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YCH to USM: distance & flight time
Chatham (Miramichi Airport) → Ko Samui (Samui Airport)
8,429 mi
13,564 km · 7,324 nm
17h
estimated nonstop flight time
+10h
time difference · heading north
See live YCH→USM fares Phone-only fares on this route — call free
Flight time details
8,429 miles nonstop takes roughly 17h gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- YCH — Miramichi Airport · Chatham, 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 YCH
- ZBF · Bathurst Airport45 mi away
- YQM · Greater Moncton International Airport72 mi away
- YVB · Bonaventure Airport73 mi away
- YCL · Charlo Airport79 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 YCH from USM?
The flight distance from Chatham (YCH) to Ko Samui (USM) is 8,429 miles (13,564 km, 7,324 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YCH to USM?
A nonstop flight takes about 17h 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 Chatham and Ko Samui?
Ko Samui is 10 hours ahead of Chatham.
What is the cheapest way to fly from YCH to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YCH–USM that never appear on search engines, with no booking fees.