S$222 Cheap Flights from Singapore to Sihanoukville

View S$222 flight on Tue, 5 May, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Singapore to Sihanoukville (SIN-KOS)

Prices were available within the past 7 days and start at S$222 for one-way flights and S$428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

AirAsia
Tue, 28 Jul - Fri, 31 Jul
SIN
Singapore
KOS
Sihanoukville
S$428 Return, found 1 day ago
S$428
Return
found 1 day ago
Select AirAsia flight, departing Tue, 28 Jul from Singapore to Sihanoukville, returning Fri, 31 Jul, priced at S$428 found 1 day ago
AirAsia
Tue, 28 Jul - Fri, 31 Jul
SIN
Singapore
KOS
Sihanoukville
S$431 Return, found 1 day ago
S$431
Return
found 1 day ago
Select AirAsia flight, departing Tue, 28 Jul from Singapore to Sihanoukville, returning Fri, 31 Jul, priced at S$431 found 1 day ago
AirAsia
Tue, 28 Jul - Fri, 31 Jul
SIN
Singapore
KOS
Sihanoukville
S$456 Return, found 1 day ago
S$456
Return
found 1 day ago
Select AirAsia flight, departing Tue, 28 Jul from Singapore to Sihanoukville, returning Fri, 31 Jul, priced at S$456 found 1 day ago
AirAsia
Tue, 28 Jul - Fri, 31 Jul
SIN
Singapore
KOS
Sihanoukville
S$458 Return, found 1 day ago
S$458
Return
found 1 day ago
Select AirAsia flight, departing Tue, 28 Jul from Singapore to Sihanoukville, returning Fri, 31 Jul, priced at S$458 found 1 day ago
AirAsia
Tue, 28 Jul - Fri, 31 Jul
SIN
Singapore
KOS
Sihanoukville
S$459 Return, found 1 day ago
S$459
Return
found 1 day ago
Select AirAsia flight, departing Tue, 28 Jul from Singapore to Sihanoukville, returning Fri, 31 Jul, priced at S$459 found 1 day ago
AirAsia
Tue, 28 Jul - Fri, 31 Jul
SIN
Singapore
KOS
Sihanoukville
S$461 Return, found 1 day ago
S$461
Return
found 1 day ago
Select AirAsia flight, departing Tue, 28 Jul from Singapore to Sihanoukville, returning Fri, 31 Jul, priced at S$461 found 1 day ago
AirAsia
Fri, 8 May - Mon, 11 May
SIN
Singapore
KOS
Sihanoukville
S$466 Return, found 3 days ago
S$466
Return
found 3 days ago
Select AirAsia flight, departing Fri, 8 May from Singapore to Sihanoukville, returning Mon, 11 May, priced at S$466 found 3 days ago
AirAsia
Fri, 8 May - Mon, 11 May
SIN
Singapore
KOS
Sihanoukville
S$469 Return, found 3 days ago
S$469
Return
found 3 days ago
Select AirAsia flight, departing Fri, 8 May from Singapore to Sihanoukville, returning Mon, 11 May, priced at S$469 found 3 days ago
AirAsia
Sun, 10 May - Sun, 17 May
SIN
Singapore
KOS
Sihanoukville
S$483 Return, found 3 days ago
S$483
Return
found 3 days ago
Select AirAsia flight, departing Sun, 10 May from Singapore to Sihanoukville, returning Sun, 17 May, priced at S$483 found 3 days ago
AirAsia
Fri, 8 May - Mon, 11 May
SIN
Singapore
KOS
Sihanoukville
S$484 Return, found 3 days ago
S$484
Return
found 3 days ago
Select AirAsia flight, departing Fri, 8 May from Singapore to Sihanoukville, returning Mon, 11 May, priced at S$484 found 3 days ago

The Annual Holiday Sale

Members save up to 40% on hotels. Plan this year’s big trip and save.
Book now

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$428. 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$427
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.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including AirAsia, Vietnam Airlines. Our selection of flights from Changi to Sihanoukville caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Singapore to Sihanoukville Flights

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$222 and roundtrip prices from S$428*.
 

Pre-Flight Essentials

Ensure a smooth journey from Singapore to Sihanoukville with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Sihanoukville

Picture yourself stepping off the plane in Sihanoukville and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Singapore to Sihanoukville Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Singapore to Sihanoukville.
 

Beyond the Flight – Exploring Sihanoukville

With Expedia, your adventure extends beyond the flight. Explore Sihanoukville at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Singapore to Sihanoukville with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Singapore to Sihanoukville with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Singapore to Sihanoukville

Explore a world of travel with Expedia

*Available to Expedia members.