Skyscanner

Cheap Flights from Singapore Changi to Sihanoukville

Compare Singapore Changi to Sihanoukville flight deals

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

Book the best Sihanoukville fare with no extra fees

Flight deals from Singapore Changi to Sihanoukville

Looking for a cheap last-minute deal or the best return flight from Singapore Changi to Sihanoukville? Find the lowest prices on one-way and return tickets right here.
Sihanoukville.R 2,295 per passenger.Departing Sat, 4 Oct.One-way flight with Scoot.Outbound indirect flight with Scoot, departs from Singapore Changi on Sat, 4 Oct, arriving in Sihanoukville.Price includes taxes and charges.From R 2,295, select.
Sihanoukville.R 2,464 per passenger.Departing Thu, 14 Aug.One-way flight with Scoot.Outbound indirect flight with Scoot, departs from Singapore Changi on Thu, 14 Aug, arriving in Sihanoukville.Price includes taxes and charges.From R 2,464, select.
Sihanoukville.R 2,547 per passenger.Departing Mon, 2 Feb.One-way flight with Scoot.Outbound indirect flight with Scoot, departs from Singapore Changi on Mon, 2 Feb, arriving in Sihanoukville.Price includes taxes and charges.From R 2,547, select.
Sihanoukville.R 2,711 per passenger.Departing Sat, 20 Sep.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Singapore Changi on Sat, 20 Sep, arriving in Sihanoukville.Price includes taxes and charges.From R 2,711, select.
Sihanoukville.R 2,738 per passenger.Departing Thu, 22 Jan.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Singapore Changi on Thu, 22 Jan, arriving in Sihanoukville.Price includes taxes and charges.From R 2,738, select.
Sihanoukville.R 2,854 per passenger.Departing Sun, 30 Nov.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Singapore Changi on Sun, 30 Nov, arriving in Sihanoukville.Price includes taxes and charges.From R 2,854, select.
Sihanoukville.R 2,879 per passenger.Departing Thu, 4 Dec.One-way flight with Scoot.Outbound indirect flight with Scoot, departs from Singapore Changi on Thu, 4 Dec, arriving in Sihanoukville.Price includes taxes and charges.From R 2,879, select.
Sihanoukville.R 2,993 per passenger.Departing Wed, 30 Jul.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Singapore Changi on Wed, 30 Jul, arriving in Sihanoukville.Price includes taxes and charges.From R 2,993, select.

Find the cheapest month to fly from Singapore Changi to Sihanoukville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Singapore Changi to Sihanoukville flights are currently cheapest in October.
Jul
from R 2,993
Aug
from R 2,464
Sep
from R 2,711
Oct
from R 2,295
Nov
from R 2,854
Dec
from R 2,879
Jan
from R 2,738
Feb
from R 2,547
Mar
from R 3,096
Apr
Find prices
May
Find prices
Jun
Find prices

Singapore Changi to Sihanoukville: Alternative routes

Compare routes from Singapore Changi to Sihanoukville below. You may find an airport to fly into that's cheaper, faster, or easier than Sihanoukville.

Singapore to Sihanoukville: Flight information

The things to know before you go.
Cheapest flight foundR 2,295
Cheapest month to flyOctober

Finding cheap flights from Singapore Changi to Sihanoukville: Frequently asked questions

The best price we found for a return flight from Singapore Changi to Sihanoukville is R 4,658. 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 Singapore Changi to Sihanoukville. But we found flights with one or more stops from R 4,656.
As of July 2025, there are no flights flying from Singapore Changi to Sihanoukville.
The cheapest month to fly from Singapore Changi to Sihanoukville is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Singapore Changi Airport to Sihanoukville Airport on Friday, 24 October 2025.
No airlines currently offer direct flights between Singapore Changi Airport and Sihanoukville Airport. 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 Sihanoukville 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 Sihanoukville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Scoot offers the cheapest flight tickets to Sihanoukville.

Travelling from Changi International Airport (SIN) to Sihanouk International Airport (KOS): what you need to know

  • Sihanoukville is one hour behind Singapore and is in the UTC+7 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport with enough time to board your SIN to KOS flight.

  • Be prepared for longer queues during popular months like April. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.

  • If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Changi International Airport to Sihanouk International Airport. These are the top stopovers between SIN and KOS:

    • Kuala Lumpur International Airport

    • Siem Reap-Ankor International Airport

    • Tan Son Nhat International Airport

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

  • Right now, R 2,295 is the cheapest price we've found for a one-way Changi International Airport to Sihanouk International Airport flight. The best price for a return ticket is R 4,656. Keep in mind that fares could change due to demand at the time of booking.

  • Don't wait until the last minute. You're more likely to get cheap tickets from SIN to KOS if you book ahead. Airlines often have some fantastic early bird deals.

  • The 'Whole month' search tool shows you the cheapest flights from Changi International Airport to Sihanouk International Airport across each month. It's an easy way to snap up a bargain if your plans are flexible.

  • Save time searching for cheap flights from SIN to KOS by creating a Price Alert. You'll receive an email or notification on the app when a lower fare pops up.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Changi International Airport to Sihanouk International Airport.

Handy information about Changi International Airport (SIN)

  • Of the departures from Changi International Airport, 68.95% arrive on time at their destination.

  • To get to Changi International Airport from central Singapore, it'll take around 20 minutes by car. This depends on traffic though. It's approximately 21 kilometres from the airport to the city centre.

  • Expect a trip time of around 1 hour on public transport.

  • Taking an early flight from Changi International Airport to Sihanouk International Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near SIN:

Arriving at Sihanouk International Airport (KOS)

  • Consider staying at Sok Sabay Resort after arriving from your Changi International Airport to Sihanouk International Airport flight. It's a short drive from KOS and a handy option if you'd like to freshen up right away.

Getting from Sihanouk International Airport (KOS) to central Sihanoukville

  • Sihanouk International Airport is approximately 24 kilometres from central Sihanoukville. Driving there takes about 45 minutes.

When to fly to Sihanouk International Airport (KOS)

  • The quietest month for a flight from Changi International Airport to Sihanouk International Airport is April, while January is the busiest. Pick the best time to visit Sihanoukville based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Sihanoukville is May, with temperatures ranging between 25ºC (77ºF) and 31ºC (88ºF). Book your flights from Changi International Airport to Sihanouk International Airport in this month if this is the kind of weather you like.

  • January sees average temperatures of between 23ºC (73ºF) and 29ºC (84ºF). Look for cheap tickets from SIN to KOS around that time if you like travelling in cooler conditions.

Explore more of Cambodia

  • Sihanoukville has its own special appeal, but there are so many other parts of Cambodia you should also see. Around 193 kilometres north-east of Sihanoukville, a visit to Phnom Penh will keep you busy. Start with attractions like Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Around 274 kilometres north of Sihanoukville, Battambang is another essential stop in Cambodia. Start your sightseeing at The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden.

Plan the rest of your trip from Singapore to Sihanoukville

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