$112 Cheap Flights from Hong Kong (HKG) to Phnom Penh (PNH)

View $112 flight on Fri, Sep 19, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $112 for one-way flights and $211 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cambodia Airways
Sat, Aug 23 - Tue, Aug 26
HKG
Hong Kong SAR
PNH
Phnom Penh
$211 Roundtrip, found 2 days ago
$211
Roundtrip
found 2 days ago
Select Cambodia Airways flight, departing Sat, Aug 23 from Hong Kong SAR to Phnom Penh, returning Tue, Aug 26, priced at $211 found 2 days ago
Cambodia Airways
Sat, Aug 16 - Tue, Aug 19
HKG
Hong Kong SAR
PNH
Phnom Penh
$212 Roundtrip, found 17 hours ago
$212
Roundtrip
found 17 hours ago
Select Cambodia Airways flight, departing Sat, Aug 16 from Hong Kong SAR to Phnom Penh, returning Tue, Aug 19, priced at $212 found 17 hours ago
Cambodia Airways
Thu, Aug 14 - Tue, Aug 19
HKG
Hong Kong SAR
PNH
Phnom Penh
$224 Roundtrip, found 17 hours ago
$224
Roundtrip
found 17 hours ago
Select Cambodia Airways flight, departing Thu, Aug 14 from Hong Kong SAR to Phnom Penh, returning Tue, Aug 19, priced at $224 found 17 hours ago
Cambodia Airways
Sat, Sep 6 - Tue, Sep 9
HKG
Hong Kong SAR
PNH
Phnom Penh
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select Cambodia Airways flight, departing Sat, Sep 6 from Hong Kong SAR to Phnom Penh, returning Tue, Sep 9, priced at $241 found 2 days ago
Cambodia Airways
Tue, Aug 12 - Tue, Aug 19
HKG
Hong Kong SAR
PNH
Phnom Penh
$261 Roundtrip, found 17 hours ago
$261
Roundtrip
found 17 hours ago
Select Cambodia Airways flight, departing Tue, Aug 12 from Hong Kong SAR to Phnom Penh, returning Tue, Aug 19, priced at $261 found 17 hours ago
Cambodia Airways
Tue, Sep 30 - Fri, Oct 10
HKG
Hong Kong SAR
PNH
Phnom Penh
$269 Roundtrip, found 12 hours ago
$269
Roundtrip
found 12 hours ago
Select Cambodia Airways flight, departing Tue, Sep 30 from Hong Kong SAR to Phnom Penh, returning Fri, Oct 10, priced at $269 found 12 hours ago
Cathay Pacific
Fri, Aug 15 - Sun, Aug 17
HKG
Hong Kong SAR
PNH
Phnom Penh
$279 Roundtrip, found 17 hours ago
$279
Roundtrip
found 17 hours ago
Select Cathay Pacific flight, departing Fri, Aug 15 from Hong Kong SAR to Phnom Penh, returning Sun, Aug 17, priced at $279 found 17 hours ago
Greater Bay Airlines
Tue, Aug 12 - Wed, Aug 13
HKG
Hong Kong SAR
PNH
Phnom Penh
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select Greater Bay Airlines flight, departing Tue, Aug 12 from Hong Kong SAR to Phnom Penh, returning Wed, Aug 13, priced at $281 found 5 days ago
Vietnam Airlines
Wed, Aug 13 - Tue, Aug 19
HKG
Hong Kong SAR
PNH
Phnom Penh
$303 Roundtrip, found 17 hours ago
$303
Roundtrip
found 17 hours ago
Select Vietnam Airlines flight, departing Wed, Aug 13 from Hong Kong SAR to Phnom Penh, returning Tue, Aug 19, priced at $303 found 17 hours ago
China Eastern Airlines
Wed, Aug 13 - Wed, Aug 20
HKG
Hong Kong SAR
PNH
Phnom Penh
$314 Roundtrip, found 17 hours ago
$314
Roundtrip
found 17 hours ago
Select China Eastern Airlines flight, departing Wed, Aug 13 from Hong Kong SAR to Phnom Penh, returning Wed, Aug 20, priced at $314 found 17 hours ago

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

July is typically the cheapest month to fly

From $194 - $292 per traveler.

Graph displaying average flight prices per month

Alternative airports near Phnom Penh

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

Select flight to Phnom Penh Intl. PNH. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $279
PNH
Phnom Penh Intl.
CheapestClosest
Average driving time to city center14 min
Flights from $279
Flights from Hong Kong (HKG) to Phnom Penh (PNH)
Origin airport
Hong Kong Intl.
Destination airport
Phnom Penh Intl.
Airlines serving
Cathay Pacific, China Airlines, China Eastern Airlines, EVA Airways, Malaysia Airlines, Philippine Airlines, Thai Airways International, Vietnam Airlines
Roundtrip price
$210
Distance
955 mi
Average flight time
1 hour 40 mins

Hong Kong to Phnom Penh Flights

The cheapest times to fly from Hong Kong to Phnom Penh

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 Hong Kong to Phnom Penh are during the month of August. You can find some of the cheapest flights from Hong Kong to Phnom Penh with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Hong Kong to Phnom Penh: 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 Hong Kong to Phnom Penh

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 Hong Kong to Phnom Penh in 2025. You can also book with separate airlines for your outbound and return journeys, from $112 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 Hong Kong to Phnom Penh 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 Hong Kong to Phnom Penh 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 Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH) cost?
Secure a cheap one-way flight from $112 or cheap return flight from $211 from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
August is the most affordable month to fly from HKG to PNH. Planning your trip for the off-season is often the key to finding better fares.
Which airlines fly direct from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
You can fly nonstop from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH) on a Cathay Pacific flight.
What is the cheapest airline that flies from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
The cheapest airline to offer flights between Hong Kong Intl. Airport (HKG) and Phnom Penh Intl. Airport (PNH) will vary based on when you want to travel. Cambodia Angkor Air and Cathay Pacific are just some good options offering competitive fares. Use Expedia's filter tool to compare airlines in one place and find the right HKG to PNH flight that fits your budget.
How many flights per day from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
Every day on average, 2 direct flights take off from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH). Choose the departure date that best fits your itinerary.
What are the most popular departure times for flights from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
The 8 AM departures from HKG to PNH are the busiest. Greater demand means you'll likely pay more for these departures. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from HKG to PNH?
Jet off on a Friday if you're after the largest selection of flights from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH).
What is the earliest flight from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
Hop on the earliest flight at around 8:40AM UTC+8, departing from Hong Kong Intl. Airport (HKG). You'll be flying for approximately 2h 45m, landing at Phnom Penh Intl. Airport (PNH) at approximately 10:25AM UTC+7.
How long does it take to fly from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
Flights from HKG to PNH have an average travel time of 2 hours and 41 minutes. The distance between the two airports is 960 mi.
What airline has the least delays from HKG to PNH?
With 85% of flights usually landing on schedule, Cathay Pacific has the best on-time performance for nonstop flights from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH). To keep track of your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
To avoid possible delays on the Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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 Phnom Penh from Hong Kong Intl. Airport (HKG)?
If you're on a direct flight from Hong Kong Intl. Airport (HKG) to Phnom Penh, Phnom Penh Intl. Airport (PNH) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH) last-minute?
Booking your ticket from HKG to PNH right before your getaway is usually more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a HKG to PNH flight and hotel package?
Opting for a HKG to PNH flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Phnom Penh Intl. Airport (PNH)?
Generally, it's possible to cancel or reschedule your HKG to PNH flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.