Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to Mongolia as you normally would.
If you book a flight to Mongolia from Hong Kong, you will be flying from Hong Kong Intl, which is the city’s only airport. Hong Kong Intl (HKG) is located 26.0 km from the centre of Hong Kong.
Due to the rapidly changing circumstances due to COVID-19, airlines like MIAT Mongolian, Cathay Pacific, and Air China flying from Hong Kong Intl to Mongolia have implemented new flexible cancellation policies.