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YSB to USM: distance & flight time
Sudbury (Sudbury Airport) → Ko Samui (Samui Airport)
8,555 mi
13,768 km · 7,434 nm
17h 15m
estimated nonstop flight time
+11h
time difference · heading north
See live YSB→USM fares Phone-only fares on this route — call free
Flight time details
8,555 miles nonstop takes roughly 17h 15m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- YSB — Sudbury Airport · Sudbury, Canada
- 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 YSB
- YYB · North Bay Jack Garland Airport68 mi away
- YEM · Manitoulin East Municipal Airport74 mi away
- YEL · Elliot Lake Municipal Airport86 mi away
- YXR · Earlton (Timiskaming Regional) Airport87 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 YSB from USM?
The flight distance from Sudbury (YSB) to Ko Samui (USM) is 8,555 miles (13,768 km, 7,434 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSB to USM?
A nonstop flight takes about 17h 15m 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 time difference between Sudbury and Ko Samui?
Ko Samui is 11 hours ahead of Sudbury.
What is the cheapest way to fly from YSB to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSB–USM that never appear on search engines, with no booking fees.