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Cheap flights from Australia to Siem Reap from $282

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 25/4. 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

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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 - 05:50
SAI
-
PER
18h 50m
1 stop
$693Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
05:35 - 09:15
PER
-
SAI
28h 40m
2 stops
Multiple Airlines Logo
10:00 - 05:50
SAI
-
PER
18h 50m
1 stop
$706Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Singapore Airlines Logo
06:25 - 09:40
PER
-
SAI
28h 15m
1 stop
Singapore Airlines Logo
10:30 - 05:10
SAI
-
PER
17h 40m
1 stop
$708Singapore Airlines
Thu, 20 Aug - Sat, 29 Aug
Multiple Airlines Logo
20:50 - 14:50
SYD
-
SAI
21h 00m
1 stop
Multiple Airlines Logo
15:35 - 08:20
SAI
-
SYD
13h 45m
1 stop
$721Multiple Airlines
Tue, 8 Sep - Sat, 12 Sep
VietJet Air Logo
10:15 - 18:05
SYD
-
SAI
34h 50m
2 stops
VietJet Air Logo
19:05 - 07:20
SAI
-
SYD
33h 15m
2 stops
$790VietJet Air
Tue, 8 Sep - Sat, 12 Sep
Singapore Airlines Logo
15:30 - 09:40
MEL
-
SAI
21h 10m
1 stop
Singapore Airlines Logo
10:30 - 20:35
SAI
-
MEL
31h 05m
1 stop
$839Singapore Airlines
Mon, 24 Aug - Mon, 31 Aug
Vietnam Airlines Logo
10:35 - 17:10
MEL
-
SAI
33h 35m
2 stops
Vietnam Airlines Logo
18:05 - 22:15
SAI
-
MEL
25h 10m
1 stop
$1,111Vietnam Airlines
Wed, 13 May - Wed, 20 May
Vietnam Airlines Logo
10:35 - 16:25
MEL
-
SAI
32h 50m
3 stops
Vietnam Airlines Logo
18:05 - 22:15
SAI
-
MEL
25h 10m
1 stop
$1,123Vietnam Airlines
Wed, 13 May - Wed, 20 May
Qantas Airways Logo
06:00 - 08:50
ADL
-
SAI
29h 20m
2 stops
Qantas Airways Logo
09:45 - 09:40
SAI
-
ADL
21h 25m
2 stops
$2,501Qantas Airways
Wed, 8 Apr - Wed, 15 Apr
Qantas Airways Logo
08:50 - 08:50
ADL
-
SAI
50h 30m
2 stops
Qantas Airways Logo
09:45 - 11:55
SAI
-
ADL
23h 40m
2 stops
$2,510Qantas Airways
Wed, 8 Apr - Wed, 15 Apr

China Eastern flights from Australia to Siem Reap

Our best China Eastern deals on Australia to Siem Reap flight tickets
China Eastern
18 June
MEL12:00Melbourne
35h 10m
3 stops
SAI20:10Siem Reap–Angkor Intl
1 July
SAI21:10Siem Reap–Angkor Intl
57h 50m
3 stops
MEL10:00Melbourne
$1,566
China Eastern
6 Apr
MEL12:00Melbourne
59h 10m
3 stops
SAI20:10Siem Reap–Angkor Intl
10 Apr
SAI21:10Siem Reap–Angkor Intl
56h 50m
3 stops
MEL09:00Melbourne
$4,122

Singapore Airlines flights from Australia to Siem Reap

Our best Singapore Airlines deals on Australia to Siem Reap flight tickets
Singapore Airlines
20 Aug
PER06:25Perth
28h 15m
1 stop
SAI09:40Siem Reap–Angkor Intl
29 Aug
SAI10:30Siem Reap–Angkor Intl
17h 40m
1 stop
PER05:10Perth
$708
Singapore Airlines
24 Aug
MEL15:30Melbourne
21h 10m
1 stop
SAI09:40Siem Reap–Angkor Intl
31 Aug
SAI10:30Siem Reap–Angkor Intl
31h 05m
1 stop
MEL20:35Melbourne
$839
Singapore Airlines
20 Aug
BNE23:50Brisbane
12h 50m
1 stop
SAI09:40Siem Reap–Angkor Intl
15 Sept
SAI10:30Siem Reap–Angkor Intl
20h 50m
1 stop
BNE10:20Brisbane
$894

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 27 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

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sun 26/4

20:50-14:50

1 stop19h 00m

Siem Reap–Angkor Intl

Sun 3/5

10:00-05:50

1 stop18h 50m

$693

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sun 26/4

05:35-09:15

2 stops28h 40m

Siem Reap–Angkor Intl

Sun 3/5

10:00-05:50

1 stop18h 50m

$706

PerthSiem Reap

PER - SAI

PERSAI

Perth

Thu 20/8

06:25-09:40

1 stop28h 15m

Siem Reap–Angkor Intl

Sat 29/8

10:30-05:10

1 stop17h 40m

$708
Fastest return journey

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Tue 8/9

20:50-14:50

1 stop21h 00m

Siem Reap–Angkor Intl

Sat 12/9

15:35-08:20

1 stop13h 45m

$721

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Tue 8/9

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Sat 12/9

19:05-07:20

2 stops33h 15m

$790

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Mon 24/8

15:30-09:40

1 stop21h 10m

Siem Reap–Angkor Intl

Mon 31/8

10:30-20:35

1 stop31h 05m

$839

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Wed 13/5

10:35-17:10

2 stops33h 35m

Siem Reap–Angkor Intl

Wed 20/5

18:05-22:15

1 stop25h 10m

$1,111

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Wed 13/5

10:35-16:25

3 stops32h 50m

Siem Reap–Angkor Intl

Wed 20/5

18:05-22:15

1 stop25h 10m

$1,123

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Wed 8/4

06:00-08:50

2 stops29h 20m

Siem Reap–Angkor Intl

Wed 15/4

09:45-09:40

2 stops21h 25m

$2,501

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Wed 8/4

08:50-08:50

2 stops50h 30m

Siem Reap–Angkor Intl

Wed 15/4

09:45-11:55

2 stops23h 40m

$2,510

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 September. Flight prices, which tend to average around $795, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Siem Reap from Australia during August instead. Flights to Siem Reap in August, while not as cheap as those in September, still average around $799.

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

You could potentially save up to 26% 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 35m

Direct flights

None
The fastest flight from Australia to Siem Reap takes 10h 35m
There are no direct flights from Australia to Siem Reap. There are no popular flight routes from Australia to Siem Reap.
Search flight deals

  • 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 $661Free cancellationRating
8.2
1,484 reviews
Search Singapore Airlines flights
Vietnam AirlinesPriceFrom $724Free cancellationRating
7.7
248 reviews
Search Vietnam Airlines flights
Virgin AustraliaPriceFrom $1,098Free cancellationRating
7.6
449 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.

An easier way to manage your Siem Reap trip

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Virgin Australia