Cheap Flights from Singapore to Sihanoukville

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Compare Singapore to Sihanoukville flight deals

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

Book the best Sihanoukville fare with no extra fees

Flight deals from Singapore to Sihanoukville

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

Find the cheapest month to fly from Singapore to Sihanoukville

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

Singapore to Sihanoukville: Alternative routes

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

Singapore to Sihanoukville: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 6,149
Cheapest month to flyJuly

Finding cheap flights from Singapore to Sihanoukville: Frequently asked questions

The best price we found for a return flight from Singapore to Sihanoukville is ج.م.‏ 12,756. 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 Singapore to Sihanoukville. But we found flights with one stop from ج.م.‏ 12,756.
As of June 2025, there are no flights flying from Singapore to Sihanoukville.
The cheapest month to fly from Singapore to Sihanoukville is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Singapore to Sihanoukville Airport on Monday, 23 June 2025.
No airlines currently offer direct flights between Singapore 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.
The cheapest airline that flies to Sihanoukville is AirAsia .

Flying from Singapore to Sihanouk International Airport (KOS): what you need to know

  • There are a couple of main airports you can take off from in Singapore. Explore your options leaving from Changi International Airport (SIN) or Seletar Airport (XSP) when reserving your flight from Singapore to Sihanouk International Airport (KOS).

  • The timezone in Sihanoukville is UTC+7, which is 1 hour behind Singapore. Sihanouk International Airport is located in Sihanoukville.

  • To ensure you get on your flight from Singapore to KOS, allow plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Travelling during a peak month like August? Major public holidays and other popular seasons can mean longer queues at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

Airports in Singapore

Changi International Airport (SIN)

  • Think about adding a stopover to potentially save on your flight from Singapore to KOS. Simply uncheck 'Direct flights only' when searching for departures from Changi International Airport (SIN). Break up your trip (and maybe save some cash) by stopping at one of these airports:

    • Tan Son Nhat International Airport (SGN)

    • Siem Reap-Ankor International Airport (SAI)

    • Kuala Lumpur International Airport (KUL)

  • SIN is around 21 kilometres from central Singapore. To work out how to get there, use Google Maps. This handy travel app will show you the quickest route and available public transport options.

  • Booked an early flight from Singapore to Sihanouk International Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays near Changi International Airport:

Seletar Airport (XSP)

  • On public transport, you can travel from central Singapore to XSP in around 1 hour and 24 minutes. The airport is roughly 19 kilometres away, and making the trip by car will take approximately 23 minutes.

  • Want to treat yourself to an extra night away before boarding your flight from Singapore to KOS? Unwind in a hotel near Seletar Airport before your holiday officially starts. Check out these accommodation options:

About Sihanouk International Airport (KOS)

  • Once your flight from Singapore to Sihanouk International Airport has landed, kick back at a hotel close by. Sihanouk City View Condominium is a good 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.

How to find the cheapest flights from Singapore to Sihanouk International Airport (KOS)

  • For a one-way ticket from Singapore to Sihanouk International Airport, ج.م.‏ 6,149 is the cheapest price. You can also book a return trip starting from ج.م.‏ 12,756. These are currently the lowest fares but are subject to change based on availability.

  • It's usually best to book ahead of time if you're hoping to get cheap tickets from Singapore to KOS. That's because airlines adjust prices based on demand, which tends to increase closer to the departure date.

  • If you're flexible with your trip dates, take advantage of the 'Whole month' tool. It'll show you the cheapest price across each month when searching for your ticket from Singapore to Sihanouk International Airport.

  • Sign into your online account or use the app to set up a Price Alert. You'll get notified straight away if there's a new deal on this route. It's simple to do, and it'll save you from looking for cheap flight tickets from Singapore to KOS every day.

  • Use the filters to tailor your flights from Singapore to Sihanouk International Airport. Simply enter your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to get the best deals.

The best time to fly from Singapore to Sihanouk International Airport (KOS)

  • It's time to choose your dates for your flight from Singapore to Sihanouk International Airport. August is the busiest month for a trip to Sihanoukville. If you like a more relaxed atmosphere, go in April.

  • The warmest month in Sihanoukville is May, with temperatures ranging between 25ºC and 31ºC. Lock in your flights from Singapore to KOS in this month if this is the type of weather you enjoy.

  • Look for cheap flights from Singapore to Sihanouk International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 23ºC and 29ºC on average.

More about Sihanoukville

  • Start your Sihanoukville trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Singapore to Sihanouk International Airport, check out our range of accommodation options including:

  • One of the best ways to get a feel for Sihanoukville is to check out its most popular sights. Some highlights include Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

Complete your Sihanoukville trip with a car rental

  • Once you've booked your hotel and cheap flight from Singapore to Sihanouk International Airport, your next task is choosing one of our car rentals in Sihanoukville. Browse the deals and easily compare your options on pick-up convenience, price, and more.

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