Cheap flights from Perth to Siem Reap–Angkor

Compare Perth to Siem Reap–Angkor flight deals

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Flight deals from Perth to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Perth Airport to Siem Reap–Angkor Airport? If you want to travel next month, return fares start from $713. Find the lowest prices on one-way and return tickets right here.

Siem Reap.$307 per passenger.Departing Sun, 15 Nov.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Perth on Sun, 15 Nov, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $307, select.

Siem Reap.$311 per passenger.Departing Sun, 18 Oct.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Perth on Sun, 18 Oct, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $311, select.

Siem Reap.$314 per passenger.Departing Thu, 6 Aug.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Perth on Thu, 6 Aug, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $314, select.

Siem Reap.$319 per passenger.Departing Tue, 8 Sep.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Perth on Tue, 8 Sep, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $319, select.

Siem Reap.$320 per passenger.Departing Mon, 1 Mar.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Perth on Mon, 1 Mar, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $320, select.

Siem Reap.$320 per passenger.Departing Sun, 19 Jul.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Perth on Sun, 19 Jul, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $320, select.

Siem Reap.$323 per passenger.Departing Mon, 1 Feb.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Perth on Mon, 1 Feb, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $323, select.

Siem Reap.$323 per passenger.Departing Sat, 16 Jan.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Perth on Sat, 16 Jan, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $323, select.

Siem Reap.$330 per passenger.Departing Sat, 16 May.One-way flight with Scoot.Outbound indirect flight with Scoot, departs from Perth on Sat, 16 May, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $330, select.

Siem Reap.$383 per passenger.Departing Tue, 2 Jun.One-way flight with Scoot.Outbound indirect flight with Scoot, departs from Perth on Tue, 2 Jun, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $383, select.

Siem Reap.$624 per passenger.Departing Sun, 27 Dec.One-way flight with TransNusa.Outbound indirect flight with TransNusa, departs from Perth on Sun, 27 Dec, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $624, select.

Siem Reap.$877 per passenger.Departing Mon, 5 Apr.One-way flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Perth on Mon, 5 Apr, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $877, select.

Find the cheapest month to fly from Perth to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Perth to Siem Reap–Angkor flights are currently cheapest in November.

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Perth to Siem Reap–Angkor : Alternative routes

Compare routes from Perth to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap–Angkor .

Siem Reap–Angkor

41km from central Siem Reap

ClosestCheapest

from $307

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Perth to Siem Reap: Flight information

The things to know before you go.

Cheapest flight found	$307
Cheapest month to fly	November

Finding cheap flights from Perth to Siem Reap–Angkor : Frequently asked questions

How much are return flights from Perth to Siem Reap–Angkor ?

The best price we found for a return flight from Perth to Siem Reap–Angkor is $632. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Perth to Siem Reap–Angkor ?

Currently, there are no airlines that fly direct from Perth to Siem Reap–Angkor . But we found flights with one or more stops from $632.

How many flights are there a week from Perth to Siem Reap–Angkor ?

As of May 2026, there are no flights flying from Perth to Siem Reap–Angkor .

When is the cheapest time to fly from Perth to Siem Reap–Angkor ?

The cheapest month to fly from Perth to Siem Reap–Angkor is usually August.

Which upcoming date is cheapest to fly from Perth Airport to Siem Reap–Angkor Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Perth Airport to Siem Reap–Angkor Airport on Wednesday, 19 August 2026.

Can I get a direct flight from Perth Airport to Siem Reap–Angkor Airport?

No airlines currently offer direct flights between Perth Airport and Siem Reap–Angkor Airport. Most routes have one or more stops.

How can I find the best flight deal to Siem Reap–Angkor ?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap–Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Siem Reap?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Perth Airport to Siem Reap–Angkor with?

Currently, AirAsia offers the cheapest flight tickets to Siem Reap–Angkor .

Travelling from Perth Airport (PER) to Siem Reap-Ankor International Airport (SAI): what you need to know

The timezone in Siem Reap is UTC+7, which is one hour behind Perth.
To ensure you get on your PER to SAI flight, allow plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.
During popular months like July, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight when you travel during a peak period in general.
Consider adding a stopover when booking your ticket from Perth Airport to Siem Reap-Ankor International Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here's where you can stop between PER and SAI:
- Tan Son Nhat International Airport
- Changi International Airport
- Suvarnabhumi Airport

How to find the cheapest flights from Perth Airport (PER) to Siem Reap-Ankor International Airport (SAI)

$307 is the best price for a one-way Perth Airport to Siem Reap-Ankor International Airport flight. Return flights start from $632. These prices can change based on availability and demand.
It's usually best to book early if you want to get cheap tickets from PER to SAI. That's because airlines change prices based on demand, which tends to rise closer to departure.
Finding cheap flights from Perth Airport to Siem Reap-Ankor International Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' function to see the lowest prices across each month and land a great deal.
You won't have to check back in every day to see if fares have dropped when you set up a Price Alert. We'll let you know as soon as the price changes on cheap flights from PER to SAI.
Tailor your flights with filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Perth Airport to Siem Reap-Ankor International Airport.

Handy information about Perth Airport (PER)

Of the departures from Perth Airport, 73.04% land on schedule at their destination.
To reach Perth Airport from central Perth, it takes around 20 minutes if you're planning to drive. This depends on traffic though. It's approximately 16 kilometres from the airport to the city centre.
Expect a trip time of about 30 minutes on public transport.
Catching an early flight from Perth Airport to Siem Reap-Ankor International Airport? Avoid rushing to the terminal (and sneak in some extra precious sleep) by picking one of these stays near PER:

Arriving at Siem Reap-Ankor International Airport (SAI)

Once your Perth Airport to Siem Reap-Ankor International Airport flight has landed, kick back at a hotel close by. Chansor Community Homestay 18 is a comfortable option within easy reach of SAI.

Getting from Siem Reap-Ankor International Airport (SAI) to central Siem Reap

Siem Reap-Ankor International Airport to central Siem Reap has a drive time of about 1 hour. It's approximately 48 kilometres away.

When to fly to Siem Reap-Ankor International Airport (SAI)

The quietest month for a flight from Perth Airport to Siem Reap-Ankor International Airport is April, while April is the busiest. Choose the ideal time to visit Siem Reap based on whether you prefer a more fast-paced or easygoing experience.
When reserving your flight from Perth Airport to Siem Reap-Ankor International Airport, think about the kind of weather you like. March is the warmest month in Siem Reap, with the temperature ranging from 22ºC (72ºF) to 38ºC (100ºF).
For cooler conditions, look for a cheap ticket from PER to SAI in January. Average temperatures are between 18ºC (64ºF) and 33ºC (91ºF) then.

Explore more of Cambodia

Siem Reap has loads to offer, but there are so many other corners of Cambodia just waiting to be explored. Around 225 kilometres south-east of Siem Reap, a visit to Phnom Penh will keep you busy. Start with popular sights like Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.
If you want to check out another side of Cambodia, consider Sihanoukville, roughly 306 kilometres south of Siem Reap. Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple are key highlights.