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?

As of November 2026, there is 1 operator available to choose from 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.

$292 Cheap Flights from Perth to Siem Reap in 2026/27

Find the cheapest flights from Perth to Siem Reap

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

04:40 - 14:50PER Perth-SAI Siem Reap–Angkor Intl

11h 10m1 stop Kuala Lumpur Intl

10:00 - 05:50SAI Siem Reap–Angkor Intl-PER Perth

18h 50m1 stop Kuala Lumpur Intl

$676Multiple Airlines

Sat, 20 Feb - Fri, 26 Feb

00:45 - 09:15PER Perth-SAI Siem Reap–Angkor Intl

9h 30m1 stop Kuala Lumpur Intl

15:35 - 03:40SAI Siem Reap–Angkor Intl-PER Perth

11h 05m1 stop Kuala Lumpur Intl

$676Multiple Airlines

Sat, 20 Feb - Mon, 15 Mar

04:40 - 14:50PER Perth-SAI Siem Reap–Angkor Intl

11h 10m1 stop Kuala Lumpur Intl

22:25 - 19:55SAI Siem Reap–Angkor Intl-PER Perth

20h 30m2 stops Ho Chi Minh City Kuala Lumpur Intl

$768Multiple Airlines

Sat, 20 Feb - Mon, 15 Mar

04:40 - 14:50PER Perth-SAI Siem Reap–Angkor Intl

11h 10m1 stop Kuala Lumpur Intl

09:05 - 23:45SAI Siem Reap–Angkor Intl-PER Perth

13h 40m2 stops Bangkok Don Mueang Intl Kuala Lumpur Intl

$770Multiple Airlines

Sat, 20 Feb - Fri, 26 Feb

00:45 - 16:10PER Perth-SAI Siem Reap–Angkor Intl

40h 25m3 stops Ho Chi Minh City Hanoi Noibai Luang Prabang

21:30 - 22:30SAI Siem Reap–Angkor Intl-PER Perth

24h 00m1 stop Ho Chi Minh City

$1,063Vietnam Airlines

Sat, 20 Feb - Fri, 26 Feb

04:40 - 14:50PER Perth-SAI Siem Reap–Angkor Intl

11h 10m1 stop Kuala Lumpur Intl

10:00 - 19:50SAI Siem Reap–Angkor Intl-PER Perth

8h 50m1 stop Kuala Lumpur Intl

$1,133Multiple Airlines

Thu, 25 Mar - Fri, 23 Apr

04:40 - 14:50PER Perth-SAI Siem Reap–Angkor Intl

11h 10m1 stop Kuala Lumpur Intl

10:00 - 19:50SAI Siem Reap–Angkor Intl-PER Perth

8h 50m1 stop Kuala Lumpur Intl

$1,135Multiple Airlines

Thu, 25 Mar - Fri, 23 Apr

00:45 - 16:55PER Perth-SAI Siem Reap–Angkor Intl

41h 10m2 stops Ho Chi Minh City Hanoi Noibai

21:30 - 01:20SAI Siem Reap–Angkor Intl-PER Perth

26h 50m2 stops Ho Chi Minh City Denpasar Bali Ngurah Rai

$1,149Multiple Airlines

Sat, 20 Feb - Mon, 15 Mar

04:40 - 14:50PER Perth-SAI Siem Reap–Angkor Intl

11h 10m1 stop Kuala Lumpur Intl

10:00 - 19:50SAI Siem Reap–Angkor Intl-PER Perth

8h 50m1 stop Kuala Lumpur Intl

$1,222Multiple Airlines

Thu, 25 Mar - Fri, 23 Apr

06:40 - 16:00PER Perth-SAI Siem Reap–Angkor Intl

10h 20m1 stop Singapore Changi

10:30 - 23:55SAI Siem Reap–Angkor Intl-PER Perth

12h 25m1 stop Singapore Changi

$1,226Singapore Airlines

Thu, 25 Mar - Fri, 23 Apr

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

20 Feb

PER00:45Perth

40h 25m

3 stops

SAI16:10Siem Reap–Angkor Intl

26 Feb

SAI21:30Siem Reap–Angkor Intl

24h 00m

1 stop

PER22:30Perth

$1,063

Vietnam Airlines

20 Feb

PER00:45Perth

41h 10m

2 stops

SAI16:55Siem Reap–Angkor Intl

26 Feb

SAI17:05Siem Reap–Angkor Intl

28h 25m

3 stops

PER22:30Perth

$1,286

Philippine Airlines flights from Perth to Region of Siem Reap

Our best Philippine Airlines deals on Perth to Region of Siem Reap flight tickets

