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USM to XSI: distance & flight time
Ko Samui (Samui Airport) → South Indian Lake (South Indian Lake Airport)
7,727 mi
12,436 km · 6,715 nm
15h 37m
estimated nonstop flight time
-12h
time difference · heading north
See live USM→XSI fares Phone-only fares on this route — call free
Flight time details
7,727 miles nonstop takes roughly 15h 37m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- XSI — South Indian Lake Airport · South Indian Lake, Canada
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near XSI
- YLR · Leaf Rapids Airport45 mi away
- YTH · Thompson Airport79 mi away
- YYL · Lynn Lake Airport82 mi away
- KES · Kelsey Airport105 mi away
Frequently asked questions
How far is USM from XSI?
The flight distance from Ko Samui (USM) to South Indian Lake (XSI) is 7,727 miles (12,436 km, 6,715 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to XSI?
A nonstop flight takes about 15h 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 Ko Samui and South Indian Lake?
South Indian Lake is 12 hours behind Ko Samui.
What is the cheapest way to fly from USM to XSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–XSI that never appear on search engines, with no booking fees.