AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Ulaanbaatar (UBN) in July 2025 (see full year).

One-Way flights

15 Jul	HK Express
22 Jul	HK Express
08 Jul	HK Express
12 Jul	MIAT Mongolian Airlines	direct
04 Jul	MIAT Mongolian Airlines	direct
11 Jul	Air Busan
13 Jul	HK Express
05 Jul	HK Express
07 Jul	T'way Air
09 Jul	HK Express

Also check the deals for return flights from Hong Kong 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 one-way flights from Hong Kong to Ulaanbaatar in July from 179€

One-Way flights