AirHint found the following cheapest return flights from Singapore (SIN) to Ulaanbaatar (UBN) in August 2025 (see full year).
Return flights
| 31 Aug - 13 Sep | VietJet Air | ||
| 30 Aug - 31 Aug | Jeju Air | ||
| 29 Aug - 04 Sep | Jeju Air |
Also check the deals for one-way flights from Singapore to Ulaanbaatar in August.
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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