What is the cheapest airline to fly from Phnom Penh to Perth round-trip?

Our cheapest airline available from Phnom Penh to Perth is Singapore Airlines. Our recent data shows that you can find tickets from as low as $701 on this airline.

In terms of precipitation, rainfall in Perth ranges from 0.0 - 6.7 inches per month. June is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Perth when rainfall is around 0.0 in.

If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 53.6 F).

What is the cheapest time of day to fly from PNH to PER?

When flying from Phnom Penh to Perth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Phnom Penh-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phnom Penh-Perth flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Phnom Penh-Perth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Phnom Penh to Perth that include hotel bookings?

Yes. In addition to deals on Phnom Penh to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Phnom Penh to Perth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Perth.

Can I find deals for business class flights from Phnom Penh to Perth?

Yes. Cheapflights offers flight deals from Phnom Penh to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Phnom Penh to Perth

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Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Phnom Penh Pochentong-Perth flight deals.

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Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Perth flights.

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Most accurate provider: When it comes to deals on Phnom Penh-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phnom Penh-Perth flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Phnom Penh-Perth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Phnom Penh to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Phnom Penh with our price prediction graph.

PNH-PER

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Perth

Read reviews from past customers who have flown Singapore Airlines from Phnom Penh to Perth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very good

1,545 reviews

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Singapore Airlines

8.2

Very good

1,545 reviews

Singapore Airlines

8.2

Very good

1,545 reviews

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Related info for your journey

What is the cheapest airline to fly from Phnom Penh to Perth round-trip?
Our cheapest airline available from Phnom Penh to Perth is Singapore Airlines. Our recent data shows that you can find tickets from as low as $701 on this airline.
Can I find deals for flights from Phnom Penh to Perth that include hotel bookings?
Yes. In addition to deals on Phnom Penh to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Phnom Penh to Perth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Perth.
Can I find deals for business class flights from Phnom Penh to Perth?
Yes. Cheapflights offers flight deals from Phnom Penh to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Phnom Penh to Perth

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$701	Average$993	FlexibilityNo cancel fee	On-time81%

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Find cheap flights from Phnom Penh to Perth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Phnom Penh to Perth

Most accurate provider

Most trusted provider

Best time to book a flight from Phnom Penh to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Phnom Penh with our price prediction graph.

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated June 18, 2026.

Read reviews from past customers who have flown Singapore Airlines from Phnom Penh to Perth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Phnom Penh to Perth round-trip?

Can I find deals for flights from Phnom Penh to Perth that include hotel bookings?

How can I find direct flights from Phnom Penh to Perth?

Can I find deals for business class flights from Phnom Penh to Perth?

Traveling to a place near Perth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Perth by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Phnom Penh to Perth by cabin class

Find flights from Phnom Penh to Perth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Phnom Penh and Perth flights

Browse other Phnom Penh and Perth flight options. Last updated on June 18, 2026.

Other flights to Perth

Explore flights to Perth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 18, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Phnom Penh to Perth

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Cheap flights from Phnom Penh (PNH) to Perth (PER)

Find cheap flights from Phnom Penh to Perth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Phnom Penh to Perth

Most accurate provider

Most trusted provider

Best time to book a flight from Phnom Penh to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Phnom Penh with our price prediction graph.

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated June 18, 2026.

Read reviews from past customers who have flown Singapore Airlines from Phnom Penh to Perth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Phnom Penh to Perth round-trip?

Can I find deals for flights from Phnom Penh to Perth that include hotel bookings?

How can I find direct flights from Phnom Penh to Perth?

Can I find deals for business class flights from Phnom Penh to Perth?

Traveling to a place near Perth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Perth by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Phnom Penh to Perth by cabin class

Find flights from Phnom Penh to Perth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Phnom Penh and Perth flights

Browse other Phnom Penh and Perth flight options. Last updated on June 18, 2026.

Other flights to Perth

Explore flights to Perth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 18, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Phnom Penh to Perth

100% Free

Book with Flexibility

Travel Smart