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Cheap flights from Australia to Siem Reap, Cambodia from $355

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAI
22 Apr — 29 Apr1
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 23 March 2026.

Mon 14/901:35
PER
-
SAI
1 stop14h 15m
Multiple Airlines
Sat 19/919:05
SAI
-
PER
2 stops36h 50m
Multiple Airlines
Deal found 20/3$705
Fri 2/1020:50
SYD
-
SAI
1 stop21h 00m
Multiple Airlines
Tue 27/1019:05
SAI
-
SYD
2 stops33h 00m
Multiple Airlines
Deal found 20/3$723
Fri 2/1010:15
SYD
-
SAI
2 stops34h 50m
VietJet Air
Tue 27/1019:05
SAI
-
SYD
2 stops33h 00m
VietJet Air
Deal found 20/3$772
Tue 4/805:15
MEL
-
SAI
1 stop12h 35m
Multiple Airlines
Tue 11/819:05
SAI
-
MEL
2 stops48h 30m
Multiple Airlines
Deal found 19/3$780
Fri 30/1001:30
MEL
-
SAI
2 stops20h 35m
VietJet Air
Sun 8/1119:05
SAI
-
MEL
2 stops24h 30m
VietJet Air
Deal found 22/3$807
Fri 7/810:15
SYD
-
SAI
1 stop25h 30m
Multiple Airlines
Mon 24/815:00
SAI
-
SYD
1 stop13h 20m
Multiple Airlines
Deal found 21/3$839
Sat 31/1019:25
MEL
-
SAI
1 stop24h 30m
Singapore Airlines
Sun 8/1110:45
SAI
-
MEL
1 stop21h 25m
Singapore Airlines
Deal found 22/3$877
Tue 12/505:15
MEL
-
SAI
1 stop12h 35m
Multiple Airlines
Wed 20/509:45
SAI
-
MEL
2 stops23h 00m
Multiple Airlines
Deal found 19/3$893
Mon 23/321:50
SYD
-
SAI
1 stop21h 10m
Multiple Airlines
Sat 28/309:55
SAI
-
SYD
2 stops30h 25m
Multiple Airlines
Deal found 19/3$1,185
Thu 30/418:10
BNE
-
SAI
1 stop42h 30m
Singapore Airlines
Sat 30/510:30
SAI
-
BNE
1 stop51h 25m
Singapore Airlines
Deal found 22/3$1,216
Thu 30/412:20
BNE
-
SAI
2 stops23h 45m
Multiple Airlines
Sat 30/513:05
SAI
-
BNE
2 stops18h 45m
Multiple Airlines
Deal found 22/3$1,326
Mon 6/420:50
SYD
-
SAI
1 stop21h 00m
Multiple Airlines
Mon 20/415:35
SAI
-
SYD
1 stop25h 00m
Multiple Airlines
Deal found 21/3$1,364

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 23 March 2026.

Round-trip from

$695

One-way from

$355

Popular in

December

Cheapest in

September

Average price

$1,057
15/9-19/9
  • 15/9-19/9
  • 2 total stops
  • 24h 00m total
  • Australia to Siem Reap
Search Deals
16/6
  • 16/6
  • 1 total stop
  • 15h 25m total
  • Australia to Siem Reap
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($413 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($80 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 23 March 2026.
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

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Tue 12/5

05:15-14:50

1 stop12h 35m

Siem Reap–Angkor Intl

Wed 20/5

09:45-11:45

2 stops23h 00m

$893

PerthSiem Reap

PER - SAI

PERSAI

Perth

Wed 8/4

20:50-14:50

1 stop19h 00m

Siem Reap–Angkor Intl

Thu 16/4

15:35-04:15

1 stop11h 40m

$956

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Tue 12/5

10:35-18:20

1 stop10h 45m

Siem Reap–Angkor Intl

Thu 21/5

15:00-08:35

1 stop14h 35m

$995

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Mon 25/5

15:25-13:15

1 stop24h 50m

Siem Reap–Angkor Intl

Mon 8/6

15:00-09:50

1 stop15h 50m

$1,049

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Thu 2/7

10:35-08:45

1 stop25h 10m

Siem Reap–Angkor Intl

Thu 23/7

09:45-08:35

1 stop19h 50m

$1,054

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Fri 19/6

00:30-16:10

2 stops18h 40m

Siem Reap–Angkor Intl

Sat 27/6

22:35-22:35

1 stop21h 00m

$1,173

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Thu 30/4

18:10-09:40

1 stop42h 30m

Siem Reap–Angkor Intl

Sat 30/5

10:30-16:55

1 stop51h 25m

$1,216
Fastest return journey

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Tue 4/8

23:30-09:15

1 stop12h 45m

Siem Reap–Angkor Intl

Tue 11/8

19:10-08:35

1 stop10h 25m

$1,274

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Thu 30/4

12:20-09:05

2 stops23h 45m

Siem Reap–Angkor Intl

Sat 30/5

13:05-10:50

2 stops18h 45m

$1,326

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Tue 12/5

11:00-20:10

3 stops36h 10m

Siem Reap–Angkor Intl

Wed 20/5

21:10-10:00

2 stops57h 50m

$1,364

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 44 resultsSorted by cheapest first
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5

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, June is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $607). Flying from Australia to Siem Reap in January is currently the most expensive (average of $873). 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 23 March 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
8.2
Very Good
1,484 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Entertainment

8.0

Boarding

8.3

Crew

8.6

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
8.2
Very Good
1,484 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Entertainment

8.0

Boarding

8.3

Crew

8.6

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
7.7
Good
245 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Entertainment

8.0

Boarding

8.3

Crew

8.6

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
449 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Entertainment

8.0

Boarding

8.3

Crew

8.6

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 11h 05m. 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 Melbourne - Siem Reap–Angkor Intl. You may also consider Perth - 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, June is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $607). Flying from Australia to Siem Reap in January is currently the most expensive (average of $873). 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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$651Average$1,104FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest$714Average$1,025FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Virgin AustraliaCheapest$1,083Average$1,218FlexibilityNo 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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