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Cheap flights from Hong Kong to Siem Reap from R3 773

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Hong Kong to Siem Reap

Cheap return flights

Enter your travel dates to find the best prices.
Vietnam Airlines Logo
14:30 - 16:55HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
27h 25m1 stop Hanoi Noibai
Vietnam Airlines Logo
21:30 - 17:25SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
R6 449Vietnam Airlines
Fri, Nov 27 - Mon, Dec 7
Vietnam Airlines Logo
14:30 - 16:10HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
21:30 - 17:25SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
R6 615Vietnam Airlines
Sun, Nov 29 - Mon, Dec 7
Vietnam Airlines Logo
18:40 - 20:30HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 50m1 stop Ho Chi Minh City
Vietnam Airlines Logo
21:30 - 17:25SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
R6 665Vietnam Airlines
Sun, Nov 22 - Wed, Nov 25
Vietnam Airlines Logo
14:30 - 16:10HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
17:55 - 13:30SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 35m1 stop Hanoi Noibai
R7 014Vietnam Airlines
Thu, Nov 26 - Mon, Dec 7
Vietnam Airlines Logo
14:30 - 16:10HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
21:30 - 17:25SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
R7 264Vietnam Airlines
Sun, Nov 22 - Wed, Nov 25
Vietnam Airlines Logo
14:30 - 16:10HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
21:30 - 17:25SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
R7 280Vietnam Airlines
Sun, Nov 22 - Wed, Nov 25
Vietnam Airlines Logo
18:40 - 16:55HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
23h 15m2 stops Ho Chi Minh City Hanoi Noibai
Vietnam Airlines Logo
17:55 - 13:30SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 35m1 stop Hanoi Noibai
R7 762Vietnam Airlines
Wed, Dec 2 - Mon, Dec 7
Vietnam Airlines Logo
14:30 - 16:10HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
17:05 - 13:30SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
19h 25m2 stops Luang Prabang Hanoi Noibai
R7 845Vietnam Airlines
Sun, Nov 22 - Wed, Nov 25
Vietnam Airlines Logo
14:30 - 16:10HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
17:05 - 13:30SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
19h 25m2 stops Luang Prabang Hanoi Noibai
R7 862Vietnam Airlines
Sun, Nov 22 - Wed, Nov 25
Vietnam Airlines Logo
14:30 - 16:55HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
27h 25m1 stop Hanoi Noibai
Vietnam Airlines Logo
17:55 - 17:25SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
22h 30m2 stops Hanoi Noibai Ho Chi Minh City
R8 677Vietnam Airlines
Fri, Nov 27 - Mon, Dec 7

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Vietnam Airlines flights from Hong Kong to Siem Reap

Our best Vietnam Airlines deals on Hong Kong to Siem Reap flight tickets
Vietnam Airlines
Nov 27
HKG14:30Hong Kong Intl
27h 25m
1 stop
SAI16:55Siem Reap–Angkor Intl
Dec 7
SAI21:30Siem Reap–Angkor Intl
18h 55m
1 stop
HKG17:25Hong Kong Intl
R6 449
Vietnam Airlines
Nov 29
HKG14:30Hong Kong Intl
26h 40m
2 stops
SAI16:10Siem Reap–Angkor Intl
Dec 7
SAI21:30Siem Reap–Angkor Intl
18h 55m
1 stop
HKG17:25Hong Kong Intl
R6 615
Vietnam Airlines
Nov 22
HKG18:40Hong Kong Intl
26h 50m
1 stop
SAI20:30Siem Reap–Angkor Intl
Nov 25
SAI21:30Siem Reap–Angkor Intl
18h 55m
1 stop
HKG17:25Hong Kong Intl
R6 665

momondo 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

Depart

Return

Price

Cheapest return flight

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 27/11

14:30-16:55

1 stop27h 25m

Siem Reap–Angkor Intl

Mon 7/12

21:30-17:25

1 stop18h 55m

R6 449

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 29/11

14:30-16:10

2 stops26h 40m

Siem Reap–Angkor Intl

Mon 7/12

21:30-17:25

1 stop18h 55m

R6 615

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

R6 665

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Thu 26/11

14:30-16:10

2 stops26h 40m

Siem Reap–Angkor Intl

Mon 7/12

17:55-13:30

1 stop18h 35m

R7 014

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 22/11

14:30-16:10

2 stops26h 40m

Siem Reap–Angkor Intl

Wed 25/11

21:30-17:25

1 stop18h 55m

R7 264

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 22/11

14:30-16:10

2 stops26h 40m

Siem Reap–Angkor Intl

Wed 25/11

21:30-17:25

1 stop18h 55m

R7 280
Fastest return journey

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Wed 2/12

18:40-16:55

2 stops23h 15m

Siem Reap–Angkor Intl

Mon 7/12

17:55-13:30

1 stop18h 35m

R7 762

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 22/11

14:30-16:10

2 stops26h 40m

Siem Reap–Angkor Intl

Wed 25/11

17:05-13:30

2 stops19h 25m

R7 845

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 22/11

14:30-16:10

2 stops26h 40m

Siem Reap–Angkor Intl

Wed 25/11

17:05-13:30

2 stops19h 25m

R7 862

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 27/11

14:30-16:55

1 stop27h 25m

Siem Reap–Angkor Intl

Mon 7/12

17:55-17:25

2 stops22h 30m

R8 677

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Hong Kong to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How have Hong Kong to Siem Reap flight prices changed over time?

As of October 2026, prices for Hong Kong to Siem Reap flights are approximately 143% more expensive when compared to flights at the same time last year.

When to book flights from Hong Kong to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Hong Kong to Siem Reap (HKG to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Siem Reap

Best price found

R3 773

Direct flights

None
The best one-way flight to Siem Reap from Hong Kong in the past 72 hours is R3 773. The best return flight deal from Hong Kong to Siem Reap found on momondo in the last 72 hours is R6 449.
There are no direct flights from Hong Kong to Siem Reap. There are no popular flight routes from Hong Kong to Siem Reap.
Search flight deals

Frequently asked questions about flying from Hong Kong to Siem Reap

  • How far is Hong Kong Intl to Siem Reap–Angkor Intl by plane?

    There are 1476,7 km between Hong Kong Intl and Siem Reap–Angkor Intl.

  • When did momondo last update prices for flights from Hong Kong Intl Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Hong Kong Intl Airport to Siem Reap–Angkor Intl Airport were last updated today.

  • How old do you have to be to fly from Hong Kong Intl Airport to Siem Reap–Angkor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hong Kong Intl Airport to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Siem Reap?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to Siem Reap for you.

Can I find flights from Hong Kong to Siem Reap with flexible booking policies on momondo?

Flights from Hong Kong to Siem Reap with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Hong Kong to Siem Reap?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Hong Kong to Siem Reap.

I’m not ready to book a flight from Hong Kong to Siem Reap right now. Can momondo alert me if prices change?

Price alerts on flights to Siem Reap from Hong Kong are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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