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Cheap flights from Hong Kong to Siem Reap, Cambodia from HK$1,386

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 26-6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAI
17 Jul — 24 Jul1
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 17 June 2026.

Fri 31-712:25
HKG
-
SAI
1 stop22h 40m
柬埔寨航空
Sun 2-810:55
SAI
-
HKG
1 stop23h 30m
柬埔寨航空
Deal found 16-6HK$2,624
Tue 7-718:45
HKG
-
SAI
1 stop15h 00m
Vietnam Airlines
Fri 17-721:45
SAI
-
HKG
1 stop18h 40m
Vietnam Airlines
Deal found 12-6HK$2,679
Fri 26-612:25
HKG
-
SAI
1 stop26h 30m
柬埔寨航空
Thu 2-718:55
SAI
-
HKG
1 stop15h 30m
柬埔寨航空
Deal found 14-6HK$2,687
Mon 6-712:25
HKG
-
SAI
1 stop22h 40m
柬埔寨航空
Fri 17-710:55
SAI
-
HKG
1 stop23h 30m
柬埔寨航空
Deal found 12-6HK$2,695
Thu 30-712:25
HKG
-
SAI
1 stop26h 30m
柬埔寨航空
Thu 6-818:55
SAI
-
HKG
1 stop15h 30m
柬埔寨航空
Deal found 14-6HK$2,757
Sat 4-712:25
HKG
-
SAI
1 stop22h 40m
柬埔寨航空
Wed 15-718:55
SAI
-
HKG
1 stop15h 30m
柬埔寨航空
Deal found 12-6HK$2,765
Fri 31-718:45
HKG
-
SAI
1 stop24h 35m
Vietnam Airlines
Sun 16-822:35
SAI
-
HKG
1 stop17h 50m
Vietnam Airlines
Deal found 12-6HK$2,773
Tue 22-1218:40
HKG
-
SAI
1 stop24h 00m
Vietnam Airlines
Sun 27-1218:40
SAI
-
HKG
1 stop21h 45m
Vietnam Airlines
Deal found 14-6HK$2,812
Thu 9-721:15
HKG
-
SAI
1 stop23h 55m
China Eastern
Fri 17-721:10
SAI
-
HKG
3 stops22h 55m
China Eastern
Deal found 12-6HK$2,836
Fri 3-718:45
HKG
-
SAI
1 stop24h 35m
Vietnam Airlines
Sun 19-722:35
SAI
-
HKG
1 stop17h 50m
Vietnam Airlines
Deal found 12-6HK$2,875
Tue 7-717:05
HKG
-
SAI
2 stops28h 05m
China Eastern
Wed 15-721:10
SAI
-
HKG
3 stops25h 35m
China Eastern
Deal found 12-6HK$2,890

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 17 June 2026.

Round-trip from

HK$2,624

One-way from

HK$1,386
柬埔寨航空
  • 柬埔寨航空
  • 31-7-2-8
  • 2 total stops
  • 46h 10m total
  • Hong Kong to Siem Reap
Search Deals
柬埔寨航空
  • 柬埔寨航空
  • 26-6
  • 1 total stop
  • 22h 40m 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 17 June 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

Sun 5-7

12:25-13:55

1 stop26h 30m

Siem Reap–Angkor Intl

Thu 16-7

10:55-11:25

1 stop23h 30m

HK$2,695

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 31-7

12:25-10:05

1 stop22h 40m

Siem Reap–Angkor Intl

Sun 2-8

10:55-11:25

1 stop23h 30m

HK$2,726

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 30-7

12:25-13:55

1 stop26h 30m

Siem Reap–Angkor Intl

Thu 6-8

18:55-11:25

1 stop15h 30m

HK$2,757

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 17-7

19:50-17:10

2 stops22h 20m

Siem Reap–Angkor Intl

Tue 21-7

19:20-20:35

1 stop24h 15m

HK$3,337
Fastest return journey

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 31-7

12:25-16:55

1 stop5h 30m

Siem Reap–Angkor Intl

Sun 2-8

19:05-05:10

2 stops9h 05m

HK$3,392

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 30-7

21:30-13:55

2 stops17h 25m

Siem Reap–Angkor Intl

Thu 6-8

19:20-20:35

1 stop24h 15m

HK$3,431

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 9-7

18:45-17:10

2 stops23h 25m

Siem Reap–Angkor Intl

Mon 13-7

19:40-17:25

1 stop20h 45m

HK$3,642

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 9-7

18:45-17:10

2 stops23h 25m

Siem Reap–Angkor Intl

Thu 16-7

19:40-17:25

1 stop20h 45m

HK$3,642

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 6-7

18:45-17:10

2 stops23h 25m

Siem Reap–Angkor Intl

Sat 18-7

22:35-17:25

1 stop17h 50m

HK$3,642

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sat 19-9

07:50-16:10

2 stops9h 20m

Siem Reap–Angkor Intl

Thu 24-9

19:05-12:40

1 stop16h 35m

HK$3,721

Flights are sorted by cheapest return flights first.

Deals found on 16-6

Showing 1-10 of 17 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$1,869.

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 17 June 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
132 reviews
Check prices

Boarding

8.1

Entertainment

6.3

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.5

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
132 reviews
Bangkok Airways
8.1
Very Good
132 reviews
Check prices

Boarding

8.1

Entertainment

6.3

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.5

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
272 reviews
Bangkok Airways
8.1
Very Good
132 reviews
Check prices

Boarding

8.1

Entertainment

6.3

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.5

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 26h 30m. 柬埔寨航空 provides one of the quickest options available for as low as HK$2,695. 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$1,869, 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$4,576.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 17 June 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 17 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapestHK$1,869AverageHK$4,657FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Bangkok AirwaysCheapestHK$4,576AverageHK$4,668FlexibilityNo 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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