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219 € Cheap Flights from Hong Kong Intl to Siem Reap–Angkor

Compare Hong Kong Intl to Siem Reap–Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

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Flight deals from Hong Kong Intl to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Hong Kong Intl to Siem Reap–Angkor ? Find the lowest prices on one-way and return tickets right here.
Siem Reap.219 € per passenger.Departing Mon, 1 Sep, returning Mon, 8 Sep.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Hong Kong Intl on Mon, 1 Sep, arriving in Siem Reap–Angkor .Inbound indirect flight with Vietnam Airlines, departs from Siem Reap–Angkor on Mon, 8 Sep, arriving in Hong Kong Intl.Price includes taxes and charges.From 219 €, select.
Siem Reap.234 € per passenger.Departing Wed, 20 Aug, returning Tue, 26 Aug.Return flight with HK Express and VietJet Air.Outbound indirect flight with HK Express, departs from Hong Kong Intl on Wed, 20 Aug, arriving in Siem Reap–Angkor .Inbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Tue, 26 Aug, arriving in Hong Kong Intl.Price includes taxes and charges.From 234 €, select.
Siem Reap.259 € per passenger.Departing Tue, 25 Nov, returning Sat, 29 Nov.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Hong Kong Intl on Tue, 25 Nov, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sat, 29 Nov, arriving in Hong Kong Intl.Price includes taxes and charges.From 259 €, select.
Siem Reap.269 € per passenger.Departing Sat, 6 Dec, returning Mon, 8 Dec.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Hong Kong Intl on Sat, 6 Dec, arriving in Siem Reap–Angkor .Inbound indirect flight with Vietnam Airlines, departs from Siem Reap–Angkor on Mon, 8 Dec, arriving in Hong Kong Intl.Price includes taxes and charges.From 269 €, select.
Siem Reap.272 € per passenger.Departing Wed, 8 Oct, returning Mon, 27 Oct.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Hong Kong Intl on Wed, 8 Oct, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Mon, 27 Oct, arriving in Hong Kong Intl.Price includes taxes and charges.From 272 €, select.
Siem Reap.275 € per passenger.Departing Mon, 26 Jan, returning Wed, 28 Jan.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Hong Kong Intl on Mon, 26 Jan, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 28 Jan, arriving in Hong Kong Intl.Price includes taxes and charges.From 275 €, select.
Siem Reap.277 € per passenger.Departing Fri, 28 Nov, returning Tue, 16 Dec.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Hong Kong Intl on Fri, 28 Nov, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Tue, 16 Dec, arriving in Hong Kong Intl.Price includes taxes and charges.From 277 €, select.
Siem Reap.282 € per passenger.Departing Thu, 28 Aug, returning Mon, 1 Sep.Return flight with HK Express and Thai AirAsia.Outbound indirect flight with HK Express, departs from Hong Kong Intl on Thu, 28 Aug, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Mon, 1 Sep, arriving in Hong Kong Intl.Price includes taxes and charges.From 282 €, select.

Find the cheapest month to fly from Hong Kong Intl to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hong Kong Intl to Siem Reap–Angkor flights are currently cheapest in September.
Aug
from 234 €
Sep
from 219 €
Oct
from 272 €
Nov
from 259 €
Dec
from 269 €
Jan
from 275 €
Feb
from 410 €
Mar
from 310 €
Apr
from 366 €
May
Find prices
Jun
Find prices
Jul
Find prices

Hong Kong Intl to Siem Reap–Angkor : Alternative routes

Compare routes from Hong Kong Intl to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap–Angkor .

