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Cheap flights from Australia to Siem Reap from $497

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Siem Reap departing on 25/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Siem Reap

Recent return flight deals from Australia to Siem Reap

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:50 - 14:50
PER
-
SAI
19h 00m
1 stop
Multiple Airlines Logo
10:00 - 19:50
SAI
-
PER
8h 50m
1 stop
$681Multiple Airlines
Mon, 10 Aug - Mon, 24 Aug
Multiple Airlines Logo
04:45 - 14:50
PER
-
SAI
11h 05m
1 stop
Multiple Airlines Logo
10:00 - 19:50
SAI
-
PER
8h 50m
1 stop
$737Multiple Airlines
Tue, 15 Sep - Wed, 30 Sep
Multiple Airlines Logo
20:50 - 14:50
PER
-
SAI
19h 00m
1 stop
Multiple Airlines Logo
19:05 - 17:10
SAI
-
PER
45h 05m
3 stops
$743Multiple Airlines
Mon, 10 Aug - Mon, 24 Aug
Multiple Airlines Logo
05:35 - 14:50
PER
-
SAI
34h 15m
3 stops
Multiple Airlines Logo
15:35 - 03:45
SAI
-
PER
11h 10m
1 stop
$772Multiple Airlines
Tue, 15 Sep - Wed, 30 Sep
Vietnam Airlines Logo
10:35 - 18:20
MEL
-
SAI
10h 45m
1 stop
Vietnam Airlines Logo
09:35 - 08:35
SAI
-
MEL
20h 00m
1 stop
$884Vietnam Airlines
Thu, 30 Jul - Thu, 27 Aug
Vietnam Airlines Logo
11:35 - 13:15
MEL
-
SAI
29h 40m
1 stop
Vietnam Airlines Logo
18:05 - 23:15
SAI
-
MEL
25h 10m
1 stop
$889Vietnam Airlines
Wed, 7 Oct - Mon, 19 Oct
VietJet Air Logo
01:30 - 18:05
MEL
-
SAI
20h 35m
2 stops
VietJet Air Logo
19:05 - 23:35
SAI
-
MEL
24h 30m
2 stops
$913VietJet Air
Tue, 6 Oct - Mon, 19 Oct
VietJet Air Logo
12:05 - 18:05
SYD
-
SAI
34h 00m
2 stops
VietJet Air Logo
19:05 - 10:00
SAI
-
SYD
34h 55m
2 stops
$916VietJet Air
Wed, 11 Nov - Wed, 25 Nov
Singapore Airlines Logo
18:10 - 15:55
BNE
-
SAI
24h 45m
1 stop
Singapore Airlines Logo
10:45 - 10:45
SAI
-
BNE
21h 00m
1 stop
$1,079Singapore Airlines
Tue, 10 Nov - Tue, 29 Dec
Singapore Airlines Logo
18:10 - 15:55
BNE
-
SAI
24h 45m
1 stop
Singapore Airlines Logo
10:45 - 10:45
SAI
-
BNE
21h 00m
1 stop
$1,082Singapore Airlines
Tue, 10 Nov - Tue, 29 Dec

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Singapore Airlines flights from Australia to Siem Reap

Our best Singapore Airlines deals on Australia to Siem Reap flight tickets
Singapore Airlines
10 Nov
BNE18:10Brisbane
24h 45m
1 stop
SAI15:55Siem Reap–Angkor Intl
29 Dec
SAI10:45Siem Reap–Angkor Intl
21h 00m
1 stop
BNE10:45Brisbane
$1,079
Singapore Airlines
4 Aug
MEL18:25Melbourne
18h 15m
1 stop
SAI09:40Siem Reap–Angkor Intl
5 Sept
SAI10:30Siem Reap–Angkor Intl
45h 30m
1 stop
MEL11:00Melbourne
$1,080
Singapore Airlines
10 Nov
BNE18:10Brisbane
24h 45m
1 stop
SAI15:55Siem Reap–Angkor Intl
29 Dec
SAI10:45Siem Reap–Angkor Intl
21h 00m
1 stop
BNE10:45Brisbane
$1,082

Philippine Airlines flights from Australia to Siem Reap

Our best Philippine Airlines deals on Australia to Siem Reap flight tickets
Philippine Airlines
26 Aug
BNE11:20Brisbane
34h 35m
2 stops
SAI18:55Siem Reap–Angkor Intl
6 Sept
SAI19:35Siem Reap–Angkor Intl
35h 30m
2 stops
BNE10:05Brisbane
$1,689
Philippine Airlines
29 Aug
BNE11:20Brisbane
34h 35m
2 stops
SAI18:55Siem Reap–Angkor Intl
13 Sept
SAI12:55Siem Reap–Angkor Intl
42h 10m
2 stops
BNE10:05Brisbane
$1,711
Philippine Airlines
29 Aug
BNE11:20Brisbane
34h 35m
2 stops
SAI18:55Siem Reap–Angkor Intl
13 Sept
SAI12:55Siem Reap–Angkor Intl
42h 10m
2 stops
BNE10:05Brisbane
$1,722

momondo 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, momondo users made 78,305 searches. Data last updated 6 July 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

