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BKK to USM: distance & flight time
Bangkok (Suvarnabhumi Airport) → Ko Samui (Samui Airport)
289 mi
466 km · 251 nm
1h 14m
estimated nonstop flight time
Same time
time difference · heading south
See live BKK→USM fares Phone-only fares on this route — call free
Flight time details
289 miles nonstop takes roughly 1h 14m 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
- BKK — Suvarnabhumi Airport · Bangkok, 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 BKK
- DMK · Don Mueang International Airport19 mi away
- KDT · Kamphaeng Saen Airport63 mi away
- UTP · U-Tapao International Airport71 mi away
- HHQ · Hua Hin Airport90 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 BKK from USM?
The flight distance from Bangkok (BKK) to Ko Samui (USM) is 289 miles (466 km, 251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BKK to USM?
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 BKK to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BKK–USM that never appear on search engines, with no booking fees.