How long is the flight from Australia to Siem Reap?

Departing from Australia to Siem Reap will take you 12h 40m. Australia and Siem Reap are separated by a distance of 7229 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Siem Reap, 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 24.0 C).

What are the most popular routes from Australia to Siem Reap?

The most popular route from Australia to Siem Reap is Sydney Kingsford Smith - Siem Reap–Angkor Intl. You may also consider Melbourne - Siem Reap–Angkor Intl or Brisbane - Siem Reap–Angkor Intl.

What are the most popular airlines that fly from Australia to Siem Reap?

Before booking your flight from Australia to Siem Reap, check out the most popular airlines for this route: Singapore Airlines, Vietnam Airlines or Virgin Australia.

What is the cheapest time of day to fly from AU to SAI?

When flying from Australia to Siem Reap, 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 Siem Reap from Australia?

Siem Reap–Angkor Intl (SAI), located 39.7 km from the city centre, is the airport you fly into when you book flights from Australia to Siem Reap.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Australia to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$415+ Cheap Flights from Australia to Siem Reap, Cambodia

Cheap flight deals from Australia to Siem Reap

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Australia to Siem Reap
Explore the most affordable flight options available from Australia to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2026.

Wed 28/1011:50 -

1 stop12h 40m

Wed 11/1121:30 -

1 stop32h 20m

Deal found 28/8$776

Tue 20/1011:15 -

1 stop11h 05m

Tue 27/1018:40 -

1 stop11h 10m

Deal found 31/8$798

Tue 20/1011:15 -

1 stop11h 05m

Wed 28/1021:30 -

1 stop32h 20m

Deal found 31/8$804

Mon 19/1015:15 -

1 stop29h 55m

Wed 18/1121:30 -

1 stop32h 20m

Deal found 29/8$806

Tue 10/1111:50 -

1 stop12h 40m

Sun 15/1118:40 -

1 stop11h 10m

Deal found 29/8$811

Fri 6/1115:15 -

1 stop32h 25m

Fri 13/1117:55 -

1 stop15h 20m

Deal found 2/9$812

Fri 13/1111:50 -

1 stop12h 40m

Sat 28/1121:30 -

1 stop32h 20m

Deal found 1/9$816

Mon 19/1011:15 -

1 stop11h 05m

Tue 27/1021:30 -

1 stop32h 20m

Deal found 31/8$825

Wed 21/1015:15 -

2 stops29h 10m

Wed 28/1018:40 -

1 stop11h 10m

Deal found 31/8$864

Tue 3/1111:25 -

1 stop10h 15m

Tue 10/1121:30 -

1 stop31h 55m

Deal found 1/9$918

Wed 28/1011:50 -

1 stop12h 40m

Wed 11/1119:05 -

2 stops34h 55m

Deal found 28/8$964

Sat 7/1111:50 -

1 stop12h 40m

Fri 20/1115:10 -

1 stop14h 40m

Deal found 29/8$966

Best flights from Australia to Siem Reap
Discover carefully curated flight deals from Australia to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Tue 10/1111:50 -

