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Cheap flights from Phnom Penh to Australia from $1,255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phnom Penh to Australia departing on 15/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap one-way flights

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Korean Air Logo
23:45 - 06:55PNH-SYD
27h 10m1 stop
$1,255Korean Air
Find Deal
Sun, 15 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Phnom Penh to Australia 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, momondo users made 78,305 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from Phnom Penh to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Sun 15/3

23:45-06:55

1 stop27h 10m

$1,255

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Phnom Penh to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Australia?

In general, October is the cheapest month to fly from Phnom Penh to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,045. If you don’t want to visit Australia in October, then you should wait until August to fly from Phnom Penh, when ticket prices are also cheap, with an average price of $1,110.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from Phnom Penh is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,287. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Phnom Penh to Australia on a Tuesday will generally be more expensive and average around $1,577. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from Phnom Penh to Australia in the morning for as low as $1,260. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly at midday, with an average ticket price of $1,746. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Phnom Penh when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,322 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Phnom Penh for as low as $924 on momondo.

Cheap Phnom Penh to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phnom Penh to Australia

Fastest flight time

21h 25m

Direct flights

None
The fastest flight from Phnom Penh to Australia takes 21h 25m
There are no direct flights from Phnom Penh to Australia. There are no popular flight routes from Phnom Penh to Australia.
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  • When did momondo last update prices for flights from Phnom Penh Pochentong Airport to Australia?

    Prices for flights from Phnom Penh Pochentong Airport to Australia are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phnom Penh Pochentong Airport to Australia?

  • How old do you have to be to fly from Phnom Penh Pochentong Airport to Australia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phnom Penh Pochentong Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Phnom Penh to Australia

Compare and see reviews for airlines that fly from Phnom Penh to Australia with momondo
Airline
Rating
Free cancellation
Price
XiamenAirPriceFrom $466Free cancellationRating
6.6
41 reviews
Search XiamenAir flights
Vietnam AirlinesPriceFrom $567Free cancellationRating
7.6
215 reviews
Search Vietnam Airlines flights
China SouthernPriceFrom $672Free cancellationRating
7.5
119 reviews
Search China Southern flights
Singapore AirlinesPriceFrom $788Free cancellationRating
8.1
1,411 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $987Free cancellationRating
7.6
1,072 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom $1,103Free cancellationRating
7.3
281 reviews
Search Malaysia Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Phnom Penh to Australia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phnom Penh to Australia for you.

Can I find flights from Phnom Penh to Australia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Australia from Phnom Penh which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Phnom Penh to Australia?

momondo helps you find the best flight between Phnom Penh and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Phnom Penh to Australia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from Phnom Penh and alert you when they change.

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