Cheap flights from Sydney to Phnom Penh from $331
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Phnom Penh Pochentong are usually found in February or October, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
Cheap flight deals from Sydney to Phnom Penh
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 July 2025.
Round-trip from | $719 |
---|---|
One-way from | $332 |
Popular in | December |
Cheapest in | February |
Average price | $929 |
Find flight deals from Sydney to Phnom Penh
Cheapest flights from Sydney to Phnom PenhExplore the most affordable flight options available from Sydney to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.
Explore the most affordable flight options available from Sydney to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Sydney to Phnom Penh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 10 July 2025.
Use the filters below to find and compare flights from Sydney to Phnom Penh that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SydneyPhnom Penh
SYD - PNH
SYDPNH
Sydney Kingsford Smith
Sat 2/8
13:10-08:45
2 stops22h 35m
Phnom Penh Pochentong
Tue 19/8
20:20-19:30
3 stops44h 10m
SydneyPhnom Penh
SYD - PNH
SYDPNH
Sydney Kingsford Smith
Sun 7/9
10:15-09:15
1 stop26h 00m
Phnom Penh Pochentong
Mon 22/9
16:40-08:15
1 stop12h 35m
SydneyPhnom Penh
SYD - PNH
SYDPNH
Sydney Kingsford Smith
Sun 7/9
22:10-17:25
1 stop22h 15m
Phnom Penh Pochentong
Mon 29/9
11:10-06:35
1 stop16h 25m
SydneyPhnom Penh
SYD - PNH
SYDPNH
Sydney Kingsford Smith
Sat 2/8
11:20-11:35
2 stops27h 15m
Phnom Penh Pochentong
Thu 14/8
18:50-07:40
3 stops33h 50m
SydneyPhnom Penh
SYD - PNH
SYDPNH
Sydney Kingsford Smith
Sat 15/11
10:45-08:25
2 stops25h 40m
Best time to book a flight from Sydney to Phnom Penh
Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Sydney with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Sydney to Phnom Penh
How far ahead should I book a flight from Sydney to Phnom Penh?
Use this chart to determine the optimal time to book a return flight from Sydney to Phnom Penh. Price data was last updated on 27 June 2025.
To ensure you get the cheapest price possible for a flight from Sydney to Phnom Penh, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Sydney to Phnom Penh?
Currently, February is the cheapest month in which you can book a flight from Sydney to Phnom Penh (average of $524). Flying from Sydney to Phnom Penh in December is currently the most expensive (average of $1,054). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SYD to PNH?
Find hourly flight availability from Sydney to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 July 2025.
A simple way to save on the total cost of your ticket is to fly from Sydney to Phnom Penh at midday. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from Sydney to Phnom Penh?
Use this chart to determine the cheapest time to fly return from Sydney to Phnom Penh. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sydney to Phnom Penh flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from Sydney to Phnom Penh?
Reviews of airlines servicing Phnom Penh
Get insights into the airlines that provide service to Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phnom Penh. Reviews last updated 10 July 2025.
Read through reviews of airlines operating flights from Sydney to Phnom Penh, such as Vietnam Airlines, Malaysia Airlines, andChina Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Crew
Overall
Food
Entertainment
Reviews
Hamish,May 2025
SGN - MEL
Comfort
Boarding
Crew
Overall
Food
Entertainment
Reviews
Hamish,May 2025
SGN - MEL
Comfort
Boarding
Crew
Overall
Food
Entertainment
Reviews
Hamish,May 2025
SGN - MEL
Comfort
Boarding
Crew
Overall
Food
Entertainment
Reviews
Hamish,May 2025
SGN - MEL
Related info for your journey
Find useful and relevant information for your journey from Sydney to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Fly from Sydney to Phnom Penh on these airlines
Choose from the following airlines for your flight from Sydney to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 10 July 2025.
Top 10 airlines flying from Sydney to Phnom Penh
Discover the top 10 airlines that operate flights from Sydney to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 10 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to Phnom Penh?
Deals for Sydney to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Sydney to Phnom Penh?
Cheapflights helps you find that perfect flight to Phnom Penh from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Sydney to Phnom Penh with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Phnom Penh flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney to Phnom Penh become cheaper?
Of course! You can now track prices for flights from Sydney to Phnom Penh and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.