Sihanoukville International Airport is served by 2 airlines, flying from/to 4 destinationsLongest flight from Sihanoukville International Airport is Sihanukville to 🇰🇿 Almaty (ALA), which takes around 7 hours and 15 minutes. On an airline like SCAT Airlines. More info on this flight route (KOS-ALA).Shortest flight from Sihanoukville International Airport is Sihanukville to 🇰🇭 Siem Reap (SAI), which takes around 1 hour and 10 minutes. On an airline like Cambodia Angkor Air. More info on this flight route (KOS-SAI).