Cheap Flights from Sydney (SYD) to Phnom Penh (PNH)

Popular airlines from Sydney Airport (SYD) to Phnom Penh Intl. Airport (PNH)

Alternative airports near Phnom Penh

Prices were available within the past 7 days. Prices and availability are subject to change.

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Flights from Sydney (SYD) to Phnom Penh (PNH)
Origin airport
Kingsford Smith Intl.
Destination airport
Phnom Penh Intl.
Distance
4372 mi

Sydney to Phnom Penh Flights

The cheapest times to fly from Sydney to Phnom Penh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sydney to Phnom Penh are during the month of . You can find some of the cheapest flights from Sydney to Phnom Penh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Phnom Penh

Sunday is one of the best days to book for cheap flights from Sydney to Phnom Penh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sydney to Phnom Penh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sydney to Phnom Penh in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sydney to Phnom Penh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sydney to Phnom Penh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH) cost?
Secure a cheap one-way flight or cheap return flight from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH)?
The cheapest month to fly from SYD to PNH is , when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SYD to PNH flight.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH)?
You'll need to hop on a flight with a layover when traveling from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SYD to PNH?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH)?
To avoid potential delays on the Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH) last-minute?
Booking your flight from SYD to PNH right before your trip is usually more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a SYD to PNH flight and hotel package?
You'll typically save money by securing a SYD to PNH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH)?
It's generally possible to cancel or reschedule your SYD to PNH flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.