Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Hong Kong to Siem Reap from $157

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Hong Kong to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:35 am - 6:05 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
11h 30m1 stop Hanoi Noibai
Multiple Airlines Logo
7:05 pm - 12:35 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
16h 30m1 stop Hanoi Noibai
$322Multiple Airlines
Wed, Dec 2 - Sat, Dec 5
Multiple Airlines Logo
7:35 am - 6:05 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
11h 30m1 stop Hanoi Noibai
Multiple Airlines Logo
7:05 pm - 12:35 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
16h 30m1 stop Hanoi Noibai
$356Multiple Airlines
Fri, Dec 18 - Mon, Dec 21
China Eastern Logo
5:05 pm - 8:05 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
28h 00m1 stop Kunming Changshui
China Eastern Logo
9:05 pm - 5:25 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
19h 20m2 stops Kunming Changshui Wuhan
$368China Eastern
Wed, Dec 2 - Sat, Dec 5
Vietnam Airlines Logo
2:30 pm - 4:10 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
9:30 pm - 5:25 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
$378Vietnam Airlines
Thu, Dec 10 - Sun, Dec 13
Multiple Airlines Logo
7:35 am - 4:55 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
10h 20m1 stop Hanoi Noibai
Multiple Airlines Logo
7:05 pm - 12:35 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
16h 30m1 stop Hanoi Noibai
$379Multiple Airlines
Mon, Feb 15 - Wed, Feb 17
Vietnam Airlines Logo
2:30 pm - 4:10 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
5:05 pm - 1:30 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
19h 25m2 stops Luang Prabang Hanoi Noibai
$387Vietnam Airlines
Wed, Dec 2 - Sat, Dec 5
Vietnam Airlines Logo
2:30 pm - 4:55 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
27h 25m1 stop Hanoi Noibai
Vietnam Airlines Logo
9:30 pm - 5:25 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
$388Vietnam Airlines
Fri, Nov 27 - Mon, Dec 7
Vietnam Airlines Logo
2:30 pm - 4:10 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 40m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
9:30 pm - 5:25 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
$398Vietnam Airlines
Sun, Nov 29 - Mon, Dec 7
Vietnam Airlines Logo
6:40 pm - 8:30 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
26h 50m1 stop Ho Chi Minh City
Vietnam Airlines Logo
9:30 pm - 5:25 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
18h 55m1 stop Ho Chi Minh City
$401Vietnam Airlines
Sun, Nov 22 - Wed, Nov 25
Vietnam Airlines Logo
6:40 pm - 5:40 pmHKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
24h 00m1 stop Ho Chi Minh City
Vietnam Airlines Logo
5:05 pm - 1:30 pmSAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
19h 25m2 stops Luang Prabang Hanoi Noibai
$410Vietnam Airlines
Fri, Dec 18 - Mon, Dec 21

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

China Eastern flights from Hong Kong to Siem Reap

Our best China Eastern deals on Hong Kong to Siem Reap flight tickets
China Eastern
Dec 2
HKG5:05 pmHong Kong Intl
28h 00m
1 stop
SAI8:05 pmSiem Reap–Angkor Intl
Dec 5
SAI9:05 pmSiem Reap–Angkor Intl
19h 20m
2 stops
HKG5:25 pmHong Kong Intl
$368
China Eastern
Dec 10
HKG12:05 pmHong Kong Intl
9h 00m
1 stop
SAI8:05 pmSiem Reap–Angkor Intl
Dec 13
SAI9:05 pmSiem Reap–Angkor Intl
20h 10m
3 stops
HKG6:15 pmHong Kong Intl
$433

