S$212 Cheap Flights from Singapore to Sihanoukville

View S$212 flight on Wed, 22 Oct, 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$212 for one-way flights and S$409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$409 Return, found 21 hours ago
S$409
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$409 found 21 hours ago
AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$411 Return, found 21 hours ago
S$411
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$411 found 21 hours ago
AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$412 Return, found 21 hours ago
S$412
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$412 found 21 hours ago
AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$414 Return, found 21 hours ago
S$414
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$414 found 21 hours ago
AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$417 Return, found 21 hours ago
S$417
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$417 found 21 hours ago
AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$419 Return, found 21 hours ago
S$419
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$419 found 21 hours ago
AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$420 Return, found 21 hours ago
S$420
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$420 found 21 hours ago
AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$421 Return, found 21 hours ago
S$421
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$421 found 21 hours ago
AirAsia
Mon, 3 Nov - Thu, 6 Nov
SIN
Singapore
KOS
Sihanoukville
S$422 Return, found 21 hours ago
S$422
Return
found 21 hours ago
Select AirAsia flight, departing Mon, 3 Nov from Singapore to Sihanoukville, returning Thu, 6 Nov, priced at S$422 found 21 hours ago
Vietnam Airlines
Fri, 12 Dec - Mon, 15 Dec
SIN
Singapore
KOS
Sihanoukville
S$676 Return, found 5 days ago
S$676
Return
found 5 days ago
Select Vietnam Airlines flight, departing Fri, 12 Dec from Singapore to Sihanoukville, returning Mon, 15 Dec, priced at S$676 found 5 days ago

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$409. 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.

Travel information

Origin airport
Changi
Destination airport
Sihanoukville
Airlines serving
Vietnam Airlines
Return price
S$409
Distance
1020 km

Book with confidence

Perfect flights from Singapore to Sihanoukville

Your Journey from Singapore to Sihanoukville

Start your unforgettable journey with Expedia. Our broad selection of flights from Singapore to Sihanoukville caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

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Experience the joy of finding cheap flights from Changi to Sihanoukville that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$212 and roundtrip prices from S$409*.
 

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Experience the Vibrant Sihanoukville

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Singapore to Sihanoukville

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