Skyscanner

Cheap Flights from Hong Kong Intl (HKG) to Siem Reap Angkor (SAI)

Travelers and cabin class

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

Book the best Siem Reap Angkor fare with no extra fees

Flight deals from Hong Kong Intl to Siem Reap Angkor

Looking for a cheap last-minute deal or the best round-trip flight from Hong Kong Intl to Siem Reap Angkor? Find the lowest prices on one-way and round-trip tickets right here.
Siem Reap.$115 per passenger.Departing Mon, May 26.One-way flight with HK Express.Outbound indirect flight with HK Express, departing from Hong Kong Intl on Mon, May 26, arriving in Siem Reap Angkor.Price includes taxes and charges.From $115, select.
Siem Reap.$117 per passenger.Departing Mon, Jun 23.One-way flight with HK Express.Outbound indirect flight with HK Express, departing from Hong Kong Intl on Mon, Jun 23, arriving in Siem Reap Angkor.Price includes taxes and charges.From $117, select.
Siem Reap.$124 per passenger.Departing Mon, Sep 1.One-way flight with HK Express.Outbound indirect flight with HK Express, departing from Hong Kong Intl on Mon, Sep 1, arriving in Siem Reap Angkor.Price includes taxes and charges.From $124, select.
Siem Reap.$133 per passenger.Departing Sun, Aug 3.One-way flight with HK Express.Outbound indirect flight with HK Express, departing from Hong Kong Intl on Sun, Aug 3, arriving in Siem Reap Angkor.Price includes taxes and charges.From $133, select.
Siem Reap.$147 per passenger.Departing Sun, Oct 5.One-way flight with Thai LionAir.Outbound indirect flight with Thai LionAir, departing from Hong Kong Intl on Sun, Oct 5, arriving in Siem Reap Angkor.Price includes taxes and charges.From $147, select.
Siem Reap.$152 per passenger.Departing Fri, Jul 11.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Hong Kong Intl on Fri, Jul 11, arriving in Siem Reap Angkor.Price includes taxes and charges.From $152, select.
Siem Reap.$162 per passenger.Departing Fri, Dec 5.One-way flight with HK Express.Outbound indirect flight with HK Express, departing from Hong Kong Intl on Fri, Dec 5, arriving in Siem Reap Angkor.Price includes taxes and charges.From $162, select.
Siem Reap.$162 per passenger.Departing Wed, Nov 5.One-way flight with HK Express.Outbound indirect flight with HK Express, departing from Hong Kong Intl on Wed, Nov 5, arriving in Siem Reap Angkor.Price includes taxes and charges.From $162, 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 May.
May
from $115
Jun
from $117
Jul
from $152
Aug
from $133
Sep
from $124
Oct
from $147
Nov
from $162
Dec
from $162
Jan
from $198
Feb
from $206
Mar
from $198
Apr
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 found$115
Cheapest month to flyMay

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

The best price we found for a round-trip flight from Hong Kong Intl to Siem Reap Angkor is $247. 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 $247.
There are no flights flying from Hong Kong Intl to Siem Reap Angkor, as of May 2025.
The cheapest month to fly from Hong Kong Intl to Siem Reap Angkor is usually May 2025.
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 Friday, October 3, 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.

Traveling 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)

  • $115 is the lowest price for a one-way Hong Kong International Airport to Siem Reap-Ankor International Airport flight. Return flights start from $247. 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 20 miles from central Hong Kong. If you're ride-sharing, catching a cab or driving from the center, 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 30 miles from the center 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 72ºF and 100ºF.

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

Explore more of Cambodia

  • You've done Siem Reap, now it's time to explore other parts of Cambodia. Journey around 140 miles 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 190 miles 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.