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$329+ Cheap flights to Phnom Penh

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
— PNH
29 Mar — 5 Apr1
1 adult

Flights to Phnom Penh in 2025

Find the latest flights to Phnom Penh in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 24 March 2025.

Return from

$749

One-way from

$329

Popular in

December

Cheapest in

February

Average price

$974
China Southern
  • China Southern
  • 4/6-19/6
  • 2 total stops
  • 38h 25m total
  • Sydney to Phnom Penh
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3/6
  • 3/6
  • 1 total stop
  • 17h 05m total
  • Sydney to Phnom Penh
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($418 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($103 potential savings vs. average return price).
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Average for return flights in March 2025
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Find flight deals to Phnom Penh

Cheapest flights to Phnom Penh
Explore the most affordable flight options available to Phnom Penh. Find the lowest fares based on data from user searches, with prices last updated on 24 March 2025.

Wed 4/609:15SYD - PNH
1 stop13h 20mMultiple Airlines
Thu 19/615:35PNH - SYD
1 stop25h 05mMultiple Airlines
Deal found 23/3$749
Thu 5/610:15SYD - PNH
1 stop12h 25mVietnam Airlines
Wed 18/616:25PNH - SYD
1 stop12h 50mVietnam Airlines
Deal found 23/3$778
Wed 26/322:15SYD - PNH
1 stop15h 35mMalaysia Airlines
Mon 31/318:20PNH - SYD
1 stop22h 15mMalaysia Airlines
Deal found 24/3$802
Thu 1/510:05SYD - PNH
1 stop17h 05mChina Southern
Mon 19/515:35PNH - SYD
1 stop25h 05mChina Southern
Deal found 24/3$821
Thu 8/510:10SYD - PNH
1 stop17h 05mPhilippine Airlines
Sat 17/501:15PNH - SYD
1 stop27h 45mPhilippine Airlines
Deal found 24/3$923
Mon 12/520:30SYD - PNH
1 stop29h 45mChina Eastern
Sun 18/500:10PNH - SYD
1 stop29h 50mChina Eastern
Deal found 24/3$1,102
Thu 1/515:00SYD - PNH
2 stops22h 15mCathay Pacific
Mon 19/511:25PNH - SYD
2 stops20h 00mCathay Pacific
Deal found 24/3$1,160
Sun 30/1122:10SYD - PNH
1 stop22h 05mChina Airlines
Sun 18/111:35PNH - SYD
1 stop20h 35mChina Airlines
Deal found 23/3$1,265
Thu 1/519:40SYD - PNH
1 stop30h 25mAir China
Sun 18/500:20PNH - SYD
1 stop35h 30mAir China
Deal found 24/3$3,364
Sat 20/1221:15SYD - PNH
3 stops45h 05mTurkish Airlines
Sat 31/118:40PNH - SYD
3 stops44h 55mTurkish Airlines
Deal found 24/3$5,548
Wed 11/611:00SYD - PNH
1 stop33h 40mSingapore Airlines
Sun 15/609:35PNH - SYD
1 stop17h 20mSingapore Airlines
Deal found 24/3$8,036

Cheapflights Fare Finder

Locate flights to Phnom Penh that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 24 March 2025.
Use the filters below to find and compare flights to Phnom Penh that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Wed 4/6

09:15-19:35

1 stop13h 20m

Phnom Penh Pochentong

Thu 19/6

15:35-19:40

1 stop25h 05m

$749

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 5/6

10:15-19:40

1 stop12h 25m

Phnom Penh Pochentong

Wed 18/6

16:25-08:15

1 stop12h 50m

$778

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 1/5

10:05-00:10

1 stop17h 05m

Phnom Penh Pochentong

Mon 19/5

15:35-19:40

1 stop25h 05m

$821

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Fri 1/8

22:10-17:25

1 stop22h 15m

Phnom Penh Pochentong

Sat 23/8

18:20-19:35

1 stop22h 15m

$822

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 8/5

10:10-00:15

1 stop17h 05m

Phnom Penh Pochentong

Sat 17/5

01:15-08:00

1 stop27h 45m

$923

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Mon 12/5

20:30-23:15

1 stop29h 45m

Phnom Penh Pochentong

Sun 18/5

00:10-09:00

1 stop29h 50m

$1,102

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 1/5

15:00-10:15

2 stops22h 15m

Phnom Penh Pochentong

Mon 19/5

11:25-10:25

2 stops20h 00m

$1,160

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Thu 1/5

19:40-23:05

1 stop30h 25m

Phnom Penh Pochentong

Sun 18/5

00:20-14:50

1 stop35h 30m

$3,364

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Wed 11/6

11:00-17:40

1 stop33h 40m

Phnom Penh Pochentong

Sun 15/6

09:35-05:55

1 stop17h 20m

$8,036

SydneyPhnom Penh

SYD - PNH

SYDPNH

Sydney Kingsford Smith

Tue 3/6

21:15-11:20

1 stop17h 05m

$329

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 13 results
1
2

Best time to book a flight to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh 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.

