AirHint found the following cheapest return flights from Ulaanbaatar (UBN) to Tokyo (NRT) in May 2026 (see full year).
Return flights
| 22 May - 31 May | Aero Mongolia | direct | |
| 24 May - 31 May | Aero Mongolia | direct | |
| 01 May - 10 May | United | direct | |
| 06 May - 12 May | United | direct | |
| 03 May - 08 May | Korean Air |
Also check the deals for one-way flights from Ulaanbaatar to Tokyo in May.
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