Flight tickets from Sihanoukville to Singapore

Compare Sihanoukville to Singapore flight deals

Find the cheapest month or even day of the year to fly to Singapore

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Flight deals from Sihanoukville Airport to Singapore

Looking for a cheap last-minute deal or the best return flight from Sihanoukville Airport to Singapore? If you want to travel next month, return fares start from ₹ 46,099. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sihanoukville to Singapore

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sihanoukville to Singapore flights are currently cheapest in July.

Alternative Sihanoukville to Singapore routes

Looking for the cheapest, fastest or easiest route from Sihanoukville to Singapore? You could fly into the following airports instead.

Sihanoukville to Singapore: Flight information

The things to know before you go.
Cheapest flight found₹ 18,318
Cheapest month to flyJuly

Finding cheap flights from Sihanoukville to Singapore: Frequently asked questions

There are 2 airports in Singapore: Seletar and Singapore Changi.
The best price we found for a return flight from Sihanoukville to Singapore is ₹ 34,789. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sihanoukville to Singapore. But we found flights with one or more stops from ₹ 34,789.
As of March 2026, there are no flights flying from Sihanoukville to Singapore.
The cheapest month to fly from Sihanoukville to Singapore is usually April.
If you're flying from Sihanoukville Airport, the cheapest airport near Singapore is Singapore Changi – which is 17.9 km away from the centre of Singapore. We've found flights into this airport from ₹ 34,789.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Singapore on Monday, 27 April 2026.
No airlines currently offer direct flights between Sihanoukville Airport and Singapore. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 27°C. May is typically the warmest month in Singapore, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging 25°C. The rainiest month is December.
Currently, AirAsia offers the cheapest flight tickets to Singapore.

Flying from Sihanouk International Airport (KOS) to Singapore: what you need to know

  • Sihanouk International Airport is located in Sihanoukville. Based in the UTC+8 timezone, Singapore is one hour ahead of Sihanoukville.

  • For a relaxed start to your KOS to Singapore flight, allow plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • Heading away during a peak time like school or public holidays? Expect longer lines at security and check-in. Play it safe and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • We make it easy to book flight tickets from KOS to Singapore with a stopover. To see your options, deselect 'Direct flights only.' Next, pick a flight that has a stop long enough to explore your chosen city. Major stopovers include:

    • Kuala Lumpur International Airport (KUL)

    • Tan Son Nhat International Airport (SGN)

    • Siem Reap-Ankor International Airport (SAI)

  • Central Sihanoukville to KOS is around 14 kilometres. Depending on traffic, it'll take you about 45 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Get your flight from Sihanouk International Airport to Singapore off to a relaxed start. Just a short drive from KOS, spend the night at Hana Resort and you'll be well-rested for the journey ahead.

  • 78.65% of flights that depart Sihanouk International Airport arrive at their destination on schedule.

How to find the cheapest flights from Sihanouk International Airport (KOS) to Singapore

  • ₹ 18,318 is currently the best price for a one-way Sihanouk International Airport to Singapore flight. A return flight ticket starts from ₹ 34,789. These fares may change based on availability.

  • To pick up cheap flights from KOS to Singapore, book as early as you can. Airlines usually offer their most competitively priced fares when flights are first released.

  • Landing cheap tickets from Sihanouk International Airport to Singapore is easier if you can be flexible with your trip dates. Try using the 'Whole month' function to access the lowest prices across the month and walk away with a fantastic deal.

  • Never miss a deal on cheap flights from KOS to Singapore by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Tailor your trip with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Sihanouk International Airport to Singapore.

Airports in Singapore

Changi International Airport (SIN)

  • The distance from Changi International Airport (SIN) to central Singapore is roughly 21 kilometres. It'll take you about 20 minutes to get to the centre driving.

  • It typically takes 1 hour if you're using public transport.

  • The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Sihanouk International Airport to Singapore. Check in to one of these accommodation options near SIN instead:

  • Go where the road takes you with a Changi International Airport rental car. Pick up a set of wheels from Avis, Sixt or Green Motion and find adventure across Singapore and beyond.

  • To get the lowest price, reserve your vehicle from Changi International Airport around two weeks in advance of your flight from KOS to Singapore.

Seletar Airport (XSP)

  • Seletar Airport (XSP) is about 19 kilometres from the centre of Singapore. Once you've hopped off your flight from Sihanouk International Airport to Singapore, it'll take you around 25 minutes to reach the heart of the city in a ride-share or cab.

  • The journey will take about 1 hour 25 minutes on public transport.

  • After stepping off your KOS to Singapore flight, kick back at a hotel close to XSP. These are some great accommodation options that'll help you switch to relaxation mode:

Best time to go to Singapore

  • Before scheduling your flights from Sihanouk International Airport to Singapore, consider which time of year works best for you. High season in Singapore offers a bustling atmosphere and plenty of activities, while the off-season means you'll get better deals on hotels and smaller crowds.

  • Before locking in your Sihanouk International Airport to Singapore flight ticket, think about what kind of weather you prefer. May is the warmest month in Singapore, with temperatures ranging from 25ºC to 31ºC.

  • January has average temperatures of between 24ºC and 30ºC. Look for a cheap ticket from KOS to Singapore around that time if you like cooler conditions.

More about Singapore

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Singapore right here. Explore these options after locking in your flight from Sihanouk International Airport to Singapore:

  • Gardens by the Bay and Marina Bay Sands are a couple of top-rated attractions to add to your Singapore itinerary. Keep the adventure rolling by checking out Universal Studios Singapore.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.