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$166+ Cheap flights from Siem Reap, Cambodia (SAI) to Hong Kong (HKG)

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — HKG
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Siem Reap to Hong Kong

Cheapest flights from Siem Reap to Hong Kong
Explore the most affordable flight options available from Siem Reap to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.

This oojo deal was found by Cheapflights users on 7/31. 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.
Tue 8/257:15 pm
SAI
-
HKG
1 stop21h 10m
Vietnam Airlines
Fri 8/286:45 pm
HKG
-
SAI
1 stop28h 10m
Vietnam Airlines
Deal found 7/31$345
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 11/107:05 pm
SAI
-
HKG
1 stop16h 30m
Multiple Airlines
Fri 11/138:25 pm
HKG
-
SAI
1 stop20h 35m
Multiple Airlines
Deal found 7/28$374
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:55 pm
SAI
-
HKG
1 stop18h 35m
Vietnam Airlines
Fri 11/132:30 pm
HKG
-
SAI
2 stops26h 40m
Vietnam Airlines
Deal found 7/28$419
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:05 pm
SAI
-
HKG
2 stops22h 20m
Multiple Airlines
Fri 8/286:45 pm
HKG
-
SAI
1 stop28h 10m
Multiple Airlines
Deal found 7/31$472
This China Eastern deal was found by Cheapflights users on 7/28. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:00 pm
SAI
-
HKG
2 stops39h 25m
China Eastern
Fri 11/1312:55 pm
HKG
-
SAI
2 stops33h 05m
China Eastern
Deal found 7/28$490

Find flight deals from Siem Reap to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from Siem Reap (SAI) to Hong Kong (HKG). 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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$345
(oojo)

One-way from

$166
(Kiwi.com)
Provider with most accurate pricing for Siem Reap–Angkor Intl-Hong Kong Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Siem Reap–Angkor Intl-Hong Kong Intl flights.
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From Siem Reap–Angkor Intl to Hong Kong Intl
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One-way flight from Siem Reap–Angkor Intl to Hong Kong Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Siem Reap to Hong Kong 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 August 2, 2026.
Use the filters below to find and compare flights from Siem Reap to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Tue 8/25

7:15 pm-5:25 pm

1 stop21h 10m

Hong Kong Intl

Fri 8/28

6:45 pm-9:55 pm

1 stop28h 10m

$345
Quickest round-trip

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Tue 11/10

7:05 pm-12:35 pm

1 stop16h 30m

Hong Kong Intl

Fri 11/13

8:25 pm-4:00 pm

1 stop20h 35m

$374

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Tue 8/25

6:05 pm-5:25 pm

2 stops22h 20m

Hong Kong Intl

Fri 8/28

6:45 pm-9:55 pm

1 stop28h 10m

$472

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Tue 11/10

10:00 pm-2:25 pm

2 stops39h 25m

Hong Kong Intl

Fri 11/13

12:55 pm-9:00 pm

2 stops33h 05m

$490
Cheapest one-way
Quickest one-way

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Fri 8/28

9:35 am-5:25 pm

1 stop6h 50m

$186

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Mon 1/18

7:05 pm-11:55 am

1 stop15h 50m

$194

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Fri 8/28

9:10 pm-11:45 pm

2 stops25h 35m

$220

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Fri 12/4

5:05 pm-1:30 pm

2 stops19h 25m

$229

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Mon 11/2

5:05 pm-1:30 pm

2 stops19h 25m

$229

Siem ReapHong Kong

SAI - HKG

SAIHKG

Siem Reap–Angkor Intl

Thu 11/5

5:05 pm-1:30 pm

2 stops19h 25m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Siem Reap-Hong Kong flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Siem Reap-Hong Kong flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Siem Reap-Hong Kong flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Siem Reap-Hong Kong 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 Siem Reap-Hong Kong 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 Siem Reap to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Siem Reap 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.

Related info for your journey

Find useful and relevant information for your journey from Siem Reap to Hong Kong. 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 Siem Reap to Hong Kong?

    Vietnam Airlines and China Eastern can get you from Siem Reap to Hong Kong in just under 21h 10m. Your travel time can differ by up to 18h 15m. Siem Reap and Hong Kong are separated by a distance of 886 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Siem Reap to Hong Kong that include hotel bookings?

    Yes. In addition to deals on Siem Reap to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Siem Reap to Hong Kong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Hong Kong.

  • Can I find deals for business class flights from Siem Reap to Hong Kong?

    Yes. Cheapflights offers flight deals from Siem Reap to Hong Kong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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