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

Return flights

13 Jun - 17 Jun	T'way Air
07 Jun - 21 Jun	T'way Air
18 Jun - 22 Jun	Air China
19 Jun - 23 Jun	Air China
18 Jun - 23 Jun	Air China
19 Jun - 22 Jun	Air China
27 Jun - 05 Jul	T'way Air
21 Jun - 30 Jun	MIAT Mongolian Airlines	direct
27 Jun - 04 Jul	Air China
26 Jun - 04 Jul	Air China
06 Jun - 13 Jun	Air China
19 Jun - 22 Jun	MIAT Mongolian Airlines	direct
19 Jun - 23 Jun	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 300€

Return flights