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Cheap flights from Hong Kong to Phnom Penh from $724

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Phnom Penh departing on 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Hong Kong to Phnom Penh

Cheap round-trip flights

Logo
1:30 pm - 6:55 amHKG-PNH
42h 25m3 stops
Logo
8:30 am - 11:40 pmPNH-HKG
38h 10m3 stops
$1,379
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
10:05 pm - 6:55 amHKG-PNH
33h 50m3 stops
Logo
8:30 am - 11:40 pmPNH-HKG
38h 10m3 stops
$1,407
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
1:30 pm - 6:55 amHKG-PNH
42h 25m3 stops
Logo
8:30 am - 5:00 pmPNH-HKG
31h 30m2 stops
$1,431
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
6:30 pm - 6:55 amHKG-PNH
37h 25m3 stops
Logo
8:30 am - 8:50 pmPNH-HKG
35h 20m3 stops
$1,526
Find Deal
Sun, Oct 19 - Sat, Oct 25
Logo
8:15 pm - 6:30 amHKG-PNH
35h 15m3 stops
Logo
7:55 am - 8:50 pmPNH-HKG
35h 55m3 stops
$1,559
Find Deal
Sat, Oct 25 - Sat, Nov 1
Logo
8:35 pm - 6:55 amHKG-PNH
35h 20m2 stops
Logo
8:30 am - 11:40 pmPNH-HKG
38h 10m3 stops
$1,588
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
6:30 pm - 6:55 amHKG-PNH
37h 25m3 stops
Logo
8:30 am - 12:05 pmPNH-HKG
26h 35m2 stops
$1,625
Find Deal
Sun, Oct 19 - Sat, Oct 25
Logo
6:30 pm - 6:55 amHKG-PNH
37h 25m2 stops
Logo
8:30 am - 5:00 pmPNH-HKG
31h 30m2 stops
$1,665
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
10:30 pm - 6:30 amHKG-PNH
33h 00m2 stops
Logo
7:55 am - 8:50 pmPNH-HKG
35h 55m3 stops
$1,783
Find Deal
Sat, Oct 25 - Sat, Nov 1
Logo
1:25 am - 6:55 amHKG-PNH
30h 30m2 stops
Logo
8:30 am - 8:50 pmPNH-HKG
35h 20m3 stops
$1,863
Find Deal
Sat, Oct 18 - Sat, Oct 25

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Hong Kong to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Thu 10/9

