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Cheap flights from Phnom Penh (PNH) to Sydney (SYD)

PNH — SYD
dic. 4 — dic. 111
jue. 12/4
jue. 12/11
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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

Cheap flight deals from Phnom Penh to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 4, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Popular in

January

Cheapest in

October

Average price

$950
Provider with most accurate pricing for Phnom Penh Pochentong-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Sydney Kingsford Smith flights.
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Highest demand for flights based on searches. 9% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Compare providers for flights from Phnom Penh to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phnom Penh to Sydney in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
GotogatePrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phnom Penh-Sydney flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Phnom Penh-Sydney flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Phnom Penh-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phnom Penh-Sydney flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

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

Use this chart to determine the optimal time to book a round-trip flight from Phnom Penh to Sydney. Price data was last updated on October 31, 2025.

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phnom Penh to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Phnom Penh to Sydney (average of $461). Flying from Phnom Penh to Sydney in February is currently the most expensive (average of $799). 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?

Find hourly flight availability from Phnom Penh to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Phnom Penh to Sydney in the morning. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Phnom Penh to Sydney. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated noviembre 4, 2025.
Read through reviews of airlines operating flights from Phnom Penh to Sydney, such as Singapore Airlines, Cathay Pacific, and China Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,391 reviews

Entertainment

8.0

Food

7.7

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

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
1,391 reviews
Singapore Airlines
8.1
Very good
1,391 reviews

Entertainment

8.0

Food

7.7

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

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
1,050 reviews
Singapore Airlines
8.1
Very good
1,391 reviews

Entertainment

8.0

Food

7.7

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

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
119 reviews
Singapore Airlines
8.1
Very good
1,391 reviews

Entertainment

8.0

Food

7.7

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

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
7.5
Good
210 reviews
Singapore Airlines
8.1
Very good
1,391 reviews

Entertainment

8.0

Food

7.7

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

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.
Malaysia Airlines
7.3
Good
278 reviews
Singapore Airlines
8.1
Very good
1,391 reviews

Entertainment

8.0

Food

7.7

Boarding

8.3

Overall

8.1

Comfort

8.0

Crew

8.6

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

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?

    Cheapflights users have booked flights from Phnom Penh to Sydney round-trip from $466. Other airlines that can offer you cheap pricing are China Southern, from $469, and Cathay Pacific, from $701. XiamenAir is currently priced 46% below the average price you’ll pay for this route.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from Phnom Penh to Sydney (average of $461). Flying from Phnom Penh to Sydney in February is currently the most expensive (average of $799). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 6 airlines flying from Phnom Penh to Sydney

Discover the top 6 airlines that operate flights from Phnom Penh to Sydney. 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 2,558,603 searches. Data last updated noviembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
XiamenAirCheapest$466Average$619FlexibilityNo cancel feeOn-time49%
China SouthernCheapest$469Average$559FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$701Average$897FlexibilityNo cancel feeOn-time72%
Malaysia AirlinesCheapest$713Average$819FlexibilityNo cancel feeOn-time67%
Vietnam AirlinesCheapest$747Average$854FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$821Average$1,098FlexibilityNo cancel feeOn-time81%

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