Cheap Flights from Hong Kong Intl to Sihanoukville

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Flight deals from Hong Kong Intl to Sihanoukville

Looking for a cheap last-minute deal or the best return flight from Hong Kong Intl to Sihanoukville? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Hong Kong Intl to Sihanoukville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hong Kong Intl to Sihanoukville flights are currently cheapest in January.

Hong Kong Intl to Sihanoukville: Alternative routes

Compare routes from Hong Kong Intl to Sihanoukville below. You may find an airport to fly into that's cheaper, faster, or easier than Sihanoukville.

Hong Kong to Sihanoukville: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 461
Cheapest month to flyJanuary

Finding cheap flights from Hong Kong Intl to Sihanoukville: Frequently asked questions

The best price we found for a return flight from Hong Kong Intl to Sihanoukville is ر.ق.‏ 1,464. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Hong Kong Intl to Sihanoukville. But we found flights with one or more stops from ر.ق.‏ 1,464.
As of June 2025, there are no flights flying from Hong Kong Intl to Sihanoukville.
The cheapest month to fly from Hong Kong Intl to Sihanoukville is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hong Kong Intl Airport to Sihanoukville Airport on Saturday, 9 August 2025.
No airlines currently offer direct flights between Hong Kong Intl Airport and Sihanoukville Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sihanoukville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sihanoukville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vietnam Airlines offers the cheapest flight tickets to Sihanoukville.

Travelling from Hong Kong International Airport (HKG) to Sihanouk International Airport (KOS): what you need to know

  • Sihanoukville is one hour behind Hong Kong and is in the UTC+7 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to board your HKG to KOS flight.

  • During popular months such as April, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.

  • Choose a stopover if you'd love to break up your flight. Simply uncheck 'Direct flights only' to see the options for tickets from Hong Kong International Airport to Sihanouk International Airport. Tan Son Nhat International Airport is a popular stopover on the HKG to KOS route.

How to find the cheapest flights from Hong Kong International Airport (HKG) to Sihanouk International Airport (KOS)

  • The lowest price we've found for a one-way Hong Kong International Airport to Sihanouk International Airport flight is ر.ق.‏ 461. A round-trip plane ticket right now is ر.ق.‏ 1,464. Depending on the availability when you book, these fares may change.

  • To get your hands on cheap tickets from HKG to KOS, book as early as you can. Airlines typically offer their most competitively priced fares when flights are first released.

  • The 'Whole month' search function shows you the cheapest flights from Hong Kong International Airport to Sihanouk International Airport throughout the month. It's a good way to find a bargain if your travel plans are flexible.

  • Landing cheap flights from HKG to KOS is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Discover the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Hong Kong International Airport to Sihanouk International Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Hong Kong International Airport (HKG)

  • HKG is located at 1 Cheong Hong Rd.

  • Of all flights leaving Hong Kong International Airport, 73.04% arrive on time at their destination.

  • To get to Hong Kong International Airport from central Hong Kong, it'll take around 30 minutes by car. This depends on traffic, however. It's approximately 32 kilometres from the airport to the city centre.

  • The journey on public transport will take about 45 minutes.

  • Get your travels off to a stress-free start by staying near HKG. Whether you've booked an early flight from Hong Kong International Airport to Sihanouk International Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Sihanouk International Airport (KOS)

  • Consider a stay at Sok Sabay Resort after arriving from your Hong Kong International Airport to Sihanouk International Airport flight. It's a short drive from KOS and a comfy option if you'd like to get some sleep right away.

Getting from Sihanouk International Airport (KOS) to central Sihanoukville

  • Sihanouk International Airport to central Sihanoukville has a drive time of about 45 minutes. It's approximately 24 kilometres away.

When to fly to Sihanouk International Airport (KOS)

  • The quietest month for a flight from Hong Kong International Airport to Sihanouk International Airport is April, while January is the most popular. Choose the best time to go to Sihanoukville based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Sihanoukville is May, with the temperature ranging between 25ºC and 31ºC. Lock in your flights from Hong Kong International Airport to Sihanouk International Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from HKG to KOS in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 23ºC and 29ºC on average.

Explore more of Cambodia

  • Phnom Penh is just one of the many cities in Cambodia waiting to be discovered after you've experienced Sihanoukville. Around 193 kilometres away to the north-east, popular attractions include Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Around 274 kilometres north of Sihanoukville, Battambang is another favourite stop in Cambodia. Experience major highlights starting with The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.