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Siem Reap

$140+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAI
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
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 March 14, 2026.

This Mytrip deal was found by Cheapflights users on 3/12. 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.
Thu 4/162:30 pm
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Mon 4/207:10 pm
SAI
-
HKG
1 stop21h 15m
Vietnam Airlines
Deal found 3/12$295
This Cambodia Angkor Air deal was found by Cheapflights users on 3/12. 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 Cambodia Angkor Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:35 pm
HKG
-
SAI
1 stop14h 15m
Cambodia Angkor Air
Tue 7/147:10 pm
SAI
-
HKG
1 stop24h 25m
Cambodia Angkor Air
Deal found 3/12$303
This Cambodia Angkor Air deal was found by Cheapflights users on 3/10. 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 Cambodia Angkor Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:35 pm
HKG
-
SAI
1 stop21h 15m
Cambodia Angkor Air
Sun 4/51:00 pm
SAI
-
HKG
1 stop6h 35m
Cambodia Angkor Air
Deal found 3/10$304
This oojo deal was found by Cheapflights users on 3/14. 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.
Thu 4/302:30 pm
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Sat 5/27:10 pm
SAI
-
HKG
1 stop21h 15m
Vietnam Airlines
Deal found 3/14$374

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 March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(Mytrip)

One-way from

$140
(Kiwi.com)
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 March 14, 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

Thu 4/16

2:30 pm-5:10 pm

1 stop27h 40m

Siem Reap–Angkor Intl

Mon 4/20

7:10 pm-5:25 pm

1 stop21h 15m

$295
Quickest round-trip

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sun 7/12

9:35 pm-10:50 am

1 stop14h 15m

Siem Reap–Angkor Intl

Tue 7/14

7:10 pm-8:35 pm

1 stop24h 25m

$303

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 4/30

2:30 pm-5:10 pm

1 stop27h 40m

Siem Reap–Angkor Intl

Sat 5/2

7:10 pm-5:25 pm

1 stop21h 15m

$374

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 4/3

6:45 pm-6:20 pm

1 stop24h 35m

Siem Reap–Angkor Intl

Mon 4/6

5:20 pm-1:30 pm

2 stops19h 10m

$512

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 4/3

2:30 pm-4:25 pm

2 stops26h 55m

Siem Reap–Angkor Intl

Sun 4/5

7:10 pm-5:25 pm

1 stop21h 15m

$527
Cheapest one-way
Quickest one-way

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 6/29

7:40 am-6:05 pm

1 stop11h 25m

$149

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 3/25

7:40 am-6:05 pm

1 stop11h 25m

$157

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 3/25

2:30 pm-4:10 pm

2 stops26h 40m

$176

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 3/25

5:40 pm-9:00 pm

3 stops28h 20m

$178

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 3/26

2:30 pm-4:10 pm

2 stops26h 40m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 13 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 March 14, 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
239 reviews

Comfort

7.7

Food

6.8

Crew

8.2

Boarding

7.7

Entertainment

6.3

Overall

7.7

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Vietnam Airlines
7.7
Good
239 reviews
Vietnam Airlines
7.7
Good
239 reviews

Comfort

7.7

Food

6.8

Crew

8.2

Boarding

7.7

Entertainment

6.3

Overall

7.7

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

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 14h 15m. The distance from Hong Kong to Siem Reap is about 886 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest$298Average$376FlexibilityNo cancel feeOn-time81%

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