AirHint found the following cheapest return flights from Ulaanbaatar (UBN) to Istanbul (IST) in April 2026 (see full year).
Return flights
| 11 Apr - 18 Apr | Turkish Airlines | direct | |
| 18 Apr - 22 Apr | Turkish Airlines | direct | |
| 18 Apr - 21 Apr | Turkish Airlines | direct | |
| 13 Apr - 20 Apr | MIAT Mongolian Airlines | ||
| 10 Apr - 13 Apr | Korean Air |
Also check the deals for one-way flights from Ulaanbaatar to Istanbul in April.
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