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Cheap flights from Hong Kong to Siem Reap, Cambodia

HKG — SAI
17 Nov — 24 Nov1
1 adult
1 adult, Economy

Cheap 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 18 October 2025.

Popular in

May

Cheapest in

August

Average price

HK$5,919
Highest demand for flights based on searches. 15% potential increase in price (HK$5,297 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (HK$1,888 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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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 return 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.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Siem Reap

What is the cheapest time of day to fly from HKG to SAI?

Find hourly flight availability from Hong Kong to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 October 2025.

When flying from Hong Kong to Siem Reap, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 20% versus a flight in the morning.

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 18 October 2025.
Get a feel of what it's like to fly with Bangkok Airways from Hong Kong to Siem Reap by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very Good
114 reviews
Check prices

Comfort

7.9

Entertainment

6.1

Food

7.2

Boarding

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very Good
114 reviews
Bangkok Airways
8.0
Very Good
114 reviews
Check prices

Comfort

7.9

Entertainment

6.1

Food

7.2

Boarding

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

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.

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

    Currently priced at HK$4,257, Bangkok Airways will fly you from Hong Kong to Siem Reap and back. In addition to Bangkok Airways, many other airlines offer competitively priced options for your trip.

  • 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 holiday 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.

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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 70,647 searches. Data last updated 18 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapestHK$4,257AverageHK$4,628FlexibilityNo cancel feeOn-time74%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Siem Reap?

Cheapflights makes it easy to find Hong Kong to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Siem Reap?

Millions of users choose and trust Cheapflights to book the best flight deals from Hong Kong to Siem Reap for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Hong Kong to Siem Reap with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hong Kong to Siem Reap, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Hong Kong to Siem Reap become cheaper?

Yes! Start tracking prices for Hong Kong to Siem Reap flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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