How long is the flight from Hong Kong to Siem Reap?

A quick flight from Hong Kong to Siem Reap can take about 6h 10m. China Eastern provides one of the quickest options available for as low as HK$2,965. The distance from Hong Kong to Siem Reap is about 1426 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

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

When flying from Hong Kong to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

HK$1,177+ Cheap Flights from Hong Kong to Siem Reap, Cambodia

Cheap flight deals from Hong Kong to Siem Reap

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 2 November 2026.

Mon 14-1207:35 -

1 stop11h 30m

Mon 21-1219:05 -

1 stop16h 30m

Deal found 30-10HK$2,416

Thu 17-1207:35 -

1 stop11h 30m

Thu 24-1219:05 -

1 stop16h 30m

Deal found 2-11HK$2,486

Wed 2-1207:35 -

1 stop11h 30m

Sat 5-1219:05 -

1 stop16h 30m

Deal found 29-10HK$2,526

Wed 4-1107:35 -

1 stop10h 20m

Sun 8-1119:05 -

1 stop15h 50m

Deal found 31-10HK$2,690

Fri 6-1121:15 -

1 stop23h 50m

Sun 8-1121:05 -

1 stop18h 00m

Deal found 31-10HK$2,824

Fri 30-1017:05 -

1 stop28h 00m

Tue 3-1121:05 -

1 stop18h 00m

Deal found 29-10HK$2,863

Wed 2-1217:05 -

1 stop28h 00m

Sat 5-1221:05 -

2 stops19h 20m

Deal found 29-10HK$2,887

Fri 6-1114:30 -

2 stops26h 40m

Sun 8-1118:40 -

1 stop21h 45m

Deal found 31-10HK$2,934

Sat 31-1012:30 -

1 stop23h 05m

Mon 9-1117:00 -

1 stop17h 30m

Deal found 28-10HK$2,981

Mon 14-1214:30 -

1 stop27h 25m

Mon 21-1217:05 -

2 stops19h 25m

Deal found 30-10HK$2,988

Tue 1-1214:30 -

1 stop6h 10m

Sun 6-1221:30 -

1 stop18h 55m

Deal found 31-10HK$3,012

Sat 7-1112:30 -

1 stop26h 45m

Mon 16-1117:00 -

1 stop17h 30m

Deal found 30-10HK$3,020

Find flight deals from Hong Kong to Siem Reap

Round-trip from	HK$2,416
One-way from	HK$1,177

14-12-21-12
2 total stops
28h 00m total
Hong Kong to Siem Reap

Search Deals

15-12-31-12
1 total stop
6h 10m total
Hong Kong to Siem Reap

Search Deals

Cheapflights Fare Finder

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

Departure

Return

Price

Cheapest return flight

Fastest return journey

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Mon 11-1

07:35-18:05

1 stop11h 30m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,498

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Tue 15-12

16:50-18:05

2 stops26h 15m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,537

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 29-1

18:40-20:30

1 stop26h 50m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,584

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Wed 25-11

14:30-16:55

1 stop27h 25m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,639

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 8-11

18:40-20:30

1 stop26h 50m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,671

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Mon 18-1

14:30-16:55

1 stop27h 25m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,726

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Wed 25-11

13:15-20:05

2 stops31h 50m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,757

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Wed 2-12

17:05-20:05

1 stop28h 00m

Siem Reap–Angkor Intl

Sat 5-12

21:05-17:25

2 stops19h 20m

HK$2,887

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sat 2-1

14:30-19:40

1 stop6h 10m

Siem Reap–Angkor Intl

Tue 5-1

17:55-13:30

1 stop18h 35m

HK$2,965

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 22-11

18:40-20:30

1 stop26h 50m

Siem Reap–Angkor Intl

Wed 25-11

21:30-17:25

1 stop18h 55m

HK$3,145

Flights are sorted by cheapest return flights first.

Deals found on 30-10

Showing 1-10 of 12 resultsSorted 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.

HKG-SAI

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.

Related info for your journey

How long is the flight from Hong Kong to Siem Reap?
A quick flight from Hong Kong to Siem Reap can take about 6h 10m. China Eastern provides one of the quickest options available for as low as HK$2,965. The distance from Hong Kong to Siem Reap is about 1426 km. This flight may include one or multiple stops.
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.

See more FAQs

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Complete your trip

Direct flights to Cambodia

Flights by cabin class

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Popular flights

Complete your trip

Siem Reap car hire

Siem Reap–Angkor Intl Airport car hire

Wat Bo Area car hire

Old French Quarter car hire

Taphul Village Area car hire

Wat Polanka Area car hire

Wat Damnak Area car hire

Night Market Area car hire

Old Market Area car hire

Phsar Leu Area car hire

Royal Gardens Area car hire

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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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Cheap flights from Hong Kong to Siem Reap, Cambodia from HK$1,177

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15-12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to Siem Reap

Cheapest flights from Hong Kong to Siem ReapExplore 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 2 November 2026.

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 2 November 2026.

Best flights from Hong Kong to Siem ReapDiscover carefully curated flight deals from Hong Kong to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 November 2026.

Discover carefully curated flight deals from Hong Kong to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 November 2026.

Last-minute flights from Hong Kong to Siem ReapDiscover last-minute flight deals from Hong Kong to Siem Reap. Data last updated 2 November 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Siem Reap. Data last updated 2 November 2026 and is based on user searches.

One-way flights from Hong Kong to Siem ReapSearch for one-way flight options from Hong Kong to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.

Search for one-way flight options from Hong Kong to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.

Find flight deals from Hong Kong to Siem Reap

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One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to Siem Reap that are best for you.

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.

Related info for your journey

How long is the flight from Hong Kong to Siem Reap?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Siem Reap by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Cambodia

Book a non-stop flight to one of these other cities located in Cambodia.

Search flights from Hong Kong to Siem Reap by cabin class

Find flights from Hong Kong to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and Siem Reap flights

Browse other Hong Kong and Siem Reap flight options. Last updated on 2 November 2026.

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Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

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Travel Smart

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 2 November 2026.

Best flights from Hong Kong to Siem Reap
Discover carefully curated flight deals from Hong Kong to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 November 2026.

Last-minute flights from Hong Kong to Siem Reap
Discover last-minute flight deals from Hong Kong to Siem Reap. Data last updated 2 November 2026 and is based on user searches.

One-way flights from Hong Kong to Siem Reap
Search for one-way flight options from Hong Kong to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.