AirHint found the following cheapest one-way flights from Ulaanbaatar (UBN) to Tokyo (NRT) in December 2025 (see full year).
One-Way flights
| 26 Dec | Aero Mongolia | direct | |
| 02 Dec | Jeju Air | ||
| 28 Dec | Aero Mongolia | direct | |
| 02 Dec | MIAT Mongolian Airlines | direct | |
| 12 Dec | MIAT Mongolian Airlines | ||
| 13 Dec | Korean Air | ||
| 12 Dec | MIAT Mongolian Airlines | direct |
Also check the deals for return flights from Ulaanbaatar to Tokyo in December.
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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