￥21,339 Cheap Flights from Sihanoukville (KOS) to Singapore (SIN)

View ￥21,339 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Sihanoukville (KOS) to Singapore Changi Airport (SIN)

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Cheap Flights from Sihanoukville to Singapore (KOS-SIN)

Prices were available within the past 7 days and start at ￥21,339 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sihanoukville (KOS) to Singapore (SIN)
Origin airport
Sihanoukville
Destination airport
Changi
Distance
1020 km

Sihanoukville to Singapore Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Sihanoukville to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Singapore.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with KOS to SIN flights that won’t make your bank account wince. Ready to temporarily leave behind Sihanoukville for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SIN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Sihanoukville Airport (KOS) to Singapore Airport?
If you're traveling from KOS to Changi Airport (SIN), round-trip flights start from . This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from KOS to SIN?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from KOS to Singapore Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for KOS to Changi Airport (SIN) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from KOS to Changi Airport?
It takes about 3 hours and 20 minutes to get from Sihanouk Intl. Airport to SIN. But with your favorite playlist and a good novel, the hours will pass by quicker.
How far is the flight from Sihanoukville Airport (KOS) to Changi Airport (SIN)?
With a flight distance of 1,050 kilometers, it's just a hop from Sihanoukville Airport (KOS) to SIN. It might be a quick flight, but it's still worth bringing along something to read.
Which airlines fly direct from Sihanouk Intl. Airport to Changi Airport?
Flying nonstop between Sihanouk Intl. Airport and SIN isn't possible at the moment. However, you'll still be able to book a flight to Singapore with at least one stop.
Are Sihanouk Intl. Airport to Changi Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up a fantastic last-minute deal from Sihanoukville Airport (KOS) to SIN, but it's also possible to miss out altogether! As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares carrier prices and updates flight deals regularly, so you can be certain you're always seeing the latest offers.

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