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

Return flights

29 Sep - 06 Oct	Air Canada
29 Sep - 02 Oct	Spirit Airlines
29 Sep - 13 Oct	Air Canada
21 Sep - 11 Oct	Air Canada
24 Sep - 02 Oct	Air Canada
21 Sep - 27 Sep	Air Canada
29 Sep - 07 Oct	Air Canada
27 Sep - 07 Oct	Air Canada
24 Sep - 22 Oct	British Airways
26 Sep - 18 Oct	British Airways
18 Sep - 11 Oct	Frontier Airlines
20 Sep - 27 Sep	Air Canada
20 Sep - 26 Sep	Qatar Airways
24 Sep - 28 Sep	Emirates
20 Sep - 30 Sep	Emirates
20 Sep - 28 Sep	Emirates
21 Sep - 28 Sep	Emirates
18 Sep - 20 Sep	Emirates

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

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Cheapest return flights from New York to Istanbul in September from $589

Return flights