Cheapest return flights from New York to Istanbul in September from 403€

AirHint found the following cheapest return flights from New York (NYC) to Istanbul (IST) in September 2025 (see full year).

Return flights

08 Sep - 23 Sep SWISS
23 Sep - 21 Oct Norse Atlantic Airways (UK)
23 Sep - 07 Oct Norse Atlantic Airways (UK)
12 Sep - 19 Sep Icelandair
11 Sep - 17 Sep SWISS
09 Sep - 16 Sep Lufthansa
08 Sep - 16 Sep Austrian Airlines
15 Sep - 18 Sep Scandinavian Airlines
10 Sep - 17 Sep Austrian Airlines
07 Sep - 15 Sep SWISS
15 Sep - 22 Sep SWISS
22 Sep - 25 Sep Norse Atlantic Airways (UK)
08 Sep - 08 Oct Austrian Airlines
28 Sep - 14 Oct Norse Atlantic Airways (UK)
30 Sep - 07 Oct Icelandair
23 Sep - 01 Oct SWISS
30 Sep - 17 Oct Norse Atlantic Airways (UK)
24 Sep - 08 Oct Austrian Airlines
14 Sep - 14 Oct Norse Atlantic Airways (UK)
30 Sep - 11 Oct Norse Atlantic Airways (UK)

Also check the deals for one-way flights from New York 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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