Which airport typically offers the quickest stopover for flights from Phnom Penh to Sydney?

Flights via Ho Chi Minh City (SGN) offer the fastest connection on this route, with an average stopover time of 2h 47m. Find deals

What’s the fastest stopover option from Phnom Penh to Sydney?

Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 12h 48m. Find deals

What’s the top stopover airport for flights from Phnom Penh to Sydney?

Guangzhou (CAN) – chosen by Cheapflights users on 29% of one-stop itineraries from Phnom Penh to Sydney on Cheapflights. Find deals

What’s the cheapest stopover airport for flights from Phnom Penh to Sydney?

Xiamen (XMN) is the most affordable one-stop option, with an average return flight price of $859. Find deals

What are the cheapest airlines flying from Phnom Penh to Sydney round-trip?

According to our current data, XiamenAir ($685), China Southern ($689), and Cathay Pacific ($1,004) offers the cheapest pricing from Phnom Penh to Sydney. XiamenAir is 47% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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

Cathay Pacific, China Southern and XiamenAir are the most popular airlines when flying from Phnom Penh to Sydney.

What is the cheapest day to fly return from Phnom Penh to Sydney?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 22%.

How far in advance should I book a flight from Phnom Penh to Sydney?

Travellers have found it’s best to book a flight 51 days in advance to save up to 9% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 51 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Phnom Penh to Sydney 1-2 weeks in advance for as low as $834, or $2,482 for flights within the next 24 hours.

What is the cheapest month to fly from Phnom Penh to Sydney?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, August can be a great choice for travel to Sydney. Flights to Sydney from Phnom Penh in August are about $1,312 on average during August, but can be found for as low as $704.

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

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

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Sydney.

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

Yes. Cheapflights offers flight deals from Phnom Penh to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$548+ Cheap Flights from Phnom Penh to Sydney

Cheapflights Tip: The best prices from Phnom Penh Pochentong to Sydney Kingsford Smith are usually found in August or October, booked 67 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Phnom Penh to Sydney

Round-trip from	$7,337
One-way from	$548
Popular in	January
Cheapest in	August
Average price	$1,346

28/10-4/11
5 total stops
107h 55m total
Phnom Penh to Sydney

Search Deals

14/10
3 total stops
39h 40m total
Phnom Penh to Sydney

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($253 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($72 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Phnom Penh to Sydney

Cheapest flights from Phnom Penh to Sydney
Explore the most affordable flight options available from Phnom Penh to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Tue 28/1007:55PNH - SYD

3 stops48h 00mMultiple Airlines

Tue 4/1110:30SYD - PNH

2 stops59h 55mMultiple Airlines

Deal found 13/9$7,337

Fri 19/1207:55PNH - SYD

2 stops49h 40mMultiple Airlines

Sun 11/121:30SYD - PNH

2 stops48h 55mMultiple Airlines

Deal found 13/9$8,680

Fri 14/1107:55PNH - SYD

2 stops49h 40mMultiple Airlines

Fri 21/1110:30SYD - PNH

2 stops72h 00mMultiple Airlines

Deal found 14/9$9,701

Best flights from Phnom Penh to Sydney
Discover carefully curated flight deals from Phnom Penh to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Tue 28/1007:55PNH - SYD

3 stops48h 00mMultiple Airlines

Tue 4/1110:30SYD - PNH

2 stops59h 55mMultiple Airlines

Deal found 13/9$7,337

Thu 5/319:50PNH - SYD

2 stops61h 45mMultiple Airlines

Fri 13/321:30SYD - PNH

2 stops61h 00mMultiple Airlines

Deal found 13/9$8,222

Fri 19/1207:55PNH - SYD

2 stops49h 40mMultiple Airlines

Sun 11/121:30SYD - PNH

2 stops48h 55mMultiple Airlines

Deal found 13/9$8,680

Fri 14/1107:55PNH - SYD

2 stops49h 40mMultiple Airlines

Fri 21/1110:30SYD - PNH

2 stops72h 00mMultiple Airlines

Deal found 14/9$9,701

Mon 2/207:55PNH - SYD

2 stops44h 35mMultiple Airlines

Wed 18/206:35SYD - PNH

2 stops51h 55mMultiple Airlines

Deal found 13/9$11,632

Sat 7/319:50PNH - SYD

2 stops31h 45mMultiple Airlines

Sat 21/321:30SYD - PNH

2 stops61h 00mMultiple Airlines

Deal found 14/9$12,864

One-way flights from Phnom Penh to Sydney
Search for one-way flight options from Phnom Penh to Sydney. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Tue 14/1013:55PNH - SYD

