Cheapest return flights from Hong Kong to Ulaanbaatar in June from $446

Best time to book flights for Hong Kong (HKG) to Ulaanbaatar (UBN) flights at AirHint

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

Return flights

15 Jun - 21 Jun HK Express
03 Jun - 07 Jun T'way Air
07 Jun - 20 Jun HK Express
07 Jun - 21 Jun HK Express
07 Jun - 19 Jun HK Express
08 Jun - 14 Jun T'way Air
03 Jun - 14 Jun HK Express
04 Jun - 14 Jun HK Express
08 Jun - 13 Jun T'way Air
08 Jun - 15 Jun T'way Air
27 Jun - 02 Jul HK Express
26 Jun - 07 Jul T'way Air
30 Jun - 06 Jul Air China

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

Skyscanner

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.

Book a cheap hotel in Ulaanbaatar

Cheap car rent in Ulaanbaatar