AirHint found the following cheapest one-way flights from Istanbul (IST) to Belgrade (BEG) in October 2026 (see full year).
One-Way flights
| 09 Oct | Pegasus Airlines | direct | |
| 10 Oct | Aegean Airlines | ||
| 10 Oct | Air Serbia | direct | |
| 14 Oct | flydubai |
Also check the deals for return flights from Istanbul to Belgrade in October.
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