AirHint found the following cheapest one-way flights from Ulaanbaatar (UBN) to Singapore (SIN) in December 2025 (see full year).
One-Way flights
| 02 Dec | Jeju Air | ||
| 31 Dec | Hunnu Air | ||
| 30 Dec | MIAT Mongolian Airlines | ||
| 30 Dec | MIAT Mongolian Airlines | direct |
Also check the deals for return flights from Ulaanbaatar to Singapore 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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