How long is the flight from Australia to Siem Reap?

Departing from Australia to Siem Reap will take you 20h 05m. Australia and Siem Reap are separated by a distance of 7192 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 Melbourne - Siem Reap–Angkor Intl. You may also consider Sydney Kingsford Smith - Siem Reap–Angkor Intl or Perth - Siem Reap–Angkor Intl.

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.

$402+ 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

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 30 October 2026.

Thu 29/1000:45 -

1 stop20h 45m

Wed 18/1121:30 -

1 stop24h 00m

Deal found 25/10$810

Sun 1/1123:10 -

1 stop16h 40m

Sat 14/1115:35 -

1 stop11h 05m

Deal found 25/10$862

Mon 9/1123:10 -

1 stop16h 40m

Wed 18/1121:30 -

1 stop17h 55m

Deal found 25/10$867

Sun 1/1123:10 -

1 stop16h 40m

Fri 13/1115:35 -

1 stop11h 05m

Deal found 25/10$885

Sat 7/1123:10 -

1 stop16h 40m

Wed 18/1121:30 -

1 stop17h 55m

Deal found 25/10$888

Tue 10/1107:25 -

2 stops32h 25m

Wed 18/1121:30 -

1 stop17h 55m

Deal found 25/10$892

Thu 29/1000:45 -

1 stop17h 55m

Sat 14/1115:35 -

1 stop11h 05m

Deal found 25/10$909

Sun 1/1108:00 -

1 stop9h 05m

Wed 18/1121:30 -

1 stop17h 55m

Deal found 25/10$916

Mon 9/1123:10 -

1 stop16h 40m

Sat 21/1115:35 -

1 stop13h 15m

Deal found 25/10$932

Thu 29/1000:45 -

1 stop17h 55m

Fri 13/1115:35 -

1 stop11h 05m

Deal found 25/10$933

Mon 9/1123:10 -

1 stop16h 40m

Thu 19/1122:25 -

1 stop17h 00m

Deal found 25/10$936

Mon 2/1123:10 -

1 stop16h 40m

Thu 12/1122:25 -

1 stop17h 00m

Deal found 25/10$939

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 30 October 2026.

