Cheapest return flights from Hong Kong to Ulaanbaatar in May from $413

AirHint found the following cheapest return flights from Hong Kong (HKG) to Ulaanbaatar (UBN) in May 2026 (see full year).

Return flights

14 May - 18 May MIAT Mongolian Airlines direct
01 May - 09 May MIAT Mongolian Airlines direct
08 May - 15 May MIAT Mongolian Airlines direct
11 May - 15 May MIAT Mongolian Airlines direct
22 May - 30 May MIAT Mongolian Airlines direct
04 May - 11 May MIAT Mongolian Airlines direct
13 May - 15 May MIAT Mongolian Airlines direct
04 May - 08 May MIAT Mongolian Airlines direct
30 May - 07 Jun HK Express
01 May - 06 May MIAT Mongolian Airlines direct
02 May - 06 May MIAT Mongolian Airlines direct
30 May - 28 Jun Air China
29 May - 07 Jun HK Express

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

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