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Cheap flights from Australia to Phnom Penh from $247

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.
SYD — PNH
20 Aug — 27 Aug1
1 adult

Cheap flight deals from Australia to Phnom Penh

Keep the following information in mind while searching for Australia to Phnom Penh flight deals. Data was last updated 15 August 2025.

Round-trip from

$514

One-way from

$247

Popular in

December

Cheapest in

February

Average price

$925
1/9-7/9
  • 1/9-7/9
  • 2 total stops
  • 29h 35m total
  • Australia to Phnom Penh
Search Deals
15/10
  • 15/10
  • 1 total stop
  • 21h 00m total
  • Australia to Phnom Penh
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($422 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($95 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Australia to Phnom Penh

Cheapest flights from Australia to Phnom Penh
Explore the most affordable flight options available from Australia to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Mon 1/905:10PER - PNH
1 stop13h 15mMultiple Airlines
Sun 7/911:10PNH - PER
1 stop16h 20mMultiple Airlines
Deal found 14/8$514
Sun 31/802:10PER - PNH
1 stop16h 15mMalaysia Airlines
Sun 7/911:10PNH - PER
1 stop13h 00mMalaysia Airlines
Deal found 14/8$587
Wed 20/820:30PER - PNH
1 stop13h 15mMultiple Airlines
Sun 24/809:50PNH - PER
1 stop17h 40mMultiple Airlines
Deal found 13/8$593
Tue 28/1004:40PER - PNH
1 stop13h 05mMultiple Airlines
Tue 4/1121:55PNH - PER
2 stops20h 55mMultiple Airlines
Deal found 13/8$635
Fri 19/918:25PER - PNH
2 stops19h 20mMultiple Airlines
Tue 23/907:30PNH - PER
1 stop16h 00mMultiple Airlines
Deal found 13/8$701
Tue 19/802:10PER - PNH
1 stop8h 50mMalaysia Airlines
Sun 24/818:20PNH - PER
1 stop29h 50mMalaysia Airlines
Deal found 13/8$715
Wed 3/910:20MEL - PNH
1 stop27h 20mChina Southern
Sat 13/915:35PNH - MEL
1 stop24h 45mChina Southern
Deal found 13/8$724
Tue 7/1005:10PER - PNH
1 stop15h 35mMultiple Airlines
Wed 15/1007:30PNH - PER
1 stop11h 20mMultiple Airlines
Deal found 13/8$735
Tue 21/1011:15SYD - PNH
1 stop27h 25mChina Southern
Tue 4/1115:50PNH - SYD
1 stop24h 30mChina Southern
Deal found 14/8$753
Wed 5/1123:30MEL - PNH
1 stop28h 00mChina Southern
Wed 26/1111:55PNH - MEL
1 stop29h 35mChina Southern
Deal found 14/8$761
Wed 15/1011:20MEL - PNH
1 stop27h 20mChina Southern
Wed 29/1008:00PNH - MEL
1 stop21h 45mChina Southern
Deal found 14/8$762
Thu 28/800:30MEL - PNH
1 stop15h 25mMultiple Airlines
Thu 4/907:00PNH - MEL
1 stop12h 25mMultiple Airlines
Deal found 14/8$765

Cheapflights Fare Finder

 
Customise your flight search to find flights from 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, Cheapflights users made 647,157 searches. Data last updated 15 August 2025.
Use the filters below to find and compare flights from Australia to Phnom Penh that are best for you.

