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Cheap flights from Australia to Siem Reap, Cambodia from $235

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAI
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Siem Reap

Enter your travel dates to find the best prices.

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 21 January 2026.

Sun 1/320:40
PER
-
SAI
1 stop13h 40m
Multiple Airlines
Sun 8/318:10
SAI
-
PER
1 stop9h 20m
Multiple Airlines
Deal found 19/1$504
Tue 21/700:30
MEL
-
SAI
2 stops44h 35m
VietJet Air
Thu 6/819:05
SAI
-
MEL
2 stops24h 30m
VietJet Air
Deal found 18/1$735
Tue 10/320:05
SYD
-
SAI
2 stops21h 50m
Multiple Airlines
Tue 24/311:00
SAI
-
SYD
2 stops27h 50m
Multiple Airlines
Deal found 17/1$747
Sun 1/313:35
SYD
-
SAI
2 stops23h 45m
Multiple Airlines
Wed 11/309:05
SAI
-
SYD
2 stops23h 15m
Multiple Airlines
Deal found 18/1$766
Mon 31/810:35
MEL
-
SAI
1 stop10h 40m
Vietnam Airlines
Mon 7/918:05
SAI
-
MEL
1 stop25h 10m
Vietnam Airlines
Deal found 18/1$811
Tue 21/700:30
MEL
-
SAI
1 stop20h 45m
Multiple Airlines
Thu 6/819:10
SAI
-
MEL
1 stop24h 25m
Multiple Airlines
Deal found 18/1$820
Sun 1/306:15
MEL
-
SAI
1 stop11h 40m
Multiple Airlines
Sun 15/309:05
SAI
-
MEL
1 stop15h 55m
Multiple Airlines
Deal found 18/1$824
Tue 21/700:30
MEL
-
SAI
1 stop19h 40m
Vietnam Airlines
Wed 5/819:10
SAI
-
MEL
1 stop10h 25m
Vietnam Airlines
Deal found 18/1$835
Sun 30/800:30
MEL
-
SAI
2 stops44h 35m
VietJet Air
Mon 7/919:05
SAI
-
MEL
2 stops24h 30m
VietJet Air
Deal found 18/1$841
Sat 31/1011:25
MEL
-
SAI
1 stop13h 05m
Vietnam Airlines
Sun 8/1121:30
SAI
-
MEL
1 stop31h 55m
Vietnam Airlines
Deal found 18/1$854
Wed 4/316:10
SYD
-
SAI
1 stop27h 45m
Singapore Airlines
Wed 18/310:45
SAI
-
SYD
1 stop27h 10m
Singapore Airlines
Deal found 19/1$862
Thu 16/710:35
MEL
-
SAI
1 stop10h 40m
Vietnam Airlines
Fri 31/718:05
SAI
-
MEL
1 stop25h 10m
Vietnam Airlines
Deal found 18/1$900

Find flight deals from Australia to Siem Reap

Keep the following information in mind while searching for Australia to Siem Reap flight deals. Data was last updated 21 January 2026.

Round-trip from

$504

One-way from

$235

Popular in

April

Cheapest in

August

Average price

$1,655
1/3-8/3
  • 1/3-8/3
  • 2 total stops
  • 23h 00m total
  • Australia to Siem Reap
Search Deals
9/2
  • 9/2
  • 1 total stop
  • 17h 45m total
  • Australia to Siem Reap
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($167 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($105 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Siem Reap 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, Cheapflights users made 647,157 searches. Data last updated 21 January 2026.
Use the filters below to find and compare flights from Australia to Siem Reap that are best for you.

Fly from

Australia

Fly to

Siem Reap

Route

Depart

Return

Price

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sun 1/3

20:40-09:20

1 stop13h 40m

Siem Reap–Angkor Intl

Sun 8/3

18:10-04:30

1 stop9h 20m

$504

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Sun 1/3

06:15-13:55

1 stop11h 40m

Siem Reap–Angkor Intl

Sun 15/3

09:05-05:00

1 stop15h 55m

$824

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Wed 18/2

23:40-09:10

1 stop12h 30m

Siem Reap–Angkor Intl

Wed 25/2

18:10-05:20

2 stops32h 10m

$847

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 4/3

16:10-15:55

1 stop27h 45m

Siem Reap–Angkor Intl

Wed 18/3

10:45-17:55

1 stop27h 10m

$862

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Thu 16/7

10:35-18:15

1 stop10h 40m

Siem Reap–Angkor Intl

Fri 31/7

18:05-22:15

1 stop25h 10m

$900

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Fri 26/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Sat 11/7

19:05-07:20

2 stops33h 15m

$1,035

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Wed 15/7

00:30-18:05

2 stops44h 35m

Siem Reap–Angkor Intl

Fri 31/7

19:05-22:35

2 stops24h 30m

$1,047

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Thu 16/7

10:35-18:15

1 stop10h 40m

Siem Reap–Angkor Intl

Fri 31/7

17:10-22:15

2 stops26h 05m

$1,086

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 25/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Sun 12/7

19:05-07:20

2 stops33h 15m

$1,101

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 24/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Sat 11/7

19:05-07:20

2 stops33h 15m

$1,101

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Showing 1-10 of 25 results
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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.
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

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

Currently, May is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $561). Flying from Australia to Siem Reap in January is currently the most expensive (average of $914). 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

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated 21 January 2026.
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
8.1
Very Good
1,434 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.0

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Singapore Airlines
8.1
Very Good
1,434 reviews
Singapore Airlines
8.1
Very Good
1,434 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.0

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Vietnam Airlines
7.6
Good
220 reviews
Singapore Airlines
8.1
Very Good
1,434 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.0

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Virgin Australia
7.6
Good
430 reviews
Singapore Airlines
8.1
Very Good
1,434 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.0

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Related info for your journey

Find useful and relevant information for your journey from Australia to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 10h 40m. Australia and Siem Reap are separated by a distance of 7078 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Australia to Siem Reap one-way?

    One-way options have recently been found by users for as low as $226 on AirAsia. Other airlines that offer cheap prices include Vietnam Airlines from $506 and Singapore Airlines from $518 one-way.

  • 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 Brisbane - Siem Reap–Angkor Intl or Sydney Kingsford Smith - 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, May is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $561). Flying from Australia to Siem Reap in January is currently the most expensive (average of $914). 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

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

Top 3 airlines flying from Australia to Siem Reap

Discover the top 3 airlines that operate flights from Australia to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$679Average$1,117FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest$727Average$1,031FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Virgin AustraliaCheapest$1,129Average$1,271FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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