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Cheap flights from Sydney to Phnom Penh from $1,304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Phnom Penh departing on 16/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Sydney to Phnom Penh

Cheap return flights

Logo
10:45 - 06:30SYD-PNH
47h 45m3 stops
Logo
07:55 - 18:50PNH-SYD
30h 55m3 stops
$2,385
Find Deal
Sun, 2 Nov - Tue, 18 Nov
Logo
22:15 - 06:30SYD-PNH
36h 15m3 stops
Logo
19:50 - 18:50PNH-SYD
43h 00m3 stops
$2,802
Find Deal
Sat, 25 Oct - Sat, 8 Nov
Logo
10:45 - 06:30SYD-PNH
47h 45m3 stops
Logo
07:55 - 18:50PNH-SYD
30h 55m3 stops
$2,926
Find Deal
Sat, 1 Nov - Tue, 18 Nov
Logo
22:15 - 06:30SYD-PNH
36h 15m3 stops
Logo
19:50 - 18:50PNH-SYD
43h 00m3 stops
$3,192
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Logo
22:15 - 06:30SYD-PNH
36h 15m3 stops
Logo
19:50 - 18:50PNH-SYD
43h 00m3 stops
$3,293
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Logo
10:45 - 18:25SYD-PNH
35h 40m3 stops
Logo
07:55 - 09:15PNH-SYD
45h 20m3 stops
$3,368
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Logo
22:15 - 06:30SYD-PNH
36h 15m3 stops
Logo
19:50 - 18:50PNH-SYD
43h 00m3 stops
$3,372
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Logo
21:50 - 06:30SYD-PNH
36h 40m3 stops
Logo
19:50 - 11:55PNH-SYD
36h 05m3 stops
$3,407
Find Deal
Wed, 5 Nov - Thu, 18 Dec
Logo
21:50 - 06:30SYD-PNH
36h 40m3 stops
Logo
19:50 - 09:15PNH-SYD
33h 25m2 stops
$3,551
Find Deal
Wed, 5 Nov - Thu, 18 Dec
Logo
17:20 - 18:25SYD-PNH
29h 05m2 stops
Logo
07:55 - 09:15PNH-SYD
45h 20m3 stops
$3,624
Find Deal
Fri, 31 Oct - Fri, 7 Nov

momondo 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, momondo users made 78,305 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Sydney to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Sun 2/11

10:45-06:30

3 stops47h 45m

Phnom Penh Pochentong

Tue 18/11

07:55-18:50

3 stops30h 55m

$2,385

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Sat 25/10

22:15-06:30

3 stops36h 15m

Phnom Penh Pochentong

Sat 8/11

19:50-18:50

3 stops43h 00m

$2,802

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Sat 1/11

10:45-06:30

3 stops47h 45m

Phnom Penh Pochentong

Tue 18/11

07:55-18:50

3 stops30h 55m

$2,926

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 30/10

22:15-06:30

3 stops36h 15m

Phnom Penh Pochentong

Thu 6/11

19:50-18:50

3 stops43h 00m

$3,192

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 30/10

22:15-06:30

3 stops36h 15m

Phnom Penh Pochentong

Thu 6/11

19:50-18:50

3 stops43h 00m

$3,293

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Fri 31/10

10:45-18:25

3 stops35h 40m

Phnom Penh Pochentong

Fri 7/11

07:55-09:15

3 stops45h 20m

$3,368

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 30/10

22:15-06:30

3 stops36h 15m

Phnom Penh Pochentong

Thu 6/11

19:50-18:50

3 stops43h 00m

$3,372

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Wed 5/11

21:50-06:30

3 stops36h 40m

Phnom Penh Pochentong

Thu 18/12

19:50-11:55

3 stops36h 05m

$3,407

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Wed 5/11

21:50-06:30

3 stops36h 40m

Phnom Penh Pochentong

Thu 18/12

19:50-09:15

2 stops33h 25m

$3,551

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Fri 31/10

17:20-18:25

2 stops29h 05m

Phnom Penh Pochentong

Fri 7/11

07:55-09:15

3 stops45h 20m

$3,624

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phnom Penh from

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

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 Sydney and Phnom Penh?

What is the cheapest month to fly to Phnom Penh?

The month of July is, on average, the cheapest month to fly to Phnom Penh from Sydney, with most prices found around $798. If you don’t want to visit Phnom Penh in July, then you should wait until February to fly from Sydney, when ticket prices are also cheap, with an average price of $806.

What is the cheapest day to depart on your flight to Phnom Penh?

Our data shows that Tuesday is the least expensive day to fly to Phnom Penh. Tickets to fly out on this day can be as low as $982. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,178. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phnom Penh.

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

Our most recent data shows that the best time of day to fly to Phnom Penh is at midday. Flights from Sydney to Phnom Penh during this time can be as low as $858. Flights to Phnom Penh are more costly in the evening, with an average ticket price of $1,088. Departure times in the evening 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 Phnom Penh?

You are more likely to see cheaper flights to Phnom Penh from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $995 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from Sydney for as low as $779 on momondo.

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

As of September 2025, prices for Sydney to Phnom Penh flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Phnom Penh

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

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

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

Direct flights

None
There are no direct flights from Sydney to Phnom Penh. There are no popular flight routes from Sydney to Phnom Penh.
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  • How far is Sydney Kingsford Smith to Phnom Penh Pochentong by plane?

    Sydney Kingsford Smith and Phnom Penh Pochentong are 7026.6 km apart from one another. In terms of flight time, this usually takes a little over 29h 05m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The necessary travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Sydney to Phnom Penh

Compare and see reviews for airlines that fly from Sydney to Phnom Penh with momondo
Airline
Rating
Free cancellation
Price
XiamenAirPriceFrom $646Free cancellationRating
6.6
41 reviews
Search XiamenAir flights
China SouthernPriceFrom $659Free cancellationRating
7.5
110 reviews
Search China Southern flights
Malaysia AirlinesPriceFrom $675Free cancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Vietnam AirlinesPriceFrom $689Free cancellationRating
7.6
201 reviews
Search Vietnam Airlines flights
Singapore AirlinesPriceFrom $705Free cancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
Philippine AirlinesPriceFrom $732Free cancellationRating
7.2
911 reviews
Search Philippine Airlines flights
China EasternPriceFrom $806Free cancellationRating
7.2
165 reviews
Search China Eastern flights
Virgin AustraliaPriceFrom $824Free cancellationRating
7.5
416 reviews
Search Virgin Australia flights
Cathay PacificPriceFrom $901Free cancellationRating
7.6
993 reviews
Search Cathay Pacific flights
Thai AirwaysPriceFrom $1,009Free cancellationRating
7.8
350 reviews
Search Thai Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to Phnom Penh . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Sydney to Phnom Penh on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Sydney to Phnom Penh flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Sydney to Phnom Penh flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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