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Cheap flights from Hong Kong to Siem Reap from $166

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Siem Reap departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Hong Kong to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
9:15 pm - 8:10 pm
HKG
-
SAI
23h 55m
1 stop
China Eastern Logo
9:10 pm - 10:25 am
SAI
-
HKG
12h 15m
1 stop
$326China Eastern
вт, квіт. 21 - пт, черв. 19
China Eastern Logo
11:35 am - 8:10 pm
HKG
-
SAI
33h 35m
2 stops
China Eastern Logo
9:10 pm - 10:25 am
SAI
-
HKG
12h 15m
1 stop
$333China Eastern
вт, квіт. 21 - ср, черв. 24
China Eastern Logo
5:05 pm - 8:10 pm
HKG
-
SAI
28h 05m
2 stops
China Eastern Logo
9:10 pm - 10:30 am
SAI
-
HKG
36h 20m
2 stops
$341China Eastern
чт, квіт. 23 - пт, черв. 19
Vietnam Airlines Logo
6:45 pm - 6:20 pm
HKG
-
SAI
24h 35m
1 stop
Vietnam Airlines Logo
7:10 pm - 5:25 pm
SAI
-
HKG
21h 15m
1 stop
$354Vietnam Airlines
чт, квіт. 16 - пн, квіт. 20
Vietnam Airlines Logo
2:30 pm - 5:10 pm
HKG
-
SAI
27h 40m
1 stop
Vietnam Airlines Logo
7:10 pm - 5:25 pm
SAI
-
HKG
21h 15m
1 stop
$356Vietnam Airlines
чт, квіт. 16 - пн, квіт. 20
Vietnam Airlines Logo
2:30 pm - 4:25 pm
HKG
-
SAI
26h 55m
2 stops
Vietnam Airlines Logo
6:05 pm - 1:30 pm
SAI
-
HKG
18h 25m
1 stop
$359Vietnam Airlines
пт, квіт. 17 - ср, квіт. 22
China Eastern Logo
11:25 am - 8:10 pm
HKG
-
SAI
9h 45m
1 stop
China Eastern Logo
9:10 pm - 8:15 pm
SAI
-
HKG
22h 05m
1 stop
$362China Eastern
пт, квіт. 17 - пт, квіт. 24
Vietnam Airlines Logo
2:30 pm - 4:25 pm
HKG
-
SAI
26h 55m
2 stops
Vietnam Airlines Logo
7:10 pm - 5:25 pm
SAI
-
HKG
21h 15m
1 stop
$364Vietnam Airlines
чт, квіт. 16 - пн, квіт. 20
Vietnam Airlines Logo
2:30 pm - 4:25 pm
HKG
-
SAI
26h 55m
2 stops
Vietnam Airlines Logo
7:10 pm - 5:25 pm
SAI
-
HKG
21h 15m
1 stop
$366Vietnam Airlines
чт, квіт. 16 - пн, квіт. 20
China Eastern Logo
11:25 am - 8:10 pm
HKG
-
SAI
9h 45m
1 stop
China Eastern Logo
9:10 pm - 3:30 pm
SAI
-
HKG
17h 20m
2 stops
$368China Eastern
пт, квіт. 17 - пт, квіт. 24

Vietnam Airlines flights from Hong Kong to Siem Reap

Our best Vietnam Airlines deals on Hong Kong to Siem Reap flight tickets
Vietnam Airlines
Apr 16
HKG6:45 pmHong Kong Intl
24h 35m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
Apr 20
SAI7:10 pmSiem Reap–Angkor Intl
21h 15m
1 stop
HKG5:25 pmHong Kong Intl
$354
Vietnam Airlines
Apr 16
HKG2:30 pmHong Kong Intl
27h 40m
1 stop
SAI5:10 pmSiem Reap–Angkor Intl
Apr 20
SAI7:10 pmSiem Reap–Angkor Intl
21h 15m
1 stop
HKG5:25 pmHong Kong Intl
$356
Vietnam Airlines
Apr 17
HKG2:30 pmHong Kong Intl
26h 55m
2 stops
SAI4:25 pmSiem Reap–Angkor Intl
Apr 22
SAI6:05 pmSiem Reap–Angkor Intl
18h 25m
1 stop
HKG1:30 pmHong Kong Intl
$359

