AirHint found the following cheapest one-way flights from Cologne (CGN) to Nis (INI) in October 2025 (see full year).
One-Way flights
| 25 Oct | Air Serbia | direct | |
| 20 Oct | Ryanair | ||
| 18 Oct | Air Serbia | direct | |
| 24 Oct | Ryanair | ||
| 19 Oct | Ryanair |
Also check the deals for return flights from Cologne to Nis in October.
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