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 is the cheapest time of day to fly from SAI to SYD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Siem Reap to Sydney as you normally would.

Can I find deals for flights from Siem Reap to Sydney that include hotel bookings?

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

How can I find direct flights from Siem Reap to Sydney?

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

Can I find deals for business class flights from Siem Reap to Sydney?

Yes. Cheapflights offers flight deals from Siem Reap 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.

$453+ Cheap Flights from Siem Reap, Cambodia to Sydney

Cheap flight deals from Siem Reap to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Siem Reap to Sydney
Explore the most affordable flight options available from Siem Reap to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Fri 25/1219:05 -

2 stops34h 55m

Sun 10/122:15 -

1 stop15h 00m

Deal found 9/11$1,011

Thu 12/1118:40 -

1 stop11h 20m

Mon 8/220:05 -

2 stops22h 45m

Deal found 7/11$1,030

Mon 28/1215:35 -

2 stops16h 35m

Sun 10/120:05 -

2 stops17h 10m

Deal found 6/11$1,482

Mon 28/1209:50 -

1 stop22h 05m

Sun 10/115:25 -

1 stop21h 20m

Deal found 6/11$1,896

Thu 12/1121:05 -

3 stops32h 55m

Mon 8/211:15 -

2 stops36h 50m

Deal found 7/11$2,111

Find flight deals from Siem Reap to Sydney

Round-trip from	$1,011
One-way from	$453

25/12-10/1
3 total stops
49h 55m total
Siem Reap to Sydney

Search Deals

VietJet Air
20/12-31/12
2 total stops
58h 55m total
Siem Reap to Sydney

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sun 20/12

19:05-10:00

2 stops58h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$453

Fastest return journey

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sun 20/12

10:20-10:00

1 stop19h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$500

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Thu 25/2

16:50-18:50

2 stops22h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$543

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Fri 26/2

21:30-06:30

3 stops29h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$681

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Thu 28/1

21:10-11:50

3 stops34h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$732

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Tue 26/1

15:35-11:50

3 stops40h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$765

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Mon 25/1

10:00-22:20

3 stops32h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$897

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sun 24/1

18:55-06:30

2 stops31h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$920

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sat 23/1

21:10-07:10

1 stop30h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

$934

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Fri 25/12

19:05-10:00

2 stops34h 55m

Sydney Kingsford Smith

Sun 10/1

22:15-09:15

1 stop15h 00m

$1,011

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 14 resultsSorted by cheapest first

Best time to book a flight from Siem Reap to Sydney

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

SAI-SYD

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.

Related info for your journey

Can I find deals for flights from Siem Reap to Sydney that include hotel bookings?
Yes. In addition to deals on Siem Reap to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Siem Reap to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Sydney.
Can I find deals for business class flights from Siem Reap to Sydney?
Yes. Cheapflights offers flight deals from Siem Reap 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.

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Direct flights to New South Wales

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Sydney flight routes

Complete your trip

Sydney car hire

Sydney Kingsford Smith Airport car hire

Newcastle Williamtown Airport car hire

Bathurst Raglan Airport car hire

Newcastle car hire

Ballina car hire

Wagga Wagga car hire

Coffs Harbour car hire

Tamworth car hire

Albury car hire

Port Macquarie car hire

Moree car hire

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How does Cheapflights help users find flights from Siem Reap to Sydney?

Deals for Siem Reap to Sydney 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 Siem Reap to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Siem Reap 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 Siem Reap to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Siem Reap to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Siem Reap to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Siem Reap today and book when prices fit your budget.

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Cheap flights from Siem Reap, Cambodia to Sydney from $453

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Siem Reap to Sydney

Cheapest flights from Siem Reap to SydneyExplore the most affordable flight options available from Siem Reap to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Explore the most affordable flight options available from Siem Reap to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Best flights from Siem Reap to SydneyDiscover carefully curated flight deals from Siem Reap to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Discover carefully curated flight deals from Siem Reap to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Last-minute flights from Siem Reap to SydneyDiscover last-minute flight deals from Siem Reap to Sydney. Data last updated 9 November 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Sydney. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Siem Reap to SydneySearch for one-way flight options from Siem Reap to Sydney. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

Search for one-way flight options from Siem Reap to Sydney. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

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

Best time to book a flight from Siem Reap to Sydney

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

Related info for your journey

Can I find deals for flights from Siem Reap to Sydney that include hotel bookings?

How can I find direct flights from Siem Reap to Sydney?

Can I find deals for business class flights from Siem Reap to Sydney?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

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

Direct flights to New South Wales

Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from Siem Reap to Sydney by cabin class

Find flights from Siem Reap to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Siem Reap and Sydney flights

Browse other Siem Reap and Sydney flight options. Last updated on 9 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.

Fly with Cheapflights

How does Cheapflights help users find flights from Siem Reap to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Siem Reap to Sydney?

Can Cheapflights find flights from Siem Reap to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Siem Reap to Sydney become cheaper?

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Book with flexibility

Travel Smart

Cheapest flights from Siem Reap to Sydney
Explore the most affordable flight options available from Siem Reap to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Best flights from Siem Reap to Sydney
Discover carefully curated flight deals from Siem Reap to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Last-minute flights from Siem Reap to Sydney
Discover last-minute flight deals from Siem Reap to Sydney. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Siem Reap to Sydney
Search for one-way flight options from Siem Reap to Sydney. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.