China Eastern flights from Hong Kong to Siem Reap

Our best China Eastern deals on Hong Kong to Siem Reap flight tickets
China Eastern
Apr 21
HKG9:15 pmHong Kong Intl
23h 55m
1 stop
SAI8:10 pmSiem Reap–Angkor Intl
Jun 19
SAI9:10 pmSiem Reap–Angkor Intl
12h 15m
1 stop
HKG10:25 amHong Kong Intl
$326
China Eastern
Apr 21
HKG11:35 amHong Kong Intl
33h 35m
2 stops
SAI8:10 pmSiem Reap–Angkor Intl
Jun 24
SAI9:10 pmSiem Reap–Angkor Intl
12h 15m
1 stop
HKG10:25 amHong Kong Intl
$333
China Eastern
Apr 23
HKG5:05 pmHong Kong Intl
28h 05m
2 stops
SAI8:10 pmSiem Reap–Angkor Intl
Jun 19
SAI9:10 pmSiem Reap–Angkor Intl
36h 20m
2 stops
HKG10:30 amHong Kong Intl
$341

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated березень 23, 2026.
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 - SAI

HKGSAI

Hong Kong Intl

вт 4/21

9:15 pm-8:10 pm

1 stop23h 55m

Siem Reap–Angkor Intl

пт 6/19

9:10 pm-10:25 am

1 stop12h 15m

$326

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

вт 4/21

11:35 am-8:10 pm

2 stops33h 35m

Siem Reap–Angkor Intl

ср 6/24

9:10 pm-10:25 am

1 stop12h 15m

$333

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

чт 4/23

5:05 pm-8:10 pm

2 stops28h 05m

Siem Reap–Angkor Intl

пт 6/19

9:10 pm-10:30 am

2 stops36h 20m

$341

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

чт 4/16

6:45 pm-6:20 pm

1 stop24h 35m

Siem Reap–Angkor Intl

пн 4/20

7:10 pm-5:25 pm

1 stop21h 15m

$354

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

чт 4/16

2:30 pm-5:10 pm

1 stop27h 40m

Siem Reap–Angkor Intl

пн 4/20

7:10 pm-5:25 pm

1 stop21h 15m

$356

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

пт 4/17

2:30 pm-4:25 pm

2 stops26h 55m

Siem Reap–Angkor Intl

ср 4/22

6:05 pm-1:30 pm

1 stop18h 25m

$359

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

пт 4/17

11:25 am-8:10 pm

1 stop9h 45m

Siem Reap–Angkor Intl

пт 4/24

9:10 pm-8:15 pm

1 stop22h 05m

$362

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

чт 4/16

2:30 pm-4:25 pm

2 stops26h 55m

Siem Reap–Angkor Intl

пн 4/20

7:10 pm-5:25 pm

1 stop21h 15m

$364

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

чт 4/16

2:30 pm-4:25 pm

2 stops26h 55m

Siem Reap–Angkor Intl

пн 4/20

7:10 pm-5:25 pm

1 stop21h 15m

$366
Quickest round-trip

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

пт 4/17

11:25 am-8:10 pm

1 stop9h 45m

Siem Reap–Angkor Intl

пт 4/24

9:10 pm-3:30 pm

2 stops17h 20m

$368

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 March 2026, prices for Hong Kong to Siem Reap flights are approximately 16% 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

Fastest flight time

13h 00m

Direct flights

None
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

  • 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 many operators does momondo search for flights from Hong Kong Intl Airport to Siem Reap–Angkor Intl Airport?

  • 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.

  • What is the most popular airline from Hong Kong to Siem Reap?

Best airlines flying from Hong Kong to Siem Reap

Compare and see reviews for airlines that fly from Hong Kong to Siem Reap with momondo
Airline
Rating
Free Cancellation
Price
Vietnam AirlinesPriceFrom $298Free CancellationRating
7.7
245 reviews
Search Vietnam Airlines flights

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.

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