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

Return flights

08 Oct - 01 Nov	Icelandair
18 Oct - 03 Nov	Icelandair
11 Oct - 01 Nov	Icelandair
07 Oct - 23 Oct	British Airways
25 Oct - 01 Nov	Icelandair
08 Oct - 14 Oct	SWISS
02 Oct - 14 Oct	Austrian Airlines
02 Oct - 07 Oct	SWISS
17 Oct - 21 Oct	Scandinavian Airlines
02 Oct - 05 Oct	SWISS
02 Oct - 11 Oct	SWISS
29 Oct - 10 Nov	British Airways
15 Oct - 22 Oct	Norse Atlantic Airways (UK)
20 Oct - 04 Nov	Norse Atlantic Airways (UK)
08 Oct - 21 Oct	SWISS
04 Oct - 20 Nov	Norse Atlantic Airways (UK)
02 Oct - 06 Oct	Scandinavian Airlines
22 Oct - 15 Nov	TAP
26 Oct - 02 Nov	SWISS
30 Oct - 09 Nov	TAP

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

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 October from $430

Return flights