Cheapest return flights from Hong Kong to Ulaanbaatar in October from $412

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

Return flights

16 Oct - 19 Oct HK Express
01 Oct - 06 Oct MIAT Mongolian Airlines direct
04 Oct - 08 Oct MIAT Mongolian Airlines
05 Oct - 11 Oct MIAT Mongolian Airlines direct
04 Oct - 11 Oct MIAT Mongolian Airlines direct
02 Oct - 08 Oct MIAT Mongolian Airlines
25 Oct - 02 Nov Jeju Air
10 Oct - 14 Oct MIAT Mongolian Airlines direct
24 Oct - 01 Nov MIAT Mongolian Airlines direct
24 Oct - 02 Nov MIAT Mongolian Airlines direct
25 Oct - 02 Nov MIAT Mongolian Airlines direct
25 Oct - 01 Nov HK Express
16 Oct - 19 Oct Cathay Pacific direct
04 Oct - 08 Oct Cathay Pacific direct
03 Oct - 08 Oct Cathay Pacific direct

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

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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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