3 stops39h 40mMultiple Airlines

Deal found 13/9$548

Sun 21/913:55PNH - SYD

3 stops26h 35mMultiple Airlines

Deal found 12/9$567

Fri 17/1013:55PNH - SYD

2 stops21h 00mMultiple Airlines

Deal found 15/9$663

Wed 15/1023:55PNH - SYD

1 stop28h 35mAsiana Airlines

Deal found 15/9$1,385

Thu 6/1123:55PNH - SYD

1 stop28h 35mAsiana Airlines

Deal found 14/9$1,388

Wed 15/1013:55PNH - SYD

2 stops21h 00mMultiple Airlines

Deal found 15/9$3,164

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Tue 28/10

07:55-11:55

3 stops48h 00m

Sydney Kingsford Smith

Tue 4/11

10:30-18:25

2 stops59h 55m

$7,337

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Thu 5/3

19:50-13:35

2 stops61h 45m

Sydney Kingsford Smith

Fri 13/3

21:30-06:30

2 stops61h 00m

$8,222

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Fri 19/12

07:55-13:35

2 stops49h 40m

Sydney Kingsford Smith

Sun 11/1

21:30-18:25

2 stops48h 55m

$8,680

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Fri 14/11

07:55-13:35

2 stops49h 40m

Sydney Kingsford Smith

Fri 21/11

10:30-06:30

2 stops72h 00m

$9,701

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Mon 2/2

07:55-08:30

2 stops44h 35m

Sydney Kingsford Smith

Wed 18/2

06:35-06:30

2 stops51h 55m

$11,632

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Sat 7/3

19:50-07:35

2 stops31h 45m

Sydney Kingsford Smith

Sat 21/3

21:30-06:30

2 stops61h 00m

$12,864

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Tue 14/10

13:55-09:35

3 stops39h 40m

$548

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Sun 21/9

13:55-19:30

3 stops26h 35m

$611

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Fri 17/10

13:55-14:55

2 stops21h 00m

$663

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Wed 15/10

23:55-08:30

1 stop28h 35m

$1,385

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 14 results

Best time to book a flight from Phnom Penh to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Phnom Penh with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

Prices

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

To ensure you get the cheapest price possible for a flight from Phnom Penh to Sydney, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Phnom Penh to Sydney (average of $129). Flying from Phnom Penh to Sydney in October is currently the most expensive (average of $171). 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 PNH to SYD?

Unlike at midday, when flights are generally more expensive, you can save up to 28% on flights from Phnom Penh to Sydney by exploring options for tickets in the morning.

Reviews of airlines servicing Sydney

See what other customers who have flown with Singapore Airlines, Cathay Pacific, andVietnam Airlines from Phnom Penh to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,365 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Singapore Airlines

8.1

Very Good

1,365 reviews

Singapore Airlines

8.1

Very Good

1,365 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Cathay Pacific

7.6

Good

993 reviews

Singapore Airlines

8.1

Very Good

1,365 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Vietnam Airlines

7.6

Good

201 reviews

Singapore Airlines

8.1

Very Good

1,365 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

China Southern

7.5

Good

110 reviews

Singapore Airlines

8.1

Very Good

1,365 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

What are the cheapest airlines flying from Phnom Penh to Sydney round-trip?
According to our current data, XiamenAir ($685), China Southern ($689), and Cathay Pacific ($1,004) offers the cheapest pricing from Phnom Penh to Sydney. XiamenAir is 47% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Phnom Penh to Sydney that include hotel bookings?
Yes. In addition to deals on Phnom Penh to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Phnom Penh to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Sydney.
Can I find deals for business class flights from Phnom Penh to Sydney?
Yes. Cheapflights offers flight deals from Phnom Penh to Sydney 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 Phnom Penh to Sydney?
Currently, May is the cheapest month in which you can book a flight from Phnom Penh to Sydney (average of $129). Flying from Phnom Penh to Sydney in October is currently the most expensive (average of $171). 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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Other flights to Sydney

Top 5 airlines flying from Phnom Penh to Sydney

Airline	Cheapest	Average	Flexibility	On-time
XiamenAir	Cheapest$685	Average$845	FlexibilityNo cancel fee	On-time49%	Search XiamenAir flights
China Southern	Cheapest$689	Average$937	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Cathay Pacific	Cheapest$1,004	Average$1,202	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Vietnam Airlines	Cheapest$1,094	Average$1,229	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Singapore Airlines	Cheapest$1,249	Average$1,614	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Phnom Penh to Sydney 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 Phnom Penh to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Phnom Penh by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Phnom Penh to Sydney, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Phnom Penh to Sydney 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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Cheap flights from Phnom Penh to Sydney from $548

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Phnom Penh Pochentong to Sydney Kingsford Smith are usually found in August or October, booked 67 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Phnom Penh to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Phnom Penh to Sydney

Cheapest flights from Phnom Penh to SydneyExplore the most affordable flight options available from Phnom Penh to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Phnom Penh to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Sydney that are best for you.

Best time to book a flight from Phnom Penh to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Phnom Penh with our price prediction graph.

Cheapflights Insights

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

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

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

What is the cheapest time of day to fly from PNH to SYD?

What’s the top stopover airport for flights from Phnom Penh to Sydney?

What’s the fastest stopover option from Phnom Penh to Sydney?

What’s the fastest stopover option from Phnom Penh to Sydney?

Which airport typically offers the quickest stopover for flights from Phnom Penh to Sydney?

Reviews of airlines servicing Sydney

See what other customers who have flown with Singapore Airlines, Cathay Pacific, andVietnam Airlines from Phnom Penh to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Phnom Penh to Sydney round-trip?

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

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

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

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

Travelling to a place near Sydney?

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Complete your trip

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

Top 5 airlines flying from Phnom Penh to Sydney

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 Phnom Penh to Sydney?

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

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

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

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Cheapest flights from Phnom Penh to Sydney
Explore the most affordable flight options available from Phnom Penh to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.