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Cheap flights from Sydney to Sihanoukville

Compare Sydney 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 Sydney to Sihanoukville

Looking for a cheap last-minute deal or the best return flight from Sydney to Sihanoukville? Find the lowest prices on one-way and return tickets right here.
Sihanoukville.P33,830 per passenger.Departing Mon, 27 Apr, returning Tue, 5 May.Return flight with Scoot and AirAsia Cambodia.Outbound indirect flight with Scoot, departs from Sydney on Mon, 27 Apr, arriving in Sihanoukville.Inbound indirect flight with AirAsia Cambodia, departs from Sihanoukville on Tue, 5 May, arriving in Sydney.Price includes taxes and charges.From P33,830, select.
Sihanoukville.P34,663 per passenger.Departing Tue, 1 Sep, returning Thu, 3 Sep.Return flight with Vietnam Airlines and Air Cambodia.Outbound indirect flight with Vietnam Airlines, departs from Sydney on Tue, 1 Sep, arriving in Sihanoukville.Inbound indirect flight with Air Cambodia, departs from Sihanoukville on Thu, 3 Sep, arriving in Sydney.Price includes taxes and charges.From P34,663, select.
Sihanoukville.P35,688 per passenger.Departing Sun, 1 Mar, returning Sun, 8 Mar.Return flight with Scoot and AirAsia.Outbound indirect flight with Scoot, departs from Sydney on Sun, 1 Mar, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Sun, 8 Mar, arriving in Sydney.Price includes taxes and charges.From P35,688, select.
Sihanoukville.P38,143 per passenger.Departing Tue, 25 Nov, returning Tue, 2 Dec.Return flight with Scoot and Vietnam Airlines.Outbound indirect flight with Scoot, departs from Sydney on Tue, 25 Nov, arriving in Sihanoukville.Inbound indirect flight with Vietnam Airlines, departs from Sihanoukville on Tue, 2 Dec, arriving in Sydney.Price includes taxes and charges.From P38,143, select.
Sihanoukville.P42,859 per passenger.Departing Fri, 16 Jan, returning Mon, 26 Jan.Return flight with Scoot and AirAsia.Outbound indirect flight with Scoot, departs from Sydney on Fri, 16 Jan, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Mon, 26 Jan, arriving in Sydney.Price includes taxes and charges.From P42,859, select.
Sihanoukville.P53,216 per passenger.Departing Mon, 15 Dec, returning Mon, 22 Dec.Return flight with AirAsia X and AirAsia.Outbound indirect flight with AirAsia X, departs from Sydney on Mon, 15 Dec, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Mon, 22 Dec, arriving in Sydney.Price includes taxes and charges.From P53,216, select.
Sihanoukville.P71,105 per passenger.Departing Sun, 21 Dec, returning Mon, 5 Jan.Return flight with Hainan Airlines and Air Cambodia.Outbound indirect flight with Hainan Airlines, departs from Sydney on Sun, 21 Dec, arriving in Sihanoukville.Inbound indirect flight with Air Cambodia, departs from Sihanoukville on Mon, 5 Jan, arriving in Sydney.Price includes taxes and charges.From P71,105, select.

Find the cheapest month to fly from Sydney to Sihanoukville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Sihanoukville flights are currently cheapest in September.
Nov
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Dec
from P53,216
Jan
from P42,859
Feb
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Mar
from P35,688
Apr
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May
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Jun
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Jul
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Aug
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Sep
from P34,663
Oct
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Sydney to Sihanoukville: Alternative routes

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

Sydney to Sihanoukville: Flight information

The things to know before you go.
Cheapest flight foundP33,830
Cheapest month to flyApril

Finding cheap flights from Sydney to Sihanoukville: Frequently asked questions

The best price we found for a return flight from Sydney to Sihanoukville is P33,830. 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 Sydney to Sihanoukville. But we found flights with one or more stops from P33,830.
As of November 2025, there are no flights flying from Sydney to Sihanoukville.
The cheapest month to fly from Sydney to Sihanoukville is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Sihanoukville Airport on Monday, 27 April 2026.
No airlines currently offer direct flights between Sydney 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 Sydney (Kingsford Smith) Airport (SYD) to Sihanouk International Airport (KOS): what you need to know

  • Sihanoukville is four hours behind Sydney and is in the UTC+7 timezone.

  • Leave plenty of time to make your SYD to KOS flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as April, it's best to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight when you travel during a high season in general.

  • Pick a stopover if you want to break up your flight. Simply deselect 'Direct flights only' to see the options for tickets from Sydney (Kingsford Smith) Airport to Sihanouk International Airport. Kuala Lumpur International Airport is a popular stopover on the SYD to KOS route.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Sihanouk International Airport (KOS)

  • Currently, P16,385 is the lowest price we've seen for a one-way Sydney (Kingsford Smith) Airport to Sihanouk International Airport flight. The best price for a return plane ticket is P33,830. Keep in mind that fares may change due to demand at the time of booking.

  • To find cheap tickets from SYD to KOS, book early. Airlines generally offer lower prices when flights are first made available.

  • The 'Whole month' search tool shows you the cheapest flights from Sydney (Kingsford Smith) Airport to Sihanouk International Airport across every month. It's a good way to find a bargain if your travel dates aren't set in stone.

  • Stay on top of deals for cheap flights from SYD to KOS by setting up a Price Alert. You'll get an email or notification through the app when fares go down.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Sydney (Kingsford Smith) Airport to Sihanouk International Airport.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • 69.62% of flights taking off from Sydney (Kingsford Smith) Airport touch down at their destination on time.

  • Central Sydney to Sydney (Kingsford Smith) Airport is around 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Planning to catch public transport? You can expect a journey time of around 25 minutes.

  • Searching for a handy hotel near SYD? If you've booked an early flight from Sydney (Kingsford Smith) Airport to Sihanouk International Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Sihanouk International Airport (KOS)

  • Step off your Sydney (Kingsford Smith) Airport to Sihanouk International Airport flight and be relaxing in your hotel bed shortly after. If you're looking for a comfy option that's not too far from KOS, check out Sok Sabay Resort.

Getting from Sihanouk International Airport (KOS) to central Sihanoukville

  • Sihanouk International Airport to central Sihanoukville has a drive time of around 45 minutes. It's approximately 24 kilometres away.

When to fly to Sihanouk International Airport (KOS)

  • January is the most popular month for flights from Sydney (Kingsford Smith) Airport to Sihanouk International Airport. For a quieter experience, go to Sihanoukville in April.

  • When booking your flight from Sydney (Kingsford Smith) Airport to Sihanouk International Airport, consider the type of weather you enjoy. May is the warmest month in Sihanoukville, with the temperature ranging from 25ºC (77ºF) to 31ºC (88ºF).

  • Look for cheap tickets from SYD to KOS in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 23ºC (73ºF) and 29ºC (84ºF) on average.

Explore more of Cambodia

  • Sihanoukville is always a good idea, but there are so many other corners of Cambodia just waiting to be discovered. About 193 kilometres north-east of Sihanoukville, a visit to Phnom Penh will keep you busy. Don't miss top attractions like Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Battambang is another well-known destination in Cambodia and is around 274 kilometres north of Sihanoukville. No journey is complete without dropping by The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden.

Plan the rest of your trip from Sydney to Sihanoukville

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