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Cheap flights from Phnom Penh to Sydney from $240

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 Sydney departing on 8/25. 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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Find the cheapest flights from Phnom Penh to Sydney

Cheap round-trip flights

Logo
12:20 pm - 9:20 amPNH-SYD
18h 00m1 stop
Logo
9:15 pm - 8:45 amSYD-PNH
14h 30m1 stop
$466
Find Deal
Mon, Sep 1 - Sat, Sep 6
Logo
3:35 pm - 8:25 pmPNH-SYD
24h 50m1 stop
Logo
10:15 am - 7:45 pmSYD-PNH
13h 30m1 stop
$469
Find Deal
Tue, Oct 21 - Fri, Oct 24
China Southern Logo
8:00 am - 8:20 pmPNH-SYD
32h 20m1 stop
China Southern Logo
11:25 am - 2:35 pmSYD-PNH
31h 10m1 stop
$477China Southern
Find Deal
Wed, Oct 29 - Sun, Nov 2
Logo
12:20 pm - 9:20 amPNH-SYD
18h 00m1 stop
Logo
10:15 am - 8:45 amSYD-PNH
26h 30m1 stop
$478
Find Deal
Thu, Sep 18 - Sun, Oct 5
Logo
6:00 pm - 9:20 amPNH-SYD
36h 20m1 stop
Logo
9:15 am - 8:45 amSYD-PNH
26h 30m1 stop
$480
Find Deal
Tue, Aug 19 - Wed, Sep 3
Logo
12:20 pm - 9:20 amPNH-SYD
18h 00m1 stop
Logo
10:15 am - 8:45 amSYD-PNH
26h 30m1 stop
$483
Find Deal
Thu, Sep 18 - Sun, Oct 5
China Southern Logo
8:00 am - 8:25 pmPNH-SYD
32h 25m1 stop
China Southern Logo
11:15 am - 12:10 amSYD-PNH
16h 55m1 stop
$485China Southern
Find Deal
Mon, Oct 20 - Sat, Oct 25
XiamenAir Logo
12:20 pm - 9:20 amPNH-SYD
18h 00m1 stop
XiamenAir Logo
11:25 am - 11:20 amSYD-PNH
26h 55m1 stop
$564XiamenAir
Find Deal
Wed, Sep 10 - Tue, Sep 23
XiamenAir Logo
6:00 pm - 9:20 amPNH-SYD
36h 20m1 stop
XiamenAir Logo
11:25 am - 10:50 amSYD-PNH
26h 25m2 stops
$575XiamenAir
Find Deal
Sun, Sep 14 - Sun, Sep 21
XiamenAir Logo
12:20 pm - 9:20 amPNH-SYD
18h 00m1 stop
XiamenAir Logo
11:25 am - 11:20 amSYD-PNH
26h 55m1 stop
$576XiamenAir
Find Deal
Thu, Sep 18 - Tue, Sep 30

XiamenAir flights from Phnom Penh to Sydney

Our best XiamenAir deals on Phnom Penh to Sydney flight tickets
XiamenAir
Sep 10
PNH12:20 pmPhnom Penh Pochentong
18h 00m
1 stop
SYD9:20 amSydney Kingsford Smith
Sep 23
SYD11:25 amSydney Kingsford Smith
26h 55m
1 stop
PNH11:20 amPhnom Penh Pochentong
$564
Find similar
XiamenAir
Sep 14
PNH6:00 pmPhnom Penh Pochentong
36h 20m
1 stop
SYD9:20 amSydney Kingsford Smith
Sep 21
SYD11:25 amSydney Kingsford Smith
26h 25m
2 stops
PNH10:50 amPhnom Penh Pochentong
$575
Find similar
XiamenAir
Sep 18
PNH12:20 pmPhnom Penh Pochentong
18h 00m
1 stop
SYD9:20 amSydney Kingsford Smith
Sep 30
SYD11:25 amSydney Kingsford Smith
26h 55m
1 stop
PNH11:20 amPhnom Penh Pochentong
$576
Find similar

China Southern flights from Phnom Penh to Sydney

Our best China Southern deals on Phnom Penh to Sydney flight tickets
China Southern
Oct 29
PNH8:00 amPhnom Penh Pochentong
32h 20m
1 stop
SYD8:20 pmSydney Kingsford Smith
Nov 2
SYD11:25 amSydney Kingsford Smith
31h 10m
1 stop
PNH2:35 pmPhnom Penh Pochentong
$477
Find similar
China Southern
Oct 20
PNH8:00 amPhnom Penh Pochentong
32h 25m
1 stop
SYD8:25 pmSydney Kingsford Smith
Oct 25
SYD11:15 amSydney Kingsford Smith
16h 55m
1 stop
PNH12:10 amPhnom Penh Pochentong
$485
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phnom Penh to Sydney 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 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Phnom Penh to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Mon 9/1

