Cheap flights from Australia to Siem Reap from $265

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 2/3. 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
05:35 - 15:00
PER
-
SAI
34h 25m
3 stops
Multiple Airlines Logo
09:05 - 00:40
SAI
-
PER
14h 35m
1 stop
$666Multiple Airlines
Fri, 27 Feb - Fri, 20 Mar
Multiple Airlines Logo
01:40 - 13:55
PER
-
SAI
13h 15m
1 stop
Multiple Airlines Logo
09:05 - 04:15
SAI
-
PER
18h 10m
2 stops
$668Multiple Airlines
Thu, 26 Feb - Fri, 20 Mar
Multiple Airlines Logo
05:35 - 15:00
PER
-
SAI
34h 25m
3 stops
Multiple Airlines Logo
09:05 - 04:15
SAI
-
PER
18h 10m
2 stops
$672Multiple Airlines
Fri, 27 Feb - Fri, 20 Mar
Singapore Airlines Logo
05:55 - 15:10
MEL
-
SAI
12h 15m
1 stop
Singapore Airlines Logo
10:30 - 04:40
SAI
-
MEL
15h 10m
1 stop
$813Singapore Airlines
Sun, 3 May - Sun, 31 May
Vietnam Airlines Logo
11:50 - 20:30
SYD
-
SAI
12h 40m
1 stop
Vietnam Airlines Logo
21:30 - 09:50
SAI
-
SYD
32h 20m
1 stop
$860Vietnam Airlines
Wed, 4 Mar - Wed, 18 Mar
Vietnam Airlines Logo
10:15 - 18:40
SYD
-
SAI
11h 25m
1 stop
Vietnam Airlines Logo
19:40 - 08:15
SAI
-
SYD
33h 35m
1 stop
$976Vietnam Airlines
Thu, 25 Jun - Mon, 13 Jul
Vietnam Airlines Logo
10:15 - 18:40
SYD
-
SAI
11h 25m
1 stop
Vietnam Airlines Logo
18:05 - 12:15
SAI
-
SYD
15h 10m
1 stop
$978Vietnam Airlines
Wed, 1 Jul - Fri, 10 Jul
Singapore Airlines Logo
16:10 - 09:50
SYD
-
SAI
21h 40m
1 stop
Singapore Airlines Logo
10:45 - 11:50
SAI
-
SYD
21h 05m
1 stop
$984Singapore Airlines
Wed, 4 Mar - Wed, 18 Mar
Singapore Airlines Logo
05:55 - 15:10
MEL
-
SAI
12h 15m
1 stop
Singapore Airlines Logo
10:30 - 11:00
SAI
-
MEL
45h 30m
1 stop
$1,039Singapore Airlines
Wed, 22 Jul - Thu, 23 Jul
Singapore Airlines Logo
18:10 - 09:40
BNE
-
SAI
18h 30m
1 stop
Singapore Airlines Logo
10:30 - 16:55
SAI
-
BNE
27h 25m
1 stop
$1,155Singapore Airlines
Fri, 10 Apr - Fri, 24 Apr

VietJet Air flights from Australia to Region of Siem Reap

Our best VietJet Air deals on Australia to Region of Siem Reap flight tickets
VietJet Air
21 July
MEL00:30Melbourne
20h 35m
2 stops
SAI18:05Siem Reap–Angkor Intl
23 July
SAI19:05Siem Reap–Angkor Intl
24h 30m
2 stops
MEL22:35Melbourne
$1,154
VietJet Air
28 Feb
MEL01:30Melbourne
20h 35m
2 stops
SAI18:05Siem Reap–Angkor Intl
15 Mar
SAI19:05Siem Reap–Angkor Intl
24h 30m
2 stops
MEL23:35Melbourne
$1,286
VietJet Air
2 Apr
SYD11:15Sydney Kingsford Smith
34h 50m
2 stops
SAI18:05Siem Reap–Angkor Intl
14 Apr
SAI19:05Siem Reap–Angkor Intl
33h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,954

