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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 May — 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.

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

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Siem Reap (SAI). 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 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

Tue 21-7

18:45-21:55

1 stop28h 10m

Siem Reap–Angkor Intl

Thu 23-7

19:10-17:25

1 stop21h 15m

HK$2,782

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Tue 7-7

18:05-13:30

1 stop18h 25m

HK$2,923

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Sat 4-7

18:05-13:30

1 stop18h 25m

HK$3,056
Fastest return journey

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 17-8

21:35-11:15

1 stop14h 40m

Siem Reap–Angkor Intl

Fri 21-8

18:05-13:30

1 stop18h 25m

HK$3,378

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Tue 7-7

19:05-13:05

2 stops17h 00m

HK$3,628

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 17-8

18:45-17:10

2 stops47h 25m

Siem Reap–Angkor Intl

Fri 21-8

19:10-17:25

1 stop21h 15m

HK$3,636

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Sat 4-7

17:20-04:55

2 stops10h 35m

HK$3,816

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 17-8

20:05-20:10

2 stops49h 05m

Siem Reap–Angkor Intl

Fri 21-8

21:10-19:05

3 stops20h 55m

HK$5,399
Cheapest one-way

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 24-9

14:30-17:10

1 stop27h 40m

HK$1,732

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 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

What’s the top stopover airport for flights from Hong Kong to Siem Reap?

Share of one-stop return flights from Hong Kong to Siem Reap chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Bangkok (DMK) – chosen by Cheapflights users on 33% of one-stop itineraries from Hong Kong to Siem Reap on Cheapflights.

What’s the cheapest stopover airport for flights from Hong Kong to Siem Reap?

Average return fare for one-stop flights from Hong Kong to Siem Reap, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Ho Chi Minh City (SGN) is the most affordable one-stop option, with an average return flight price of HK$1,870.

What’s the fastest stopover option from Hong Kong to Siem Reap?

Shortest average travel time for one-stop one-way flights from Hong Kong to Siem Reap, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Bangkok (DMK) have the shortest average one-way travel time for one-stop routes: 6h 05m.

Which airport typically offers the quickest stopover for flights from Hong Kong to Siem Reap?

Average stopover duration for one-stop one-way flights from Hong Kong to Siem Reap, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Bangkok (DMK) offer the fastest connection on this route, with an average stopover time of 2h 20m.

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.
Get a feel of what it's like to fly with Bangkok Airways and Vietnam Airlines from Hong Kong to Siem Reap by reading reviews from past customers. Users have also rated airlines 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

Boarding

8.1

Food

7.3

Overall

8.1

Comfort

8.0

Crew

8.6

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

Boarding

8.1

Food

7.3

Overall

8.1

Comfort

8.0

Crew

8.6

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

Boarding

8.1

Food

7.3

Overall

8.1

Comfort

8.0

Crew

8.6

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.

  • 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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Fly from Hong Kong to Siem Reap on these airlines

Choose from the following airlines for your flight from Hong Kong to Siem Reap. Flights are based on user searches made on Cheapflights and were last updated on 30 April 2026.
Vietnam Airlines flights from Hong Kong Intl to Siem Reap–Angkor Intl

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?

Cheapflights makes it easy to find Hong Kong to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Siem Reap?

Millions of users choose and trust Cheapflights to book the best flight deals from Hong Kong to Siem Reap for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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! Start tracking prices for Hong Kong to Siem Reap flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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