£185 Cheap Flights from Sydney (SYD) to Phnom Penh (PNH)

View £185 flight on Thu, 16 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £185 for one-way flights and £396 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Thu, 6 Nov - Tue, 11 Nov
SYD
Sydney
PNH
Phnom Penh
£396 Return, found 2 days ago
£396
Return
found 2 days ago
Select China Southern Airlines flight, departing Thu, 6 Nov from Sydney to Phnom Penh, returning Tue, 11 Nov, priced at £396 found 2 days ago
China Southern Airlines
Thu, 30 Oct - Sun, 2 Nov
SYD
Sydney
PNH
Phnom Penh
£397 Return, found 5 days ago
£397
Return
found 5 days ago
Select China Southern Airlines flight, departing Thu, 30 Oct from Sydney to Phnom Penh, returning Sun, 2 Nov, priced at £397 found 5 days ago
Singapore Airlines
Thu, 16 Oct - Mon, 20 Oct
SYD
Sydney
PNH
Phnom Penh
£410 Return, found 2 days ago
£410
Return
found 2 days ago
Select Singapore Airlines flight, departing Thu, 16 Oct from Sydney to Phnom Penh, returning Mon, 20 Oct, priced at £410 found 2 days ago
Singapore Airlines
Thu, 16 Oct - Mon, 20 Oct
SYD
Sydney
PNH
Phnom Penh
£412 Return, found 2 days ago
£412
Return
found 2 days ago
Select Singapore Airlines flight, departing Thu, 16 Oct from Sydney to Phnom Penh, returning Mon, 20 Oct, priced at £412 found 2 days ago
Singapore Airlines
Sat, 1 Nov - Sat, 8 Nov
SYD
Sydney
PNH
Phnom Penh
£417 Return, found 6 days ago
£417
Return
found 6 days ago
Select Singapore Airlines flight, departing Sat, 1 Nov from Sydney to Phnom Penh, returning Sat, 8 Nov, priced at £417 found 6 days ago
Singapore Airlines
Thu, 16 Oct - Mon, 20 Oct
SYD
Sydney
PNH
Phnom Penh
£419 Return, found 2 days ago
£419
Return
found 2 days ago
Select Singapore Airlines flight, departing Thu, 16 Oct from Sydney to Phnom Penh, returning Mon, 20 Oct, priced at £419 found 2 days ago
China Southern Airlines
Sun, 1 Feb - Tue, 3 Mar
SYD
Sydney
PNH
Phnom Penh
£424 Return, found 2 days ago
£424
Return
found 2 days ago
Select China Southern Airlines flight, departing Sun, 1 Feb from Sydney to Phnom Penh, returning Tue, 3 Mar, priced at £424 found 2 days ago
Vietnam Airlines
Wed, 27 Aug - Tue, 9 Sep
SYD
Sydney
PNH
Phnom Penh
£448 Return, found 5 days ago
£448
Return
found 5 days ago
Select Vietnam Airlines flight, departing Wed, 27 Aug from Sydney to Phnom Penh, returning Tue, 9 Sep, priced at £448 found 5 days ago
Xiamen Airlines
Fri, 5 Sep - Fri, 12 Sep
SYD
Sydney
PNH
Phnom Penh
£492 Return, found 21 hours ago
£492
Return
found 21 hours ago
Select Xiamen Airlines flight, departing Fri, 5 Sep from Sydney to Phnom Penh, returning Fri, 12 Sep, priced at £492 found 21 hours ago
Air China
Tue, 23 Dec - Tue, 30 Dec
SYD
Sydney
PNH
Phnom Penh
£1,528 Return, found 5 days ago
£1,528
Return
found 5 days ago
Select Air China flight, departing Tue, 23 Dec from Sydney to Phnom Penh, returning Tue, 30 Dec, priced at £1,528 found 5 days ago
Flight from Sydney to Phnom Penh route information
Origin airport
Kingsford Smith Intl.
Destination airport
Phnom Penh Intl.
Airlines serving
China Southern Airlines, Singapore Airlines, Xiamen Airlines
Return price
£396
Distance
6995 km

Compare flights from Sydney to Phnom Penh easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sydney to Phnom Penh. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Phnom Penh Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Kingsford Smith Intl. to Phnom Penh Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Kingsford Smith Intl. (SYD) to Phnom Penh Intl. (PNH)

The easiest way to view the best deals on flights from Sydney to Phnom Penh today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Kingsford Smith Intl. to Phnom Penh Intl. start at just £396 and range up to £1,528.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Sydney and Phnom Penh
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Sydney to Phnom Penh flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Kingsford Smith Intl. to Phnom Penh Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Mascot Airport to Phnom Penh Intl. Airport (PNH)?
Start packing your suitcase, because round-trip journeys between SYD and PNH start from £396. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SYD to Phnom Penh Intl. Airport (PNH)?
This varies from airline to airline, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel your flight online.
How do I find cheap flights from Sydney Airport to Phnom Penh Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Kingsford Smith Intl. Airport (SYD) to PNH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SYD to PNH?
You'll have 7,000 kilometres to cover on the long-haul Sydney to Cambodia route. Dress in comfy clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from SYD to PNH?
If you want to travel straight from Kingsford Smith Intl. Airport (SYD) to Phnom Penh Intl. Airport (PNH), you'll have to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are Kingsford Smith Intl. Airport (SYD) to PNH flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally nab a bargain, with some super cheap airfares from Mascot Airport to Phnom Penh Intl. Airport (PNH) showing up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.

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