AirHint found the following cheapest return flights from Ulaanbaatar (UBN) to Tokyo (NRT) in January 2026 (see full year).
Return flights
| 31 Jan - 07 Feb | MIAT Mongolian Airlines | direct | |
| 01 Jan - 08 Jan | Korean Air | ||
| 04 Jan - 09 Jan | Korean Air | ||
| 05 Jan - 09 Jan | Air China |
Also check the deals for one-way flights from Ulaanbaatar to Tokyo in January.
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