Cheap flights from Sihanoukville to Hong Kong

One-way fares from $256 · KOS → HKG · prices found by travellers in the last 48 hours

Compare all dates Hong Kong → Sihanoukville
Cheapest fare
$256

AirAsia · Sun, Jan 24

Cheapest month
January

from $256

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 55m

1,730 km

Get a price alert

We'll email you when Sihanoukville → Hong Kong drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $256. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Sihanoukville to Hong Kong

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. January 2027 Cheapest $256

Cheapest dates in January 2027

The lowest fares we've seen for each day, cheapest first.

AirAsia
Depart13:30 Sun, Jan 24KOS → HKG 5h 55m · 1 stop
$256one way, per person
View deal
See every date in January 2027 →

Plan the rest of your trip to Hong Kong

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Hong KongCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Hong KongTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Hong KongPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Hong KongCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for Hong KongMobile data from the moment you land, by Airalo Get eSIM →

About flights from Sihanoukville to Hong Kong

Sihanoukville (KOS) and Hong Kong (HKG) are about 1,730 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 55m. Over the next few months, one-way fares start from $256, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Sihanoukville to Hong Kong?

The cheapest one-way fare we've seen recently is $256 with AirAsia, departing Sunday, January 24, 2027.

What is the cheapest month to fly from Sihanoukville to Hong Kong?

January 2027 currently has the lowest fares, from $256 one way.

Are there direct flights from Sihanoukville to Hong Kong?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Sihanoukville to Hong Kong?

The quickest journey we've seen takes about 5h 55m. Sihanoukville and Hong Kong are around 1,730 km apart.

Which airlines fly from Sihanoukville to Hong Kong?

Recent fares on this route were with AirAsia.

More cheap flights from Sihanoukville

Compare flights to Hong Kong from other cities →