How long is the flight from Region of Siem Reap to Sydney?

A quick flight from Region of Siem Reap to Sydney can take about 33h 15m. VietJet Air provides one of the quickest options available for as low as $1,468. The distance from Region of Siem Reap to Sydney is about 7229 km. Both multi-stop and direct flights can be found to your destination and back.

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 SI to SYD?

When flying from Region of Siem Reap to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Sydney from Siem Reap?

Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Siem Reap.

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.

$747+ Cheap Flights from Siem Reap to Sydney

Cheap flight deals from Siem Reap to Sydney

Enter your travel dates to find the best prices.

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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 24 August 2026.

Mon 24/815:35 -

1 stop24h 25m

Wed 2/920:50 -

2 stops25h 00m

Deal found 19/8$1,122

Tue 25/819:05 -

2 stops32h 10m

Wed 2/913:00 -

2 stops28h 50m

Deal found 19/8$1,202

Wed 7/1019:05 -

2 stops33h 15m

Wed 14/1011:15 -

1 stop11h 05m

Deal found 23/8$1,336

Wed 7/1019:05 -

2 stops33h 15m

Wed 14/1011:15 -

2 stops34h 50m

Deal found 23/8$1,468

Wed 7/1009:35 -

1 stop19h 40m

Wed 14/1011:15 -

1 stop11h 05m

Deal found 23/8$1,990

Find flight deals from Siem Reap to Sydney

Round-trip from	$1,336
One-way from	$747

Vietnam Airlines
7/10-14/10
3 total stops
44h 20m total
Siem Reap to Sydney

Search Deals

3/1
2 total stops
43h 45m total
Siem Reap to Sydney

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Wed 7/10

19:05-08:20

2 stops33h 15m

Sydney Kingsford Smith

Wed 14/10

11:15-18:20

1 stop11h 05m

$1,336

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Wed 7/10

19:05-08:20

2 stops33h 15m

Sydney Kingsford Smith

Wed 14/10

11:15-18:05

2 stops34h 50m

$1,468

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Wed 7/10

19:10-13:15

2 stops38h 05m

Sydney Kingsford Smith

Wed 14/10

11:15-16:25

3 stops33h 10m

$2,129

Cheapest one-way

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Tue 1/9

19:05-08:15

3 stops58h 10m

$1,485

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Wed 2/9

11:55-08:15

3 stops41h 20m

$1,641

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Mon 31/8

19:10-07:35

2 stops33h 25m

$2,139

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Tue 1/9

18:05-12:15

1 stop15h 10m

$2,659

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Wed 2/9

22:35-08:15

1 stop30h 40m

$3,200

Fastest single journey

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sat 29/8

16:40-08:15

1 stop12h 35m

$3,233

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Sorted 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.

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Everything you need to know about your flight from Siem Reap to Sydney

KHSI-SYD

SAI-SYD

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Sydney from Siem Reap?
Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Siem Reap.
How long is the flight from Region of Siem Reap to Sydney?
A quick flight from Region of Siem Reap to Sydney can take about 33h 15m. VietJet Air provides one of the quickest options available for as low as $1,468. The distance from Region of Siem Reap to Sydney is about 7229 km. Both multi-stop and direct flights can be found to your destination and back.
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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Cheapflights helps you search for flights from Siem Reap to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Siem Reap to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Sydney from Siem Reap? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights 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 to Sydney from $747

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 3/1. 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 24 August 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 24 August 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 24 August 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 24 August 2026.

Last-minute flights from Siem Reap to SydneyDiscover last-minute flight deals from Siem Reap to Sydney. Data last updated 24 August 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Sydney. Data last updated 24 August 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 24 August 2026.

Search for one-way flight options from Siem Reap to Sydney. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

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Best time to book a flight from Siem Reap to Sydney

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Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Sydney from Siem Reap?

How long is the flight from Region of Siem Reap to Sydney?

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.

Alternative routes for Siem Reap to Sydney

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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 24 August 2026.

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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 24 August 2026.

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

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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 24 August 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 24 August 2026.

Last-minute flights from Siem Reap to Sydney
Discover last-minute flight deals from Siem Reap to Sydney. Data last updated 24 August 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 24 August 2026.