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

Return flights

27 Oct - 04 Nov	Delta
01 Oct - 08 Oct	Air Canada
01 Oct - 04 Oct	Air Canada
25 Oct - 04 Nov	Delta
29 Oct - 08 Nov	Delta
28 Oct - 03 Nov	Delta
28 Oct - 08 Nov	Delta
20 Oct - 03 Nov	Delta
14 Oct - 05 Nov	Delta
30 Oct - 08 Nov	Delta
17 Oct - 24 Oct	Delta
17 Oct - 07 Nov	United
28 Oct - 11 Nov	Delta
08 Oct - 21 Oct	Delta
01 Oct - 07 Oct	Spirit Airlines
03 Oct - 10 Oct	Delta
03 Oct - 19 Oct	Delta
03 Oct - 12 Oct	Delta
10 Oct - 26 Oct	Delta
02 Oct - 06 Oct	Delta

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 522€

Return flights