$156 Cheap Flights from Phnom Penh (PNH) to Hong Kong (HKG)

View $156 flight on Fri, Sep 26, 2025Opens in a new window

Popular airlines from Phnom Penh Intl. Airport (PNH) to Hong Kong International Airport (HKG)

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Cheap Flights from Phnom Penh to Hong Kong (PNH-HKG)

Prices were available within the past 7 days and start at $156 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Tue, Sep 2 - Fri, Sep 5
PNH
Phnom Penh
HKG
Hong Kong SAR
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Cathay Pacific flight, departing Tue, Sep 2 from Phnom Penh to Hong Kong SAR, returning Fri, Sep 5, priced at $257 just found
Cambodia Airways
Tue, Aug 5 - Tue, Aug 12
PNH
Phnom Penh
HKG
Hong Kong SAR
$270 Roundtrip, found 6 days ago
$270
Roundtrip
found 6 days ago
Select Cambodia Airways flight, departing Tue, Aug 5 from Phnom Penh to Hong Kong SAR, returning Tue, Aug 12, priced at $270 found 6 days ago
Cambodia Airways
Tue, Aug 5 - Thu, Aug 7
PNH
Phnom Penh
HKG
Hong Kong SAR
$290 Roundtrip, found 5 hours ago
$290
Roundtrip
found 5 hours ago
Select Cambodia Airways flight, departing Tue, Aug 5 from Phnom Penh to Hong Kong SAR, returning Thu, Aug 7, priced at $290 found 5 hours ago
Cathay Pacific
Mon, Sep 1 - Sat, Sep 6
PNH
Phnom Penh
HKG
Hong Kong SAR
$296 Roundtrip, found 11 hours ago
$296
Roundtrip
found 11 hours ago
Select Cathay Pacific flight, departing Mon, Sep 1 from Phnom Penh to Hong Kong SAR, returning Sat, Sep 6, priced at $296 found 11 hours ago
Air Cambodia
Mon, Oct 13 - Thu, Oct 16
PNH
Phnom Penh
HKG
Hong Kong SAR
$300 Roundtrip, just found
$300
Roundtrip
just found
Select Air Cambodia flight, departing Mon, Oct 13 from Phnom Penh to Hong Kong SAR, returning Thu, Oct 16, priced at $300 just found
Air Cambodia
Fri, Sep 5 - Sat, Sep 6
PNH
Phnom Penh
HKG
Hong Kong SAR
$301 Roundtrip, just found
$301
Roundtrip
just found
Select Air Cambodia flight, departing Fri, Sep 5 from Phnom Penh to Hong Kong SAR, returning Sat, Sep 6, priced at $301 just found
Cathay Pacific
Sun, Aug 31 - Tue, Sep 2
PNH
Phnom Penh
HKG
Hong Kong SAR
$302 Roundtrip, just found
$302
Roundtrip
just found
Select Cathay Pacific flight, departing Sun, Aug 31 from Phnom Penh to Hong Kong SAR, returning Tue, Sep 2, priced at $302 just found
Cambodia Airways
Thu, Jul 31 - Tue, Aug 5
PNH
Phnom Penh
HKG
Hong Kong SAR
$303 Roundtrip, found 5 hours ago
$303
Roundtrip
found 5 hours ago
Select Cambodia Airways flight, departing Thu, Jul 31 from Phnom Penh to Hong Kong SAR, returning Tue, Aug 5, priced at $303 found 5 hours ago
Vietnam Airlines
Mon, Oct 13 - Thu, Oct 16
PNH
Phnom Penh
HKG
Hong Kong SAR
$327 Roundtrip, just found
$327
Roundtrip
just found
Select Vietnam Airlines flight, departing Mon, Oct 13 from Phnom Penh to Hong Kong SAR, returning Thu, Oct 16, priced at $327 just found
Philippine Airlines
Sun, Nov 9 - Sat, Nov 15
PNH
Phnom Penh
HKG
Hong Kong SAR
$374 Roundtrip, found 3 hours ago
$374
Roundtrip
found 3 hours ago
Select Philippine Airlines flight, departing Sun, Nov 9 from Phnom Penh to Hong Kong SAR, returning Sat, Nov 15, priced at $374 found 3 hours ago

