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Cheap flights from Australia to Siem Reap from $383

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 9/9. 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
05:15 - 15:00
PER
-
SAI
10h 45m
1 stop
Multiple Airlines Logo
10:10 - 04:30
SAI
-
PER
17h 20m
1 stop
$623Multiple Airlines
Mon, 26 Oct - Wed, 4 Nov
Multiple Airlines Logo
20:50 - 14:50
PER
-
SAI
19h 00m
1 stop
Multiple Airlines Logo
10:10 - 04:30
SAI
-
PER
17h 20m
1 stop
$725Multiple Airlines
Fri, 23 Oct - Sun, 25 Oct
Multiple Airlines Logo
20:50 - 09:15
PER
-
SAI
13h 25m
1 stop
Multiple Airlines Logo
18:50 - 08:50
SAI
-
PER
13h 00m
1 stop
$739Multiple Airlines
Sat, 10 Oct - Sun, 25 Oct
Multiple Airlines Logo
20:40 - 15:00
PER
-
SAI
19h 20m
1 stop
Multiple Airlines Logo
19:10 - 04:15
SAI
-
PER
32h 05m
2 stops
$787Multiple Airlines
Mon, 26 Oct - Wed, 4 Nov
Multiple Airlines Logo
05:35 - 16:05
PER
-
SAI
35h 30m
2 stops
Multiple Airlines Logo
16:50 - 04:15
SAI
-
PER
34h 25m
2 stops
$789Multiple Airlines
Mon, 26 Oct - Wed, 4 Nov
Singapore Airlines Logo
15:30 - 09:40
MEL
-
SAI
21h 10m
1 stop
Singapore Airlines Logo
10:30 - 04:40
SAI
-
MEL
15h 10m
1 stop
$890Singapore Airlines
Wed, 29 Jul - Fri, 7 Aug
Singapore Airlines Logo
07:00 - 15:55
MEL
-
SAI
12h 55m
1 stop
Singapore Airlines Logo
10:45 - 05:45
SAI
-
MEL
15h 00m
1 stop
$934Singapore Airlines
Sat, 31 Oct - Sun, 8 Nov
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
$941VietJet Air
Fri, 30 Oct - Sun, 8 Nov
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
$944VietJet Air
Fri, 30 Oct - Sun, 8 Nov
Vietnam Airlines Logo
10:35 - 18:20
MEL
-
SAI
10h 45m
1 stop
Vietnam Airlines Logo
18:05 - 22:15
SAI
-
MEL
25h 10m
1 stop
$1,013Vietnam Airlines
Mon, 27 Jul - Sat, 8 Aug

Qantas Airways flights from Australia to Siem Reap

Our best Qantas Airways deals on Australia to Siem Reap flight tickets
Qantas Airways
10 Nov
BNE05:15Brisbane
31h 00m
2 stops
SAI09:15Siem Reap–Angkor Intl
29 Dec
SAI13:20Siem Reap–Angkor Intl
23h 10m
2 stops
BNE15:30Brisbane
$2,415
Qantas Airways
10 Nov
BNE06:00Brisbane
30h 15m
2 stops
SAI09:15Siem Reap–Angkor Intl
29 Dec
SAI13:20Siem Reap–Angkor Intl
19h 55m
2 stops
BNE12:15Brisbane
$2,418

Singapore Airlines flights from Australia to Siem Reap

Our best Singapore Airlines deals on Australia to Siem Reap flight tickets
Singapore Airlines
29 July
MEL15:30Melbourne
21h 10m
1 stop
SAI09:40Siem Reap–Angkor Intl
7 Aug
SAI10:30Siem Reap–Angkor Intl
15h 10m
1 stop
MEL04:40Melbourne
$890
Singapore Airlines
31 Oct
MEL07:00Melbourne
12h 55m
1 stop
SAI15:55Siem Reap–Angkor Intl
8 Nov
SAI10:45Siem Reap–Angkor Intl
15h 00m
1 stop
MEL05:45Melbourne
$934
Singapore Airlines
31 Oct
MEL07:00Melbourne
12h 55m
1 stop
SAI15:55Siem Reap–Angkor Intl
8 Nov
SAI10:45Siem Reap–Angkor Intl
15h 00m
1 stop
MEL05:45Melbourne
$935

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 14 May 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 26/10

05:15-15:00

1 stop10h 45m

Siem Reap–Angkor Intl

Wed 4/11

10:10-04:30

1 stop17h 20m

$623

PerthSiem Reap

PER - SAI

PERSAI

Perth

Fri 23/10

20:50-14:50

1 stop19h 00m

Siem Reap–Angkor Intl

Sun 25/10

10:10-04:30

1 stop17h 20m

$725
Fastest return journey

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sat 10/10

20:50-09:15

1 stop13h 25m

Siem Reap–Angkor Intl

Sun 25/10

18:50-08:50

1 stop13h 00m

$739

PerthSiem Reap

PER - SAI

PERSAI

Perth

Mon 26/10

20:40-15:00

1 stop19h 20m

Siem Reap–Angkor Intl

Wed 4/11

19:10-04:15

2 stops32h 05m

$787

PerthSiem Reap

PER - SAI

PERSAI

Perth

Mon 26/10

05:35-16:05

2 stops35h 30m

Siem Reap–Angkor Intl

Wed 4/11

16:50-04:15

2 stops34h 25m

$789

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Wed 29/7

15:30-09:40

1 stop21h 10m

Siem Reap–Angkor Intl

Fri 7/8

10:30-04:40

1 stop15h 10m

$890

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Sat 31/10

07:00-15:55

1 stop12h 55m

Siem Reap–Angkor Intl

Sun 8/11

10:45-05:45

1 stop15h 00m

$934

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Fri 30/10

01:30-18:05

2 stops20h 35m

Siem Reap–Angkor Intl

Sun 8/11

19:05-23:35

2 stops24h 30m

$941

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Fri 30/10

01:30-18:05

2 stops20h 35m

Siem Reap–Angkor Intl

Sun 8/11

19:05-23:35

2 stops24h 30m

$944

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Mon 27/7

10:35-18:20

1 stop10h 45m

Siem Reap–Angkor Intl

Sat 8/8

18:05-22:15

1 stop25h 10m

$1,013

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 $356, 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 July instead. Flights to Siem Reap in July, while not as cheap as those in January, still average around $391.

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

15h 25m

Direct flights

Sun

Airports in Siem Reap

1 airport
The fastest flight from Australia to Siem Reap takes 15h 25m
Direct flights go from Australia to Siem Reap on Sunday. There are no airlines offering direct flights..
There is 1 airport in Siem Reap. From Australia there are direct flights to Siem Reap–Angkor Intl (SAI).
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
Vietnam AirlinesPriceFrom $699Free cancellationRating
7.7
268 reviews
Search Vietnam Airlines flights
Singapore AirlinesPriceFrom $703Free cancellationRating
8.2
1,513 reviews
Search Singapore Airlines flights
Virgin AustraliaPriceFrom $1,050Free cancellationRating
7.6
454 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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Fly your favourite airline to Siem Reap

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