Chek Lap Kok International Airport is served by 107 airlines, flying from/to 138 destinationsLongest flight from Chek Lap Kok International Airport is Hong Kong to 🇺🇸 Atlanta (ATL), which takes around 17 hours and 20 minutes. On an airline like Kalitta Air. More info on this flight route (HKG-ATL).Shortest flight from Chek Lap Kok International Airport is Hong Kong to 🇨🇳 Guangzhou (CAN), which takes around 1 hour and 10 minutes. On an airline like Cathay Pacific. More info on this flight route (HKG-CAN).