Find the cheapest month to fly from Phnom Penh (PNH) to Chek Lap Kok (HKG)

June is typically the cheapest month to fly

From $254 - $368 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chek Lap Kok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Macau Intl. MFM. Flights from $404
MFM
Macau Intl.
Flights from $404
Flights from Phnom Penh (PNH) to Hong Kong (HKG)
Origin airport
Phnom Penh Intl.
Destination airport
Hong Kong Intl.
Airlines serving
Air Cambodia, Cambodia Airways, Cathay Pacific, China Airlines, China Eastern Airlines, EVA Airways, Malaysia Airlines, Philippine Airlines, Singapore Airlines, Thai Airways International, Vietnam Airlines
Roundtrip price
$256
Distance
955 mi
Average flight time
3 hours 42 mins

Phnom Penh to Hong Kong Flights

The cheapest times to fly from Phnom Penh to Hong Kong

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phnom Penh to Hong Kong are during the month of September. You can find some of the cheapest flights from Phnom Penh to Hong Kong with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phnom Penh to Hong Kong

Sunday is one of the best days to book for cheap flights from Phnom Penh to Hong Kong: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phnom Penh to Hong Kong

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phnom Penh to Hong Kong in 2025. You can also book with separate airlines for your outbound and return journeys, from $156 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phnom Penh to Hong Kong flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phnom Penh to Hong Kong airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG) cost?
Cheap round-trip flights from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG) start at $257. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Cathay Pacific flight leaving PNH on August 19 2025 and touching down at HKG. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from PNH to HKG?
The cheapest flights from PNH to HKG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG)?
When setting off from Phnom Penh Intl. Airport (PNH), you can get on a nonstop flight to Hong Kong Intl. Airport (HKG) with Cathay Pacific.
What is the cheapest airline that flies from PNH to HKG?
Travel from PNH to HKG with Hahn Air. This carrier currently has the lowest one-way fare for this route, starting at $158. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PNH on August 5 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG)?
With an average of 2 direct flights that operate from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG) each day, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG)?
Flights between PNH and HKG are busiest at 11 AM. If you'd like a more relaxed trip and potentially cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from PNH to HKG?
Depart on a Friday if you're searching for the biggest selection of flights from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG).
What is the earliest flight from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG)?
The earliest flight leaving from Phnom Penh Intl. Airport (PNH) is at around 7:25AM UTC+7. Hop on this flight and you'll touch down at Hong Kong Intl. Airport (HKG) at approximately 10:55AM UTC+8. The total flight duration is 2h 30m.
How long does it take to fly from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG)?
It takes about 2 hours and 37 minutes to fly the 960 mi from PNH to HKG.
What airline has the least delays from PNH to HKG?
Cathay Pacific has the best performance for on-time direct flights from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG), with an on-time rating of 90%. Use the Expedia App to see your journey status before you leave and receive notifications about any trip changes.
What is the best time to fly from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG)?
To reach Hong Kong Intl. Airport (HKG) on schedule, book a flight that leaves from Phnom Penh Intl. Airport (PNH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Hong Kong from Phnom Penh Intl. Airport (PNH)?
If you're boarding a direct flight from Phnom Penh Intl. Airport (PNH) to Hong Kong, Hong Kong Intl. Airport (HKG) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG) last-minute?
Last-minute fares from PNH to HKG are typically more expensive. For the lowest prices, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, you may land a cheap ticket right before you leave.
Is it cheaper to book a PNH to HKG flight and hotel package?
Booking a PNH to HKG flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phnom Penh Intl. Airport (PNH) to Hong Kong Intl. Airport (HKG)?
If you booked your PNH to HKG flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.