AirHint found the following cheapest return flights from Singapore (SIN) to Ulaanbaatar (UBN) in January 2026 (see full year).
Return flights
| 17 Jan - 24 Jan | Air China | ||
| 17 Jan - 27 Jan | Air China | ||
| 01 Jan - 14 Jan | Philippine Airlines |
Also check the deals for one-way flights from Singapore to Ulaanbaatar in January.
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