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Cheap flights from Hong Kong to Phnom Penh from HK$5,001

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 18-10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — PNH
14 Oct — 21 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Hong Kong Intl to Phnom Penh Pochentong are usually found in July or May, booked 76 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Hong Kong to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) 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 14 September 2025.

Round-trip from

HK$10,865

One-way from

HK$5,001

Popular in

November

Cheapest in

July

Average price

HK$3,305

Good round-trip deal

HK$1,616 or less

Good one-way deal

HK$849 or less
28-10-4-11
  • 28-10-4-11
  • 6 total stops
  • 70h 05m total
  • Hong Kong to Phnom Penh
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18-10
  • 18-10
  • 2 total stops
  • 35h 05m total
  • Hong Kong to Phnom Penh
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Highest demand for flights based on searches. 14% potential increase in price (HK$3,665 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (HK$597 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Hong Kong Intl to Phnom Penh Pochentong.
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Price to beat on a one-way flight from Hong Kong Intl to Phnom Penh Pochentong.
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Find flight deals from Hong Kong to Phnom Penh

Cheapest flights from Hong Kong to Phnom Penh
Explore the most affordable flight options available from Hong Kong to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2025.

Tue 28-1015:10HKG - PNH
3 stops40h 20mMultiple Airlines
Tue 4-1107:55PNH - HKG
3 stops29h 45mMultiple Airlines
Deal found 13-9HK$10,865
Tue 14-1011:55HKG - PNH
3 stops44h 00mMultiple Airlines
Tue 21-1008:30PNH - HKG
3 stops38h 10mMultiple Airlines
Deal found 14-9HK$11,231
Sun 26-1001:40HKG - PNH
3 stops29h 50mMultiple Airlines
Mon 3-1107:55PNH - HKG
3 stops29h 45mMultiple Airlines
Deal found 11-9HK$12,887

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong 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 70,647 searches. Data last updated 14 September 2025.
Use the filters below to find and compare flights from Hong Kong to Phnom Penh that are best for you.

Fly from

Hong Kong

Fly to

Phnom Penh

Route

Departure

Return

Price

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Tue 28-10

15:10-06:30

3 stops40h 20m

Phnom Penh Pochentong

Tue 4-11

07:55-14:40

3 stops29h 45m

HK$10,865

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Tue 14-10

11:55-06:55

3 stops44h 00m

Phnom Penh Pochentong

Tue 21-10

08:30-23:40

3 stops38h 10m

HK$11,231

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sun 26-10

01:40-06:30

3 stops29h 50m

Phnom Penh Pochentong

Mon 3-11

07:55-14:40

3 stops29h 45m

HK$12,887

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sat 18-10

11:55-06:55

3 stops44h 00m

HK$5,281

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Mon 8-12

07:25-18:25

3 stops36h 00m

HK$5,281

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Fri 28-11

12:00-18:25

3 stops31h 25m

HK$5,569

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Mon 8-12

19:35-18:25

1 stop23h 50m

HK$5,989

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Tue 28-10

12:00-06:30

3 stops43h 30m

HK$6,665

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sun 5-10

22:05-06:55

2 stops33h 50m

HK$7,132

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Wed 26-11

00:05-06:30

2 stops31h 25m

HK$7,140

Flights are sorted by cheapest return flights first.

Deals found on 12-9

Showing 1-10 of 12 results
1
2

Best time to book a flight from Hong Kong to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Hong Kong 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 from Hong Kong to Phnom Penh

How far ahead should I book a flight from Hong Kong to Phnom Penh?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Phnom Penh. Price data was last updated on 12 September 2025.

The price you pay for your flight from Hong Kong to Phnom Penh may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Find hourly flight availability from Hong Kong to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 September 2025.

It’s optimal to fly from Hong Kong to Phnom Penh in the evening. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from Hong Kong to Phnom Penh?

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 14 September 2025.
See what other customers who have flown with Cathay Pacific from Hong Kong 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.
Cathay Pacific
7.6
Good
993 reviews
Check prices

Boarding

7.9

Comfort

7.6

Overall

7.6

Crew

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Cathay Pacific
7.6
Good
993 reviews
Cathay Pacific
7.6
Good
993 reviews
Check prices

Boarding

7.9

Comfort

7.6

Overall

7.6

Crew

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Related info for your journey

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

  • How popular is this Hong Kong to Phnom Penh flight route?

    Within the past month, 68 users have taken a look at flights from Hong Kong Intl to Phnom Penh Pochentong.

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

    Flying on Cambodia Angkor Air is currently your cheapest option to Phnom Penh, with prices starting at HK$1,340. Additional round-trip tickets that might be worth considering are offered by 柬埔寨航空 and Cathay Pacific, with the lowest prices starting at HK$1,413 and HK$2,922, respectively. These flights start at 51% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Hong Kong to Phnom Penh?

    No one likes to see their flight delayed. When booking a flight from Hong Kong to Phnom Penh consider choosing Finnair(90%), 柬埔寨航空(88%) or Qatar Airways(72%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Hong Kong to Phnom Penh?

    Looking for the cheapest flight from Hong Kong to Phnom Penh? While on average our users pay HK$2,012, our data indicates the cheapest price to be HK$729. The most popular route (Hong Kong Intl - Phnom Penh Pochentong), is priced around HK$16,216.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hong Kong 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.

See more FAQs

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Fly from Hong Kong to Phnom Penh on these airlines

Choose from the following airlines for your flight from Hong Kong to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 14 September 2025.
Cathay Pacific flights from Hong Kong Intl to Phnom Penh Pochentong

Top 3 airlines flying from Hong Kong to Phnom Penh

Discover the top 3 airlines that operate flights from Hong Kong 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 70,647 searches. Data last updated 14 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapestHK$1,340AverageHK$1,545FlexibilityNo cancel feeOn-timeN/A
Search Cambodia Angkor Air flights
柬埔寨航空CheapestHK$1,413AverageHK$1,588FlexibilityNo cancel feeOn-timeN/A
Search 柬埔寨航空 flights
Cathay PacificCheapestHK$2,922AverageHK$3,355FlexibilityNo 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 Hong Kong to Phnom Penh?

Deals for Hong Kong to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Phnom Penh from Hong Kong 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 Hong Kong to Phnom Penh with no change fees?

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

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

Yes! Start tracking prices for Hong Kong to Phnom Penh flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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