Cheapest return flights from New York to Istanbul in September from $526

AirHint found the following cheapest return flights from New York (NYC) to Istanbul (IST) in September 2026 (see full year).

Return flights

29 Sep - 13 Oct Scandinavian Airlines
03 Sep - 17 Sep Scandinavian Airlines
26 Sep - 10 Oct Scandinavian Airlines
12 Sep - 13 Sep LOT
03 Sep - 17 Sep Turkish Airlines direct
12 Sep - 13 Sep Turkish Airlines direct
01 Sep - 12 Sep Finnair

Also check the deals for one-way flights from New York to Istanbul in September.

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