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Cheap flights from Sydney to Phnom Penh from $329

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PNH
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Phnom Penh Pochentong are usually found in February or October, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Sydney to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Phnom Penh (PNH). 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 25 March 2025.

Round-trip from

$749

One-way from

$329

Popular in

December

Cheapest in

February

Average price

$974
9/5-19/5
  • 9/5-19/5
  • 4 total stops
  • 69h 35m total
  • Sydney to Phnom Penh
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3/6
  • 3/6
  • 1 total stop
  • 17h 05m total
  • Sydney to Phnom Penh
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($418 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease ($103 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Sydney to Phnom Penh

Cheapest flights from Sydney to Phnom Penh
Explore the most affordable flight options available from Sydney to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Fri 9/511:55SYD - PNH
2 stops35h 55mMultiple Airlines
Mon 19/519:10PNH - SYD
2 stops33h 40mMultiple Airlines
Deal found 25/3$749
Thu 5/610:15SYD - PNH
1 stop12h 25mVietnam Airlines
Wed 18/616:25PNH - SYD
1 stop12h 50mVietnam Airlines
Deal found 23/3$778
Fri 9/513:05SYD - PNH
1 stop23h 55mMalaysia Airlines
Mon 19/511:10PNH - SYD
1 stop19h 50mMalaysia Airlines
Deal found 25/3$781
Wed 23/718:05SYD - PNH
1 stop17h 35mSingapore Airlines
Wed 13/814:05PNH - SYD
1 stop12h 50mSingapore Airlines
Deal found 25/3$791
Sat 3/521:45SYD - PNH
1 stop29h 25mChina Southern
Mon 19/508:00PNH - SYD
1 stop32h 40mChina Southern
Deal found 24/3$821
Thu 8/510:10SYD - PNH
1 stop17h 05mPhilippine Airlines
Sat 17/501:15PNH - SYD
1 stop27h 45mPhilippine Airlines
Deal found 24/3$923
Mon 12/520:30SYD - PNH
1 stop29h 45mChina Eastern
Sun 18/500:10PNH - SYD
1 stop29h 50mChina Eastern
Deal found 24/3$1,102
Thu 1/515:00SYD - PNH
2 stops22h 15mCathay Pacific
Mon 19/511:25PNH - SYD
2 stops20h 00mCathay Pacific
Deal found 24/3$1,160
Sun 30/1122:10SYD - PNH
1 stop22h 05mChina Airlines
Sun 18/111:35PNH - SYD
1 stop20h 35mChina Airlines
Deal found 23/3$1,265

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Phnom Penh 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, Cheapflights users made 647,157 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from Sydney to Phnom Penh that are best for you.

Fly from

Sydney

Fly to

Phnom Penh

Route

Depart

Return

Price

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Fri 9/5

11:55-20:50

2 stops35h 55m

Phnom Penh Pochentong

Mon 19/5

19:10-07:50

2 stops33h 40m

$749

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 5/6

10:15-19:40

1 stop12h 25m

Phnom Penh Pochentong

Wed 18/6

16:25-08:15

1 stop12h 50m

$778

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Fri 9/5

13:05-10:00

1 stop23h 55m

Phnom Penh Pochentong

Mon 19/5

11:10-10:00

1 stop19h 50m

$781

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Wed 23/7

18:05-08:40

1 stop17h 35m

Phnom Penh Pochentong

Wed 13/8

14:05-05:55

1 stop12h 50m

$791

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Sat 3/5

21:45-00:10

1 stop29h 25m

Phnom Penh Pochentong

Mon 19/5

08:00-19:40

1 stop32h 40m

$821

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 8/5

10:10-00:15

1 stop17h 05m

Phnom Penh Pochentong

Sat 17/5

01:15-08:00

1 stop27h 45m

$923

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Mon 12/5

20:30-23:15

1 stop29h 45m

Phnom Penh Pochentong

Sun 18/5

00:10-09:00

1 stop29h 50m

$1,102

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 1/5

15:00-10:15

2 stops22h 15m

Phnom Penh Pochentong

Mon 19/5

11:25-10:25

2 stops20h 00m

$1,160

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 1/5

19:40-23:05

1 stop30h 25m

Phnom Penh Pochentong

Sun 18/5

00:20-14:50

1 stop35h 30m

$3,364

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Tue 3/6

21:15-11:20

1 stop17h 05m

$329

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 13 results
1
2

Best time to book a flight from Sydney to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Sydney 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 Sydney to Phnom Penh

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

Use this chart to determine the optimal time to book a return flight from Sydney to Phnom Penh. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from Sydney to Phnom Penh, you should look to book at least 71 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 Sydney to Phnom Penh?

