S$245 Cheap Flights from Singapore to Sihanoukville

View S$245 flight on Fri, 29 Aug, 2025Opens in a new window

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

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Cheap Flights from Singapore to Sihanoukville (SIN-KOS)

Prices were available within the past 7 days and start at S$245 for one-way flights and S$373 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

AirAsia
Tue, 26 Aug - Tue, 2 Sep
SIN
Singapore
KOS
Sihanoukville
S$373 Return, found 3 days ago
S$373
Return
found 3 days ago
Select AirAsia flight, departing Tue, 26 Aug from Singapore to Sihanoukville, returning Tue, 2 Sep, priced at S$373 found 3 days ago
AirAsia
Tue, 26 Aug - Tue, 2 Sep
SIN
Singapore
KOS
Sihanoukville
S$376 Return, found 3 days ago
S$376
Return
found 3 days ago
Select AirAsia flight, departing Tue, 26 Aug from Singapore to Sihanoukville, returning Tue, 2 Sep, priced at S$376 found 3 days ago
AirAsia
Wed, 20 Aug - Wed, 27 Aug
SIN
Singapore
KOS
Sihanoukville
S$377 Return, found 5 days ago
S$377
Return
found 5 days ago
Select AirAsia flight, departing Wed, 20 Aug from Singapore to Sihanoukville, returning Wed, 27 Aug, priced at S$377 found 5 days ago
AirAsia
Thu, 28 Aug - Thu, 4 Sep
SIN
Singapore
KOS
Sihanoukville
S$378 Return, found 4 days ago
S$378
Return
found 4 days ago
Select AirAsia flight, departing Thu, 28 Aug from Singapore to Sihanoukville, returning Thu, 4 Sep, priced at S$378 found 4 days ago
AirAsia
Tue, 26 Aug - Tue, 2 Sep
SIN
Singapore
KOS
Sihanoukville
S$379 Return, found 3 days ago
S$379
Return
found 3 days ago
Select AirAsia flight, departing Tue, 26 Aug from Singapore to Sihanoukville, returning Tue, 2 Sep, priced at S$379 found 3 days ago
AirAsia
Tue, 26 Aug - Tue, 2 Sep
SIN
Singapore
KOS
Sihanoukville
S$381 Return, found 3 days ago
S$381
Return
found 3 days ago
Select AirAsia flight, departing Tue, 26 Aug from Singapore to Sihanoukville, returning Tue, 2 Sep, priced at S$381 found 3 days ago
AirAsia
Tue, 26 Aug - Tue, 2 Sep
SIN
Singapore
KOS
Sihanoukville
S$382 Return, found 3 days ago
S$382
Return
found 3 days ago
Select AirAsia flight, departing Tue, 26 Aug from Singapore to Sihanoukville, returning Tue, 2 Sep, priced at S$382 found 3 days ago
AirAsia
Wed, 20 Aug - Wed, 27 Aug
SIN
Singapore
KOS
Sihanoukville
S$384 Return, found 5 days ago
S$384
Return
found 5 days ago
Select AirAsia flight, departing Wed, 20 Aug from Singapore to Sihanoukville, returning Wed, 27 Aug, priced at S$384 found 5 days ago
AirAsia
Thu, 25 Sep - Mon, 29 Sep
SIN
Singapore
KOS
Sihanoukville
S$385 Return, found 1 day ago
S$385
Return
found 1 day ago
Select AirAsia flight, departing Thu, 25 Sep from Singapore to Sihanoukville, returning Mon, 29 Sep, priced at S$385 found 1 day ago
Vietnam Airlines
Thu, 28 Aug - Mon, 1 Sep
SIN
Singapore
KOS
Sihanoukville
S$604 Return, found 4 days ago
S$604
Return
found 4 days ago
Select Vietnam Airlines flight, departing Thu, 28 Aug from Singapore to Sihanoukville, returning Mon, 1 Sep, priced at S$604 found 4 days ago
Singapore to Sihanoukville route information
Origin airport
Changi
Destination airport
Sihanoukville
Return price
S$372
Distance
1020 km

Frequently asked questions

How much is a flight from SIN to Sihanoukville Airport (KOS)?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Changi Airport (SIN) to KOS start from S$373. Make your booking today to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SIN to Sihanoukville Airport (KOS)?
Every airline has different terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from Singapore Airport to Sihanouk Intl. 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 Changi Airport (SIN) to KOS flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Changi Airport to KOS?
That new movie you've been desperate to see will just have to wait --- the flight distance between Singapore Airport and Sihanoukville Airport (KOS) is only 1,050 kilometres. The captain will be telling you to buckle up for touchdown before you know it.
Which airlines fly direct from SIN to Sihanoukville Airport (KOS)?
There are no direct flights, so you'll have to make at least one stop between Changi Airport and Sihanouk Intl. Airport. Use the layover time to stretch your legs and freshen up.
Are Singapore Airport to Sihanoukville Airport (KOS) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Singapore Airport to KOS can be hit-or-miss. It is possible to find a bargain, but you could also miss out entirely! If you'd rather start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines publish their prices so far in advance. Our advice? Check back often as updates are made frequently.

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