AirHint found the following cheapest return flights from Taipei (TPE) to Ulaanbaatar (UBN) in September 2025 (see full year).
Return flights
| 27 Sep - 29 Sep | Tigerair Taiwan | ||
| 22 Sep - 29 Sep | Tigerair Taiwan | ||
| 29 Sep - 07 Oct | Eastar Jet | ||
| 26 Sep - 01 Oct | HK Express | ||
| 23 Sep - 30 Sep | Tigerair Taiwan |
Also check the deals for one-way flights from Taipei to Ulaanbaatar in September.
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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