PerthSiem Reap

PER - SAI

PERSAI

Perth

Mon 10/8

20:50-14:50

1 stop19h 00m

Siem Reap–Angkor Intl

Mon 24/8

10:00-19:50

1 stop8h 50m

$681
Fastest return journey

PerthSiem Reap

PER - SAI

PERSAI

Perth

Tue 15/9

04:45-14:50

1 stop11h 05m

Siem Reap–Angkor Intl

Wed 30/9

10:00-19:50

1 stop8h 50m

$737

PerthSiem Reap

PER - SAI

PERSAI

Perth

Mon 10/8

20:50-14:50

1 stop19h 00m

Siem Reap–Angkor Intl

Mon 24/8

19:05-17:10

3 stops45h 05m

$743

PerthSiem Reap

PER - SAI

PERSAI

Perth

Tue 15/9

05:35-14:50

3 stops34h 15m

Siem Reap–Angkor Intl

Wed 30/9

15:35-03:45

1 stop11h 10m

$772

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Thu 30/7

10:35-18:20

1 stop10h 45m

Siem Reap–Angkor Intl

Thu 27/8

09:35-08:35

1 stop20h 00m

$884

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Wed 7/10

11:35-13:15

1 stop29h 40m

Siem Reap–Angkor Intl

Mon 19/10

18:05-23:15

1 stop25h 10m

$889

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Tue 6/10

01:30-18:05

2 stops20h 35m

Siem Reap–Angkor Intl

Mon 19/10

19:05-23:35

2 stops24h 30m

$913

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 11/11

12:05-18:05

2 stops34h 00m

Siem Reap–Angkor Intl

Wed 25/11

19:05-10:00

2 stops34h 55m

$916

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Tue 10/11

18:10-15:55

1 stop24h 45m

Siem Reap–Angkor Intl

Tue 29/12

10:45-10:45

1 stop21h 00m

$1,079

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Tue 10/11

18:10-15:55

1 stop24h 45m

Siem Reap–Angkor Intl

Tue 29/12

10:45-10:45

1 stop21h 00m

$1,082

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Siem Reap from

How to get the cheapest flight ticket from Australia to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Siem Reap?

The cheapest month to fly to Siem Reap from Australia is in January. Flight prices, which tend to average around $372, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Siem Reap from Australia during April instead. Flights to Siem Reap in April, while not as cheap as those in January, still average around $461.

Can stopping save me money on Australia to Siem Reap flights?

You could potentially save up to 29% on your flight if you consider stops on a Australia to Siem Reap flight.

Cheap Australia to Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Siem Reap

Fastest flight time

10h 45m

Direct flights

None
The fastest flight from Australia to Siem Reap takes 10h 45m
There are no direct flights from Australia to Siem Reap. There are no popular flight routes from Australia to Siem Reap.
Search flight deals

Frequently asked questions about flying from Australia to Siem Reap

  • When did momondo last update prices for flights from Australia to Siem Reap–Angkor Intl Airport?

    Prices for flights from Australia to Siem Reap–Angkor Intl Airport refresh daily.

  • How many operators does momondo search for flights from Australia to Siem Reap–Angkor Intl Airport?

  • How old do you have to be to fly from Australia to Siem Reap–Angkor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Siem Reap

Compare and see reviews for airlines that fly from Australia to Siem Reap with momondo
Airline
Rating
Free cancellation
Price
Singapore AirlinesPriceFrom $734Free cancellationRating
8.2
1,563 reviews
Search Singapore Airlines flights
Vietnam AirlinesPriceFrom $791Free cancellationRating
7.7
279 reviews
Search Vietnam Airlines flights
Virgin AustraliaPriceFrom $1,095Free cancellationRating
7.6
463 reviews
Search Virgin Australia flights

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Siem Reap?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Siem Reap for you.

Can I find flights from Australia to Siem Reap with flexible booking policies on momondo?

Yes. All flights to Siem Reap from Australia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Australia to Siem Reap?

Once you have performed a search for Australia to Siem Reap flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Australia to Siem Reap right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Siem Reap from Australia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Singapore Airlines
Vietnam Airlines
Virgin Australia