Cheap Flights from Samui International to Sihanoukville

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Compare Samui International to Sihanoukville flight deals

Find the cheapest month or even day of the year to fly to Sihanoukville

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Flight deals from Samui International to Sihanoukville

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

Find the cheapest month to fly from Samui International to Sihanoukville

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

Samui International to Sihanoukville: Alternative routes

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

Koh Samui to Sihanoukville: Flight information

The things to know before you go.
Cheapest flight foundRs61,967
Cheapest month to flyMay

Finding cheap flights from Samui International to Sihanoukville: Frequently asked questions

The best price we found for a return flight from Samui International to Sihanoukville is Rs195,878. 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 Samui International to Sihanoukville. But we found flights with one or more stops from Rs195,878.
As of May 2025, there are no flights flying from Samui International to Sihanoukville.
The cheapest month to fly from Samui International to Sihanoukville is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Samui International Airport to Sihanoukville Airport on Sunday, 11 May 2025.
No airlines currently offer direct flights between Samui International 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, Bangkok Airways offers the cheapest flight tickets to Sihanoukville.

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.

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