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Cheap flights from Perth to Phnom Penh from $379

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
PER — PNH
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Perth to Phnom Penh Pochentong are usually found in May or February, booked 5 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Perth to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Phnom Penh (PNH). 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 29 August 2025.

Round-trip from

$573

One-way from

$379

Popular in

December

Cheapest in

May

Average price

$733
4/9-8/9
  • 4/9-8/9
  • 2 total stops
  • 35h 35m total
  • Perth to Phnom Penh
Search Deals
15/10
  • 15/10
  • 2 total stops
  • 19h 00m total
  • Perth to Phnom Penh
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($354 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($68 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Perth to Phnom Penh

Cheapest flights from Perth to Phnom Penh
Explore the most affordable flight options available from Perth to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Tue 2/920:30PER - PNH
1 stop13h 15mMultiple Airlines
Mon 8/909:50PNH - PER
1 stop19h 00mMultiple Airlines
Deal found 26/8$604
Sun 31/802:10PER - PNH
1 stop16h 15mMalaysia Airlines
Sun 7/911:10PNH - PER
1 stop13h 00mMalaysia Airlines
Deal found 29/8$622
Mon 1/914:50PER - PNH
1 stop20h 05mMultiple Airlines
Sun 7/907:30PNH - PER
1 stop11h 20mMultiple Airlines
Deal found 29/8$647
Thu 11/918:25PER - PNH
2 stops18h 00mMultiple Airlines
Sun 14/908:15PNH - PER
2 stops31h 55mMultiple Airlines
Deal found 27/8$796
Mon 1/900:10PER - PNH
1 stop18h 10mCathay Pacific
Mon 8/918:30PNH - PER
1 stop27h 10mCathay Pacific
Deal found 26/8$832
Wed 3/920:30PER - PNH
1 stop13h 15mMultiple Airlines
Tue 30/909:35PNH - PER
2 stops17h 55mMultiple Airlines
Deal found 28/8$834
Mon 8/905:10PER - PNH
1 stop15h 35mMultiple Airlines
Sun 28/909:35PNH - PER
2 stops19h 15mMultiple Airlines
Deal found 28/8$877

Cheapflights Fare Finder

 
Customise your flight search to find flights from Perth to Phnom Penh 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 29 August 2025.
Use the filters below to find and compare flights from Perth to Phnom Penh that are best for you.

Fly from

Perth

Fly to

Phnom Penh

Route

Depart

Return

Price

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Thu 4/9

05:10-19:45

1 stop15h 35m

Phnom Penh Pochentong

Mon 8/9

07:30-04:30

1 stop20h 00m

$573

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Tue 2/9

20:30-08:45

1 stop13h 15m

Phnom Penh Pochentong

Mon 8/9

09:50-05:50

1 stop19h 00m

$604

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Wed 3/9

20:30-08:45

1 stop13h 15m

Phnom Penh Pochentong

Sun 28/9

13:55-08:55

2 stops18h 00m

$684

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Wed 15/10

14:50-11:25

1 stop21h 35m

Phnom Penh Pochentong

Mon 20/10

08:15-05:50

1 stop20h 35m

$737

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Wed 3/9

20:30-08:45

1 stop13h 15m

Phnom Penh Pochentong

Tue 30/9

10:55-17:10

3 stops29h 15m

$776

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Wed 15/10

05:10-23:10

2 stops19h 00m

$379

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Sun 12/10

20:30-23:10

2 stops27h 40m

$469

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Sat 15/11

07:35-18:30

1 stop11h 55m

$513

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Wed 12/11

04:40-08:35

3 stops28h 55m

$595

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Wed 19/11

04:40-08:35

3 stops28h 55m

$627

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Best time to book a flight from Perth to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Perth 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 Perth to Phnom Penh

How far ahead should I book a flight from Perth to Phnom Penh?

Use this chart to determine the optimal time to book a return flight from Perth to Phnom Penh. Price data was last updated on 22 August 2025.

The best time to book flights from Perth to Phnom Penh is 5 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Perth to Phnom Penh (average of $534). Flying from Perth to Phnom Penh in December is currently the most expensive (average of $1,031). 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.

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

Find hourly flight availability from Perth to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

It’s optimal to fly from Perth to Phnom Penh in the evening. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight at midday.

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

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated 29 August 2025.
Read reviews from past customers who have flown with Singapore Airlines, Virgin Australia, andMalaysia Airlines from Perth to Phnom Penh. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,352 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Virgin Australia
7.5
Good
415 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Malaysia Airlines
7.3
Good
278 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Related info for your journey

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

  • What are the cheapest airlines flying from Perth to Phnom Penh round-trip?

    According to our current data, Malaysia Airlines ($548), Singapore Airlines ($616), and Virgin Australia ($937) offers the cheapest pricing from Perth to Phnom Penh. Malaysia Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • Where are the most common stopover locations when flying from Perth to Phnom Penh?

    Flights departing from Perth and landing in Phnom Penh stopover in Singapore most frequently.

  • What are some popular things to do or see while on a stopover in Singapore?

    Most Singapore visitors opt to spend their time experiencing Sentosa, Merlion, and Sim Lim Square. Sentosa, Merlion, and Sim Lim Square can be accessed by travelling approximately 21.6 km, 16.9 km, and 16.3 km, respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $140 to make sightseeing during their stopover a little easier.

  • Where are the least popular stopover locations for Perth to Phnom Penh flights?

    Perth to Phnom Penh flights have a stopover in Kuala Lumpur least often.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Perth to Phnom Penh 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 Perth to Phnom Penh?

    Currently, February is the cheapest month in which you can book a flight from Perth to Phnom Penh (average of $534). Flying from Perth to Phnom Penh in December is currently the most expensive (average of $1,031). 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

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Fly from Perth to Phnom Penh on these airlines

Choose from the following airlines for your flight from Perth to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2025.
Singapore Airlines flights from Perth to Phnom Penh Pochentong
Malaysia Airlines flights from Perth to Phnom Penh Pochentong
Virgin Australia flights from Perth to Phnom Penh Pochentong

Top 3 airlines flying from Perth to Phnom Penh

Discover the top 3 airlines that operate flights from Perth to Phnom Penh. 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest$548Average$689FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest$616Average$790FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Virgin AustraliaCheapest$937Average$1,067FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Perth to Phnom Penh?

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Why should you use Cheapflights to find cheap flight tickets from Perth to Phnom Penh?

Cheapflights helps you find that perfect flight to Phnom Penh from Perth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Perth to Phnom Penh with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Perth to Phnom Penh on Cheapflights with our Price Alert feature and get notified when better prices are available.

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