AirHint found the following cheapest one-way flights from Seoul (GMP) to Ulaanbaatar (UBN) in June 2026 (see full year).
One-Way flights
| 23 Jun | Asiana Airlines | ||
| 08 Jun | Air China | ||
| 22 Jun | Air China | ||
| 03 Jun | Air China |
Also check the deals for return flights from Seoul to Ulaanbaatar in June.
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