Hong Kong to Siem Reap: Flight information

The things to know before you go.
Cheapest flight found219 €
Cheapest month to flySeptember

Finding cheap flights from Hong Kong Intl to Siem Reap–Angkor : Frequently asked questions

The best price we found for a return flight from Hong Kong Intl to Siem Reap–Angkor is 219 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Hong Kong Intl to Siem Reap–Angkor . But we found flights with one or more stops from 219 €.
As of August 2025, there are no flights flying from Hong Kong Intl to Siem Reap–Angkor .
The cheapest month to fly from Hong Kong Intl to Siem Reap–Angkor is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hong Kong Intl Airport to Siem Reap–Angkor Airport on Monday, 1 September 2025.
No airlines currently offer direct flights between Hong Kong Intl Airport and Siem Reap–Angkor Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap–Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vietnam Airlines offers the cheapest flight tickets to Siem Reap–Angkor .

Travelling from Hong Kong International Airport (HKG) to Siem Reap-Ankor International Airport (SAI): what you need to know

  • The timezone in Siem Reap is UTC+7, which is one hour behind Hong Kong.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to board your HKG to SAI flight.

  • You can expect longer lines in popular months such as April. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

  • Think about adding a stopover when booking your ticket from Hong Kong International Airport to Siem Reap-Ankor International Airport. Simply uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here's where you can stop between HKG and SAI:

    • Da Nang International Airport

    • Suvarnabhumi Airport

    • Tan Son Nhat International Airport

How to find the cheapest flights from Hong Kong International Airport (HKG) to Siem Reap-Ankor International Airport (SAI)

  • 105 € is the lowest price for a one-way Hong Kong International Airport to Siem Reap-Ankor International Airport flight. Return flights start from 219 €. These fares may change based on demand and availability.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from HKG to SAI if you book ahead. Airlines often have some terrific early bird deals.

  • If you're flexible with your travel dates, try using the 'Whole month' search function. It'll find the lowest price across the month when searching for your flight from Hong Kong International Airport to Siem Reap-Ankor International Airport.

  • Snapping up cheap flights from HKG to SAI is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Hong Kong International Airport to Siem Reap-Ankor International Airport.

Handy information about Hong Kong International Airport (HKG)

  • HKG is located at 1 Cheong Hong Rd.

  • 73.04% of flights taking off from Hong Kong International Airport touch down at their destination on schedule.

  • Hong Kong International Airport is about 32 kilometres from central Hong Kong. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 30 minutes or so to arrive, depending on the traffic.

  • You can expect a trip time of around 45 minutes on public transport.

  • Have an early flight from Hong Kong International Airport to Siem Reap-Ankor International Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels near HKG:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • After your Hong Kong International Airport to Siem Reap-Ankor International Airport flight has touched down, unwind at a nearby hotel. Chansor Community Homestay 18 is a great option that's not too far from SAI.

Getting from Siem Reap-Ankor International Airport (SAI) to central Siem Reap

  • Siem Reap-Ankor International Airport is roughly 48 kilometres from the centre of Siem Reap. Driving there takes about 1 hour.

When to fly to Siem Reap-Ankor International Airport (SAI)

  • It's time to plan your dates for your flight from Hong Kong International Airport to Siem Reap-Ankor International Airport. April is the most popular month to head to Siem Reap. If you're after a more low-key vibe, go in April.

  • Book your flight from Hong Kong International Airport to Siem Reap-Ankor International Airport for March if you want to explore Siem Reap during its warmest month. You can expect temperatures of between 22ºC (72ºF) and 38ºC (100ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from HKG to SAI in January. Average temperatures are between 18ºC (64ºF) and 33ºC (91ºF) then.

Explore more of Cambodia

  • You've done Siem Reap, now it's time to explore other parts of Cambodia. Journey around 225 kilometres south-east to Phnom Penh to tick off its top sights. From Royal Palace to Tuol Sleng Genocide Museum and Wat Phnom, you'll have a packed itinerary ahead.

  • If you're looking to explore another side of Cambodia, consider Sihanoukville, roughly 306 kilometres south of Siem Reap. Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple are the start of reasons to visit.

More travel options

Plan the rest of your trip from Hong Kong to Siem Reap

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.