S$274 Cheap Flights from Singapore to Sihanoukville

View S$274 flight on Mon, 8 Jun, 2026Opens 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$274 for one-way flights and S$513 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

AirAsia
Mon, 17 Aug - Thu, 27 Aug
SIN
Singapore
KOS
Sihanoukville
S$513 Return, found 1 day ago
S$513
Return
found 1 day ago
Select AirAsia flight, departing Mon, 17 Aug from Singapore to Sihanoukville, returning Thu, 27 Aug, priced at S$513 found 1 day ago
AirAsia
Sun, 8 Nov - Fri, 13 Nov
SIN
Singapore
KOS
Sihanoukville
S$524 Return, found 3 days ago
S$524
Return
found 3 days ago
Select AirAsia flight, departing Sun, 8 Nov from Singapore to Sihanoukville, returning Fri, 13 Nov, priced at S$524 found 3 days ago
AirAsia
Mon, 13 Jul - Fri, 24 Jul
SIN
Singapore
KOS
Sihanoukville
S$526 Return, found 5 days ago
S$526
Return
found 5 days ago
Select AirAsia flight, departing Mon, 13 Jul from Singapore to Sihanoukville, returning Fri, 24 Jul, priced at S$526 found 5 days ago
AirAsia
Mon, 13 Jul - Fri, 24 Jul
SIN
Singapore
KOS
Sihanoukville
S$527 Return, found 5 days ago
S$527
Return
found 5 days ago
Select AirAsia flight, departing Mon, 13 Jul from Singapore to Sihanoukville, returning Fri, 24 Jul, priced at S$527 found 5 days ago
AirAsia
Sun, 8 Nov - Fri, 13 Nov
SIN
Singapore
KOS
Sihanoukville
S$528 Return, found 3 days ago
S$528
Return
found 3 days ago
Select AirAsia flight, departing Sun, 8 Nov from Singapore to Sihanoukville, returning Fri, 13 Nov, priced at S$528 found 3 days ago
AirAsia
Mon, 13 Jul - Fri, 24 Jul
SIN
Singapore
KOS
Sihanoukville
S$530 Return, found 5 days ago
S$530
Return
found 5 days ago
Select AirAsia flight, departing Mon, 13 Jul from Singapore to Sihanoukville, returning Fri, 24 Jul, priced at S$530 found 5 days ago
AirAsia
Sun, 8 Nov - Fri, 13 Nov
SIN
Singapore
KOS
Sihanoukville
S$531 Return, found 3 days ago
S$531
Return
found 3 days ago
Select AirAsia flight, departing Sun, 8 Nov from Singapore to Sihanoukville, returning Fri, 13 Nov, priced at S$531 found 3 days ago
AirAsia
Sun, 8 Nov - Fri, 13 Nov
SIN
Singapore
KOS
Sihanoukville
S$534 Return, found 3 days ago
S$534
Return
found 3 days ago
Select AirAsia flight, departing Sun, 8 Nov from Singapore to Sihanoukville, returning Fri, 13 Nov, priced at S$534 found 3 days ago
AirAsia
Tue, 19 May - Fri, 22 May
SIN
Singapore
KOS
Sihanoukville
S$538 Return, found 1 day ago
S$538
Return
found 1 day ago
Select AirAsia flight, departing Tue, 19 May from Singapore to Sihanoukville, returning Fri, 22 May, priced at S$538 found 1 day ago
Vietnam Airlines
Sat, 9 May - Tue, 12 May
SIN
Singapore
KOS
Sihanoukville
S$683 Return, found 6 days ago
S$683
Return
found 6 days ago
Select Vietnam Airlines flight, departing Sat, 9 May from Singapore to Sihanoukville, returning Tue, 12 May, priced at S$683 found 6 days ago

Alternative airports near Sihanoukville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sihanoukville KOS. Cheapest and Closest option available. Average driving time to city centre is 17 minutes. Flights from S$546
KOS
Sihanoukville
CheapestClosest
Average driving time to city centre17 min
Flights from S$546

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$513. 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
Return price
S$513
Distance
1020 km

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