AirHint found the following cheapest one-way flights from Istanbul (IST) to Nis (INI) in January 2026 (see full year).
One-Way flights
| 17 Jan | Air Serbia | direct | |
| 03 Jan | Air Serbia | direct | |
| 15 Jan | Pegasus Airlines | ||
| 01 Jan | Pegasus Airlines |
Also check the deals for return flights from Istanbul to Nis in January.
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