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

Return flights

29 Sep - 04 Oct	Icelandair
08 Sep - 16 Sep	Icelandair
06 Sep - 16 Sep	Icelandair
24 Sep - 04 Oct	Air Europa
10 Sep - 25 Sep	Air Europa
18 Sep - 27 Sep	SKY express
22 Sep - 14 Oct	Air Europa
10 Sep - 19 Sep	Air Europa
29 Sep - 05 Oct	Air Europa
25 Sep - 30 Sep	Air Europa
18 Sep - 23 Sep	Air Europa
18 Sep - 03 Oct	KLM
23 Sep - 25 Sep	KLM
16 Sep - 18 Sep	KLM
25 Sep - 25 Sep	KLM
11 Sep - 02 Oct	KLM
25 Sep - 06 Oct	KLM
11 Sep - 11 Oct	KLM
09 Sep - 07 Oct	KLM
24 Sep - 05 Oct	KLM

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

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.

Book a cheap hotel in New York

Cheap car rent in New York

Cheapest return flights from Istanbul to New York in September from 358€

Return flights