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Cheap flights from Hong Kong to Siem Reap, Cambodia from HK$1,443

HKG — SAI
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Siem Reap

Thu 15-1018:45 -
1 stop15h 00m
Mon 19-1019:40 -
1 stop20h 45m
Deal found 8-9HK$2,509
Fri 18-918:45 -
1 stop28h 10m
Wed 23-909:35 -
1 stop6h 50m
Deal found 10-9HK$2,517
Wed 23-918:45 -
1 stop19h 30m
Sun 27-918:30 -
1 stop21h 55m
Deal found 8-9HK$2,564
Thu 22-1018:45 -
1 stop19h 30m
Thu 29-1018:40 -
1 stop21h 45m
Deal found 7-9HK$2,604
Fri 4-1218:40 -
1 stop26h 50m
Mon 7-1221:30 -
1 stop18h 55m
Deal found 9-9HK$2,635
Wed 9-1218:40 -
1 stop26h 50m
Sat 12-1218:40 -
1 stop21h 45m
Deal found 9-9HK$2,682
Sat 3-1018:45 -
1 stop28h 10m
Sat 10-1022:35 -
1 stop17h 50m
Deal found 9-9HK$2,776
Fri 4-1218:40 -
1 stop24h 00m
Tue 8-1220:30 -
1 stop16h 00m
Deal found 9-9HK$2,792

Find flight deals from Hong Kong to Siem Reap

Round-trip from

HK$2,509

One-way from

HK$1,443
Vietnam Airlines
  • Vietnam Airlines
  • 15-10-19-10
  • 2 total stops
  • 35h 45m total
  • Hong Kong to Siem Reap
Search Deals
22-9-31-12
  • 22-9-31-12
  • 1 total stop
  • 11h 25m 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

Thu 15-10

07:40-18:05

1 stop11h 25m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,443

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 1-1

21:25-11:40

1 stop15h 15m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,561

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Thu 15-10

14:30-16:25

2 stops26h 55m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,600

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 20-11

18:40-20:30

1 stop26h 50m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,623

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sat 14-11

18:40-17:40

1 stop24h 00m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,623

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Mon 18-1

18:40-17:40

1 stop24h 00m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,631

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 18-10

20:20-18:05

2 stops22h 45m

Siem Reap–Angkor Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,662

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Thu 15-10

18:45-08:45

1 stop15h 00m

Siem Reap–Angkor Intl

Mon 19-10

19:40-17:25

1 stop20h 45m

HK$2,509

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 4-12

18:40-17:40

1 stop24h 00m

Siem Reap–Angkor Intl

Tue 8-12

21:30-17:25

1 stop18h 55m

HK$2,604

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 25-10

18:40-20:30

1 stop26h 50m

Siem Reap–Angkor Intl

Sun 1-11

21:30-17:25

1 stop18h 55m

HK$2,729

Flights are sorted by cheapest return flights first.

Deals found on 5-9

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Siem Reap

See what other customers who have flown with Vietnam Airlines from Hong Kong to Siem Reap have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
286 reviews
Check prices

Crew

8.3

Overall

7.7

Boarding

7.7

Comfort

7.7

Entertainment

6.3

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
286 reviews
Vietnam Airlines
7.7
Good
286 reviews
Check prices

Crew

8.3

Overall

7.7

Boarding

7.7

Comfort

7.7

Entertainment

6.3

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

  • What airport do you fly into for flights to Siem Reap from Hong Kong?

    For a flight from Hong Kong to Siem Reap, you will be flying into Siem Reap–Angkor Intl. Siem Reap–Angkor Intl (SAI) is just 39.7 km from the centre of the city.

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

    A quick flight from Hong Kong to Siem Reap can take about 15h. Vietnam Airlines provides one of the quickest options available for as low as HK$2,509. The distance from Hong Kong to Siem Reap is about 1426 km.

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

    Currently priced at HK$2,281, Vietnam Airlines will fly you from Hong Kong to Siem Reap and back. In addition to Vietnam Airlines, 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Hong Kong to Siem Reap

Hong Kong to Siem Reap flights

Top airline flying from Hong Kong to Siem Reap

AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapestHK$2,281AverageHK$4,701FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

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When you search for this flight from Hong Kong to Siem Reap, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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.

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Yes, Cheapflights offers price alerts on Hong Kong to Siem Reap flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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