AirHint found the following cheapest one-way flights from Tokyo (TYO) to Ulaanbaatar (UBN) in September 2025 (see full year).
One-Way flights
| 17 Sep | Aero K Airlines | ||
| 27 Sep | Jeju Air | ||
| 24 Sep | Jeju Air | ||
| 16 Sep | T'way Air | ||
| 25 Sep | Jeju Air | ||
| 30 Sep | T'way Air | ||
| 23 Sep | T'way Air | ||
| 28 Sep | Jeju Air | ||
| 19 Sep | Aero K Airlines | ||
| 17 Sep | MIAT Mongolian Airlines | direct |
Also check the deals for return flights from Tokyo to Ulaanbaatar in September.
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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