12:20 pm-9:20 am

1 stop18h 00m

Sydney Kingsford Smith

Sat 9/6

9:15 pm-8:45 am

1 stop14h 30m

$466

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Tue 10/21

3:35 pm-8:25 pm

1 stop24h 50m

Sydney Kingsford Smith

Fri 10/24

10:15 am-7:45 pm

1 stop13h 30m

$469

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Wed 10/29

8:00 am-8:20 pm

1 stop32h 20m

Sydney Kingsford Smith

Sun 11/2

11:25 am-2:35 pm

1 stop31h 10m

$477

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Thu 9/18

12:20 pm-9:20 am

1 stop18h 00m

Sydney Kingsford Smith

Sun 10/5

10:15 am-8:45 am

1 stop26h 30m

$478

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Tue 8/19

6:00 pm-9:20 am

1 stop36h 20m

Sydney Kingsford Smith

Wed 9/3

9:15 am-8:45 am

1 stop26h 30m

$480

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Thu 9/18

12:20 pm-9:20 am

1 stop18h 00m

Sydney Kingsford Smith

Sun 10/5

10:15 am-8:45 am

1 stop26h 30m

$483

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Mon 10/20

8:00 am-8:25 pm

1 stop32h 25m

Sydney Kingsford Smith

Sat 10/25

11:15 am-12:10 am

1 stop16h 55m

$485

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Wed 9/10

12:20 pm-9:20 am

1 stop18h 00m

Sydney Kingsford Smith

Tue 9/23

11:25 am-11:20 am

1 stop26h 55m

$564

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Sun 9/14

6:00 pm-9:20 am

1 stop36h 20m

Sydney Kingsford Smith

Sun 9/21

11:25 am-10:50 am

2 stops26h 25m

$575

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Thu 9/18

12:20 pm-9:20 am

1 stop18h 00m

Sydney Kingsford Smith

Tue 9/30

11:25 am-11:20 am

1 stop26h 55m

$576

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Phnom Penh to Sydney

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 typical price of a round-trip flight between Phnom Penh and Sydney?

What is the cheapest month to fly to Sydney?

In general, October is the cheapest month to fly from Phnom Penh to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $722. If you are unable to visit Sydney during the month of October, then departing from Phnom Penh during the month June is also very affordable. Most momondo users find prices during this month for around $738.

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

The cheapest day to depart from Phnom Penh to Sydney is on a Thursday when prices can be found for as low as $746. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $935.

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

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Phnom Penh to Sydney in the morning for as low as $773. 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 Sydney are more costly at noon, with an average ticket price of $1,047. Departure times at noon 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 Sydney?

You are more likely to see cheaper flights to Sydney from Phnom Penh when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $864 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Phnom Penh for as low as $685 on momondo.

How have Phnom Penh to Sydney flight prices changed over time?

As of July 2025, prices for Phnom Penh to Sydney flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Phnom Penh to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Phnom Penh to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phnom Penh to Sydney (PNH to SYD) flight deals and tips

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

Best Price Found

$240

Fastest flight time

12h 20m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Phnom Penh in the past 72 hours is $240. The best round-trip flight deal from Phnom Penh to Sydney found on momondo in the last 72 hours is $466.
The fastest flight from Phnom Penh to Sydney takes 12h 20m
There are no direct flights from Phnom Penh to Sydney. Popular non-direct route for this connection is Phnom Penh Pochentong Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • How far is Phnom Penh Pochentong to Sydney Kingsford Smith by plane?

    The distance between Phnom Penh Pochentong and Sydney Kingsford Smith is about 4366.2 mi. 14h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport are updated daily.

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

  • How old do you have to be to fly from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport 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 license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Phnom Penh to Sydney?

Best airlines flying from Phnom Penh to Sydney

Compare and see reviews for airlines that fly from Phnom Penh to Sydney with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom $473Free CancellationRating
7.6
104 reviews
Search China Southern flights
XiamenAirPriceFrom $474Free CancellationRating
6.6
41 reviews
Search XiamenAir flights
Philippine AirlinesPriceFrom $502Free CancellationRating
7.2
894 reviews
Search Philippine Airlines flights
Singapore AirlinesPriceFrom $701Free CancellationRating
8.1
1,338 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $701Free CancellationRating
7.6
949 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom $713Free CancellationRating
7.4
271 reviews
Search Malaysia Airlines flights
Vietnam AirlinesPriceFrom $750Free CancellationRating
7.5
197 reviews
Search Vietnam Airlines flights

Traveling to a place near Sydney?

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Why use momondo?

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

It is quick and easy to find Phnom Penh to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. momondo allows you to filter the results for Phnom Penh to Sydney flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Phnom Penh and Sydney 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 Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from Phnom Penh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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