£185 Cheap Flights from Perth (PER) to Phnom Penh (PNH)

View £185 flight on Wed, 15 Oct 2025Opens in a new window

Popular airlines from Perth Airport (PER) to Phnom Penh Intl. Airport (PNH)

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Cheap Flights from Perth (PER) to Phnom Penh (PNH)

Prices were available within the past 7 days and start at £185 for one-way flights and £385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar
Tue, 11 Nov - Tue, 18 Nov
PER
Perth
PNH
Phnom Penh
£385 Return, found 3 days ago
£385
Return
found 3 days ago
Select Jetstar flight, departing Tue, 11 Nov from Perth to Phnom Penh, returning Tue, 18 Nov, priced at £385 found 3 days ago
Singapore Airlines
Mon, 4 May - Sun, 10 May
PER
Perth
PNH
Phnom Penh
£385 Return, found 3 days ago
£385
Return
found 3 days ago
Select Singapore Airlines flight, departing Mon, 4 May from Perth to Phnom Penh, returning Sun, 10 May, priced at £385 found 3 days ago
Singapore Airlines
Mon, 4 May - Sun, 10 May
PER
Perth
PNH
Phnom Penh
£390 Return, found 3 days ago
£390
Return
found 3 days ago
Select Singapore Airlines flight, departing Mon, 4 May from Perth to Phnom Penh, returning Sun, 10 May, priced at £390 found 3 days ago
Singapore Airlines
Wed, 10 Sep - Wed, 17 Sep
PER
Perth
PNH
Phnom Penh
£400 Return, found 4 days ago
£400
Return
found 4 days ago
Select Singapore Airlines flight, departing Wed, 10 Sep from Perth to Phnom Penh, returning Wed, 17 Sep, priced at £400 found 4 days ago
Singapore Airlines
Thu, 20 Nov - Mon, 1 Dec
PER
Perth
PNH
Phnom Penh
£400 Return, found 1 day ago
£400
Return
found 1 day ago
Select Singapore Airlines flight, departing Thu, 20 Nov from Perth to Phnom Penh, returning Mon, 1 Dec, priced at £400 found 1 day ago
Singapore Airlines
Tue, 11 Nov - Tue, 18 Nov
PER
Perth
PNH
Phnom Penh
£407 Return, found 3 days ago
£407
Return
found 3 days ago
Select Singapore Airlines flight, departing Tue, 11 Nov from Perth to Phnom Penh, returning Tue, 18 Nov, priced at £407 found 3 days ago
Singapore Airlines
Thu, 20 Nov - Mon, 1 Dec
PER
Perth
PNH
Phnom Penh
£409 Return, found 1 day ago
£409
Return
found 1 day ago
Select Singapore Airlines flight, departing Thu, 20 Nov from Perth to Phnom Penh, returning Mon, 1 Dec, priced at £409 found 1 day ago
Singapore Airlines
Thu, 20 Nov - Mon, 1 Dec
PER
Perth
PNH
Phnom Penh
£410 Return, found 1 day ago
£410
Return
found 1 day ago
Select Singapore Airlines flight, departing Thu, 20 Nov from Perth to Phnom Penh, returning Mon, 1 Dec, priced at £410 found 1 day ago
Vietnam Airlines
Fri, 12 Sep - Fri, 19 Sep
PER
Perth
PNH
Phnom Penh
£425 Return, found 2 days ago
£425
Return
found 2 days ago
Select Vietnam Airlines flight, departing Fri, 12 Sep from Perth to Phnom Penh, returning Fri, 19 Sep, priced at £425 found 2 days ago
China Southern Airlines
Tue, 9 Dec - Mon, 15 Dec
PER
Perth
PNH
Phnom Penh
£757 Return, found 9 hours ago
£757
Return
found 9 hours ago
Select China Southern Airlines flight, departing Tue, 9 Dec from Perth to Phnom Penh, returning Mon, 15 Dec, priced at £757 found 9 hours ago
Flight from Perth to Phnom Penh route information
Origin airport
Perth
Destination airport
Phnom Penh Intl.
Airlines serving
Singapore Airlines
Return price
£384
Distance
4948 km

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

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Perth 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 Perth 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 Perth (PER) to Phnom Penh Intl. (PNH)

The easiest way to view the best deals on flights from Perth 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 Perth to Phnom Penh Intl. start at just £385 and range up to £757.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Perth 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 Perth to Phnom Penh flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Perth 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 Perth Airport to PNH?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Perth Airport (PER) to Phnom Penh Intl. Airport (PNH) start from £385. Book ASAP to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PER to Phnom Penh Intl. Airport (PNH)?
Every air carrier has its own set of terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from Perth Airport (PER) 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 Perth Airport (PER) to Phnom Penh Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from PER to PNH?
The average flight time between Perth Airport and Phnom Penh Intl. Airport (PNH) is 8 hours and 6 minutes. If you're travelling with kids, it's always a good idea to pack some snacks or fruit in your carry-on baggage.
How far is the flight from PER to PNH?
The distance is around 5,000 kilometres, so pack your carry-on luggage with all the items you need to make your journey comfortable. Wondering what to take on board your Perth to Cambodia flight? Earplugs, a sleep mask and a travel pillow are among the essentials.
Which airlines fly direct from Perth Airport (PER) to PNH?
Flying nonstop between Perth Airport and Phnom Penh Intl. Airport (PNH) isn't possible at the moment. However, you'll still be able to find a flight to Cambodia with at least one stop.
Are Perth Airport to PNH flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute flight deals between Perth Airport (PER) and PNH are possible, it also makes sense to keep track of prices well before you fly. In fact, some airlines announce their prices up to a year prior to the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking back and be ready to grab your seat when the price is right.

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