Sun 21/223:55 -

1 stop20h 05m

Thu 11/310:45 -

1 stop31h 35m

Deal found 25/10$882

Sun 21/212:05 -

2 stops34h 00m

Thu 11/319:05 -

2 stops58h 55m

Deal found 25/10$911

Mon 22/223:55 -

1 stop20h 05m

Mon 8/319:05 -

2 stops34h 55m

Deal found 25/10$914

Thu 19/1100:45 -

3 stops40h 25m

Sun 29/1121:30 -

1 stop24h 00m

Deal found 25/10$1,122

Tue 12/109:15 -

3 stops62h 20m

Thu 28/121:05 -

3 stops54h 25m

Deal found 27/10$2,081

Thu 18/218:10 -

1 stop24h 50m

Sun 21/210:00 -

2 stops17h 00m

Deal found 26/10$1,127

Fri 20/1117:30 -

2 stops25h 35m

Tue 1/1219:05 -

2 stops44h 20m

Deal found 25/10$1,162

Thu 18/218:10 -

1 stop24h 50m

Sun 21/210:45 -

1 stop30h 00m

Deal found 26/10$1,198

Thu 25/304:40 -

1 stop11h 10m

Fri 23/410:00 -

1 stop8h 50m

Deal found 29/10$1,131

Thu 19/1100:45 -

3 stops40h 25m

Tue 1/1220:30 -

2 stops49h 00m

Deal found 25/10$1,294

Thu 18/223:55 -

1 stop14h 00m

Sun 21/219:05 -

2 stops58h 55m

Deal found 26/10$1,141

Sat 21/1111:50 -

1 stop12h 40m

Tue 15/1220:30 -

1 stop12h 45m

Deal found 25/10$1,299

Sun 8/1101:30 -

2 stops44h 35m

Thu 12/1119:05 -

2 stops24h 30m

Deal found 26/10$1,365

Sun 8/1113:25 -

2 stops30h 40m

Wed 18/1121:30 -

1 stop34h 00m

Deal found 26/10$1,146

Sat 21/1111:50 -

1 stop12h 40m

Mon 14/1218:40 -

1 stop11h 10m

Deal found 25/10$1,299

Mon 9/1122:35 -

2 stops20h 15m

Mon 30/1119:05 -

2 stops24h 30m

Deal found 27/10$1,152

Mon 9/1117:30 -

2 stops25h 35m

Sat 21/1119:05 -

2 stops44h 20m

Deal found 25/10$1,429

Tue 1/1218:10 -

1 stop18h 45m

Tue 22/1210:45 -

1 stop21h 00m

Deal found 29/10$1,628

Sun 15/1111:50 -

2 stops33h 05m

Fri 18/1217:05 -

2 stops16h 10m

Deal found 25/10$1,442

Mon 30/1101:30 -

2 stops20h 35m

Mon 28/1219:05 -

2 stops24h 30m

Deal found 30/10$1,458

Sun 15/1115:15 -

2 stops23h 50m

Wed 23/1210:00 -

1 stop15h 00m

Deal found 28/10$1,223

Sat 21/1111:50 -

2 stops33h 05m

Fri 18/1217:05 -

2 stops16h 10m

Deal found 25/10$1,442

Tue 10/1114:35 -

1 stop22h 20m

Tue 29/1210:45 -

1 stop17h 30m

Deal found 26/10$1,762

Mon 1/211:25 -

2 stops25h 10m

Mon 22/215:35 -

1 stop28h 10m

Deal found 26/10$1,256

Wed 2/1223:40 -

2 stops21h 25m

Wed 9/1219:05 -

2 stops24h 05m

Deal found 27/10$1,607

Tue 12/110:15 -

1 stop27h 10m

Thu 28/110:45 -

1 stop27h 05m

Deal found 27/10$1,810

Tue 1/1221:45 -

1 stop15h 10m

Mon 28/1215:35 -

1 stop24h 10m

Deal found 30/10$1,262

Tue 17/1111:50 -

3 stops32h 20m

Sat 12/1221:30 -

1 stop32h 20m

Deal found 25/10$1,560

Tue 17/1111:50 -

2 stops33h 05m

Thu 17/1217:05 -

2 stops16h 10m

Deal found 25/10$1,560

Sun 17/111:25 -

2 stops25h 10m

Sat 13/221:10 -

1 stop27h 50m

Deal found 26/10$1,311

Find flight deals from Australia to Siem Reap

Round-trip from	$636
One-way from	$402
Popular in	January
Cheapest in	October
Average price	$872

7/2-20/2
3 total stops
42h 45m total
Australia to Siem Reap

Search Deals

10/1-31/12
1 total stop
11h 05m total
Australia to Siem Reap

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($719 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($115 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Thu 5/11

00:45-20:30

1 stop20h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

$405

MelbourneSiem Reap

MEL Melbourne - SAI Siem Reap–Angkor Intl

MELSAI

Melbourne

Tue 16/2

07:00-16:00

1 stop13h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$423

BrisbaneSiem Reap

BNE Brisbane - SAI Siem Reap–Angkor Intl

BNESAI

Brisbane

Wed 24/2

18:10-09:55

1 stop18h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$426

SydneySiem Reap

WSI Western Sydney Intl (Nancy-Bird Walton) - SAI Siem Reap–Angkor Intl

WSISAI

Western Sydney Intl (Nancy-Bird Walton)

Wed 17/2

12:05-16:55

2 stops32h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$445

BrisbaneSiem Reap

BNE Brisbane - SAI Siem Reap–Angkor Intl

BNESAI

Brisbane

Thu 21/1

18:10-09:55

1 stop18h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$455

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Mon 16/11

20:50-14:15

2 stops18h 25m

Siem Reap–Angkor Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

$466

MelbourneSiem Reap

MEL Melbourne - SAI Siem Reap–Angkor Intl

MELSAI

Melbourne

Tue 16/2

22:35-14:50

2 stops20h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$479

SydneySiem Reap

WSI Western Sydney Intl (Nancy-Bird Walton) - SAI Siem Reap–Angkor Intl

WSISAI

Western Sydney Intl (Nancy-Bird Walton)

Wed 24/2

12:05-16:10

3 stops32h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$482

SydneySiem Reap

WSI Western Sydney Intl (Nancy-Bird Walton) - SAI Siem Reap–Angkor Intl

WSISAI

Western Sydney Intl (Nancy-Bird Walton)

Wed 10/3

12:05-16:55

2 stops32h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$487

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Tue 17/11

07:25-14:50

2 stops32h 25m

Siem Reap–Angkor Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

$507

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 60 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.

PER-SAI

WSI-SAI

ADL-SAI

BNE-SAI

SYD-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

PER-SAI

WSI-SAI

ADL-SAI

BNE-SAI

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

Currently, October is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $889). Flying from Australia to Siem Reap in January is currently the most expensive (average of $1,908). 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.

Reviews of airlines servicing Siem Reap

Check out reviews from past customers who have flown with Singapore Airlines and Vietnam Airlines 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

1,631 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

1,631 reviews

Singapore Airlines

8.2

Very Good

1,631 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

294 reviews

Singapore Airlines

8.2

Very Good

1,631 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 20h 05m. Australia and Siem Reap are separated by a distance of 7192 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 Melbourne - Siem Reap–Angkor Intl. You may also consider Sydney Kingsford Smith - Siem Reap–Angkor Intl or Perth - 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, October is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $889). Flying from Australia to Siem Reap in January is currently the most expensive (average of $1,908). 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

Other flight options

Popular flights

Alternative routes for Australia to Siem Reap

Melbourne to Siem Reap flights

Sydney to Siem Reap flights

Perth to Siem Reap flights

Brisbane to Siem Reap flights

Adelaide to Siem Reap flights

Coolangatta to Siem Reap flights

Cairns to Siem Reap flights

Top 2 airlines flying from Australia to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$723	Average$1,245	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Vietnam Airlines	Cheapest$775	Average$1,120	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights

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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 $402

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. 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 30 October 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 30 October 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 30 October 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 30 October 2026.

Last-minute flights from Australia to Siem ReapDiscover last-minute flight deals from Australia to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Australia to Siem Reap. Data last updated 30 October 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 30 October 2026.

Search for one-way flight options from Australia to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 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?

Reviews of airlines servicing Siem Reap

Check out reviews from past customers who have flown with Singapore Airlines and Vietnam Airlines 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.

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 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 2 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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Travel Smart

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 30 October 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 30 October 2026.

Last-minute flights from Australia to Siem Reap
Discover last-minute flight deals from Australia to Siem Reap. Data last updated 30 October 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 30 October 2026.