Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Perth to Phnom Penh from $300

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Phnom Penh departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Perth to Phnom Penh (PER-PNH)

Cheap return flights

Logo
05:10 - 19:45PER-PNH
15h 35m1 stop
Logo
20:20 - 19:50PNH-PER
22h 30m1 stop
$522
Find Deal
Fri, 5 Sep - Mon, 8 Sep
Logo
05:10 - 19:45PER-PNH
15h 35m1 stop
Logo
20:20 - 19:50PNH-PER
22h 30m1 stop
$528
Find Deal
Fri, 5 Sep - Mon, 8 Sep
Logo
05:10 - 08:55PER-PNH
28h 45m2 stops
Logo
18:20 - 04:30PNH-PER
9h 10m1 stop
$603
Find Deal
Fri, 5 Sep - Mon, 8 Sep
Singapore Airlines Logo
17:10 - 08:40PER-PNH
16h 30m1 stop
Singapore Airlines Logo
19:40 - 12:35PNH-PER
15h 55m1 stop
$606Singapore Airlines
Find Deal
Fri, 24 Oct - Thu, 20 Nov
Logo
05:10 - 19:45PER-PNH
15h 35m1 stop
Logo
09:45 - 19:50PNH-PER
33h 05m2 stops
$613
Find Deal
Fri, 5 Sep - Mon, 8 Sep
Logo
05:10 - 08:55PER-PNH
28h 45m2 stops
Logo
09:45 - 19:50PNH-PER
33h 05m2 stops
$639
Find Deal
Fri, 5 Sep - Mon, 8 Sep
Logo
05:10 - 16:30PER-PNH
12h 20m1 stop
Logo
13:50 - 04:30PNH-PER
13h 40m1 stop
$643
Find Deal
Sat, 6 Sep - Tue, 9 Sep
Malaysia Airlines Logo
02:10 - 10:00PER-PNH
8h 50m1 stop
Malaysia Airlines Logo
11:10 - 01:10PNH-PER
13h 00m1 stop
$713Malaysia Airlines
Find Deal
Thu, 4 Sep - Mon, 8 Sep
Malaysia Airlines Logo
02:10 - 17:25PER-PNH
16h 15m1 stop
Malaysia Airlines Logo
11:10 - 01:10PNH-PER
13h 00m1 stop
$728Malaysia Airlines
Find Deal
Thu, 4 Sep - Mon, 8 Sep
Singapore Airlines Logo
17:10 - 08:40PER-PNH
16h 30m1 stop
Singapore Airlines Logo
09:35 - 05:25PNH-PER
18h 50m1 stop
$894Singapore Airlines
Find Deal
Mon, 13 Oct - Mon, 27 Oct

Singapore Airlines flights from Perth to Phnom Penh

Our best Singapore Airlines deals on Perth to Phnom Penh flight tickets
Singapore Airlines
24 Oct
PER17:10Perth
16h 30m
1 stop
PNH08:40Phnom Penh Pochentong
20 Nov
PNH19:40Phnom Penh Pochentong
15h 55m
1 stop
PER12:35Perth
$606
Find similar
Singapore Airlines
13 Oct
PER17:10Perth
16h 30m
1 stop
PNH08:40Phnom Penh Pochentong
27 Oct
PNH09:35Phnom Penh Pochentong
18h 50m
1 stop
PER05:25Perth
$894
Find similar

Malaysia Airlines flights from Perth to Phnom Penh

Our best Malaysia Airlines deals on Perth to Phnom Penh flight tickets
Malaysia Airlines
4 Sept
PER02:10Perth
8h 50m
1 stop
PNH10:00Phnom Penh Pochentong
8 Sept
PNH11:10Phnom Penh Pochentong
13h 00m
1 stop
PER01:10Perth
$713
Find similar
Malaysia Airlines
4 Sept
PER02:10Perth
16h 15m
1 stop
PNH17:25Phnom Penh Pochentong
8 Sept
PNH11:10Phnom Penh Pochentong
13h 00m
1 stop
PER01:10Perth
$728
Find similar
Malaysia Airlines
24 Aug
PER02:10Perth
8h 50m
1 stop
PNH10:00Phnom Penh Pochentong
8 Sept
PNH11:10Phnom Penh Pochentong
13h 00m
1 stop
PER01:10Perth
$794
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 23 August 2025.
Use the filters below to find and compare flights from Perth to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 5/9

