sep Turkish Airlines direct
08 Sep - 15 Sep British Airways
21 Sep - 15 Oct Air Europa
25 Sep - 12 Oct KLM
08 Sep - 18 Sep Turkish Airlines direct
21 Sep - 15 Oct Turkish Airlines direct
17 Sep - 28 Sep KLM

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

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