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NST to KOS: distance & flight time
Nakhon Si Thammarat (Nakhon Si Thammarat Airport) → Sihanoukville (Sihanoukville International Airport)
288 mi
464 km · 251 nm
1h 14m
estimated nonstop flight time
Same time
time difference · heading northeast
See live NST→KOS fares Phone-only fares on this route — call free
Flight time details
288 miles nonstop takes roughly 1h 14m gate to gate, flying northeast. 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
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, 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 NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 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 NST from KOS?
The flight distance from Nakhon Si Thammarat (NST) to Sihanoukville (KOS) is 288 miles (464 km, 251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NST to KOS?
A nonstop flight takes about 1h 14m 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 NST to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NST–KOS that never appear on search engines, with no booking fees.