1 stop12h 40m

Sun 15/1119:05 -

2 stops37h 05m

Deal found 29/8$964

Mon 1/310:15 -

1 stop33h 15m

Mon 15/310:45 -

1 stop18h 35m

Deal found 2/9$1,027

Sat 14/1111:50 -

1 stop12h 40m

Mon 23/1121:30 -

1 stop32h 20m

Deal found 28/8$1,094

Thu 1/1010:15 -

2 stops34h 50m

Sun 11/1019:05 -

2 stops57h 15m

Deal found 29/8$1,328

Fri 13/1111:25 -

2 stops25h 25m

Sat 28/1119:10 -

2 stops34h 15m

Deal found 1/9$1,083

Fri 25/910:35 -

1 stop10h 45m

Sat 10/1017:20 -

2 stops25h 55m

Deal found 2/9$1,153

Tue 10/1114:35 -

1 stop22h 20m

Tue 29/1216:50 -

1 stop11h 25m

Deal found 2/9$1,186

Mon 23/1107:45 -

2 stops38h 20m

Fri 4/1210:10 -

1 stop14h 50m

Deal found 2/9$1,112

Wed 4/1110:15 -

1 stop27h 10m

Wed 18/1110:45 -

1 stop27h 05m

Deal found 31/8$1,221

Tue 3/1123:30 -

2 stops18h 55m

Tue 10/1121:30 -

2 stops20h 00m

Deal found 1/9$1,115

Fri 30/1001:30 -

2 stops44h 35m

Sun 8/1119:05 -

2 stops24h 30m

Deal found 28/8$1,358

Mon 5/1011:15 -

1 stop30h 00m

Sat 17/1021:50 -

2 stops31h 25m

Deal found 31/8$1,294

Mon 1/307:15 -

2 stops16h 45m

Mon 15/318:40 -

2 stops20h 50m

Deal found 2/9$1,153

Sat 31/1011:25 -

2 stops33h 30m

Sun 8/1121:30 -

1 stop31h 55m

Deal found 31/8$1,339

Sat 31/1006:15 -

1 stop12h 45m

Sun 8/1119:05 -

2 stops24h 30m

Deal found 28/8$1,173

Thu 17/910:15 -

2 stops33h 55m

Thu 24/918:05 -

1 stop15h 10m

Deal found 31/8$1,363

Fri 2/1018:10 -

1 stop18h 30m

Fri 9/1010:30 -

1 stop27h 25m

Deal found 31/8$1,532

Sat 14/1115:15 -

2 stops27h 10m

Mon 23/1119:05 -

2 stops34h 55m

Deal found 28/8$1,216

Mon 11/118:35 -

1 stop18h 50m

Fri 29/116:50 -

1 stop21h 00m

Deal found 30/8$1,537

Mon 21/916:20 -

1 stop17h 40m

Mon 28/912:55 -

1 stop17h 50m

Deal found 30/8$1,261

Mon 9/1114:35 -

1 stop28h 25m

Mon 4/116:50 -

1 stop14h 55m

Deal found 2/9$1,560

Mon 5/1021:50 -

1 stop21h 00m

Sat 17/1015:35 -

1 stop13h 45m

Deal found 2/9$1,295

Sat 3/1014:45 -

1 stop27h 25m

Fri 9/1016:00 -

1 stop21h 55m

Deal found 30/8$1,588

Mon 11/106:25 -

2 stops31h 00m

Fri 29/110:45 -

3 stops27h 05m

Deal found 30/8$1,364

Sat 6/212:15 -

2 stops33h 30m

Wed 24/219:25 -

2 stops24h 55m

Deal found 29/8$1,402

Fri 1/118:35 -

1 stop18h 50m

Sun 31/110:45 -

1 stop27h 05m

Deal found 29/8$1,901

Sat 12/917:35 -

1 stop18h 35m

Sat 26/910:30 -

1 stop27h 20m

Deal found 31/8$1,948

Mon 4/100:45 -

2 stops19h 55m

Sat 16/121:30 -

2 stops26h 50m

Deal found 29/8$1,800

Find flight deals from Australia to Siem Reap

Round-trip from	$776
One-way from	$415
Popular in	December
Cheapest in	June
Average price	$1,340

Vietnam Airlines
28/10-11/11
2 total stops
45h 00m total
Australia to Siem Reap

Search Deals

Vietnam Airlines
16/2
1 total stop
13h 05m total
Australia to Siem Reap

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($330 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($77 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySiem Reap

