Cheap flights from Western Australia to Phnom Penh from $258

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Western Australia to Phnom Penh departing on 28/8. 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

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Find the cheapest flights from Western Australia to Phnom Penh

Cheap return flights

 Logo
17:10 - 13:10PER-PNH
21h 00m1 stop
 Logo
09:50 - 04:00PNH-PER
17h 10m1 stop
Fri, 17 Oct - Sat, 1 Nov
Singapore Airlines Logo
17:10 - 17:40PER-PNH
25h 30m1 stop
Singapore Airlines Logo
14:40 - 05:25PNH-PER
13h 45m1 stop
$837Singapore Airlines
Find Deal
Wed, 22 Oct - Mon, 3 Nov
 Logo
05:35 - 13:45PER-PNH
9h 10m1 stop
 Logo
14:40 - 04:20PNH-PER
12h 40m1 stop
Mon, 24 Nov - Mon, 1 Dec
Singapore Airlines Logo
06:25 - 17:40PER-PNH
12h 15m1 stop
Singapore Airlines Logo
09:35 - 12:35PNH-PER
26h 00m1 stop
$897Singapore Airlines
Find Deal
Fri, 17 Oct - Sat, 1 Nov
 Logo
05:35 - 13:45PER-PNH
9h 10m1 stop
 Logo
17:15 - 15:55PNH-PER
21h 40m2 stops
Mon, 24 Nov - Mon, 1 Dec
 Logo
21:55 - 08:40PER-PNH
11h 45m1 stop
 Logo
14:40 - 04:20PNH-PER
12h 40m1 stop
Fri, 17 Oct - Fri, 31 Oct
 Logo
21:55 - 13:10PER-PNH
16h 15m1 stop
 Logo
14:40 - 04:20PNH-PER
12h 40m1 stop
Sat, 18 Oct - Fri, 31 Oct
Singapore Airlines Logo
01:10 - 08:40PER-PNH
8h 30m1 stop
Singapore Airlines Logo
19:40 - 12:35PNH-PER
15h 55m1 stop
$954Singapore Airlines
Find Deal
Tue, 21 Oct - Mon, 3 Nov
Virgin Australia Logo
13:50 - 13:45PER-PNH
24h 55m1 stop
Virgin Australia Logo
09:35 - 12:35PNH-PER
26h 00m1 stop
$1,327Virgin Australia
Find Deal
Fri, 9 Jan - Fri, 23 Jan
Virgin Australia Logo
01:10 - 18:30PER-PNH
18h 20m1 stop
Virgin Australia Logo
09:35 - 12:35PNH-PER
26h 00m1 stop
$1,453Virgin Australia
Find Deal
Thu, 8 Jan - Fri, 23 Jan

Virgin Australia flights from Western Australia to Phnom Penh

Our best Virgin Australia deals on Western Australia to Phnom Penh flight tickets
Virgin Australia
9 Jan
PER13:50Perth
24h 55m
1 stop
PNH13:45Phnom Penh Pochentong
23 Jan
PNH09:35Phnom Penh Pochentong
26h 00m
1 stop
PER12:35Perth
Virgin Australia
8 Jan
PER01:10Perth
18h 20m
1 stop
PNH18:30Phnom Penh Pochentong
23 Jan
PNH09:35Phnom Penh Pochentong
26h 00m
1 stop
PER12:35Perth

Singapore Airlines flights from Western Australia to Phnom Penh

Our best Singapore Airlines deals on Western Australia to Phnom Penh flight tickets
Singapore Airlines
22 Oct
PER17:10Perth
25h 30m
1 stop
PNH17:40Phnom Penh Pochentong
3 Nov
PNH14:40Phnom Penh Pochentong
13h 45m
1 stop
PER05:25Perth
Singapore Airlines
17 Oct
PER06:25Perth
12h 15m
1 stop
PNH17:40Phnom Penh Pochentong
1 Nov
PNH09:35Phnom Penh Pochentong
26h 00m
1 stop
PER12:35Perth
Singapore Airlines
21 Oct
PER01:10Perth
8h 30m
1 stop
PNH08:40Phnom Penh Pochentong
3 Nov
PNH19:40Phnom Penh Pochentong
15h 55m
1 stop
PER12:35Perth

momondo Fare Finder

 
Customise your flight search to find flights from Western Australia 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 18 August 2025.
Use the filters below to find and compare flights from Western Australia to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 17/10

