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KZC to USM: distance & flight time
Kompong Chnang (Kampong Chhnang Airport) → Ko Samui (Samui Airport)
358 mi
576 km · 311 nm
1h 25m
estimated nonstop flight time
Same time
time difference · heading southwest
See live KZC→USM fares Phone-only fares on this route — call free
Flight time details
358 miles nonstop takes roughly 1h 25m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- KZC — Kampong Chhnang Airport · Kompong Chnang, Cambodia
- USM — Samui Airport · Ko Samui, Thailand
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 KZC
- PNH · Phnom Penh International Airport52 mi away
- REP · Siem Reap International Airport95 mi away
- KTI · Kratie Airport102 mi away
- BBM · Battambang Airport107 mi away
Near USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Frequently asked questions
How far is KZC from USM?
The flight distance from Kompong Chnang (KZC) to Ko Samui (USM) is 358 miles (576 km, 311 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KZC to USM?
A nonstop flight takes about 1h 25m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from KZC to USM?
Nonstop service on KZC–USM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 25m nonstop estimate.
What is the cheapest way to fly from KZC to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KZC–USM that never appear on search engines, with no booking fees.
Why are some KZC to USM fares phone-only?
Consolidator contracts let us sell certain KZC–USM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.