1:30 pm-6:55 am

3 stops42h 25m

Phnom Penh Pochentong

Thu 10/16

8:30 am-11:40 pm

3 stops38h 10m

$1,379

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Thu 10/9

10:05 pm-6:55 am

3 stops33h 50m

Phnom Penh Pochentong

Thu 10/16

8:30 am-11:40 pm

3 stops38h 10m

$1,407

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Thu 10/9

1:30 pm-6:55 am

3 stops42h 25m

Phnom Penh Pochentong

Thu 10/16

8:30 am-5:00 pm

2 stops31h 30m

$1,431

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sun 10/19

6:30 pm-6:55 am

3 stops37h 25m

Phnom Penh Pochentong

Sat 10/25

8:30 am-8:50 pm

3 stops35h 20m

$1,526

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sat 10/25

8:15 pm-6:30 am

3 stops35h 15m

Phnom Penh Pochentong

Sat 11/1

7:55 am-8:50 pm

3 stops35h 55m

$1,559

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Thu 10/9

8:35 pm-6:55 am

2 stops35h 20m

Phnom Penh Pochentong

Thu 10/16

8:30 am-11:40 pm

3 stops38h 10m

$1,588

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sun 10/19

6:30 pm-6:55 am

3 stops37h 25m

Phnom Penh Pochentong

Sat 10/25

8:30 am-12:05 pm

2 stops26h 35m

$1,625

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Thu 10/9

6:30 pm-6:55 am

2 stops37h 25m

Phnom Penh Pochentong

Thu 10/16

8:30 am-5:00 pm

2 stops31h 30m

$1,665

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sat 10/25

10:30 pm-6:30 am

2 stops33h 00m

Phnom Penh Pochentong

Sat 11/1

7:55 am-8:50 pm

3 stops35h 55m

$1,783

Hong KongPhnom Penh

HKG - PNH

HKGPNH

Hong Kong Intl

Sat 10/18

1:25 am-6:55 am

2 stops30h 30m

Phnom Penh Pochentong

Sat 10/25

8:30 am-8:50 pm

3 stops35h 20m

$1,863

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phnom Penh from

How to get the cheapest flight ticket from Hong Kong to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phnom Penh?

In general, July is the cheapest month to fly from Hong Kong to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $191. If you aren’t able to travel to Phnom Penh during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $250.

What is the cheapest day to depart on your flight to Phnom Penh?

The cheapest day to depart from Hong Kong to Phnom Penh is on a Thursday. Travelers who choose to depart for Phnom Penh on a Thursday will often find tickets for as low as $283. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to Phnom Penh for around $489.

What is the cheapest time of day to depart on your flight to Phnom Penh?

According to our data, the cheapest time of day to fly to Phnom Penh is in the evening. momondo users have found flights departing from Hong Kong to Phnom Penh in the evening for as low as $362. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly in the morning, with an average ticket price of $458. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Hong Kong Intl to Phnom Penh Pochentong flight route?

Fly from Hong Kong Intl to Phnom Penh Pochentong for the best Hong Kong Intl - Phnom Penh Pochentong flight prices

How far in advance should I book a flight to Phnom Penh?

You are more likely to see cheaper flights to Phnom Penh from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $356 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from Hong Kong for as low as $196 on momondo.

What cabin class options are available on Hong Kong Intl to Phnom Penh Pochentong flights?

There are 3 cabin classes available to choose from on Hong Kong Intl to Phnom Penh Pochentong flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Hong Kong to Phnom Penh flight prices changed over time?

As of September 2025, prices for Hong Kong to Phnom Penh flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Hong Kong to Phnom Penh

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Phnom Penh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hong Kong to Phnom Penh (HKG to PNH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Phnom Penh

Direct flights

None
There are no direct flights from Hong Kong to Phnom Penh. There are no popular flight routes from Hong Kong to Phnom Penh.
Search flight deals

  • How far is Hong Kong Intl to Phnom Penh Pochentong by plane?

    A flight from Hong Kong Intl to Phnom Penh Pochentong will travel around 961.5 mi. By plane, this route typically takes 30h 30m.

  • When did momondo last update prices for flights from Hong Kong Intl Airport to Phnom Penh Pochentong Airport?

    Prices for flights from Hong Kong Intl Airport to Phnom Penh Pochentong Airport refresh daily.

  • How many operators does momondo search for flights from Hong Kong Intl Airport to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from Hong Kong Intl Airport to Phnom Penh Pochentong Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong Intl Airport to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The necessary travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Hong Kong to Phnom Penh?

  • What is the most popular airline from Hong Kong to Phnom Penh?

Best airlines flying from Hong Kong to Phnom Penh

Compare and see reviews for airlines that fly from Hong Kong to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
Cambodia AirwaysPriceFrom $185Free CancellationRating
9.3
3 reviews
Search Cambodia Airways flights
Cambodia Angkor AirPriceFrom $189Free CancellationRating
8.2
10 reviews
Search Cambodia Angkor Air flights
Cathay PacificPriceFrom $406Free CancellationRating
7.6
993 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Phnom Penh?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to Phnom Penh for you.

Can I find flights from Hong Kong to Phnom Penh with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Phnom Penh from Hong Kong with this policy.

How can momondo help me find flights from Hong Kong to Phnom Penh?

momondo helps you find the best flight between Hong Kong and Phnom Penh by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Hong Kong to Phnom Penh right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Phnom Penh, momondo offers a useful price alert feature which will track prices for flights to Phnom Penh from Hong Kong and alert you when they change.

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