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Siem Reap

$195+ Cheap flights from Hong Kong (HKG) to Siem Reap, Cambodia (SAI)

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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAI
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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Cheap flight deals from Hong Kong to Siem Reap

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 April 27, 2026.

This oojo deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:30 pm
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Sat 5/166:05 pm
SAI
-
HKG
1 stop18h 25m
Vietnam Airlines
Deal found 4/23$408
This Gotogate deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:40 pm
HKG
-
SAI
1 stop24h 00m
Multiple Airlines
Tue 1/198:45 pm
SAI
-
HKG
1 stop14h 40m
Multiple Airlines
Deal found 4/25$431
This Mytrip deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:45 pm
HKG
-
SAI
1 stop24h 35m
Multiple Airlines
Tue 5/1211:50 pm
SAI
-
HKG
1 stop13h 30m
Multiple Airlines
Deal found 4/24$472
This Mytrip deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:40 pm
HKG
-
SAI
1 stop26h 50m
Multiple Airlines
Thu 1/711:50 pm
SAI
-
HKG
1 stop14h 55m
Multiple Airlines
Deal found 4/26$495

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 April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$408
(oojo)

One-way from

$195
(oojo)
Provider with most accurate pricing for Hong Kong Intl-Siem Reap–Angkor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hong Kong Intl-Siem Reap–Angkor Intl flights.
Search Deals
From Hong Kong Intl to Siem Reap–Angkor Intl
Search Deals
One-way flight from Hong Kong Intl to Siem Reap–Angkor Intl
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated April 27, 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

Depart

Return

Price

Cheapest round-trip

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 5/8

2:30 pm-5:10 pm

1 stop27h 40m

Siem Reap–Angkor Intl

Sat 5/16

6:05 pm-1:30 pm

1 stop18h 25m

$408
Quickest round-trip

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sat 5/9

6:45 pm-6:20 pm

1 stop24h 35m

Siem Reap–Angkor Intl

Tue 5/12

11:50 pm-2:20 pm

1 stop13h 30m

$472
Cheapest one-way

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 5/25

9:35 pm-11:15 am

1 stop14h 40m

$195

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 9/23

6:45 pm-1:15 pm

1 stop19h 30m

$197

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 5/20

7:40 am-6:05 pm

1 stop11h 25m

$198

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sun 7/5

7:40 am-6:05 pm

1 stop11h 25m

$199

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sun 8/2

9:35 pm-11:15 am

1 stop14h 40m

$204

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 8/7

9:35 pm-11:15 am

1 stop14h 40m

$204
Quickest one-way

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 9/23

8:25 am-6:05 pm

2 stops10h 40m

$272

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 8/3

6:45 pm-5:10 pm

2 stops23h 25m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 12 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Hong Kong-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hong Kong-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hong Kong-Siem Reap flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hong Kong-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hong Kong-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 April 27, 2026.
Peruse reviews from past customers who have flown with Vietnam Airlines from Hong Kong to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
262 reviews

Entertainment

6.3

Food

6.9

Crew

8.2

Overall

7.7

Boarding

7.7

Comfort

7.7

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
262 reviews
Vietnam Airlines
7.7
Good
262 reviews

Entertainment

6.3

Food

6.9

Crew

8.2

Overall

7.7

Boarding

7.7

Comfort

7.7

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?

    Departing from Hong Kong to Siem Reap will take you 27h 40m. The distance from Hong Kong to Siem Reap is about 886 mi.

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

    Our cheapest airline available from Hong Kong to Siem Reap is Vietnam Airlines. Our recent data shows that you can find tickets from as low as $298 on this airline.

  • 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 vacation 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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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 2,558,603 searches. Data last updated April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest$298Average$376FlexibilityNo cancel feeOn-time81%

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