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SUB to USM: distance & flight time
Surabaya (Juanda International Airport) → Ko Samui (Samui Airport)
1,461 mi
2,352 km · 1,270 nm
3h 39m
estimated nonstop flight time
Same time
time difference · heading northwest
See live SUB→USM fares Phone-only fares on this route — call free
Flight time details
1,461 miles nonstop takes roughly 3h 39m gate to gate, flying northwest. 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
- SUB — Juanda International Airport · Surabaya, 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 SUB
- MLG · Abdul Rachman Saleh Airport38 mi away
- SUP · Trunojoyo Airport80 mi away
- BWX · Blimbingsari Airport124 mi away
- SOC · Adi Sumarmo Wiryokusumo Airport139 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 SUB from USM?
The flight distance from Surabaya (SUB) to Ko Samui (USM) is 1,461 miles (2,352 km, 1,270 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUB to USM?
A nonstop flight takes about 3h 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 SUB to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUB–USM that never appear on search engines, with no booking fees.