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Cheap flights from Hong Kong to Phnom Penh

HKG — KTI
9 Aug — 16 Aug1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Hong Kong to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Phnom Penh (KTI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 July 2026.

Popular in

July

Cheapest in

May

Average price

HK$3,809
Highest demand for flights based on searches. 24% potential increase in price (HK$5,840 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (HK$1,072 potential savings vs. average return price).
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Average for round-trip flights in July 2026
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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

What is the cheapest month to book a flight from Hong Kong to Phnom Penh?

Currently, May is the cheapest month in which you can book a flight from Hong Kong to Phnom Penh (average of HK$1,779). Flying from Hong Kong to Phnom Penh in July is currently the most expensive (average of HK$3,809). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HKG to KTI?

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 10 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to Phnom Penh as you normally would.

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 10 July 2026.
Check out reviews from past customers who have flown with Cathay Pacific from Hong Kong to Phnom Penh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,403 reviews
Check prices

Food

7.3

Entertainment

7.8

Comfort

7.6

Overall

7.6

Crew

8.1

Boarding

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,403 reviews
Cathay Pacific
7.6
Good
1,403 reviews
Check prices

Food

7.3

Entertainment

7.8

Comfort

7.6

Overall

7.6

Crew

8.1

Boarding

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

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.

  • How popular is this Hong Kong to Phnom Penh flight route?

    Within the past month, 47 users have taken a look at flights from Hong Kong Intl to Phnom Penh Techo Intl.

  • 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$1,486. 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$1,576 and HK$1,992, respectively. These flights start at 35% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Hong Kong to Phnom Penh one-way?

    For one-way options, check prices for Cambodia Angkor Air. According to our data, you can fly for as low as HK$771. Users have also found prices from HK$873 and HK$1,362 on 柬埔寨航空 and Cathay Pacific, respectively.

  • What are the most reliable airlines from Hong Kong to Phnom Penh?

    The top 3 most reliable airlines when flying from Hong Kong to Phnom Penh are 柬埔寨航空 (91%), Finnair (85%) and Cathay Pacific (79%).

  • 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.

  • What is the cheapest month to book a flight from Hong Kong to Phnom Penh?

    Currently, May is the cheapest month in which you can book a flight from Hong Kong to Phnom Penh (average of HK$1,779). Flying from Hong Kong to Phnom Penh in July is currently the most expensive (average of HK$3,809). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Fly from Hong Kong to Phnom Penh on these airlines

Choose from the following airlines for your flight from Hong Kong to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 10 July 2026.
Cathay Pacific flights from Hong Kong Intl to Phnom Penh Techo Intl

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 10 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapestHK$1,486AverageHK$1,753FlexibilityNo cancel feeOn-timeN/A
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柬埔寨航空CheapestHK$1,576AverageHK$1,886FlexibilityNo cancel feeOn-timeN/A
Search 柬埔寨航空 flights
Cathay PacificCheapestHK$1,992AverageHK$2,726FlexibilityNo 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?

When you search for this flight from Hong Kong to Phnom Penh, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

Need flexible booking options for your flight to Phnom Penh from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to Phnom Penh become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Phnom Penh from Hong Kong today and book when prices fit your budget.

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