AirHint found the following cheapest one-way flights from New York (LGA) to Istanbul (IST) in December 2025 (see full year).
One-Way flights
| 03 Dec | KLM | ||
| 06 Dec | Lufthansa | ||
| 04 Dec | KLM | ||
| 11 Dec | KLM | ||
| 12 Dec | Lufthansa | ||
| 02 Dec | Air Canada | ||
| 01 Dec | KLM | ||
| 31 Dec | Lufthansa | ||
| 13 Dec | Lufthansa | ||
| 09 Dec | Spirit Airlines |
Also check the deals for return flights from New York to Istanbul in December.
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