Cheap flights from Perth to Siem Reap from $235

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Siem Reap departing on 9/2. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Perth to Siem Reap

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:40 - 09:20
PER
-
SAI
13h 40m
1 stop
Multiple Airlines Logo
18:10 - 04:30
SAI
-
PER
9h 20m
1 stop
$504Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar
Multiple Airlines Logo
20:40 - 09:20
PER
-
SAI
13h 40m
1 stop
Multiple Airlines Logo
18:10 - 04:30
SAI
-
PER
9h 20m
1 stop
$505Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar
Multiple Airlines Logo
00:45 - 19:05
PER
-
SAI
19h 20m
1 stop
Multiple Airlines Logo
21:40 - 22:30
SAI
-
PER
23h 50m
2 stops
$1,032Multiple Airlines
Sat, 28 Feb - Sun, 8 Mar
Vietnam Airlines Logo
00:45 - 13:15
PER
-
SAI
13h 30m
1 stop
Vietnam Airlines Logo
17:55 - 22:30
SAI
-
PER
27h 35m
2 stops
$1,104Vietnam Airlines
Sat, 28 Feb - Sun, 8 Mar
Vietnam Airlines Logo
00:45 - 16:55
PER
-
SAI
41h 10m
2 stops
Vietnam Airlines Logo
17:55 - 22:30
SAI
-
PER
27h 35m
2 stops
$1,310Vietnam Airlines
Sat, 28 Feb - Sun, 8 Mar
Vietnam Airlines Logo
00:45 - 16:55
PER
-
SAI
17h 10m
2 stops
Vietnam Airlines Logo
17:55 - 22:30
SAI
-
PER
27h 35m
2 stops
$1,353Vietnam Airlines
Sat, 28 Feb - Sun, 8 Mar
Multiple Airlines Logo
22:55 - 10:00
PER
-
SAI
36h 05m
2 stops
Multiple Airlines Logo
13:25 - 12:25
SAI
-
PER
22h 00m
3 stops
$5,549Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar
Multiple Airlines Logo
22:55 - 10:00
PER
-
SAI
36h 05m
2 stops
Multiple Airlines Logo
13:25 - 12:25
SAI
-
PER
22h 00m
3 stops
$5,561Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar

Vietnam Airlines flights from Perth to Region of Siem Reap

Our best Vietnam Airlines deals on Perth to Region of Siem Reap flight tickets
Vietnam Airlines
28 Feb
PER00:45Perth
13h 30m
1 stop
SAI13:15Siem Reap–Angkor Intl
8 Mar
SAI17:55Siem Reap–Angkor Intl
27h 35m
2 stops
PER22:30Perth
$1,104
Vietnam Airlines
28 Feb
PER00:45Perth
41h 10m
2 stops
SAI16:55Siem Reap–Angkor Intl
8 Mar
SAI17:55Siem Reap–Angkor Intl
27h 35m
2 stops
PER22:30Perth
$1,310
Vietnam Airlines
28 Feb
PER00:45Perth
17h 10m
2 stops
SAI16:55Siem Reap–Angkor Intl
8 Mar
SAI17:55Siem Reap–Angkor Intl
27h 35m
2 stops
PER22:30Perth
$1,353

momondo Fare Finder

 
Customise your flight search to find flights from Perth 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 21 January 2026.
Use the filters below to find and compare flights from Perth to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sun 1/3

20:40-09:20

1 stop13h 40m

Siem Reap–Angkor Intl

Sun 8/3

18:10-04:30

1 stop9h 20m

$504

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sun 1/3

20:40-09:20

1 stop13h 40m

Siem Reap–Angkor Intl

Sun 8/3

18:10-04:30

1 stop9h 20m

$505

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sat 28/2

00:45-19:05

1 stop19h 20m

Siem Reap–Angkor Intl

Sun 8/3

21:40-22:30

2 stops23h 50m

$1,032

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sat 28/2

00:45-13:15

1 stop13h 30m

Siem Reap–Angkor Intl

Sun 8/3

17:55-22:30

2 stops27h 35m

$1,104

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sat 28/2

00:45-16:55

2 stops41h 10m

Siem Reap–Angkor Intl

Sun 8/3

17:55-22:30

2 stops27h 35m

$1,310

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sat 28/2

00:45-16:55

2 stops17h 10m

Siem Reap–Angkor Intl

Sun 8/3

17:55-22:30

2 stops27h 35m

$1,353

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sun 1/3

22:55-10:00

2 stops36h 05m

Siem Reap–Angkor Intl

Sun 8/3

13:25-12:25

3 stops22h 00m

$5,549

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sun 1/3

22:55-10:00

2 stops36h 05m

Siem Reap–Angkor Intl

Sun 8/3

13:25-12:25

3 stops22h 00m

$5,561

PerthSiem Reap

PER - SAI

PERSAI

Perth

Mon 9/2

17:15-10:00

1 stop17h 45m

$235

PerthSiem Reap

PER - SAI

PERSAI

Perth

Mon 9/2

17:45-10:00

2 stops17h 15m

$276

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Siem Reap from

How to get the cheapest flight ticket from Perth 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 Perth is in May. Flight prices, which tend to average around $698, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Region of Siem Reap from Perth during June instead. Flights to Region of Siem Reap in June, while not as cheap as those in May, still average around $731.

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

You could potentially save up to 49% on your flight if you consider stops on a Perth to Region of Siem Reap flight.

Cheap Perth to Region of Siem Reap flight deals and tips

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

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from Perth to Region of Siem Reap takes 13h 40m
There are no direct flights from Perth to Region of Siem Reap. There are no popular flight routes from Perth to Region of Siem Reap.
  • When did momondo last update prices for flights from Perth Airport to Siem Reap?

    Prices for flights from Perth Airport to Siem Reap are updated daily.

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

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

    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 Perth Airport 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 Perth to Region of Siem Reap

Compare and see reviews for airlines that fly from Perth to Region of Siem Reap with momondo
Airline
Rating
Free cancellation
Price
Singapore AirlinesPriceFrom $679Free cancellationRating
8.1
1,434 reviews
Search Singapore Airlines flights

Why use momondo?

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

Finding the right flight to Siem Reap from Perth 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 Perth to Siem Reap with flexible booking policies on momondo?

All flight searches from Perth to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Perth and Siem Reap by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Perth to Siem Reap now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Siem Reap and let you know when they change.

An easier way to manage your Region of Siem Reap trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 20/2
Fri 27/2

Find better results for your trip to Siem Reap

Popular Cities in Siem Reap

Popular flights according to clicks in the last 7 days on momondo