Singapore Airlines flights from Australia to Region of Siem Reap

Our best Singapore Airlines deals on Australia to Region of Siem Reap flight tickets
Singapore Airlines
3 May
MEL05:55Melbourne
12h 15m
1 stop
SAI15:10Siem Reap–Angkor Intl
31 May
SAI10:30Siem Reap–Angkor Intl
15h 10m
1 stop
MEL04:40Melbourne
$813
Singapore Airlines
4 Mar
SYD16:10Sydney Kingsford Smith
21h 40m
1 stop
SAI09:50Siem Reap–Angkor Intl
18 Mar
SAI10:45Siem Reap–Angkor Intl
21h 05m
1 stop
SYD11:50Sydney Kingsford Smith
$984
Singapore Airlines
4 Mar
SYD16:10Sydney Kingsford Smith
27h 45m
1 stop
SAI15:55Siem Reap–Angkor Intl
18 Mar
SAI10:45Siem Reap–Angkor Intl
27h 10m
1 stop
SYD17:55Sydney Kingsford Smith
$1,020

momondo Fare Finder

 
Customise your flight search to find flights from Australia to Region of 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 3 February 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

PerthSiem Reap

PER - SAI

PERSAI

Perth

Fri 27/2

05:35-15:00

3 stops34h 25m

Siem Reap–Angkor Intl

Fri 20/3

09:05-00:40

1 stop14h 35m

$666

PerthSiem Reap

PER - SAI

PERSAI

Perth

Thu 26/2

01:40-13:55

1 stop13h 15m

Siem Reap–Angkor Intl

Fri 20/3

09:05-04:15

2 stops18h 10m

$668

PerthSiem Reap

PER - SAI

PERSAI

Perth

Fri 27/2

05:35-15:00

3 stops34h 25m

Siem Reap–Angkor Intl

Fri 20/3

09:05-04:15

2 stops18h 10m

$672

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Sun 3/5

05:55-15:10

1 stop12h 15m

Siem Reap–Angkor Intl

Sun 31/5

10:30-04:40

1 stop15h 10m

$813

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 4/3

11:50-20:30

1 stop12h 40m

Siem Reap–Angkor Intl

Wed 18/3

21:30-09:50

1 stop32h 20m

$860

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 25/6

10:15-18:40

1 stop11h 25m

Siem Reap–Angkor Intl

Mon 13/7

19:40-08:15

1 stop33h 35m

$976

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 1/7

10:15-18:40

1 stop11h 25m

Siem Reap–Angkor Intl

Fri 10/7

18:05-12:15

1 stop15h 10m

$978

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 4/3

16:10-09:50

1 stop21h 40m

Siem Reap–Angkor Intl

Wed 18/3

10:45-11:50

1 stop21h 05m

$984

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Wed 22/7

05:55-15:10

1 stop12h 15m

Siem Reap–Angkor Intl

Thu 23/7

10:30-11:00

1 stop45h 30m

$1,039

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Fri 10/4

18:10-09:40

1 stop18h 30m

Siem Reap–Angkor Intl

Fri 24/4

10:30-16:55

1 stop27h 25m

$1,155

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Australia to Region of 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 Region of Siem Reap?

The cheapest month to fly to Region of Siem Reap from Australia is in August. Flight prices, which tend to average around $780, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Region of Siem Reap from Australia during October instead. Flights to Region of Siem Reap in October, while not as cheap as those in August, still average around $796.

How far in advance should I book a flight to Region of Siem Reap?

You are more likely to see cheaper flights to Region of Siem Reap from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Siem Reap for around $1,070 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Siem Reap from Australia for as low as $678 on momondo.

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

You could potentially save up to 42% on your flight if you consider stops on a Australia to Region of Siem Reap flight.

Cheap Australia to Region of Siem Reap flight deals and tips

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

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from Australia to Region of Siem Reap takes 10h 30m
There are no direct flights from Australia to Region of Siem Reap. There are no popular flight routes from Australia to Region of Siem Reap.
  • When did momondo last update prices for flights from Australia to Siem Reap?

    Prices for flights from Australia to Siem Reap are refreshed on a daily basis.

  • How many operators does momondo search for flights from Australia to Siem Reap?

  • How old do you have to be to fly from Australia to Siem Reap?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Australia to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The travel and health documents required for your trip to Siem Reap can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Siem Reap. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Australia to Region of Siem Reap

Compare and see reviews for airlines that fly from Australia to Region of Siem Reap with momondo
Airline
Rating
Free cancellation
Price
Singapore AirlinesPriceFrom $658Free cancellationRating
8.2
1,443 reviews
Search Singapore Airlines flights
Vietnam AirlinesPriceFrom $717Free cancellationRating
7.6
224 reviews
Search Vietnam Airlines flights
Virgin AustraliaPriceFrom $1,094Free cancellationRating
7.6
433 reviews
Search Virgin Australia flights

Why use momondo?

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

Finding the right flight to Siem Reap from Australia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

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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1 adult
Thu 5/3
Thu 12/3

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