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Cheap flights from Australia to Phnom Penh

SYD — KTI
24 Aug — 31 Aug1
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 25 July 2026.

Popular in

December

Cheapest in

February

Average price

$997
Highest demand for flights based on searches. 19% potential increase in price ($371 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease ($93 potential savings vs. average return price).
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Average for round-trip flights in July 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 56 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 $856). Flying from Australia to Phnom Penh in December is currently the most expensive (average of $1,678). 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 25 July 2026.
Read through reviews of airlines operating flights from Australia to Phnom Penh, such as Singapore Airlines,Shenzhen Airlines, andCathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,581 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

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
1,581 reviews
Singapore Airlines
8.2
Very Good
1,581 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

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.
Shenzhen Airlines
7.9
Good
26 reviews
Singapore Airlines
8.2
Very Good
1,581 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

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
1,429 reviews
Singapore Airlines
8.2
Very Good
1,581 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

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
7.4
Good
164 reviews
Singapore Airlines
8.2
Very Good
1,581 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

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
314 reviews
Singapore Airlines
8.2
Very Good
1,581 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

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?

    For a flight from Australia to Phnom Penh, you will be flying into Techo Intl. Phnom Penh Techo Intl (KTI) is just 22.6 km from the centre of the city.

  • 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 $317. However, be on the lookout for offers from China Southern and Malaysia Airlines, as they are both options that can get you from Australia to Phnom Penh for a low price.

  • 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 $856). Flying from Australia to Phnom Penh in December is currently the most expensive (average of $1,678). 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.

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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 25 July 2026.
Singapore Airlines flights from Australia to Phnom Penh Techo Intl

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 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
XiamenAirCheapest$459Average$1,009FlexibilityNo cancel feeOn-time49%
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Malaysia AirlinesCheapest$508Average$1,025FlexibilityNo cancel feeOn-time67%
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China SouthernCheapest$568Average$998FlexibilityNo cancel feeOn-time69%
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Singapore AirlinesCheapest$592Average$1,186FlexibilityNo cancel feeOn-time81%
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Philippine AirlinesCheapest$616Average$1,064FlexibilityNo cancel feeOn-time60%
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Vietnam AirlinesCheapest$728Average$934FlexibilityNo cancel feeOn-time81%
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Shenzhen AirlinesCheapest$735Average$1,244FlexibilityNo cancel feeOn-time63%
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Cathay PacificCheapest$815Average$1,367FlexibilityNo cancel feeOn-time72%
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Thai AirwaysCheapest$881Average$1,566FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Virgin AustraliaCheapest$1,036Average$1,248FlexibilityNo cancel feeOn-time80%
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Fly with Cheapflights

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How does Cheapflights help users find flights from Australia to Phnom Penh?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Phnom Penh from Australia today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Phnom Penh from Australia.

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

Certainly. Search results for flights to Phnom Penh from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Australia to Phnom Penh on Cheapflights with our Price Alert feature and get notified when better prices are available.

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