Australia
AUD

PER - KTI

$332 Find Cheap Flights from Perth to Phnom Penh – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$630
Typical prices: $750-$1,232
Singapore Airlines
Mon 26/2Mon 26/3
PER - KTI • 1 stop
Cheapest one-way flight
$249
Typical prices: $365-$887
Multiple Airlines
Wed 17/1
PER - KTI • 2 stops
Direct flights
Not available
There are currently no direct flights between Perth and Phnom Penh. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
16 weeks
in advance
Our data shows that travellers who book at least 16 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 25% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Ho Chi Minh City (SGN)
Cheapest • Avg $826 (return)
Singapore Changi (SIN)
Shortest trip • 9h 30m (one-way)
Insights
Insights
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We hope you enjoy your trip to Phnom Penh!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Perth to Phnom Penh (PER-KTI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Perth to Phnom Penh

Fri, 26 Feb - Fri, 26 Mar
Singapore Airlines Logo
06:40 - 13:45PER  Perth-KTI Phnom Penh Techo Intl
8h 05m1 stop Singapore Changi
Singapore Airlines Logo
19:40 - 05:25KTI  Phnom Penh Techo Intl-PER Perth
8h 45m1 stop Singapore Changi
$630Singapore Airlines
Fri, 26 Feb - Fri, 26 Mar
Singapore Airlines Logo
06:40 - 13:45PER  Perth-KTI Phnom Penh Techo Intl
8h 05m1 stop Singapore Changi
Singapore Airlines Logo
14:40 - 05:25KTI  Phnom Penh Techo Intl-PER Perth
13h 45m1 stop Singapore Changi
$631Singapore Airlines
Thu, 5 Nov - Thu, 12 Nov
China Southern Logo
23:25 - 15:05PER  Perth-KTI Phnom Penh Techo Intl
16h 40m1 stop Guangzhou Baiyun
China Southern Logo
08:00 - 21:35KTI  Phnom Penh Techo Intl-PER Perth
12h 35m1 stop Guangzhou Baiyun
$683China Southern
Mon, 19 Oct - Thu, 12 Nov
Multiple Airlines Logo
23:15 - 09:45PER  Perth-KTI Phnom Penh Techo Intl
11h 30m1 stop Kuala Lumpur Intl
Multiple Airlines Logo
17:25 - 05:50KTI  Phnom Penh Techo Intl-PER Perth
11h 25m1 stop Kuala Lumpur Intl
$710Multiple Airlines
Wed, 3 Feb - Wed, 24 Feb
China Southern Logo
23:25 - 10:50PER  Perth-KTI Phnom Penh Techo Intl
12h 25m1 stop Guangzhou Baiyun
China Southern Logo
08:00 - 21:35KTI  Phnom Penh Techo Intl-PER Perth
12h 35m1 stop Guangzhou Baiyun
$719China Southern
Fri, 26 Feb - Fri, 26 Mar
Multiple Airlines Logo
20:40 - 21:55PER  Perth-KTI Phnom Penh Techo Intl
26h 15m2 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl
Multiple Airlines Logo
10:35 - 05:25KTI  Phnom Penh Techo Intl-PER Perth
17h 50m1 stop Bangkok Suvarnabhumi
$733Multiple Airlines
Mon, 8 Mar - Fri, 12 Mar
Singapore Airlines Logo
13:50 - 08:35PER  Perth-KTI Phnom Penh Techo Intl
19h 45m1 stop Singapore Changi
Singapore Airlines Logo
14:40 - 05:25KTI  Phnom Penh Techo Intl-PER Perth
13h 45m1 stop Singapore Changi
$786Singapore Airlines
Wed, 21 Oct - Sat, 31 Oct
China Southern Logo
23:35 - 14:50PER  Perth-KTI Phnom Penh Techo Intl
16h 15m1 stop Guangzhou Baiyun
China Southern Logo
11:55 - 08:20KTI  Phnom Penh Techo Intl-PER Perth
43h 25m2 stops Guangzhou Baiyun Sydney Kingsford Smith
$1,420China Southern
Sun, 13 Dec - Mon, 21 Dec
Malaysia Airlines Logo
02:30 - 17:30PER  Perth-KTI Phnom Penh Techo Intl
16h 00m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
11:10 - 01:30KTI  Phnom Penh Techo Intl-PER Perth
13h 20m1 stop Kuala Lumpur Intl
$1,505Malaysia Airlines
Sat, 12 Dec - Mon, 21 Dec
Malaysia Airlines Logo
02:30 - 17:30PER  Perth-KTI Phnom Penh Techo Intl
16h 00m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
11:10 - 01:30KTI  Phnom Penh Techo Intl-PER Perth
13h 20m1 stop Kuala Lumpur Intl
$1,525Malaysia Airlines
Booking Insights

