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YKZ to USM: distance & flight time
Toronto (Buttonville Municipal Airport) → Ko Samui (Samui Airport)
8,746 mi
14,076 km · 7,600 nm
17h 37m
estimated nonstop flight time
+11h
time difference · heading north
See live YKZ→USM fares Phone-only fares on this route — call free
Flight time details
8,746 miles nonstop takes roughly 17h 37m 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
- YKZ — Buttonville Municipal Airport · Toronto, 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 YKZ
- YYZ · Lester B. Pearson International Airport18 mi away
- YZD · Downsview Airport10 mi away
- YTZ · Billy Bishop Toronto City Centre Airport16 mi away
- YOO · Toronto/Oshawa Executive Airport24 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 YKZ from USM?
The flight distance from Toronto (YKZ) to Ko Samui (USM) is 8,746 miles (14,076 km, 7,600 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YKZ to USM?
A nonstop flight takes about 17h 37m 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 Toronto and Ko Samui?
Ko Samui is 11 hours ahead of Toronto.
What is the cheapest way to fly from YKZ to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YKZ–USM that never appear on search engines, with no booking fees.