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

Return flights

08 Jul - 15 Jul	HK Express
09 Jul - 15 Jul	Peach
15 Jul - 22 Jul	Eastar Jet
14 Jul - 18 Jul	HK Express
09 Jul - 16 Jul	China Eastern
20 Jul - 25 Jul	Peach
09 Jul - 13 Jul	Tigerair Taiwan
08 Jul - 29 Jul	HK Express
14 Jul - 19 Jul	HK Express
06 Jul - 10 Jul	T'way Air
27 Jul - 02 Aug	Jin Air
29 Jul - 07 Aug	Eastar Jet
16 Jul - 06 Aug	Jetstar Japan
29 Jul - 02 Aug	Cathay Pacific
25 Jul - 01 Aug	EVA Air

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

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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Cheapest return flights from Taipei to Ulaanbaatar in July from 467€

Return flights