Fly from

Australia

Fly to

Phnom Penh

Route

Depart

Return

Price

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Mon 1/9

05:10-17:25

1 stop13h 15m

Phnom Penh Pochentong

Sun 7/9

11:10-04:30

1 stop16h 20m

$514

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Sun 31/8

02:10-17:25

1 stop16h 15m

Phnom Penh Pochentong

Sun 7/9

11:10-01:10

1 stop13h 00m

$587

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Tue 28/10

04:40-16:45

1 stop13h 05m

Phnom Penh Pochentong

Tue 4/11

07:10-04:00

1 stop19h 50m

$616

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Fri 19/9

18:25-12:45

2 stops19h 20m

Phnom Penh Pochentong

Tue 23/9

07:30-00:30

1 stop16h 00m

$701

MelbournePhnom Penh

MEL - PNH

MELPNH

Melbourne

Wed 3/9

10:20-10:40

1 stop27h 20m

Phnom Penh Pochentong

Sat 13/9

15:35-19:20

1 stop24h 45m

$724

PerthPhnom Penh

PER - PNH

PERPNH

Perth

Tue 7/10

05:10-19:45

1 stop15h 35m

Phnom Penh Pochentong

Wed 15/10

07:30-19:50

1 stop11h 20m

$735

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Tue 21/10

11:15-10:40

1 stop27h 25m

Phnom Penh Pochentong

Tue 4/11

15:50-20:20

1 stop24h 30m

$753

MelbournePhnom Penh

MEL - PNH

MELPNH

Melbourne

Wed 5/11

23:30-23:30

1 stop28h 00m

Phnom Penh Pochentong

Wed 26/11

11:55-21:30

1 stop29h 35m

$761

MelbournePhnom Penh

MEL - PNH

MELPNH

Melbourne

Wed 15/10

11:20-10:40

1 stop27h 20m

Phnom Penh Pochentong

Wed 29/10

08:00-09:45

1 stop21h 45m

$762

MelbournePhnom Penh

MEL - PNH

MELPNH

Melbourne

Thu 28/8

00:30-12:55

1 stop15h 25m

Phnom Penh Pochentong

Thu 4/9

07:00-22:25

1 stop12h 25m

$765

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 60 results
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Best time to book a flight from Australia to Phnom Penh

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

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

Currently, February is the cheapest month in which you can book a flight from Australia to Phnom Penh (average of $532). Flying from Australia to Phnom Penh in December is currently the most expensive (average of $1,037). 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 AU to PNH?

Find hourly flight availability from Australia 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 15 August 2025.

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

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 15 August 2025.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific, andChina Southern from Australia to Phnom Penh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional
Singapore Airlines
8.1
Very Good
1,346 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional
Cathay Pacific
7.6
Good
968 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional
China Southern
7.6
Good
106 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional
Vietnam Airlines
7.5
Good
197 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional
Malaysia Airlines
7.4
Good
273 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional

Related info for your journey

Find useful and relevant information for your journey from Australia 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 airport do you fly into for flights to Phnom Penh from Australia?

    If you book a flight to Phnom Penh from Australia, you will be flying to Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 8.0 km from the centre of Phnom Penh.

  • What are the most popular routes from Australia to Phnom Penh?

    While some choose either Sydney Kingsford Smith - Phnom Penh Pochentong or Brisbane - Phnom Penh Pochentong, Melbourne - Phnom Penh Pochentong is the most popular route from Australia to Phnom Penh.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Australia to Phnom Penh (average of $532). Flying from Australia to Phnom Penh in December is currently the most expensive (average of $1,037). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Australia to Phnom Penh

Discover the top 10 airlines that operate flights from Australia 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 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest$548Average$1,014FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Philippine AirlinesCheapest$590Average$1,100FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
XiamenAirCheapest$594Average$764FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
Singapore AirlinesCheapest$612Average$1,101FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China SouthernCheapest$628Average$1,046FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Vietnam AirlinesCheapest$672Average$813FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Cathay PacificCheapest$716Average$1,163FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
China EasternCheapest$767Average$1,125FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
EmiratesCheapest$838Average$1,196FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Virgin AustraliaCheapest$842Average$1,205FlexibilityNo cancel feeOn-time80%
Search Virgin Australia 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 Australia to Phnom Penh?

Cheapflights makes it easy to find Australia to Phnom Penh flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Australia to Phnom Penh by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Australia to Phnom Penh with no change fees.

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

Yes! Start tracking prices for Australia to Phnom Penh flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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