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KDT to KOS: distance & flight time
Nakhon Pathom (Kamphaeng Saen Airport) → Sihanoukville (Sihanoukville International Airport)
350 mi
563 km · 304 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading southeast
See live KDT→KOS fares Phone-only fares on this route — call free
Flight time details
350 miles nonstop takes roughly 1h 23m gate to gate, flying southeast. 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
- KDT — Kamphaeng Saen Airport · Nakhon Pathom, Thailand
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 KDT
- DMK · Don Mueang International Airport48 mi away
- BKK · Suvarnabhumi Airport63 mi away
- TKH · Takhli Airport85 mi away
- HHQ · Hua Hin Airport101 mi away
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
Frequently asked questions
How far is KDT from KOS?
The flight distance from Nakhon Pathom (KDT) to Sihanoukville (KOS) is 350 miles (563 km, 304 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KDT to KOS?
A nonstop flight takes about 1h 23m 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 cheapest way to fly from KDT to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KDT–KOS that never appear on search engines, with no booking fees.