When flying from Hong Kong to Dundee, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Most people fly into Dundee (DND) if they book a flight to Dundee from Hong Kong. Dundee is conveniently located just 3.6 km from Dundee’s city centre.
This is defined as Hong Kong Intl Airport (HKG) and Dundee Airport (DND). Codes like Dundee Airport are often used to just call airports uniquely.