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Cheap flights from Hong Kong to Siem Reap from $192

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 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Vietnam Airlines Logo
2:30 pm - 5:10 pm
HKG
-
SAI
27h 40m
1 stop
Vietnam Airlines Logo
6:05 pm - 1:30 pm
SAI
-
HKG
18h 25m
1 stop
$357Vietnam Airlines
Tue, Jun 30 - Tue, Jul 7
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
$370Vietnam Airlines
Thu, Jun 11 - Sun, Jun 14
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
$379Vietnam Airlines
Fri, Jun 19 - Sun, Jun 21
Cambodia Angkor Air Logo
9:35 pm - 2:20 pm
HKG
-
SAI
17h 45m
1 stop
Cambodia Angkor Air Logo
1:00 pm - 8:35 pm
SAI
-
HKG
6h 35m
1 stop
$384Cambodia Angkor Air
Wed, Jun 17 - Sun, Jun 21
Cambodia Angkor Air Logo
9:35 pm - 11:15 am
HKG
-
SAI
14h 40m
1 stop
Cambodia Angkor Air Logo
7:20 pm - 8:35 pm
SAI
-
HKG
24h 15m
1 stop
$385Cambodia Angkor Air
Wed, Jun 3 - Sun, Jun 7
Vietnam Airlines Logo
2:30 pm - 5:10 pm
HKG
-
SAI
27h 40m
1 stop
Vietnam Airlines Logo
6:05 pm - 1:30 pm
SAI
-
HKG
18h 25m
1 stop
$392Vietnam Airlines
Thu, Jun 18 - Sun, Jun 21
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
$396Vietnam Airlines
Sat, Jun 20 - Sun, Jun 21
Vietnam Airlines Logo
6:45 pm - 5:10 pm
HKG
-
SAI
23h 25m
2 stops
Vietnam Airlines Logo
7:10 pm - 5:25 pm
SAI
-
HKG
21h 15m
1 stop
$430Vietnam Airlines
Thu, Jun 11 - Sun, Jun 14
Multiple Airlines Logo
7:40 am - 6:05 pm
HKG
-
SAI
11h 25m
1 stop
Multiple Airlines Logo
7:05 pm - 2:50 pm
SAI
-
HKG
18h 45m
2 stops
$441Multiple Airlines
Tue, Jun 30 - Tue, Jul 7
Vietnam Airlines Logo
6:45 pm - 5:10 pm
HKG
-
SAI
23h 25m
2 stops
Vietnam Airlines Logo
7:10 pm - 5:25 pm
SAI
-
HKG
21h 15m
1 stop
$476Vietnam Airlines
Fri, Jun 19 - Sun, Jun 21

Vietnam Airlines flights from Hong Kong to Siem Reap

Our best Vietnam Airlines deals on Hong Kong to Siem Reap flight tickets
Vietnam Airlines
Jun 30
HKG2:30 pmHong Kong Intl
27h 40m
1 stop
SAI5:10 pmSiem Reap–Angkor Intl
Jul 7
SAI6:05 pmSiem Reap–Angkor Intl
18h 25m
1 stop
HKG1:30 pmHong Kong Intl
$357
Vietnam Airlines
Jun 11
HKG6:45 pmHong Kong Intl
24h 35m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
Jun 14
SAI7:10 pmSiem Reap–Angkor Intl
21h 15m
1 stop
HKG5:25 pmHong Kong Intl
$370
Vietnam Airlines
Jun 19
HKG6:45 pmHong Kong Intl
24h 35m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
Jun 21
SAI7:10 pmSiem Reap–Angkor Intl
21h 15m
1 stop
HKG5:25 pmHong Kong Intl
$379

Cambodia Angkor Air flights from Hong Kong to Siem Reap

Our best Cambodia Angkor Air deals on Hong Kong to Siem Reap flight tickets
Cambodia Angkor Air
Jun 17
HKG9:35 pmHong Kong Intl
17h 45m
1 stop
SAI2:20 pmSiem Reap–Angkor Intl
Jun 21
SAI1:00 pmSiem Reap–Angkor Intl
6h 35m
1 stop
HKG8:35 pmHong Kong Intl
$384
Cambodia Angkor Air
Jun 3
HKG9:35 pmHong Kong Intl
14h 40m
1 stop
SAI11:15 amSiem Reap–Angkor Intl
Jun 7
SAI7:20 pmSiem Reap–Angkor Intl
24h 15m
1 stop
HKG8:35 pmHong Kong Intl
$385

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 May 20, 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

Tue 6/30

2:30 pm-5:10 pm

1 stop27h 40m

Siem Reap–Angkor Intl

Tue 7/7

6:05 pm-1:30 pm

1 stop18h 25m

$357

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 6/11

6:45 pm-6:20 pm

1 stop24h 35m

Siem Reap–Angkor Intl

Sun 6/14

7:10 pm-5:25 pm

1 stop21h 15m

$370

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 6/19

6:45 pm-6:20 pm

1 stop24h 35m

Siem Reap–Angkor Intl

Sun 6/21

7:10 pm-5:25 pm

1 stop21h 15m

$379
Quickest round-trip

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 6/17

9:35 pm-2:20 pm

1 stop17h 45m

Siem Reap–Angkor Intl

Sun 6/21

1:00 pm-8:35 pm

1 stop6h 35m

$384

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 6/3

9:35 pm-11:15 am

1 stop14h 40m

Siem Reap–Angkor Intl

Sun 6/7

7:20 pm-8:35 pm

1 stop24h 15m

$385

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 6/18

2:30 pm-5:10 pm

1 stop27h 40m

Siem Reap–Angkor Intl

Sun 6/21

6:05 pm-1:30 pm

1 stop18h 25m

$392

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sat 6/20

2:30 pm-5:10 pm

1 stop27h 40m

Siem Reap–Angkor Intl

Sun 6/21

7:10 pm-5:25 pm

1 stop21h 15m

$396

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 6/11

6:45 pm-5:10 pm

2 stops23h 25m

Siem Reap–Angkor Intl

Sun 6/14

7:10 pm-5:25 pm

1 stop21h 15m

$430

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Tue 6/30

7:40 am-6:05 pm

1 stop11h 25m

Siem Reap–Angkor Intl

Tue 7/7

7:05 pm-2:50 pm

2 stops18h 45m

$441

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 6/19

6:45 pm-5:10 pm

2 stops23h 25m

Siem Reap–Angkor Intl

Sun 6/21

7:10 pm-5:25 pm

1 stop21h 15m

$476

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

What is the cheapest airline that flies from Hong Kong Intl to Siem Reap–Angkor Intl?

Vietnam Airlines and Cambodia Angkor Air are the most popular carriers operating from Hong Kong Intl to Siem Reap–Angkor Intl

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

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 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
270 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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