Philippine Airlines

25 Mar

PER08:40Perth

29h 00m

2 stops

SAI12:40Siem Reap–Angkor Intl

23 Apr

SAI09:40Siem Reap–Angkor Intl

20h 35m

2 stops

PER07:15Perth

$2,301

Philippine Airlines

25 Mar

PER08:40Perth

29h 00m

2 stops

SAI12:40Siem Reap–Angkor Intl

23 Apr

SAI09:40Siem Reap–Angkor Intl

20h 35m

2 stops

PER07:15Perth

$2,304

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Sat 20/2

04:40-14:50

1 stop11h 10m

Siem Reap–Angkor Intl

Fri 26/2

10:00-05:50

1 stop18h 50m

$676

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Sat 20/2

00:45-09:15

1 stop9h 30m

Siem Reap–Angkor Intl

Mon 15/3

15:35-03:40

1 stop11h 05m

$676

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Sat 20/2

04:40-14:50

1 stop11h 10m

Siem Reap–Angkor Intl

Mon 15/3

22:25-19:55

2 stops20h 30m

$768

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Sat 20/2

04:40-14:50

1 stop11h 10m

Siem Reap–Angkor Intl

Fri 26/2

09:05-23:45

2 stops13h 40m

$770

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Sat 20/2

00:45-16:10

3 stops40h 25m

Siem Reap–Angkor Intl

Fri 26/2

21:30-22:30

1 stop24h 00m

$1,063

Fastest return journey

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Thu 25/3

04:40-14:50

1 stop11h 10m

Siem Reap–Angkor Intl

Fri 23/4

10:00-19:50

1 stop8h 50m

$1,133

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Thu 25/3

04:40-14:50

1 stop11h 10m

Siem Reap–Angkor Intl

Fri 23/4

10:00-19:50

1 stop8h 50m

$1,135

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Sat 20/2

00:45-16:55

2 stops41h 10m

Siem Reap–Angkor Intl

Mon 15/3

21:30-01:20

2 stops26h 50m

$1,149

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Thu 25/3

04:40-14:50

1 stop11h 10m

Siem Reap–Angkor Intl

Fri 23/4

10:00-19:50

1 stop8h 50m

$1,222

PerthSiem Reap

PER Perth - SAI Siem Reap–Angkor Intl

PERSAI

Perth

Thu 25/3

06:40-16:00

1 stop10h 20m

Siem Reap–Angkor Intl

Fri 23/4

10:30-23:55

1 stop12h 25m

$1,226

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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 February. Flight prices, which tend to average around $726, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Region of Siem Reap from Perth during August instead. Flights to Region of Siem Reap in August, while not as cheap as those in February, still average around $747.

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

You could potentially save up to 26% 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

Best price found	$292
Fastest flight time	10h 20m
Direct flights	None

The best one-way flight to Region of Siem Reap from Perth in the past 72 hours is $292. The best return flight deal from Perth to Region of Siem Reap found on momondo in the last 72 hours is $676.

The fastest flight from Perth to Region of Siem Reap takes 10h 20m

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.

Search flight deals

Frequently asked questions about flying from Perth to 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?
As of November 2026, there is 1 operator available to choose from 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 Airlines	PriceFrom $725	Free cancellation	Rating 8.2 1,635 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 3/12

Thu 10/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Siem Reap

Popular cities

Other flights from Perth

Other flights to Siem Reap

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular Cities in Siem Reap

Look for other cheap flights to Phnom Penh

Look for other cheap flights to Siem Reapfrom $687

Cheap flights from Perth to Siem Reap from $292

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 14/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Perth to Siem Reap

Cheap return flights

Cheap one-way flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Vietnam Airlines flights from Perth to Region of Siem Reap

Our best Vietnam Airlines deals on Perth to Region of Siem Reap flight tickets

Philippine Airlines flights from Perth to Region of Siem Reap

Our best Philippine Airlines deals on Perth to Region of Siem Reap flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Perth to Siem Reap that are best for you.

See travel insights to Siem Reap from

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

What is the cheapest month to fly to Region of Siem Reap?

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

Cheap Perth to Region of Siem Reap flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Perth to Siem Reap

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

Why use momondo?

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.

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

Perth flight routes

According to popular flight searches on momondo this year

Region of Siem Reap flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Siem Reap

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.

Complete your trip to Siem Reap

Explore popular destinations other users love

According to popular flight searches on momondo this year