Currently, February is the cheapest month in which you can book a flight from Sydney to Phnom Penh (average of $523). Flying from Sydney to Phnom Penh in December is currently the most expensive (average of $1,067). 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 SYD to PNH?

Find hourly flight availability from Sydney to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

A simple way to save on the total cost of your ticket is to fly from Sydney to Phnom Penh at midday. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the evening.

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

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

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

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

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.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

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).

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 March 2025.
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,284 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Vietnam Airlines
7.6
Good
192 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
833 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
China Southern
7.4
Good
91 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Malaysia Airlines
7.3
Good
252 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Sydney 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 are the cheapest airlines flying from Sydney to Phnom Penh round-trip?

    Currently priced at $778, Vietnam Airlines will fly you from Sydney to Phnom Penh and back. In addition to Vietnam Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Malaysia Airlines and Singapore Airlines - these airlines can fly you to your destination from $781 and $791, respectively. Vietnam Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $531 on Malaysia Airlines. Other airlines that offer cheap prices include Vietnam Airlines from $694 and Cathay Pacific from $713 one-way.

  • Where are the most common stopover locations when flying from Sydney to Phnom Penh?

    Most of the time, Sydney to Phnom Penh flights that have stopovers will stop in Singapore. Singapore is followed by Hong Kong in terms of the most popular stopover location on flights from Sydney to Phnom Penh.

  • What are some popular things to do or see while on a stopover in Singapore?

    Sentosa, Merlion, and Boat Quay are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Boat Quay can be visited by traveling about 21.6 km, 16.9 km, and 17.3 km respectively from Singapore Changi. Those landing in Singapore looking to spend some time exploring during their stopover can hire a car for about $133 per day.

  • What are some popular points of interest to see during a stopover in Hong Kong?

    The majority of Hong Kong visitors spend their time at Hong Kong Disneyland, Mid-levels Escalators, and Hong Kong Heritage Discovery Centre. Those on a layover in Hong Kong interested in visiting Hong Kong Disneyland, Mid-levels Escalators, or Hong Kong Heritage Discovery Centre can do so by travelling 12.6 km, 24.5 km, and 25.8 km, respectively from Hong Kong Intl. Travellers can rent a car at Hong Kong Intl for an average daily rate of $129 to make sightseeing during their stopover a little easier.

  • Where are the least popular stopover locations for Sydney to Phnom Penh flights?

    Sydney to Phnom Penh flights that have stopovers will least frequently stop in Guangzhou. Kuala Lumpur is the second least popular location for stopovers on flights from Sydney to Phnom Penh.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney 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 Sydney to Phnom Penh?

    Currently, February is the cheapest month in which you can book a flight from Sydney to Phnom Penh (average of $523). Flying from Sydney to Phnom Penh in December is currently the most expensive (average of $1,067). 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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Fly from Sydney to Phnom Penh on these airlines

Choose from the following airlines for your flight from Sydney to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 25 March 2025.
Singapore Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong
Malaysia Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong
Vietnam Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong

Top 10 airlines flying from Sydney to Phnom Penh

Discover the top 10 airlines that operate flights from Sydney 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 March 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$689Average$1,081FlexibilityNo cancel feeOn-time69%
Search China Southern flights
XiamenAirCheapest$714Average$783FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
Philippine AirlinesCheapest$731Average$832FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Vietnam AirlinesCheapest$751Average$1,005FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Singapore AirlinesCheapest$751Average$1,034FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest$757Average$1,164FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapest$945Average$1,323FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Virgin AustraliaCheapest$1,014Average$1,327FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Thai AirwaysCheapest$1,070Average$1,397FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
China AirlinesCheapest$1,104Average$1,282FlexibilityNo cancel feeOn-time70%
Search China Airlines flights

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 Sydney to Phnom Penh?

Deals for Sydney to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Phnom Penh from Sydney 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 Sydney to Phnom Penh with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Phnom Penh flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Sydney to Phnom Penh and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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