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Cheap flights from Australia to Phnom Penh

SYD — PNH
16 Jul — 23 Jul1
1 adult
1 adult, Economy, 0 bags

Find 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 16 June 2026.

Popular in

December

Cheapest in

August

Average price

$957
Highest demand for flights based on searches. 17% potential increase in price ($304 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($64 potential savings vs. average return price).
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Average for round-trip flights in June 2026
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Cheapflights Insights

Everything you need to know about your flight from Australia to Phnom Penh

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

The best time to book flights from Australia to Phnom Penh is 73 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 Australia to Phnom Penh?

Currently, February is the cheapest month in which you can book a flight from Australia to Phnom Penh (average of $354). Flying from Australia to Phnom Penh in May is currently the most expensive (average of $703). 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.

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 16 June 2026.
Get a feel of what it's like to fly with Singapore Airlines,Vietnam Airlines, andCathay Pacific 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
8.2
Very Good
1,545 reviews
Check prices

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Overall

8.2

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Singapore Airlines
8.2
Very Good
1,545 reviews
Singapore Airlines
8.2
Very Good
1,545 reviews
Check prices

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Overall

8.2

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Vietnam Airlines
7.7
Good
272 reviews
Singapore Airlines
8.2
Very Good
1,545 reviews
Check prices

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Overall

8.2

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Cathay Pacific
7.6
Good
1,380 reviews
Singapore Airlines
8.2
Very Good
1,545 reviews
Check prices

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Overall

8.2

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
China Southern
7.5
Good
153 reviews
Singapore Airlines
8.2
Very Good
1,545 reviews
Check prices

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Overall

8.2

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Malaysia Airlines
7.3
Good
311 reviews
Singapore Airlines
8.2
Very Good
1,545 reviews
Check prices

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Overall

8.2

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

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 cheapest airlines to fly from Australia to Phnom Penh one-way?

    The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $162. However, be on the lookout for offers from AirAsia X and Malaysia Airlines, as they are both options that can get you from Australia to Phnom Penh for a low price.

  • 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, February is the cheapest month in which you can book a flight from Australia to Phnom Penh (average of $354). Flying from Australia to Phnom Penh in May is currently the most expensive (average of $703). 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 16 June 2026.
Singapore Airlines flights from Australia to Phnom Penh Pochentong

Top 8 airlines flying from Australia to Phnom Penh

Discover the top 8 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 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest$486Average$1,061FlexibilityNo cancel feeOn-time67%
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Virgin AustraliaCheapest$512Average$1,223FlexibilityNo cancel feeOn-time80%
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Vietnam AirlinesCheapest$536Average$748FlexibilityNo cancel feeOn-time81%
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Singapore AirlinesCheapest$604Average$1,013FlexibilityNo cancel feeOn-time81%
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China SouthernCheapest$629Average$1,007FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$760Average$891FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Philippine AirlinesCheapest$767Average$1,394FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Cathay PacificCheapest$783Average$1,055FlexibilityNo cancel feeOn-time72%
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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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