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Cheap flights from Hong Kong to Phnom Penh

HKG — KTI
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Hong Kong to Phnom Penh

Keep the following information in mind while searching for Hong Kong to Phnom Penh flight deals. Data was last updated 26 July 2026.

Popular in

July

Cheapest in

May

Average price

HK$2,831
Highest demand for flights based on searches. 18% potential increase in price (HK$3,925 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (HK$428 potential savings vs. average return price).
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Average for round-trip flights in July 2026
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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$1,780). Flying from Hong Kong to Phnom Penh in July is currently the most expensive (average of HK$2,831). 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 HK 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 26 July 2026.

When flying from Hong Kong to Phnom Penh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 26 July 2026.
Get a feel of what it's like to fly with Cathay Pacific from Hong Kong to Phnom Penh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,431 reviews
Check prices

Food

7.3

Comfort

7.5

Crew

8.1

Entertainment

7.7

Overall

7.6

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
1,431 reviews
Cathay Pacific
7.6
Good
1,431 reviews
Check prices

Food

7.3

Comfort

7.5

Crew

8.1

Entertainment

7.7

Overall

7.6

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.

  • What airport do you fly into for flights to Phnom Penh from Hong Kong?

    For a flight from Hong Kong to Phnom Penh, you will be flying into Techo Intl. Phnom Penh Techo Intl (KTI) is just 22.6 km from the centre of the city.

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

    Within the past month, 50 users have taken a look at flights from Hong Kong 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$1,487. 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$1,577 and HK$1,999, respectively. These flights start at 33% 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$874 and HK$1,363 on 柬埔寨航空 and Cathay Pacific, respectively.

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

    Before booking your flight to Phnom Penh from Hong Kong, have a look at the most reliable airlines to get you to your destination on time: Finnair (80%), 柬埔寨航空 (79%), Cathay Pacific( 74%).

  • 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$1,780). Flying from Hong Kong to Phnom Penh in July is currently the most expensive (average of HK$2,831). 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.

See more FAQs

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Alternative routes for Hong Kong to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Siem Reap flights

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 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapestHK$1,487AverageHK$1,754FlexibilityNo cancel feeOn-timeN/A
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柬埔寨航空CheapestHK$1,577AverageHK$1,887FlexibilityNo cancel feeOn-timeN/A
Search 柬埔寨航空 flights
Cathay PacificCheapestHK$1,999AverageHK$2,776FlexibilityNo cancel feeOn-time72%
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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.

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