AirHint found the following cheapest one-way flights from New York (NYC) to Istanbul (IST) in December 2025 (see full year).
One-Way flights
| 08 Dec | TAP | ||
| 10 Dec | jetBlue | ||
| 07 Dec | TAP | ||
| 09 Dec | KLM | ||
| 24 Dec | HiSky Europe | ||
| 31 Dec | Lufthansa | ||
| 05 Dec | Norse Atlantic Airways (UK) | ||
| 04 Dec | TAP | ||
| 06 Dec | TAP | ||
| 30 Dec | Spirit Airlines |
Also check the deals for return flights from New York to Istanbul in December.
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