Cheapest return NYC–IST flights, September

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

Return flights

04 Sep - 11 Sep Scandinavian Airlines
15 Sep - 25 Sep Norse Atlantic Airways
18 Sep - 07 Oct Norse Atlantic Airways (UK)
09 Sep - 30 Sep Scandinavian Airlines
21 Sep - 25 Sep Scandinavian Airlines
19 Sep - 19 Oct Norse Atlantic Airways (UK)
01 Sep - 06 Sep Icelandair
15 Sep - 19 Sep Air Serbia
18 Sep - 02 Oct Scandinavian Airlines
13 Sep - 22 Sep Norse Atlantic Airways
24 Sep - 09 Oct Air Europa
25 Sep - 05 Oct Norse Atlantic Airways (UK)
13 Sep - 25 Sep TAP
06 Sep - 18 Sep Scandinavian Airlines
11 Sep - 14 Sep Norse Atlantic Airways (UK)
19 Sep - 20 Oct Air Serbia
24 Sep - 09 Oct Turkish Airlines direct
18 Sep - 07 Oct Turkish Airlines direct
18 Sep - 02 Oct Turkish Airlines direct
19 Sep - 20 Oct Turkish Airlines direct

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

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