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Cheap flights from Phnom Penh to Perth from $307

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — PER
5 Aug — 12 Aug1
1 adult

Cheap flight deals from Phnom Penh to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Perth (PER). 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 31 July 2025.

Round-trip from

$523

One-way from

$307

Popular in

April

Cheapest in

June

Average price

$1,267
22/11-21/1
  • 22/11-21/1
  • 2 total stops
  • 24h 45m total
  • Phnom Penh to Perth
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31/8
  • 31/8
  • 1 total stop
  • 17h 45m total
  • Phnom Penh to Perth
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($264 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($55 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Phnom Penh to Perth

Cheapest flights from Phnom Penh to Perth
Explore the most affordable flight options available from Phnom Penh to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Sat 22/1107:10PNH - PER
1 stop11h 40mMultiple Airlines
Wed 21/104:40PER - PNH
1 stop13h 05mMultiple Airlines
Deal found 29/7$523
Fri 24/1020:45PNH - PER
1 stop24h 45mVietnam Airlines
Thu 30/1000:50PER - PNH
1 stop16h 50mVietnam Airlines
Deal found 29/7$1,140

Cheapflights Fare Finder

 
Customise your flight search to find flights from Phnom Penh to Perth 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 31 July 2025.
Use the filters below to find and compare flights from Phnom Penh to Perth that are best for you.

Fly from

Phnom Penh

Fly to

Perth

Route

Depart

Return

Price

Phnom PenhPerth

PNH - PER

PNHPER

Phnom Penh Pochentong

Sat 22/11

07:10-19:50

1 stop11h 40m

Perth

Wed 21/1

04:40-16:45

1 stop13h 05m

$523

Phnom PenhPerth

PNH - PER

PNHPER

Phnom Penh Pochentong

Fri 24/10

20:45-22:30

1 stop24h 45m

Perth

Thu 30/10

00:50-16:40

1 stop16h 50m

$1,140

Phnom PenhPerth

PNH - PER

PNHPER

Phnom Penh Pochentong

Sun 31/8

11:05-05:50

1 stop17h 45m

$307

Phnom PenhPerth

PNH - PER

PNHPER

Phnom Penh Pochentong

Sat 30/8

01:15-07:25

1 stop29h 10m

$644

Phnom PenhPerth

PNH - PER

PNHPER

Phnom Penh Pochentong

Sun 31/8

17:45-22:30

3 stops27h 45m

$702

Phnom PenhPerth

PNH - PER

PNHPER

Phnom Penh Pochentong

Fri 8/8

11:05-09:15

2 stops21h 10m

$798

Phnom PenhPerth

PNH - PER

PNHPER

Phnom Penh Pochentong

Thu 7/8

00:10-21:05

2 stops43h 55m

$1,415

Phnom PenhPerth

PNH - PER

PNHPER

Phnom Penh Pochentong

Sun 21/12

00:25-16:50

2 stops63h 25m

$2,143

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Best time to book a flight from Phnom Penh to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Phnom Penh with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Perth

What is the cheapest time of day to fly from PNH to PER?

Find hourly flight availability from Phnom Penh to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2025.

When flying from Phnom Penh to Perth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Phnom Penh to Perth?

What’s the top stopover airport for flights from Phnom Penh to Perth?

Share of one-stop return flights from Phnom Penh to Perth chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Singapore (SIN) – chosen by Cheapflights users on 88% of one-stop itineraries from Phnom Penh to Perth on Cheapflights.

What’s the cheapest stopover airport for flights from Phnom Penh to Perth?

Average return fare for one-stop flights from Phnom Penh to Perth, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Kuala Lumpur (KUL) is the most affordable one-stop option, with an average return flight price of $642.

What’s the fastest stopover option from Phnom Penh to Perth?

Shortest average travel time for one-stop one-way flights from Phnom Penh to Perth, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 9h 33m.

Which airport typically offers the quickest stopover for flights from Phnom Penh to Perth?

Average stopover duration for one-stop one-way flights from Phnom Penh to Perth, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 2h 48m.

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. 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 Perth. Reviews last updated 31 July 2025.
Get a feel of what it's like to fly with Vietnam Airlines, Air China, andPhilippine Airlines from Phnom Penh to Perth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.5
Good
196 reviews
Check prices

Boarding

7.5

Crew

8.1

Food

6.8

Overall

7.5

Comfort

7.5

Entertainment

6.2

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
Vietnam Airlines
7.5
Good
196 reviews
Vietnam Airlines
7.5
Good
196 reviews
Check prices

Boarding

7.5

Crew

8.1

Food

6.8

Overall

7.5

Comfort

7.5

Entertainment

6.2

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
Air China
7.3
Good
93 reviews
Vietnam Airlines
7.5
Good
196 reviews
Check prices

Boarding

7.5

Crew

8.1

Food

6.8

Overall

7.5

Comfort

7.5

Entertainment

6.2

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
Philippine Airlines
7.2
Good
894 reviews
Vietnam Airlines
7.5
Good
196 reviews
Check prices

Boarding

7.5

Crew

8.1

Food

6.8

Overall

7.5

Comfort

7.5

Entertainment

6.2

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
China Eastern
7.2
Good
158 reviews
Vietnam Airlines
7.5
Good
196 reviews
Check prices

Boarding

7.5

Crew

8.1

Food

6.8

Overall

7.5

Comfort

7.5

Entertainment

6.2

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Phnom Penh to Perth round-trip?

    Cheapflights users have booked flights from Phnom Penh to Perth round-trip from $1,140. Vietnam Airlines is 11% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Phnom Penh to Perth one-way?

    For one-way options, check prices for Philippine Airlines. According to our data, you can fly for as low as $644. Users have also found prices from $702 and $798 on Vietnam Airlines and Hahn Air Systems, respectively.

  • Can I find deals for flights from Phnom Penh to Perth that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Perth.

  • Can I find deals for business class flights from Phnom Penh to Perth?

    Yes. Cheapflights offers flight deals from Phnom Penh to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phnom Penh to Perth?

    Currently, May is the cheapest month in which you can book a flight from Phnom Penh to Perth (average of $286). Flying from Phnom Penh to Perth in December is currently the most expensive (average of $409). 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.

See more FAQs

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Scarborough
Fremantle
Rottnest Island

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Top airline flying from Phnom Penh to Perth

Discover the top airline that operate flights from Phnom Penh to Perth. 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,360Average$1,371FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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 Phnom Penh to Perth?

Deals for Phnom Penh to Perth 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 Phnom Penh to Perth?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Phnom Penh to Perth.

Can Cheapflights find flights from Phnom Penh to Perth with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Phnom Penh to Perth flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Phnom Penh to Perth become cheaper?

Yes, Cheapflights offers price alerts on Phnom Penh to Perth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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