HK$667+ Cheap flights to Phnom Penh
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 13-8. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Phnom Penh in 2025
Find the latest flights to Phnom Penh in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 1 July 2025.
Return from | HK$1,397 |
---|---|
One-way from | HK$667 |
Popular in | December |
Cheapest in | May |
Average price | HK$2,535 |
Good round-trip deal | HK$1,447 or less |
Good one-way deal | HK$793 or less |
Find flight deals to Phnom Penh
Cheapest flights to Phnom PenhExplore the most affordable flight options available to Phnom Penh. Find the lowest fares based on data from user searches, with prices last updated on 1 July 2025.
Explore the most affordable flight options available to Phnom Penh. Find the lowest fares based on data from user searches, with prices last updated on 1 July 2025.
Cheapflights Fare Finder
Locate flights to Phnom Penh that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 1 July 2025.
Use the filters below to find and compare flights to Phnom Penh that are best for you.
Fly from
Route
Departure
Return
Price
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Mon 18-8
21:35-23:10
Nonstop2h 35m
Phnom Penh Pochentong
Fri 22-8
17:00-20:35
Nonstop2h 35m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Mon 18-8
14:30-21:40
1 stop8h 10m
Phnom Penh Pochentong
Fri 22-8
16:40-17:25
1 stop23h 45m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Thu 14-8
12:25-14:00
Nonstop2h 35m
Phnom Penh Pochentong
Thu 21-8
07:45-11:25
Nonstop2h 40m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Tue 12-8
08:00-14:20
1 stop7h 20m
Phnom Penh Pochentong
Fri 15-8
08:25-15:05
1 stop5h 40m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Thu 7-8
13:35-11:35
2 stops23h 00m
Phnom Penh Pochentong
Sun 10-8
12:40-11:35
2 stops21h 55m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Wed 13-8
21:35-23:10
Nonstop2h 35m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Thu 14-8
12:25-14:00
Nonstop2h 35m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Wed 13-8
16:15-22:20
1 stop7h 05m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Wed 6-8
16:15-22:20
1 stop7h 05m
Hong KongPhnom Penh
HKG - PNH
HKGPNH
Hong Kong Intl
Sat 26-7
20:20-08:55
1 stop13h 35m
Best time to book a flight to Phnom Penh
Have a flexible travel schedule? Discover the best time to fly to Phnom Penh with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Phnom Penh
When is the best time to book a flight 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 27 June 2025.
The best time to book flights to Phnom Penh is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
How long is the flight to Phnom Penh?
On average, a flight from Hong Kong to Phnom Penh takes 2 hours 35 minutes. Flights to Phnom Penh from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.
What are the most popular airlines that fly to Phnom Penh?
The most popular airlines flying from Hong Kong to Phnom Penh are Cathay Pacific, Cambodia Angkor Air and 柬埔寨航空.
What are the cheapest airlines that fly to Phnom Penh?
The cheapest airlines flying from Hong Kong to Phnom Penh are Cambodia Angkor Air, 柬埔寨航空 and Cathay Pacific.
Rainfall in Phnom Penh by month
Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 mm per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.
Temperature in Phnom Penh by month
Plan your trip to Phnom Penh by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).
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 1 July 2025.
See what other customers who have flown with Vietnam Airlines, Thai AirAsia, andChina Eastern to Cambodia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Hamish,May 2025
SGN - MEL
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Hamish,May 2025
SGN - MEL
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Hamish,May 2025
SGN - MEL
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Hamish,May 2025
SGN - MEL
FAQs about flying to Phnom Penh
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How does Cheapflights help users find flights to Phnom Penh?
Deals for 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 to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets to Phnom Penh?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Phnom Penh.
Can Cheapflights find flights to Phnom Penh with no change fees?
Yes, we can. To see specific flights to Phnom Penh with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights to Phnom Penh become cheaper?
Yes, Cheapflights offers price alerts on Phnom Penh flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.