17:10-13:10

1 stop21h 00m

Phnom Penh Pochentong

Sat 1/11

09:50-04:00

1 stop17h 10m

$800

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Wed 22/10

17:10-17:40

1 stop25h 30m

Phnom Penh Pochentong

Mon 3/11

14:40-05:25

1 stop13h 45m

$837

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Mon 24/11

05:35-13:45

1 stop9h 10m

Phnom Penh Pochentong

Mon 1/12

14:40-04:20

1 stop12h 40m

$866

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 17/10

06:25-17:40

1 stop12h 15m

Phnom Penh Pochentong

Sat 1/11

09:35-12:35

1 stop26h 00m

$897

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Mon 24/11

05:35-13:45

1 stop9h 10m

Phnom Penh Pochentong

Mon 1/12

17:15-15:55

2 stops21h 40m

$941

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 17/10

21:55-08:40

1 stop11h 45m

Phnom Penh Pochentong

Fri 31/10

14:40-04:20

1 stop12h 40m

$944

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Sat 18/10

21:55-13:10

1 stop16h 15m

Phnom Penh Pochentong

Fri 31/10

14:40-04:20

1 stop12h 40m

$948

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Tue 21/10

01:10-08:40

1 stop8h 30m

Phnom Penh Pochentong

Mon 3/11

19:40-12:35

1 stop15h 55m

$954

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 9/1

13:50-13:45

1 stop24h 55m

Phnom Penh Pochentong

Fri 23/1

09:35-12:35

1 stop26h 00m

$1,327

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Thu 8/1

01:10-18:30

1 stop18h 20m

Phnom Penh Pochentong

Fri 23/1

09:35-12:35

1 stop26h 00m

$1,453

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phnom Penh from

How to get the cheapest flight ticket from Western Australia 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 Western Australia, with most prices found around $674. If you don’t want to visit Phnom Penh in May, then you should wait until February to fly from Western Australia, when ticket prices are also cheap, with an average price of $682.

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 $777. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $919. 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 Western Australia to Phnom Penh during this time can be as low as $820. Flights to Phnom Penh are more costly at midday, with an average ticket price of $892. 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 Western Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $853 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 Western Australia for as low as $690 on momondo.

Cheap Western Australia to Phnom Penh flight deals and tips

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

Best price found

$258

Fastest flight time

8h 25m

Direct flights

None

Airports in Phnom Penh

1 airport
The best one-way flight to Phnom Penh from Western Australia in the past 72 hours is $258. The best return flight deal from Western Australia to Phnom Penh found on momondo in the last 72 hours is $800.
The fastest flight from Western Australia to Phnom Penh takes 8h 25m
There are no direct flights from Western Australia to Phnom Penh. Popular non-direct route for this connection is Perth Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)
  • When did momondo last update prices for flights from Western Australia to Phnom Penh Pochentong Airport?

    Prices for flights from Western Australia to Phnom Penh Pochentong Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Western Australia to Phnom Penh Pochentong Airport.

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

    The required travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Phnom Penh Pochentong Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Western Australia to Phnom Penh

Compare and see reviews for airlines that fly from Western Australia to Phnom Penh with momondo
Airline
Rating
Free cancellation
Price
Malaysia AirlinesPriceFrom $549Free cancellationRating
7.4
274 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom $616Free cancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights
Virgin AustraliaPriceFrom $939Free cancellationRating
7.5
412 reviews
Search Virgin Australia flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Western Australia to Phnom Penh. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Western Australia to Phnom Penh flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Western Australia to Phnom Penh.

I’m not ready to book a flight from Western Australia 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 Western Australia and alert you when they change.

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1 adult
Sat 23/8
Sat 30/8

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