Answered by Eileen
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Sep. 23, 2014 02:28
First of all, I'd tell you that you need to arrive at the airport at least 2-3 hours in advance for your flight. Well, walk from where you are to Haiphong Road, Nathan Road stop to take bus no. N21 to HKIA in around 70min. It operates from 01:30 to 05:10 every 20min by the way.