SYD Sydney Kingsford Smith - SAI Siem Reap–Angkor Intl

SYDSAI

Sydney Kingsford Smith

Tue 10/11

11:50-20:30

1 stop12h 40m

Siem Reap–Angkor Intl

Sun 15/11

19:05-12:10

2 stops37h 05m

$964

AdelaideSiem Reap

ADL Adelaide - SAI Siem Reap–Angkor Intl

ADLSAI

Adelaide

Mon 1/3

10:15-16:00

1 stop33h 15m

Siem Reap–Angkor Intl

Mon 15/3

10:45-08:50

1 stop18h 35m

$1,027

SydneySiem Reap

SYD Sydney Kingsford Smith - SAI Siem Reap–Angkor Intl

SYDSAI

Sydney Kingsford Smith

Fri 13/11

11:25-08:50

2 stops25h 25m

Siem Reap–Angkor Intl

Sat 28/11

19:10-09:25

2 stops34h 15m

$1,083

SydneySiem Reap

SYD Sydney Kingsford Smith - SAI Siem Reap–Angkor Intl

SYDSAI

Sydney Kingsford Smith

Sat 14/11

11:50-20:30

1 stop12h 40m

Siem Reap–Angkor Intl

Mon 23/11

21:30-09:50

1 stop32h 20m

$1,094

MelbourneSiem Reap

MEL Melbourne - SAI Siem Reap–Angkor Intl

MELSAI

Melbourne

Mon 23/11

07:45-18:05

2 stops38h 20m

Siem Reap–Angkor Intl

Fri 4/12

10:10-05:00

1 stop14h 50m

$1,112

MelbourneSiem Reap

MEL Melbourne - SAI Siem Reap–Angkor Intl

MELSAI

Melbourne

Tue 3/11

23:30-14:25

2 stops18h 55m

Siem Reap–Angkor Intl

Tue 10/11

21:30-21:30

2 stops20h 00m

$1,115

MelbourneSiem Reap

MEL Melbourne - SAI Siem Reap–Angkor Intl

MELSAI

Melbourne

Fri 25/9

10:35-18:20

1 stop10h 45m

Siem Reap–Angkor Intl

Sat 10/10

17:20-23:15

2 stops25h 55m

$1,153

AdelaideSiem Reap

ADL Adelaide - SAI Siem Reap–Angkor Intl

ADLSAI

Adelaide

Mon 1/3

07:15-20:30

2 stops16h 45m

Siem Reap–Angkor Intl

Mon 15/3

18:40-19:00

2 stops20h 50m

$1,153

MelbourneSiem Reap

MEL Melbourne - SAI Siem Reap–Angkor Intl

MELSAI

Melbourne

Sat 31/10

06:15-15:00

1 stop12h 45m

Siem Reap–Angkor Intl

Sun 8/11

19:05-23:35

2 stops24h 30m

$1,173

Fastest return journey

BrisbaneSiem Reap

BNE Brisbane - SAI Siem Reap–Angkor Intl

BNESAI

Brisbane

Tue 10/11

14:35-09:55

1 stop22h 20m

Siem Reap–Angkor Intl

Tue 29/12

16:50-07:15

1 stop11h 25m

$1,186

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 58 resultsSorted by cheapest first

...

Best time to book a flight from Australia to Siem Reap

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

MEL-SAI

ADL-SAI

BNE-SAI

SYD-SAI

OOL-SAI

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 Australia to Siem Reap

AU0-SAI

MEL-SAI

ADL-SAI

BNE-SAI

SYD-SAI

What is the cheapest month to book a flight from Australia to Siem Reap?

Currently, August is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $918). Flying from Australia to Siem Reap in December is currently the most expensive (average of $1,444). 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.

How far ahead should I book a flight from Australia to Siem Reap?

