Cheapest return flights from Hong Kong to Ulaanbaatar in August from $488

Best time to book flights for Hong Kong (HKG) to Ulaanbaatar (UBN) flights at AirHint

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

Return flights

16 Aug - 30 Aug HK Express
01 Aug - 09 Aug MIAT Mongolian Airlines
03 Aug - 10 Aug HK Express
01 Aug - 05 Aug MIAT Mongolian Airlines
20 Aug - 24 Aug HK Express
13 Aug - 26 Aug MIAT Mongolian Airlines direct
17 Aug - 22 Aug HK Express
28 Aug - 04 Sep HK Express
20 Aug - 24 Aug Cathay Pacific direct
01 Aug - 05 Aug Cathay Pacific direct
17 Aug - 22 Aug Cathay Pacific direct
28 Aug - 04 Sep Cathay Pacific direct
22 Aug - 02 Sep Air China

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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