Cheapflights Insights

Everything you need to know about your flight to Phnom Penh

When is the best time to book a flight to Phnom Penh?

Use this chart to determine the optimal time to book a return flight from Sydney to Phnom Penh. Price data was last updated on 21 March 2025.

The price you pay for your flight to Phnom Penh may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Phnom Penh?

On average, a flight from Sydney to Phnom Penh takes 11 hours 50 minutes. Flights to Phnom Penh from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Phnom Penh?

Use this chart to determine the cheapest time to fly return from Sydney to Phnom Penh. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Phnom Penh should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at midday, when prices are usually at their highest.

What are the most popular airlines that fly to Phnom Penh?

The most popular airlines flying from Sydney to Phnom Penh are Singapore Airlines, Cathay Pacific and Malaysia Airlines.

Singapore Airlines

Singapore Airlines

From $472

Cathay Pacific

Cathay Pacific

From $594

Malaysia Airlines

Malaysia Airlines

From $476

China Southern

China Southern

From $433

What are the cheapest airlines that fly to Phnom Penh?

The cheapest airlines flying from Sydney to Phnom Penh are China Southern, XiamenAir and Philippine Airlines.

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 mm per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).

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 24 March 2025.
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,284 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Vietnam Airlines
7.6
Good
192 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
832 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
China Southern
7.5
Good
90 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Malaysia Airlines
7.3
Good
251 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.7

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

FAQs about flying to Phnom Penh

Phnom Penh climate

Phnom Penh is a year-round destination which has a tropical wet and dry climate. Temperatures are hot throughout the year, usually between 22 and 35 degrees Celsius, so perfect for those looking for some sun. 

Getting around Phnom Penh

Walking around the centre of Phnom Penh is an enjoyable way to get a feel for the city, but to get around the suburbs, travelling by tuk-tuk or taxi is advisable. You can rent motorbikes at a very cheap rate as well, if you are confident about dodging traffic (and don’t forget to rent a helmet as well). However, a more sedate form of local transport is the fleet of three-wheeled cycle rickshaws.

Getting from the Airport to the City

Phnom Penh International Airport (PNH) is located 10 km from the city. For those getting off flights, there will be taxis gathered directly outside the arrivals terminal, and they should charge a flat rate to get you into the city. For an even cheaper ride, leave the airport and catch a tuk-tuk or one of the many motorcycles that will ferry those with less luggage into town. There is also a city bus that will take you straight to the Central Market. If you decide to hire a car during your visit, to make sure a car is available, you may want to reserve the car once you have booked your flights to Phnom Penh.

  • What airport do you fly into for flights to Phnom Penh?

    If you book a flight to Phnom Penh, you will be flying into Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 8.0 km from the centre of Phnom Penh.

  • Can I find cheaper flights to Phnom Penh if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Phnom Penh on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Phnom Penh?

    Based on reviews from Cheapflights users, AirAsia is rated the highest out of the airlines that fly to Phnom Penh.

  • What is the cheapest airport to fly to in Phnom Penh?

    Phnom Penh Pochentong is currently the cheapest airport to fly to in Phnom Penh. One-way flights to Phnom Penh Pochentong typically cost $55, while return flights cost around $177.

  • How much is a return flight to Phnom Penh?

    A return flight to Phnom Penh will typically cost around $144, however they can be found for as little as $111.

  • Where does the fastest flight to Phnom Penh depart from?

    For those looking to save time traveling to Phnom Penh, Perth offers the quickest one-way flight (10 hours 50 minutes).

  • Does Phnom Penh Pochentong have car hire?

    Yes. Those touching down at Phnom Penh Pochentong can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Phnom Penh Pochentong?

    Yes. Phnom Penh Pochentong has hotels nearby for those requiring accommodations. Chinese Guesthouse is the closest property to Phnom Penh Pochentong (0.0 km away from Phnom Penh Pochentong).

See more FAQs

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Need flexible booking options for your flight to Phnom Penh ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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