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Cheap flights from Siem Reap to Hong Kong from $180

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Siem Reap to Hong Kong departing on 1/9. 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

Find the cheapest flights from Siem Reap to Hong Kong

Cheap round-trip flights

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SAI  Siem Reap–Angkor Intl-HKG Hong Kong Intl
886 mimulti-stop
Multiple Airlines Logo
HKG  Hong Kong Intl-SAI Siem Reap–Angkor Intl
886 mimulti-stop
Multiple Airlines

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Customize your flight search to find flights from Siem Reap to Hong Kong 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 August 10, 2026.
Use the filters below to find and compare flights from Siem Reap to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Sat 1/9

7:05 pm-12:35 pm

1 stop16h 30m

$180

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Mon 8/31

3:00 pm-5:25 pm

1 stop25h 25m

$186

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Fri 1/8

2:50 pm-3:40 pm

1 stop23h 50m

$189

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Fri 8/28

5:55 pm-11:25 am

1 stop16h 30m

$199

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Thu 1/14

7:05 pm-11:55 am

1 stop15h 50m

$204

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Wed 1/13

7:05 pm-11:55 am

1 stop15h 50m

$211
Quickest one-way

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Mon 1/11

11:45 am-11:40 pm

1 stop10h 55m

$214

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Sun 9/27

11:30 am-11:25 am

1 stop22h 55m

$215

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Thu 11/26

9:30 pm-5:25 pm

1 stop18h 55m

$217

Siem ReapHong Kong

SAI Siem Reap–Angkor Intl - HKG Hong Kong Intl

SAIHKG

Siem Reap–Angkor Intl

Wed 2/3

5:55 pm-1:30 pm

1 stop18h 35m

$226

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 Siem Reap–Angkor Intl to Hong Kong Intl?

Vietnam Airlines is the most popular carrier operating from Siem Reap–Angkor Intl to Hong Kong Intl

When to book flights from Siem Reap to Hong Kong

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

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

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

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from Siem Reap to Hong Kong takes 12h 20m
There are no direct flights from Siem Reap to Hong Kong. There are no popular flight routes from Siem Reap to Hong Kong.
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Frequently asked questions about flying from Siem Reap to Hong Kong

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

    A flight from Siem Reap–Angkor Intl to Hong Kong Intl will travel around 917.6 mi. 12h 20m is a normal flight duration for this route.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Siem Reap–Angkor Intl Airport to Hong Kong Intl Airport.

  • What documentation or ID do you need to fly to Hong Kong Intl Airport?

    The required travel and health documents for your Hong Kong Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hong Kong Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Hong Kong from Siem Reap is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Hong Kong quick and easy, saving you time and money.

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

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

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

Once all potential Siem Reap to Hong Kong flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Hong Kong, momondo offers a useful price alert feature which will track prices for flights to Hong Kong from Siem Reap and alert you when they change.

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Cabin classes currently available on flights to Hong Kong

List of cabin classes available on flights landing in Hong Kong. Availability may vary depending on flight origin and airline.
First Class to Hong Kong
Business Class to Hong Kongfrom $3,107