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Cheap flights from Hong Kong to Phnom Penh from HK$1,208

HKG — KTI
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Phnom Penh

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Phnom Penh

Sat 21-1112:30 -
Nonstop2h 35m
Thu 26-1107:45 -
Nonstop2h 45m
Deal found 28-10HK$2,040
Tue 1-1212:30 -
Nonstop2h 35m
Wed 9-1207:45 -
Nonstop2h 45m
Deal found 30-10HK$2,055
Sun 20-1212:30 -
Nonstop2h 35m
Fri 8-107:45 -
Nonstop2h 45m
Deal found 27-10HK$2,338
Sat 31-1012:30 -
Nonstop2h 35m
Fri 6-1107:45 -
Nonstop2h 45m
Deal found 30-10HK$2,385
Mon 9-1116:50 -
1 stop6h 20m
Fri 13-1114:30 -
1 stop5h 55m
Deal found 29-10HK$2,448
Mon 30-1116:50 -
1 stop6h 20m
Fri 11-1214:30 -
1 stop5h 55m
Deal found 30-10HK$2,455
Mon 30-1116:50 -
1 stop6h 20m
Wed 9-1214:30 -
1 stop5h 55m
Deal found 30-10HK$2,471
Wed 2-1216:50 -
1 stop6h 20m
Mon 7-1214:30 -
1 stop5h 55m
Deal found 28-10HK$2,479
Sat 28-1113:35 -
1 stop6h 25m
Thu 10-1214:30 -
1 stop5h 55m
Deal found 30-10HK$2,487
Sun 22-1110:45 -
1 stop12h 25m
Wed 2-1214:30 -
1 stop5h 55m
Deal found 26-10HK$2,502

Find flight deals from Hong Kong to Phnom Penh

Round-trip from

HK$2,040

One-way from

HK$1,208

Popular in

September

Cheapest in

May

Average price

HK$2,495
柬埔寨航空
  • 柬埔寨航空
  • 21-11-26-11
  • Nonstop
  • 5h 20m total
  • Hong Kong to Phnom Penh
Search Deals
28-11-31-12
  • 28-11-31-12
  • 2 total stops
  • 11h 35m total
  • Hong Kong to Phnom Penh
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (HK$2,656 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$403 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Hong Kong to Phnom Penh that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Mon 9-11

16:50-22:10

1 stop6h 20m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,216
Fastest return journey

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Mon 11-1

12:30-14:05

Nonstop2h 35m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,224

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Sat 21-11

12:30-14:05

Nonstop2h 35m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,232

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Mon 22-2

12:30-14:05

Nonstop2h 35m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,232

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Sun 8-11

16:50-22:10

1 stop6h 20m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,263

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Sat 16-1

16:50-22:10

1 stop6h 20m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,263

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Mon 1-3

12:30-14:05

Nonstop2h 35m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,349

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Fri 27-11

16:55-09:45

1 stop17h 50m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,396

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Sun 6-12

14:30-13:00

2 stops23h 30m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,655

Hong KongPhnom Penh

HKG Hong Kong Intl - KTI Phnom Penh Techo Intl

HKGKTI

Hong Kong Intl

Tue 10-11

19:10-00:15

1 stop30h 05m

Phnom Penh Techo Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,671

Flights are sorted by cheapest return flights first.

Deals found on 28-10

Showing 1-10 of 24 resultsSorted by cheapest first
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3

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

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$1,781). Flying from Hong Kong to Phnom Penh in September is currently the most expensive (average of HK$2,957). 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?

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 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
1,534 reviews
Check prices

Boarding

7.9

Entertainment

7.8

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

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
1,534 reviews
Cathay Pacific
7.6
Good
1,534 reviews
Check prices

Boarding

7.9

Entertainment

7.8

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

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

  • 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, 53 users have taken a look at flights from Hong Kong to Phnom Penh Techo Intl.

  • How long is the flight from Hong Kong to Phnom Penh?

    There are many flights that can get you from Hong Kong to Phnom Penh in 2h 35m. Fly via 柬埔寨航空 to get the fastest option. Airlines will cover a distance of 1547 km. Most flights are nonstop.

  • 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$1,377. 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$1,578 and HK$1,994, respectively. These flights start at 41% 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$876 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: 柬埔寨航空 (100%), Finnair (84%), Cathay Pacific( 81%).

  • 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$1,781). Flying from Hong Kong to Phnom Penh in September is currently the most expensive (average of HK$2,957). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Hong Kong to Phnom Penh

Hong Kong to Siem Reap flights

Top 3 airlines flying from Hong Kong to Phnom Penh

AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapestHK$1,377AverageHK$1,884FlexibilityNo cancel feeOn-timeN/A
Search Cambodia Angkor Air flights
柬埔寨航空CheapestHK$1,578AverageHK$1,895FlexibilityNo cancel feeOn-timeN/A
Search 柬埔寨航空 flights
Cathay PacificCheapestHK$1,994AverageHK$2,810FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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

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