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KOS to HKG: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Hong Kong (Hong Kong International Airport)
1,058 mi
1,702 km · 919 nm
2h 46m
estimated nonstop flight time
+1h
time difference · heading northeast
See live KOS→HKG fares Phone-only fares on this route — call free
Flight time details
1,058 miles nonstop takes roughly 2h 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- HKG — Hong Kong International Airport · Hong Kong, Hong Kong
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near HKG
- HHP · Shun Tak Heliport15 mi away
- MFM · Macau International Airport23 mi away
- SZX · Shenzhen Bao'an International Airport24 mi away
- ZUH · Zhuhai Jinwan Airport40 mi away
Frequently asked questions
How far is KOS from HKG?
The flight distance from Sihanoukville (KOS) to Hong Kong (HKG) is 1,058 miles (1,702 km, 919 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to HKG?
A nonstop flight takes about 2h 46m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Sihanoukville and Hong Kong?
Hong Kong is 1 hour ahead of Sihanoukville.
What is the cheapest way to fly from KOS to HKG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–HKG that never appear on search engines, with no booking fees.