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KNO to USM: distance & flight time
Medan (Kualanamu International Airport) → Ko Samui (Samui Airport)
416 mi
669 km · 361 nm
1h 22m
estimated nonstop flight time
Same time
time difference · heading north
See live KNO→USM fares Phone-only fares on this route — call free
Flight time details
416 miles nonstop takes roughly 1h 22m gate to gate, flying north. 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
- KNO — Kualanamu International Airport · Medan, Indonesia
- 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 KNO
- MES · Soewondo Air Force Base16 mi away
- DTB · Silangit Airport96 mi away
- PKG · Pulau Pangkor Airport122 mi away
- FLZ · Dr Ferdinand Lumban Tobing Airport144 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 KNO from USM?
The flight distance from Medan (KNO) to Ko Samui (USM) is 416 miles (669 km, 361 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KNO to USM?
A nonstop flight takes about 1h 22m 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 KNO to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KNO–USM that never appear on search engines, with no booking fees.