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NNT to USM: distance & flight time
Nan (Nan Airport) → Ko Samui (Samui Airport)
642 mi
1,033 km · 558 nm
1h 52m
estimated nonstop flight time
Same time
time difference · heading south
See live NNT→USM fares Phone-only fares on this route — call free
Flight time details
642 miles nonstop takes roughly 1h 52m gate to gate, flying south. 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
- NNT — Nan Airport · Nan, Thailand
- 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 NNT
- PRH · Phrae Airport62 mi away
- ZBY · Sayaboury Airport68 mi away
- LPT · Lampang Airport92 mi away
- CEI · Chiang Rai International Airport98 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 NNT from USM?
The flight distance from Nan (NNT) to Ko Samui (USM) is 642 miles (1,033 km, 558 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NNT to USM?
A nonstop flight takes about 1h 52m 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 NNT to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NNT–USM that never appear on search engines, with no booking fees.