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Siem Reap

$177+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAI
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
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 June 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:25 pm
HKG
-
SAI
1 stop22h 40m
Cambodia Airways
Tue 7/2110:55 am
SAI
-
HKG
1 stop23h 30m
Cambodia Airways
Deal found 6/14$342
This Cambodia Airways deal was found by Cheapflights users on 6/14. 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 Cambodia Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:25 pm
HKG
-
SAI
1 stop26h 30m
Cambodia Airways
Thu 8/66:55 pm
SAI
-
HKG
1 stop15h 30m
Cambodia Airways
Deal found 6/14$352
This oojo deal was found by Cheapflights users on 6/16. 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 6/182:30 pm
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Sun 6/217:10 pm
SAI
-
HKG
1 stop21h 15m
Vietnam Airlines
Deal found 6/16$386
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:50 pm
HKG
-
SAI
2 stops22h 20m
Multiple Airlines
Tue 7/217:20 pm
SAI
-
HKG
1 stop24h 15m
Multiple Airlines
Deal found 6/14$426
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:30 pm
HKG
-
SAI
2 stops17h 25m
Multiple Airlines
Thu 8/67:20 pm
SAI
-
HKG
1 stop24h 15m
Multiple Airlines
Deal found 6/14$438
This FlightHub deal was found by Cheapflights users on 6/16. 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.
Mon 12/286:40 pm
HKG
-
SAI
1 stop26h 50m
Vietnam Airlines
Sun 1/39:30 pm
SAI
-
HKG
1 stop18h 55m
Vietnam Airlines
Deal found 6/16$461

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 June 18, 2026.

Round-trip from

$342
(Kiwi.com)

One-way from

$177
(CheapOair)
From Hong Kong Intl to Siem Reap–Angkor Intl
Search Deals
One-way flight from Hong Kong Intl to Siem Reap–Angkor Intl
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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 June 18, 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 7/17

12:25 pm-10:05 am

1 stop22h 40m

Siem Reap–Angkor Intl

Tue 7/21

10:55 am-11:25 am

1 stop23h 30m

$342

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 7/30

12:25 pm-1:55 pm

1 stop26h 30m

Siem Reap–Angkor Intl

Thu 8/6

6:55 pm-11:25 am

1 stop15h 30m

$352
Quickest round-trip

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 7/30

9:30 pm-1:55 pm

2 stops17h 25m

Siem Reap–Angkor Intl

Thu 8/6

10:55 am-4:30 am

2 stops16h 35m

$507

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 7/17

6:45 pm-5:10 pm

2 stops23h 25m

Siem Reap–Angkor Intl

Tue 7/21

7:10 pm-1:30 pm

2 stops17h 20m

$640
Cheapest one-way

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sat 7/25

12:25 pm-10:05 am

1 stop22h 40m

$181

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sun 7/26

12:25 pm-10:05 am

1 stop22h 40m

$182
Quickest one-way

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sat 6/27

7:40 am-6:05 pm

1 stop11h 25m

$204

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sat 6/27

2:30 pm-5:10 pm

1 stop27h 40m

$209

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 12/9

6:40 pm-8:30 pm

1 stop26h 50m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Sorted by cheapest first

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 June 18, 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
272 reviews

Boarding

7.8

Entertainment

6.3

Comfort

7.7

Crew

8.2

Overall

7.7

Food

6.9

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
272 reviews
Vietnam Airlines
7.7
Good
272 reviews

Boarding

7.8

Entertainment

6.3

Comfort

7.7

Crew

8.2

Overall

7.7

Food

6.9

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 22h 40m. 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest$298Average$376FlexibilityNo cancel feeOn-time81%

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