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Cheap flights from Hong Kong to Siem Reap, Cambodia from HK$1,326

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 13-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAI
4 Sep — 11 Sep1
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 5 August 2026.

Fri 14-818:45 -
1 stop28h 10m
Thu 20-815:00 -
1 stop25h 25m
Deal found 1-8HK$2,463
Fri 16-1018:45 -
1 stop28h 10m
Tue 20-1018:30 -
1 stop21h 55m
Deal found 1-8HK$2,549
Fri 9-1018:45 -
1 stop28h 10m
Mon 19-1019:40 -
1 stop20h 45m
Deal found 4-8HK$2,628
Fri 14-818:45 -
1 stop28h 10m
Sun 16-809:35 -
1 stop6h 50m
Deal found 2-8HK$2,675
Sat 10-1018:45 -
1 stop15h 00m
Mon 19-1019:40 -
1 stop20h 45m
Deal found 4-8HK$2,682
Fri 4-1218:40 -
1 stop26h 50m
Mon 7-1221:30 -
1 stop18h 55m
Deal found 3-8HK$2,690
Fri 2-1021:35 -
1 stop21h 15m
Mon 5-1011:55 -
1 stop7h 40m
Deal found 4-8HK$2,863
Fri 2-1018:45 -
1 stop28h 10m
Mon 5-1017:20 -
2 stops19h 10m
Deal found 4-8HK$2,980

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 5 August 2026.

Round-trip from

HK$2,549

One-way from

HK$1,326
Vietnam Airlines
  • Vietnam Airlines
  • 16-10-20-10
  • 2 total stops
  • 50h 05m total
  • Hong Kong to Siem Reap
Search Deals
13-9
  • 13-9
  • 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 5 August 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 Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 16-10

18:45-21:55

1 stop28h 10m

Siem Reap–Angkor Intl

Tue 20-10

18:30-17:25

1 stop21h 55m

HK$2,549

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 9-10

18:45-21:55

1 stop28h 10m

Siem Reap–Angkor Intl

Mon 19-10

19:40-17:25

1 stop20h 45m

HK$2,628

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 4-12

18:40-20:30

1 stop26h 50m

Siem Reap–Angkor Intl

Mon 7-12

21:30-17:25

1 stop18h 55m

HK$2,690
Fastest return journey

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sat 10-10

18:45-08:45

1 stop15h 00m

Siem Reap–Angkor Intl

Mon 19-10

17:20-13:30

2 stops19h 10m

HK$2,863

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 2-10

18:45-21:55

1 stop28h 10m

Siem Reap–Angkor Intl

Mon 5-10

17:20-13:30

2 stops19h 10m

HK$2,980

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Thu 1-10

14:30-17:10

1 stop27h 40m

Siem Reap–Angkor Intl

Mon 5-10

18:05-13:30

1 stop18h 25m

HK$3,224

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sat 5-12

18:40-20:30

1 stop26h 50m

Siem Reap–Angkor Intl

Sat 16-1

17:05-13:30

2 stops19h 25m

HK$3,475

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 13-11

14:30-16:10

2 stops26h 40m

Siem Reap–Angkor Intl

Sun 2-5

18:05-13:30

1 stop18h 25m

HK$3,545
Cheapest one-way

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 9-10

21:35-17:50

1 stop21h 15m

HK$1,459

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Mon 7-9

12:25-13:55

1 stop26h 30m

HK$1,467

Flights are sorted by cheapest return flights first.

Deals found on 4-8

Showing 1-10 of 16 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.

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 5 August 2026.
Get a feel of what it's like to fly with 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.
Vietnam Airlines
7.7
Good
283 reviews
Check prices

Food

6.9

Comfort

7.7

Overall

7.7

Boarding

7.7

Entertainment

6.3

Crew

8.3

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Vietnam Airlines
7.7
Good
283 reviews
Vietnam Airlines
7.7
Good
283 reviews
Check prices

Food

6.9

Comfort

7.7

Overall

7.7

Boarding

7.7

Entertainment

6.3

Crew

8.3

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

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$2,549. The distance from Hong Kong to Siem Reap is about 1426 km.

  • What is the cheapest airline to fly from Hong Kong to Siem Reap round-trip?

    Currently priced at HK$2,281, 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.

  • 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 5 August 2026.
Vietnam Airlines flights from Hong Kong Intl to Siem Reap–Angkor Intl

Top airline flying from Hong Kong to Siem Reap

Discover the top airline 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 5 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapestHK$2,281AverageHK$4,702FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines 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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