The flight between Haikou (HAK) and Sihanoukville (KOS) typically takes about 2 hours.
There are 3 direct flights between Haikou and Sihanoukville every week.
The flight number is HU471 and it's operated by Hainan Airlines.
From Haikou you will fly out from Meilan (HAK) and you will be landing at Sihanoukville (KOS).
Boeing 737 flies this route operated by Hainan Airlines.
Hainan Airlines have non-stop flights to Sihanoukville.
Other routes from China to Sihanoukville (KOS).
More destinations from Haikou with Hainan Airlines (HU).