Cheapest return flights from Hong Kong to Ulaanbaatar in August from $376

AirHint found the following cheapest return flights from Hong Kong (HKG) to Ulaanbaatar (UBN) in August 2025 (see full year).

Return flights

30 Aug - 14 Sep HK Express
05 Aug - 12 Aug MIAT Mongolian Airlines direct
25 Aug - 30 Aug MIAT Mongolian Airlines direct
23 Aug - 31 Aug HK Express
05 Aug - 10 Aug MIAT Mongolian Airlines
16 Aug - 26 Aug MIAT Mongolian Airlines
27 Aug - 29 Aug HK Express
24 Aug - 31 Aug HK Express
16 Aug - 29 Aug MIAT Mongolian Airlines
16 Aug - 24 Aug MIAT Mongolian Airlines direct
12 Aug - 17 Aug HK Express
11 Aug - 02 Sep Jeju Air
30 Aug - 14 Sep Cathay Pacific direct

Also check the deals for one-way flights from Hong Kong to Ulaanbaatar in August.

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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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