AirHint found the following cheapest return flights from Istanbul (IST) to Ulaanbaatar (UBN) in October 2025 (see full year).
Return flights
| 26 Oct - 30 Oct | Jazeera Airways | ||
| 26 Oct - 08 Nov | Pegasus Airlines | ||
| 26 Oct - 15 Nov | Pegasus Airlines | ||
| 25 Oct - 07 Nov | AJet | ||
| 25 Oct - 29 Oct | Air Arabia |
Also check the deals for one-way flights from Istanbul to Ulaanbaatar in October.
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