Question 1

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

Accepted Answer

The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $309. 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.

Question 2

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

Accepted Answer

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.

Question 3

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Australia to Phnom Penh (average of $838). Flying from Australia to Phnom Penh in December is currently the most expensive (average of $1,655). 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.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 inches per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).

Question 6

What are the most popular airlines that fly from Australia to Phnom Penh?

Accepted Answer

Consider Singapore Airlines, China Southern or Cathay Pacific when booking your flight. These represent the most popular airlines when flying from Australia to Phnom Penh.

Question 7

What is the cheapest time of day to fly from AU to KTI?

Accepted Answer

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.

Question 8

What airport do you fly into for flights to Phnom Penh from Australia?

Accepted Answer

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.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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.

Question 12

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

Accepted Answer

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!

Question 13

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

Accepted Answer

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.

Question 14

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

Accepted Answer

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.

Question 15

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

Accepted Answer

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.

Popular in	December
Cheapest in	February
Average price	$1,127

Airline	Cheapest	Average	Flexibility	On-time
XiamenAir	Cheapest$447	Average$904	FlexibilityNo cancel fee	On-time49%	Search XiamenAir flights
Malaysia Airlines	Cheapest$495	Average$984	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
China Southern	Cheapest$553	Average$988	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Philippine Airlines	Cheapest$600	Average$1,045	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
Singapore Airlines	Cheapest$618	Average$1,186	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Shenzhen Airlines	Cheapest$679	Average$1,211	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Vietnam Airlines	Cheapest$724	Average$907	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Cathay Pacific	Cheapest$794	Average$1,296	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Thai Airways	Cheapest$858	Average$1,521	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights
Virgin Australia	Cheapest$1,081	Average$1,216	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights

Find flight deals from Australia to Phnom Penh

Popular in

Cheapest in

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Cheapflights Insights

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?

Reviews of airlines servicing Phnom Penh

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.

Related info for your journey

What airport do you fly into for flights to Phnom Penh from Australia?

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

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

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

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

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

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.

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 12 September 2026.

Alternative routes for Australia to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Phnom Penh by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Australia to Phnom Penh by cabin class

Find flights from Australia to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Australia and Phnom Penh flights

Browse other Australia and Phnom Penh flight options. Last updated on 12 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 10 airlines flying from Australia to Phnom Penh

Fly with Cheapflights

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

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

Can Cheapflights 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?

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Cheap flights from Australia to Phnom Penh

Find flight deals from Australia to Phnom Penh

Popular in

Cheapest in

Average price

Cheapflights Insights

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?

Reviews of airlines servicing Phnom Penh

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.

Related info for your journey

What airport do you fly into for flights to Phnom Penh from Australia?

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

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

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

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

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

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.

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 12 September 2026.

Alternative routes for Australia to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Phnom Penh by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Australia to Phnom Penh by cabin class

Find flights from Australia to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Australia and Phnom Penh flights

Browse other Australia and Phnom Penh flight options. Last updated on 12 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 10 airlines flying from Australia to Phnom Penh

Fly with Cheapflights

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

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

Can Cheapflights 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?

100% Free

Book with flexibility

Travel Smart