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

Return flights

01 Dec - 10 Dec	Air France
03 Dec - 10 Dec	Air France
10 Dec - 09 Jan	Air France
13 Dec - 28 Dec	KLM
25 Dec - 10 Jan	Air France
15 Dec - 15 Jan	Air France
17 Dec - 31 Dec	Air France
24 Dec - 31 Dec	KLM
24 Dec - 06 Jan	Air France
24 Dec - 01 Jan	KLM
05 Dec - 15 Dec	Air France
08 Dec - 15 Dec	Air France
08 Dec - 14 Dec	Air France
10 Dec - 14 Dec	Air France
12 Dec - 14 Dec	Air France
19 Dec - 11 Jan	Air France
20 Dec - 20 Jan	KLM
23 Dec - 01 Jan	KLM
29 Dec - 04 Jan	KLM
25 Dec - 05 Jan	Air France

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

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 Istanbul to New York in December from $499

Return flights