Airport Bus: Airport bus is the most popular method to get to Chungking Mansions. The Airbus Station is located near Hall B on the Arrivals Level (Level 5) of Hong Kong International Airport. Find the bus stand for A21 Airport Hung Hom KCR Station Route. You will see a map of the terminal. There is usually a lineup of around 10. The bus departs approximately every 10-15 minutes. A fare is HK$33. When you are on the bus, be sure to first secure your luggage then find a sit on the lower level. In 40 -90 minutes (varies with traffic) you will reach the Bus Stop No.14 - Middle Road, Nathan Road. (1st being the airport). Because the service time of A21 is 05:00-23:59, you can use N21 airport bus at same place and stop at same bus stop if you arrival Hong Kong after 00:00