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Cheap flights from Cairns to Phnom Penh from $674

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — PNH
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Cairns to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.

Popular in

December

Cheapest in

November

Average price

$1,367
Highest demand for flights based on searches. 3% potential increase in price ($71 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($62 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Cairns to Phnom Penh

Last-minute flights from Cairns to Phnom Penh
Discover last-minute flight deals from Cairns to Phnom Penh. Data last updated 29 August 2025 and is based on user searches.

Sat 6/915:35CNS - PNH
2 stops46h 05mChina Southern
Sat 13/912:05PNH - CNS
2 stops44h 30mChina Southern
Deal found 26/8$1,663

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cairns to Phnom Penh 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, Cheapflights users made 647,157 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Cairns to Phnom Penh that are best for you.

Fly from

Cairns

Fly to

Phnom Penh

Route

Depart

Return

Price

CairnsPhnom Penh

CNS - PNH

CNSPNH

Cairns

Thu 25/9

06:45-19:40

3 stops39h 55m

$674

CairnsPhnom Penh

CNS - PNH

CNSPNH

Cairns

Fri 21/11

23:55-10:50

2 stops37h 55m

$759

CairnsPhnom Penh

CNS - PNH

CNSPNH

Cairns

Thu 20/11

23:55-10:50

2 stops37h 55m

$759

CairnsPhnom Penh

CNS - PNH

CNSPNH

Cairns

Wed 11/2

10:55-10:50

2 stops26h 55m

$877

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Best time to book a flight from Cairns to Phnom Penh

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

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated 29 August 2025.
See what other customers who have flown with Singapore Airlines and Cathay Pacific from Cairns to Phnom Penh have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Food

7.7

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,352 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Food

7.7

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Cathay Pacific
7.6
Good
977 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Food

7.7

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Related info for your journey

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

  • What are the cheapest airlines flying from Cairns to Phnom Penh round-trip?

    Currently priced at $933, Singapore Airlines will fly you from Cairns to Phnom Penh and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Cathay Pacific for as low as $1,090. Singapore Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Cairns to Phnom Penh?

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

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

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

  • What is the cheapest month to book a flight from Cairns to Phnom Penh?

    Currently, February is the cheapest month in which you can book a flight from Cairns to Phnom Penh (average of $534). Flying from Cairns to Phnom Penh in December is currently the most expensive (average of $1,031). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Cairns to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Brisbane to Phnom Penh flights
Hervey Bay to Phnom Penh flights
Brisbane to Krong Preah Sihanouk flights

Top 2 airlines flying from Cairns to Phnom Penh

Discover the top 2 airlines that operate flights from Cairns to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$933Average$1,463FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest$1,090Average$1,200FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cairns to Phnom Penh?

Cheapflights helps you search for flights from Cairns to Phnom Penh via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Cairns to Phnom Penh?

Cheapflights helps you find that perfect flight to Phnom Penh from Cairns by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cairns to Phnom Penh with no change fees?

Certainly. Search results for flights to Phnom Penh from Cairns shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Cairns to Phnom Penh become cheaper?

Of course! You can now track prices for flights from Cairns to Phnom Penh and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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