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Cheap flights from Hong Kong to Siem Reap, Cambodia from HK$1,481

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 23-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAI
30 Mei — 6 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Siem Reap
Explore the most affordable flight options available from Hong Kong to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2026.

Selasa 21-718:45
HKG
-
SAI
1 stop28h 10m
Vietnam Airlines
Khamis 23-719:10
SAI
-
HKG
1 stop21h 15m
Vietnam Airlines
Deal found 26-4HK$2,782
Isnin 2-1118:40
HKG
-
SAI
1 stop24h 00m
Vietnam Airlines
Khamis 12-1121:30
SAI
-
HKG
1 stop18h 55m
Vietnam Airlines
Deal found 30-4HK$2,837
Khamis 2-718:45
HKG
-
SAI
1 stop24h 35m
Vietnam Airlines
Selasa 7-718:05
SAI
-
HKG
1 stop18h 25m
Vietnam Airlines
Deal found 29-4HK$2,923
Isnin 17-814:30
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Jumaat 21-819:10
SAI
-
HKG
1 stop21h 15m
Vietnam Airlines
Deal found 27-4HK$2,931
Isnin 2-1113:15
HKG
-
SAI
2 stops32h 45m
China Eastern
Khamis 12-1122:00
SAI
-
HKG
2 stops20h 20m
China Eastern
Deal found 30-4HK$2,970
Khamis 2-718:45
HKG
-
SAI
1 stop24h 35m
Vietnam Airlines
Sabtu 4-718:05
SAI
-
HKG
1 stop18h 25m
Vietnam Airlines
Deal found 26-4HK$3,056
Isnin 2-1118:40
HKG
-
SAI
1 stop25h 25m
Multiple Airlines
Ahad 8-1118:40
SAI
-
HKG
1 stop21h 45m
Multiple Airlines
Deal found 29-4HK$3,182
Jumaat 8-514:30
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Sabtu 16-518:05
SAI
-
HKG
1 stop18h 25m
Vietnam Airlines
Deal found 30-4HK$3,197
Sabtu 19-1218:40
HKG
-
SAI
1 stop24h 00m
Multiple Airlines
Rabu 6-114:50
SAI
-
HKG
1 stop23h 50m
Multiple Airlines
Deal found 29-4HK$3,323
Khamis 7-518:30
HKG
-
SAI
1 stop15h 45m
Multiple Airlines
Ahad 10-519:20
SAI
-
HKG
1 stop24h 15m
Multiple Airlines
Deal found 27-4HK$3,331

Find flight deals from Hong Kong to Siem Reap

Keep the following information in mind while searching for Hong Kong to Siem Reap flight deals. Data was last updated 30 April 2026.

Round-trip from

HK$2,782

One-way from

HK$1,481
Vietnam Airlines
  • Vietnam Airlines
  • 21-7-23-7
  • 2 total stops
  • 49h 25m total
  • Hong Kong to Siem Reap
Search Deals
23-9
  • 23-9
  • 1 total stop
  • 11h 25m total
  • Hong Kong to Siem Reap
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 30 April 2026.
Use the filters below to find and compare flights from Hong Kong to Siem Reap that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Selasa 21-7

18:45-21:55

1 stop28h 10m

Siem Reap–Angkor Intl

Khamis 23-7

19:10-17:25

1 stop21h 15m

HK$2,782

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Khamis 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Selasa 7-7

18:05-13:30

1 stop18h 25m

HK$2,923

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Khamis 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Sabtu 4-7

18:05-13:30

1 stop18h 25m

HK$3,056
Fastest return journey

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Isnin 17-8

21:35-11:15

1 stop14h 40m

Siem Reap–Angkor Intl

Jumaat 21-8

18:05-13:30

1 stop18h 25m

HK$3,378

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Khamis 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Selasa 7-7

19:05-13:05

2 stops17h 00m

HK$3,628

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Isnin 17-8

18:45-17:10

2 stops47h 25m

Siem Reap–Angkor Intl

Jumaat 21-8

19:10-17:25

1 stop21h 15m

HK$3,636

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Khamis 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Sabtu 4-7

17:20-04:55

2 stops10h 35m

HK$3,816

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Isnin 17-8

20:05-20:10

2 stops49h 05m

Siem Reap–Angkor Intl

Jumaat 21-8

21:10-19:05

3 stops20h 55m

HK$5,399
Cheapest one-way

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Khamis 24-9

14:30-17:10

1 stop27h 40m

HK$1,732

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Isnin 25-5

07:40-16:25

2 stops9h 45m

HK$2,014

Flights are sorted by cheapest return flights first.

Deals found on 28-4

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Hong Kong to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap 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 Siem Reap
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. 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 Siem Reap. Reviews last updated 30 April 2026.
See what other customers who have flown with Bangkok Airways and Vietnam Airlines from Hong Kong to Siem Reap have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Entertainment

6.3

Overall

8.1

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
127 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Entertainment

6.3

Overall

8.1

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Vietnam Airlines
7.7
Good
264 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Entertainment

6.3

Overall

8.1

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Siem Reap. 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 Siem Reap from Hong Kong?

    For a flight from Hong Kong to Siem Reap, you will be flying into Siem Reap–Angkor Intl. Siem Reap–Angkor Intl (SAI) is just 39.7 km from the centre of the city.

  • How long is the flight from Hong Kong to Siem Reap?

    A quick flight from Hong Kong to Siem Reap can take about 28h 10m. Vietnam Airlines provides one of the quickest options available for as low as HK$2,782. The distance from Hong Kong to Siem Reap is about 1426 km.

  • What are the cheapest airlines flying from Hong Kong to Siem Reap round-trip?

    Currently priced at HK$1,870, Vietnam Airlines will fly you from Hong Kong to Siem Reap and back. In addition to Vietnam Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Bangkok Airways for as low as HK$4,294.

  • Can I find deals for flights from Hong Kong to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Siem Reap.

  • Can I find deals for business class flights from Hong Kong to Siem Reap?

    Yes. Cheapflights offers flight deals from Hong Kong to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Hong Kong to Siem Reap

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

Top 2 airlines flying from Hong Kong to Siem Reap

Discover the top 2 airlines that operate flights from Hong Kong to Siem Reap. 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapestHK$1,870AverageHK$4,659FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Bangkok AirwaysCheapestHK$4,294AverageHK$4,669FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways 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 Siem Reap?

When you search for this flight from Hong Kong to Siem Reap, 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 Siem Reap?

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 Siem Reap.

Can Cheapflights find flights from Hong Kong to Siem Reap with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hong Kong to Siem Reap, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Hong Kong to Siem Reap become cheaper?

Yes, Cheapflights offers price alerts on Hong Kong to Siem Reap flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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