AirHint found the following cheapest one-way flights from Osaka (KIX) to Ulaanbaatar (UBN) in December 2025 (see full year).
One-Way flights
| 10 Dec | Jeju Air | ||
| 17 Dec | Jeju Air | ||
| 03 Dec | Jeju Air | ||
| 08 Dec | Asiana Airlines | ||
| 27 Dec | Jeju Air | ||
| 04 Dec | Korean Air | ||
| 26 Dec | Asiana Airlines |
Also check the deals for return flights from Osaka to Ulaanbaatar in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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