Travelling from Koh Samui Airport (USM) to Sihanouk International Airport (KOS): what you need to know
Sihanoukville's timezone is UTC+7, which is the same as Koh Samui.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your USM to KOS flight.
Flying during a peak month like July? School holidays and other popular periods can mean longer lines and delays at security. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.
How to find the cheapest flights from Koh Samui Airport (USM) to Sihanouk International Airport (KOS)
The cheapest price we've seen for a one-way Koh Samui Airport to Sihanouk International Airport flight is Rs61,967. A return fare right now is Rs195,878. Depending on the availability and when you book, these fares may change.
To score cheap tickets from USM to KOS, book ahead. Airlines typically offer their best fares when flights are first released.
The 'Whole month' tool shows you the cheapest flights from Koh Samui Airport to Sihanouk International Airport throughout the entire month. It's an easy way to find a bargain if your plans are flexible.
Never miss a deal on cheap flights from USM to KOS by creating a Price Alert. You'll receive an email or notification through the app when a lower fare pops up.
Tailor your flights with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Koh Samui Airport to Sihanouk International Airport.
Handy information about Koh Samui Airport (USM)
69.38% of flights taking off from Koh Samui Airport touch down at their destination on time.
Koh Samui Airport is about 3 kilometres from the centre of Koh Samui. To help you work out how to get there, use Google Maps. This handy travel app will give you the quickest route and your public transport options.
Looking for a convenient hotel close to USM? If you've booked an early flight from Koh Samui Airport to Sihanouk International Airport, these stays will have you sleeping moments from check-in:
Arriving at Sihanouk International Airport (KOS)
Once your Koh Samui Airport to Sihanouk International Airport flight has touched down, relax at a nearby hotel. Sok Sabay Resort is a great option that's not too far from KOS.
Getting from Sihanouk International Airport (KOS) to central Sihanoukville
From Sihanouk International Airport, Sihanoukville is approximately 24 kilometres away. It takes around 45 minutes to reach the centre driving.
When to fly to Sihanouk International Airport (KOS)
It's time to work out your dates for your flight from Koh Samui Airport to Sihanouk International Airport. January is the most popular month to visit Sihanoukville. If you're after a more laid-back vibe, go in April.
When reserving your flight from Koh Samui Airport to Sihanouk International Airport, think about the type of weather you like. May is the warmest month in Sihanoukville, with temperatures ranging from 25ºC to 31ºC.
Search for cheap tickets from USM 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 explored once you've taken in the sights of Sihanoukville. Around 193 kilometres away to the north-east, its best attractions include Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.
If you want to check out another corner of Cambodia, head for Battambang, about 274 kilometres north of Sihanoukville. The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden are among its highlights.