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YGX to USM: distance & flight time
Gillam (Gillam Airport) → Ko Samui (Samui Airport)
7,805 mi
12,561 km · 6,783 nm
15h 46m
estimated nonstop flight time
+12h
time difference · heading north
See live YGX→USM fares Phone-only fares on this route — call free
Flight time details
7,805 miles nonstop takes roughly 15h 46m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- YGX — Gillam Airport · Gillam, 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 YGX
- ILF · Ilford Airport40 mi away
- ZAC · York Landing Airport56 mi away
- KES · Kelsey Airport73 mi away
- YOH · Oxford House Airport101 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 YGX from USM?
The flight distance from Gillam (YGX) to Ko Samui (USM) is 7,805 miles (12,561 km, 6,783 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YGX to USM?
A nonstop flight takes about 15h 46m 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 Gillam and Ko Samui?
Ko Samui is 12 hours ahead of Gillam.
What is the cheapest way to fly from YGX to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YGX–USM that never appear on search engines, with no booking fees.