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URT to USM: distance & flight time
Surat Thani (Surat Thani Airport) → Ko Samui (Samui Airport)
69 mi
112 km · 60 nm
39m
estimated nonstop flight time
Same time
time difference · heading northeast
See live URT→USM fares Phone-only fares on this route — call free
Flight time details
69 miles nonstop takes roughly 39m 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
- URT — Surat Thani Airport · Surat Thani, 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 URT
- UNN · Ranong Airport58 mi away
- USM · Samui Airport69 mi away
- NST · Nakhon Si Thammarat Airport69 mi away
- KBV · Krabi Airport72 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 URT from USM?
The flight distance from Surat Thani (URT) to Ko Samui (USM) is 69 miles (112 km, 60 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from URT to USM?
A nonstop flight takes about 39m 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 URT to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on URT–USM that never appear on search engines, with no booking fees.