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Siem Reap

$176+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAI
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
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 enero 29, 2026.

This oojo deal was found by Cheapflights users on 1/27. 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.
mié. 3/189:25 pm
HKG
-
SAI
1 stop12h 15m
Cambodia Angkor Air
sáb. 3/217:45 pm
SAI
-
HKG
1 stop23h 40m
Cambodia Angkor Air
Deal found 1/27$281
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/296:40 pm
HKG
-
SAI
1 stop19h 35m
Vietnam Airlines
sáb. 1/315:55 pm
SAI
-
HKG
1 stop18h 35m
Vietnam Airlines
Deal found 1/28$291
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/296:40 pm
HKG
-
SAI
1 stop19h 35m
Vietnam Airlines
lun. 2/25:05 pm
SAI
-
HKG
2 stops19h 25m
Vietnam Airlines
Deal found 1/28$295
This Mytrip deal was found by Cheapflights users on 1/27. 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.
mié. 3/185:40 pm
HKG
-
SAI
2 stops28h 20m
Multiple Airlines
sáb. 3/219:40 pm
SAI
-
HKG
1 stop21h 45m
Multiple Airlines
Deal found 1/27$305
This Mytrip deal was found by Cheapflights users on 1/27. 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.
mié. 3/189:15 pm
HKG
-
SAI
1 stop24h 45m
China Eastern
sáb. 3/2110:00 pm
SAI
-
HKG
3 stops25h 15m
China Eastern
Deal found 1/27$339
This oojo deal was found by Cheapflights users on 1/27. 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.
mié. 2/186:40 pm
HKG
-
SAI
1 stop23h 50m
Vietnam Airlines
dom. 2/229:30 pm
SAI
-
HKG
1 stop18h 55m
Vietnam Airlines
Deal found 1/27$411

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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$281
(oojo)

One-way from

$176
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$410
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
Highest demand for flights based on searches. 24% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 enero 29, 2026.
Use the filters below to find and compare flights from Hong Kong to Siem Reap that are best for you.

Fly from

Hong Kong

Fly to

Siem Reap

Route

Depart

Return

Price

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

mié. 3/18

9:25 pm-8:40 am

1 stop12h 15m

Siem Reap–Angkor Intl

sáb. 3/21

7:45 pm-8:25 pm

1 stop23h 40m

$281

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

mié. 3/18

5:40 pm-9:00 pm

2 stops28h 20m

Siem Reap–Angkor Intl

sáb. 3/21

9:40 pm-8:25 pm

1 stop21h 45m

$305

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

mié. 3/18

9:15 pm-9:00 pm

1 stop24h 45m

Siem Reap–Angkor Intl

sáb. 3/21

10:00 pm-12:15 am

3 stops25h 15m

$339

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

mié. 2/18

6:40 pm-5:30 pm

1 stop23h 50m

Siem Reap–Angkor Intl

dom. 2/22

9:30 pm-5:25 pm

1 stop18h 55m

$411

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

mié. 2/18

10:45 pm-6:05 pm

2 stops20h 20m

Siem Reap–Angkor Intl

dom. 2/22

7:05 pm-12:30 pm

2 stops16h 25m

$608

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

vie. 2/13

2:30 pm-4:10 pm

2 stops26h 40m

Siem Reap–Angkor Intl

lun. 2/16

5:05 pm-11:15 pm

3 stops29h 10m

$812

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

lun. 4/20

7:40 am-6:05 pm

1 stop11h 25m

$176

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

mié. 2/18

8:30 pm-8:00 pm

1 stop24h 30m

$191

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

sáb. 2/14

6:40 pm-5:30 pm

1 stop23h 50m

$292

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

vie. 2/13

1:35 am-8:20 am

2 stops31h 45m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 11 results
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 enero 29, 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
7.6
Good
224 reviews

Boarding

7.7

Comfort

7.6

Crew

8.2

Entertainment

6.3

Overall

7.6

Food

6.8

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Vietnam Airlines
7.6
Good
224 reviews
Vietnam Airlines
7.6
Good
224 reviews

Boarding

7.7

Comfort

7.6

Crew

8.2

Entertainment

6.3

Overall

7.6

Food

6.8

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 12h 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. Users have found that Vietnam Airlines is 34% cheaper than the other options available to this destination.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest$298Average$376FlexibilityNo cancel feeOn-time81%

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