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Cheap flights from Cairns to Phnom Penh from $854

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — PNH
20 Jul — 27 Jul1
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 15 July 2025.

Round-trip from

$854

Popular in

December

Cheapest in

February
27/8-3/9
  • 27/8-3/9
  • 5 total stops
  • 61h 05m total
  • Cairns to Phnom Penh
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($128 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($70 potential savings vs. average return price).
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Find flight deals from Cairns to Phnom Penh

Cheapest flights from Cairns to Phnom Penh
Explore the most affordable flight options available from Cairns to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Wed 27/805:45CNS - PNH
3 stops41h 00mMultiple Airlines
Wed 3/907:30PNH - CNS
2 stops20h 05mMultiple Airlines
Deal found 12/7$854
Mon 11/817:35CNS - PNH
2 stops43h 40mCathay Pacific
Fri 10/1011:25PNH - CNS
2 stops26h 25mCathay Pacific
Deal found 14/7$1,290
Wed 27/818:15CNS - PNH
1 stop21h 55mSingapore Airlines
Wed 3/914:05PNH - CNS
1 stop47h 55mSingapore Airlines
Deal found 12/7$1,439
Mon 11/806:00CNS - PNH
2 stops21h 10mChina Southern
Mon 13/1012:05PNH - CNS
2 stops44h 50mChina Southern
Deal found 14/7$1,688

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 15 July 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

Wed 27/8

05:45-19:45

3 stops41h 00m

Phnom Penh Pochentong

Wed 3/9

07:30-06:35

2 stops20h 05m

$854

CairnsPhnom Penh

CNS - PNH

CNSPNH

Cairns

Mon 11/8

17:35-10:15

2 stops43h 40m

Phnom Penh Pochentong

Fri 10/10

11:25-16:50

2 stops26h 25m

$1,290

CairnsPhnom Penh

CNS - PNH

CNSPNH

Cairns

Wed 27/8

18:15-13:10

1 stop21h 55m

Phnom Penh Pochentong

Wed 3/9

14:05-17:00

1 stop47h 55m

$1,439

CairnsPhnom Penh

CNS - PNH

CNSPNH

Cairns

Mon 11/8

06:00-00:10

2 stops21h 10m

Phnom Penh Pochentong

Mon 13/10

12:05-11:55

2 stops44h 50m

$1,688

Flights are sorted by cheapest return flights first.

Deals found on 12/7

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 15 July 2025.
See what other customers who have flown with Singapore Airlines, Cathay Pacific, andChina Southern 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
1,326 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,326 reviews
Singapore Airlines
8.1
Very Good
1,326 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.6
Good
933 reviews
Singapore Airlines
8.1
Very Good
1,326 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
China Southern
7.6
Good
103 reviews
Singapore Airlines
8.1
Very Good
1,326 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.7

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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 $1,290, Cathay Pacific will fly you from Cairns to Phnom Penh and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and China Southern - these airlines can fly you to your destination from $1,439 and $1,688, respectively.

  • 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 $524). Flying from Cairns to Phnom Penh in December is currently the most expensive (average of $1,054). 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
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Top airline flying from Cairns to Phnom Penh

Discover the top airline 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 15 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$728Average$1,409FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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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