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Cheap flights from Australia to Phnom Penh

SYD — PNH
9 Nov — 16 Nov1
1 adult
1 adult, Economy

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 10 October 2025.

Popular in

December

Cheapest in

July

Average price

$917
Highest demand for flights based on searches. 20% potential increase in price ($392 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($87 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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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, May is the cheapest month in which you can book a flight from Australia to Phnom Penh (average of $534). Flying from Australia to Phnom Penh in December is currently the most expensive (average of $836). 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 10 October 2025.

When flying from Australia to Phnom Penh, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 8% versus a flight in the afternoon.

What is the cheapest day to fly from Australia to Phnom Penh?

Use this chart to determine the cheapest time to fly return from Australia to Phnom Penh. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Australia to Phnom Penh flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 10 October 2025.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific, andVietnam Airlines 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
1,377 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

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
1,377 reviews
Singapore Airlines
8.1
Very Good
1,377 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

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
1,020 reviews
Singapore Airlines
8.1
Very Good
1,377 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

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
203 reviews
Singapore Airlines
8.1
Very Good
1,377 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

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
7.4
Good
116 reviews
Singapore Airlines
8.1
Very Good
1,377 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

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
7.3
Good
278 reviews
Singapore Airlines
8.1
Very Good
1,377 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

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 Perth - Phnom Penh Pochentong or Sydney Kingsford Smith - 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, May is the cheapest month in which you can book a flight from Australia to Phnom Penh (average of $534). Flying from Australia to Phnom Penh in December is currently the most expensive (average of $836). 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 Australia to Phnom Penh on these airlines

Choose from the following airlines for your flight from Australia to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 10 October 2025.
Singapore Airlines flights from Australia to Phnom Penh Pochentong

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 10 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest$543Average$1,006FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Philippine AirlinesCheapest$585Average$1,126FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
XiamenAirCheapest$589Average$813FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
China SouthernCheapest$617Average$1,023FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest$630Average$1,091FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest$665Average$794FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Cathay PacificCheapest$709Average$1,141FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
China EasternCheapest$758Average$1,264FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
EmiratesCheapest$831Average$1,211FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Virgin AustraliaCheapest$835Average$1,199FlexibilityNo 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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