Cheapest return flights from Taipei to Ulaanbaatar in September from $487

Best time to book flights for Taipei (TPE) to Ulaanbaatar (UBN) flights at AirHint

AirHint found the following cheapest return flights from Taipei (TPE) to Ulaanbaatar (UBN) in September 2025 (see full year).

Return flights

18 Sep - 23 Sep Jeju Air
11 Sep - 15 Sep Jeju Air
11 Sep - 23 Sep Jeju Air
13 Sep - 20 Sep Jeju Air
13 Sep - 21 Sep Jeju Air
27 Sep - 11 Oct Scoot Tigerair
27 Sep - 02 Oct Eastar Jet
19 Sep - 24 Sep Korean Air
22 Sep - 07 Oct Tigerair Taiwan

Also check the deals for one-way flights from Taipei to Ulaanbaatar in September.

Skyscanner

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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