Price, demand, and travel trends for Perth to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Perth to Phnom Penh?

Return flights from Perth to Phnom Penh typically range from $750 to $1,232. The lowest price found in the past 5 days was $630 on Singapore Airlines.

What's the cheapest day of the week to fly from Perth to Phnom Penh?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Perth to Phnom Penh. It’s 8% cheaper than the average day, while Thursday is the most expensive, with prices 5% higher.

What is the cheapest month to fly from Perth to Phnom Penh?

•March is the cheapest month to fly from Perth to Phnom Penh at $687 return.
•December ($1,373) and September ($1,182) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 99% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Perth to Phnom Penh the cheapest?

Flights from Perth to Phnom Penh are cheapest 16 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Perth to Phnom Penh flights

Low season

June

Cheapest flight

$249
Beat the crowds with an average 59% drop in traveller numbers.
The most popular month to fly with an average 66% increase in traveller numbers.
One-way flight from Perth to Phnom Penh

When to book flights from Perth to Phnom Penh

Are your dates flexible? Find out the best times to travel from Perth to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Perth to Phnom Penh flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Perth to Phnom Penh?

    Two cabin classes are available on flights from Perth to Phnom Penh:

    • Economy class
    • Business Class

  • How long is a flight from Perth to Phnom Penh?

    A direct flight from Perth to Phnom Penh takes 00m, covering 7,970 km.

  • Do I need a passport to fly from Perth to Phnom Penh?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Perth to Phnom Penh flight?

    Return flights from Perth to Phnom Penh range from $750 to $1,232, with an average of $917 over the past 12 months. Anything below $750 counts as a good deal.

  • How expensive are last-minute Perth to Phnom Penh flights?

    Last-minute fares on this route (booked within two weeks of departure) run 21% above the $917 route average. Book 16 weeks before departure for the lowest fares.

  • Have flight prices from Perth to Phnom Penh changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about $630 to $5,894. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Perth to Phnom Penh looking right now?

    One-way fares from Perth to Phnom Penh are currently lower than usual. Average one-way flight prices are about $291, which is 45% below the typical average for this route.

  • Which airports can I use when flying from Perth to Phnom Penh?

    Flights from Perth to Phnom Penh usually depart from Perth (PER) and arrive at Phnom Penh Techo Intl (KTI).

  • Which airports do connecting flights from Perth to Phnom Penh pass through?

    One-stop flights from Perth to Phnom Penh most commonly connect through:

    • Singapore Changi (SIN) – 58% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 37% of one-stop connections
    • Guangzhou Baiyun (CAN) – 4% of one-stop connections
    • Ho Chi Minh City (SGN) – 1% of one-stop connections

  • Can I save money by using flexible dates for flights from Perth to Phnom Penh?

    Yes. Flexible dates can save you up to 13% on flights from Perth to Phnom Penh. Sunday is the cheapest departure day at $848 return on average, while Thursday is the most expensive at $965, a difference of $116.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from Perth to Phnom Penh?

    Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time of 9h 30m, compared to 11h 37m via Kuala Lumpur Intl (KUL) and 12h 08m via Ho Chi Minh City (SGN).

  • What is the time difference between Perth and Phnom Penh?

    Phnom Penh is 1 hour behind Perth (Indochina Time vs Western Australia Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Perth to Phnom Penh flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Thursday. On this route, Sunday flights average $848, about $116 less than Thursday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Perth to Phnom Penh trip for March. Fares historically average $687 return in that month – typically $686 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Perth to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car hire

Hotels in Phnom Penh
Holidays in Phnom Penh