Cheapest return flights from Hong Kong to Ulaanbaatar in September from 308€

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

Return flights

06 Sep - 13 Sep T'way Air
20 Sep - 30 Sep T'way Air
06 Sep - 13 Sep MIAT Mongolian Airlines direct
19 Sep - 28 Sep MIAT Mongolian Airlines direct
11 Sep - 20 Sep MIAT Mongolian Airlines
20 Sep - 24 Sep Cathay Pacific direct
11 Sep - 20 Sep Cathay Pacific direct
20 Sep - 30 Sep Cathay Pacific direct

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

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