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

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

Find the cheapest month to fly from Phnom Penh (PNH) to Sydney (SYD)

June is typically the cheapest month to fly

From $482 - $822 per traveler.

Frequently asked questions

How much does a flight from Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD) cost?
Grab a cheap one-way flight or cheap return flight from Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between PNH and SYD. You'll often find the lowest prices during the off-season.
How many flights per day from Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD)?
You'll have to hop on a flight with a layover if you're traveling from Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from PNH to SYD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD)?
To avoid potential delays on the Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD) last-minute?
Booking your plane ticket from PNH to SYD right before your getaway is typically more expensive. But if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a PNH to SYD flight and hotel package?
You'll generally save money by securing a PNH to SYD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Phnom Penh Intl. Airport (PNH) to Kingsford Smith Intl. Airport (SYD)?
If you reserved your PNH to SYD flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Phnom Penh Intl.
Destination airport
Kingsford Smith Intl.
Distance
4372 mi

Book with confidence

Phnom Penh to Sydney Flights

The cheapest times to fly from Phnom Penh to Sydney

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 Phnom Penh to Sydney are during the month of . You can find some of the cheapest flights from Phnom Penh to Sydney with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Phnom Penh to Sydney: 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 Phnom Penh to Sydney

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 Phnom Penh to Sydney 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 Phnom Penh to Sydney 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 Phnom Penh to Sydney 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.

 

Phnom Penh to Sydney Flights

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*Available to One Key members.