AirHint found the following cheapest return flights from Singapore (SIN) to Ulaanbaatar (UBN) in November 2025 (see full year).
Return flights
| 18 Nov - 21 Nov | Scoot | ||
| 20 Nov - 27 Nov | Jeju Air | ||
| 22 Nov - 29 Nov | Cathay Pacific |
Also check the deals for one-way flights from Singapore to Ulaanbaatar in November.
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