Vietnam Airlines flights from Hong Kong to Siem Reap

Our best Vietnam Airlines deals on Hong Kong to Siem Reap flight tickets
Vietnam Airlines
Dec 10
HKG2:30 pmHong Kong Intl
26h 40m
2 stops
SAI4:10 pmSiem Reap–Angkor Intl
Dec 13
SAI9:30 pmSiem Reap–Angkor Intl
18h 55m
1 stop
HKG5:25 pmHong Kong Intl
$378
Vietnam Airlines
Dec 2
HKG2:30 pmHong Kong Intl
26h 40m
2 stops
SAI4:10 pmSiem Reap–Angkor Intl
Dec 5
SAI5:05 pmSiem Reap–Angkor Intl
19h 25m
2 stops
HKG1:30 pmHong Kong Intl
$387
Vietnam Airlines
Nov 27
HKG2:30 pmHong Kong Intl
27h 25m
1 stop
SAI4:55 pmSiem Reap–Angkor Intl
Dec 7
SAI9:30 pmSiem Reap–Angkor Intl
18h 55m
1 stop
HKG5:25 pmHong Kong Intl
$388

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 round-trip

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Wed 12/2

7:35 am-6:05 pm

1 stop11h 30m

Siem Reap–Angkor Intl

Sat 12/5

7:05 pm-12:35 pm

1 stop16h 30m

$322

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 12/18

7:35 am-6:05 pm

1 stop11h 30m

Siem Reap–Angkor Intl

Mon 12/21

7:05 pm-12:35 pm

1 stop16h 30m

$356

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Wed 12/2

5:05 pm-8:05 pm

1 stop28h 00m

Siem Reap–Angkor Intl

Sat 12/5

9:05 pm-5:25 pm

2 stops19h 20m

$368

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Thu 12/10

2:30 pm-4:10 pm

2 stops26h 40m

Siem Reap–Angkor Intl

Sun 12/13

9:30 pm-5:25 pm

1 stop18h 55m

$378
Quickest round-trip

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Mon 2/15

7:35 am-4:55 pm

1 stop10h 20m

Siem Reap–Angkor Intl

Wed 2/17

7:05 pm-12:35 pm

1 stop16h 30m

$379

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Wed 12/2

2:30 pm-4:10 pm

2 stops26h 40m

Siem Reap–Angkor Intl

Sat 12/5

5:05 pm-1:30 pm

2 stops19h 25m

$387

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 11/27

2:30 pm-4:55 pm

1 stop27h 25m

Siem Reap–Angkor Intl

Mon 12/7

9:30 pm-5:25 pm

1 stop18h 55m

$388

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 11/29

2:30 pm-4:10 pm

2 stops26h 40m

Siem Reap–Angkor Intl

Mon 12/7

9:30 pm-5:25 pm

1 stop18h 55m

$398

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Sun 11/22

6:40 pm-8:30 pm

1 stop26h 50m

Siem Reap–Angkor Intl

Wed 11/25

9:30 pm-5:25 pm

1 stop18h 55m

$401

Hong KongSiem Reap

HKG Hong Kong Intl - SAI Siem Reap–Angkor Intl

HKGSAI

Hong Kong Intl

Fri 12/18

6:40 pm-5:40 pm

1 stop24h 00m

Siem Reap–Angkor Intl

Mon 12/21

5:05 pm-1:30 pm

2 stops19h 25m

$410

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 round-trip 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

$157

Fastest flight time

13h 00m

Direct flights

None
The best one-way flight to Siem Reap from Hong Kong in the past 72 hours is $157. The best round-trip flight deal from Hong Kong to Siem Reap found on momondo in the last 72 hours is $322.
The fastest flight from Hong Kong to Siem Reap takes 13h 00m
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?

    Siem Reap–Angkor Intl is 917.6 mi away from Hong Kong Intl. By plane, this route typically takes 13h 00m.

  • 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 layovers 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 necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

Yes. momondo enables you to select and highlight flights to Siem Reap from Hong Kong with this policy.

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

Once you have performed a search for Hong Kong to Siem Reap flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Siem Reap from Hong Kong. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 11/29
Sun 12/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

Cabin classes currently available on flights to Siem Reap

First Class to Siem Reap
Business Class to Siem Reap