The best time to book flights from Australia to Siem Reap is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Siem Reap

Check out reviews from past customers who have flown with Singapore Airlines,Vietnam Airlines, andVirgin Australia from Australia to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,593 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Singapore Airlines

8.2

Very Good

1,593 reviews

Singapore Airlines

8.2

Very Good

1,593 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Vietnam Airlines

7.7

Good

286 reviews

Singapore Airlines

8.2

Very Good

1,593 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Virgin Australia

7.6

Good

474 reviews

Singapore Airlines

8.2

Very Good

1,593 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

What airport do you fly into for flights to Siem Reap from Australia?
Siem Reap–Angkor Intl (SAI), located 39.7 km from the city centre, is the airport you fly into when you book flights from Australia to Siem Reap.
How long is the flight from Australia to Siem Reap?
Departing from Australia to Siem Reap will take you 12h 40m. Australia and Siem Reap are separated by a distance of 7229 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Australia to Siem Reap?
The most popular route from Australia to Siem Reap is Sydney Kingsford Smith - Siem Reap–Angkor Intl. You may also consider Melbourne - Siem Reap–Angkor Intl or Brisbane - Siem Reap–Angkor Intl.
Can I find deals for flights from Australia to Siem Reap that include hotel bookings?
Yes. In addition to deals on Australia to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Australia to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Siem Reap.
Can I find deals for business class flights from Australia to Siem Reap?
Yes. Cheapflights offers flight deals from Australia to Siem Reap 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 Australia to Siem Reap?
Currently, August is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $918). Flying from Australia to Siem Reap in December is currently the most expensive (average of $1,444). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

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Popular flights

Alternative routes for Australia to Siem Reap

Melbourne to Siem Reap flights

Sydney to Siem Reap flights

Brisbane to Siem Reap flights

Adelaide to Siem Reap flights

Coolangatta to Siem Reap flights

Cairns to Siem Reap flights

Perth to Siem Reap flights

Top 3 airlines flying from Australia to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$711	Average$1,163	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Vietnam Airlines	Cheapest$775	Average$1,128	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Virgin Australia	Cheapest$1,062	Average$1,195	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Siem Reap from Australia.

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

Certainly. Search results for flights to Siem Reap from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Australia to Siem Reap flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Australia to Siem Reap, Cambodia from $415

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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Australia to Siem Reap

Cheapest flights from Australia to Siem ReapExplore the most affordable flight options available from Australia to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2026.

Explore the most affordable flight options available from Australia to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2026.

Best flights from Australia to Siem ReapDiscover carefully curated flight deals from Australia to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Discover carefully curated flight deals from Australia to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Direct flights from Australia to Siem ReapExplore direct flight options from Australia to Siem Reap based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Explore direct flight options from Australia to Siem Reap based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Last-minute flights from Australia to Siem ReapDiscover last-minute flight deals from Australia to Siem Reap. Data last updated 2 September 2026 and is based on user searches.

Discover last-minute flight deals from Australia to Siem Reap. Data last updated 2 September 2026 and is based on user searches.

One-way flights from Australia to Siem ReapSearch for one-way flight options from Australia to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Search for one-way flight options from Australia to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Find flight deals from Australia to Siem Reap

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Australia to Siem Reap

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

Cheapflights Insights

What is the cheapest month to book a flight from Australia to Siem Reap?

How far ahead should I book a flight from Australia to Siem Reap?

The best time to book flights from Australia to Siem Reap is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Siem Reap

Related info for your journey

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

How long is the flight from Australia to Siem Reap?

What are the most popular routes from Australia to Siem Reap?

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

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

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

What is the cheapest month to book a flight from Australia to Siem Reap?

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 Australia to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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

Search flights from Australia to Siem Reap by cabin class

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

Australia and Siem Reap flights

Browse other Australia and Siem Reap flight options. Last updated on 2 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 3 airlines flying from Australia to Siem Reap

Fly with Cheapflights

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

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

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

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

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Cheapest flights from Australia to Siem Reap
Explore the most affordable flight options available from Australia to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2026.

Best flights from Australia to Siem Reap
Discover carefully curated flight deals from Australia to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Direct flights from Australia to Siem Reap
Explore direct flight options from Australia to Siem Reap based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Last-minute flights from Australia to Siem Reap
Discover last-minute flight deals from Australia to Siem Reap. Data last updated 2 September 2026 and is based on user searches.

One-way flights from Australia to Siem Reap
Search for one-way flight options from Australia to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.