05:10-19:45

1 stop15h 35m

Phnom Penh Pochentong

Mon 8/9

20:20-19:50

1 stop22h 30m

$522

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 5/9

05:10-19:45

1 stop15h 35m

Phnom Penh Pochentong

Mon 8/9

20:20-19:50

1 stop22h 30m

$528

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 5/9

05:10-08:55

2 stops28h 45m

Phnom Penh Pochentong

Mon 8/9

18:20-04:30

1 stop9h 10m

$603

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 24/10

17:10-08:40

1 stop16h 30m

Phnom Penh Pochentong

Thu 20/11

19:40-12:35

1 stop15h 55m

$606

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 5/9

05:10-19:45

1 stop15h 35m

Phnom Penh Pochentong

Mon 8/9

09:45-19:50

2 stops33h 05m

$613

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 5/9

05:10-08:55

2 stops28h 45m

Phnom Penh Pochentong

Mon 8/9

09:45-19:50

2 stops33h 05m

$639

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Sat 6/9

05:10-16:30

1 stop12h 20m

Phnom Penh Pochentong

Tue 9/9

13:50-04:30

1 stop13h 40m

$643

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Thu 4/9

02:10-10:00

1 stop8h 50m

Phnom Penh Pochentong

Mon 8/9

11:10-01:10

1 stop13h 00m

$713

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Thu 4/9

02:10-17:25

1 stop16h 15m

Phnom Penh Pochentong

Mon 8/9

11:10-01:10

1 stop13h 00m

$728

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Mon 13/10

17:10-08:40

1 stop16h 30m

Phnom Penh Pochentong

Mon 27/10

09:35-05:25

1 stop18h 50m

$894

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Phnom Penh from

How to get the cheapest flight ticket from Perth to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phnom Penh?

The month of May is, on average, the cheapest month to fly to Phnom Penh from Perth, with most prices found around $676. If you don’t want to visit Phnom Penh in May, then you should wait until February to fly from Perth, when ticket prices are also cheap, with an average price of $690.

What is the cheapest day to depart on your flight to Phnom Penh?

Our data shows that Monday is the least expensive day to fly to Phnom Penh. Tickets to fly out on this day can be as low as $779. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $921. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phnom Penh.

What is the cheapest time of day to depart on your flight to Phnom Penh?

Our most recent data shows that the best time of day to fly to Phnom Penh is in the evening. Flights from Perth to Phnom Penh during this time can be as low as $822. Flights to Phnom Penh are more costly at midday, with an average ticket price of $894. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Phnom Penh?

You are more likely to see cheaper flights to Phnom Penh from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $854 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from Perth for as low as $691 on momondo.

How have Perth to Phnom Penh flight prices changed over time?

As of August 2025, prices for Perth to Phnom Penh flights are approximately 43% cheaper when compared to flights at the same time last year.

When to book flights from Perth to Phnom Penh

Are you open to changing your travel dates? Check out the ideal times to fly from Perth to Phnom Penh according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Perth to Phnom Penh (PER to PNH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Perth to Phnom Penh

Direct flights

None
There are no direct flights from Perth to Phnom Penh. There are no popular flight routes from Perth to Phnom Penh.
Search flight deals

  • How far is Perth to Phnom Penh Pochentong by plane?

    Perth and Phnom Penh Pochentong are 4973.5 km apart from one another. Flights usually cover this in 8h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Perth Airport to Phnom Penh Pochentong Airport?

    Prices for flights from Perth Airport to Phnom Penh Pochentong Airport are updated daily.

  • How many operators does momondo search for flights from Perth Airport to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from Perth Airport to Phnom Penh Pochentong Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Perth Airport to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The travel and health documents required for your trip to Phnom Penh Pochentong Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Phnom Penh Pochentong Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Perth to Phnom Penh?

Best airlines flying from Perth to Phnom Penh

Compare and see reviews for airlines that fly from Perth to Phnom Penh with momondo
Airline
Rating
Free cancellation
Price
Malaysia AirlinesPriceFrom $550Free cancellationRating
7.4
274 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom $618Free cancellationRating
8.1
1,352 reviews
Search Singapore Airlines flights
Virgin AustraliaPriceFrom $941Free cancellationRating
7.5
415 reviews
Search Virgin Australia flights

Why use momondo?

Why should I use momondo to find a flight deal from Perth to Phnom Penh?

It is quick and easy to find Perth to Phnom Penh flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phnom Penh that suits you.

Can I find flights from Perth to Phnom Penh with flexible booking policies on momondo?

All flight searches from Perth to Phnom Penh on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Perth to Phnom Penh?

Once all potential Perth to Phnom Penh flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Perth to Phnom Penh right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Phnom Penh, momondo offers a useful price alert feature which will track prices for flights to Phnom Penh from Perth and alert you when they change.

An easier way to manage your Phnom Penh trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 28/8
Thu 4/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

Airports servicing Cambodia

Siem Reap Airport