Flights from Hong Kong to Sihanoukville from $626

Compare All HKG to KOS Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

1 of 1 flight

Airline	Schedule	Stops	Duration	Price
UO UO · 716	08:00 HKG 15:00 KOS	0 stop(s)	55h 0m	$626 Best	Book →

Airport Information

Key details about departure and arrival airports for this route

HKG

Hong Kong International Airport

City: Hong Kong
Country: HK
Type: Large Airport
Elevation: 28 ft

HKG Airport Guide →

KOS

Sihanouk International Airport

City: Preah Sihanouk
Country: KH
Type: Large Airport
Elevation: 33 ft

KOS Airport Guide →

Tips for Hong Kong to Sihanoukville Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book HKG–KOS flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $626, but prices as low as $626 are available.

✈ Direct vs Connecting

No direct flights currently listed. Consider flexible dates or nearby airports for better connections.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on HKG–KOS is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in Sihanoukville

Book accommodation at your destination — top-rated stays near KOS airport

SENNA SUNSHINE INTERNATONAL HOTEL

Sihanoukville, 3★

10.0 Check Price

Apartment @Prince Mall (2023)

Sihanoukville, 3★

10.0 Check Price

Try Palace Resort Sihanoukville

Sihanoukville, 5★

10.0 Check Price

Frequently Asked Questions

Everything you need to know about flying HKG to KOS

What is the cheapest flight from Hong Kong to Sihanoukville?

The cheapest flight from Hong Kong (HKG) to Sihanoukville (KOS) currently starts at $626 with UO. Prices are updated regularly and may vary by date and availability.

How many airlines fly from HKG to KOS?

We found 1 airline(s) operating on the HKG–KOS route, including UO.

Are there direct flights from Hong Kong to Sihanoukville?

No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.

What is the average flight price on this route?

The average flight price from Hong Kong to Sihanoukville is approximately $626. Prices range from $626 to $626 depending on airline, time, and class.

How long is the flight from HKG to KOS?

The average flight duration from Hong Kong to Sihanoukville is approximately 55 hours 0 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on HKG–KOS flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.