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

Return flights

04 Jun - 10 Jun	T'way Air
20 Jun - 21 Jun	T'way Air
14 Jun - 22 Jun	T'way Air
27 Jun - 05 Jul	T'way Air
20 Jun - 22 Jun	T'way Air
11 Jun - 16 Jun	Air China
01 Jun - 08 Jun	Air China
03 Jun - 09 Jun	Air China
03 Jun - 10 Jun	Air China
06 Jun - 13 Jun	Air China
10 Jun - 14 Jun	Air China
30 Jun - 05 Jul	Air China
26 Jun - 03 Jul	Air China
30 Jun - 05 Jul	MIAT Mongolian Airlines	direct
26 Jun - 03 Jul	MIAT Mongolian Airlines	direct
27 Jun - 05 Jul	MIAT Mongolian Airlines	direct

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

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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Cheapest return flights from Hong Kong to Ulaanbaatar in June from $383

Return flights