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Cheap flights from Hong Kong to Phnom Penh from HK$1,229

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 27-10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — PNH
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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

Cheap flight deals from Hong Kong to Phnom Penh

Keep the following information in mind while searching for Hong Kong to Phnom Penh flight deals. Data was last updated 17 September 2025.

Round-trip from

HK$11,974

One-way from

HK$1,229

Popular in

November

Cheapest in

July

Average price

HK$3,307

Good round-trip deal

HK$1,617 or less

Good one-way deal

HK$849 or less
2-10-6-10
  • 2-10-6-10
  • 6 total stops
  • 68h 15m total
  • Hong Kong to Phnom Penh
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27-10
  • 27-10
  • 1 total stop
  • 9h 40m total
  • Hong Kong to Phnom Penh
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (HK$3,674 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 to Phnom Penh Pochentong.
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Price to beat on a one-way flight from Hong Kong 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 17 September 2025.

Thu 9-1011:55HKG - PNH
3 stops44h 00mMultiple Airlines
Mon 13-1008:30PNH - HKG
3 stops28h 20mMultiple Airlines
Deal found 15-9HK$11,102
Thu 2-1016:00HKG - PNH
3 stops39h 55mMultiple Airlines
Mon 6-1008:30PNH - HKG
3 stops28h 20mMultiple Airlines
Deal found 15-9HK$11,974
Tue 7-1020:35HKG - PNH
2 stops35h 20mMultiple Airlines
Tue 21-1008:30PNH - HKG
3 stops38h 10mMultiple Airlines
Deal found 15-9HK$12,083
Fri 31-1008:45HKG - PNH
3 stops34h 40mMultiple Airlines
Fri 7-1107:55PNH - HKG
3 stops30h 45mMultiple Airlines
Deal found 15-9HK$12,620
Thu 30-1013:30HKG - PNH
3 stops42h 00mMultiple Airlines
Thu 6-1119:50PNH - HKG
3 stops33h 30mMultiple Airlines
Deal found 14-9HK$13,740
Fri 3-1007:40HKG - PNH
3 stops24h 15mMultiple Airlines
Tue 7-1008:30PNH - HKG
3 stops38h 05mMultiple Airlines
Deal found 15-9HK$14,806

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 17 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

Thu 9-10

11:55-06:55

3 stops44h 00m

Phnom Penh Pochentong

Mon 13-10

08:30-13:50

3 stops28h 20m

HK$11,102

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Tue 7-10

22:40-06:55

2 stops33h 15m

Phnom Penh Pochentong

Tue 21-10

08:30-05:40

2 stops20h 10m

HK$11,974

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Thu 2-10

16:00-06:55

3 stops39h 55m

Phnom Penh Pochentong

Mon 6-10

08:30-13:50

3 stops28h 20m

HK$11,974

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Fri 31-10

08:45-18:25

3 stops34h 40m

Phnom Penh Pochentong

Fri 7-11

07:55-15:40

3 stops30h 45m

HK$12,620

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Thu 30-10

13:30-06:30

3 stops42h 00m

Phnom Penh Pochentong

Thu 6-11

19:50-07:55

3 stops35h 05m

HK$14,541

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Fri 3-10

07:40-06:55

3 stops24h 15m

Phnom Penh Pochentong

Tue 7-10

08:30-23:35

3 stops38h 05m

HK$14,806

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Mon 27-10

07:50-16:30

1 stop9h 40m

HK$1,229

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sun 26-10

16:55-08:25

2 stops16h 30m

HK$1,393

Flights are sorted by cheapest return flights first.

Deals found on 16-9

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 HK 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 17 September 2025.

One of the essential ways to save on airfare from Hong Kong to Phnom Penh is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 56% on airfare.

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 17 September 2025.
Read reviews from past customers who have flown with Cathay Pacific from Hong Kong to Phnom Penh. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
998 reviews
Check prices

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Entertainment

7.8

Food

7.3

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
998 reviews
Cathay Pacific
7.6
Good
998 reviews
Check prices

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Entertainment

7.8

Food

7.3

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.

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

    For a flight from Hong Kong to Phnom Penh, you will be flying into Pochentong. Phnom Penh Pochentong (PNH) is just 8.0 km from the centre of the city.

  • 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 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$1,341. 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$1,414 and HK$2,923, 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?

    Consider Finnair (90%), 柬埔寨航空 (90%) or Qatar Airways (72%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to Phnom Penh.

  • 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$2,013, our data indicates the cheapest price to be HK$729. The most popular route (Hong Kong Intl - Phnom Penh Pochentong), is priced around HK$10,799.

  • 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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Alternative routes for Hong Kong to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Phnom Penh flights

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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapestHK$1,341AverageHK$1,545FlexibilityNo cancel feeOn-timeN/A
Search Cambodia Angkor Air flights
柬埔寨航空CheapestHK$1,414AverageHK$1,589FlexibilityNo cancel feeOn-timeN/A
Search 柬埔寨航空 flights
Cathay PacificCheapestHK$2,923AverageHK$3,347FlexibilityNo 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Phnom Penh. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Phnom Penh from Hong Kong.

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

Certainly. Search results for flights to Phnom Penh from Hong Kong 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 Hong Kong to Phnom Penh become cheaper?

Of course! You can now track prices for flights from Hong Kong 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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