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YHY to USM: distance & flight time
Hay River (Hay River / Merlyn Carter Airport) → Ko Samui (Samui Airport)
7,197 mi
11,582 km · 6,254 nm
14h 35m
estimated nonstop flight time
+13h
time difference · heading northwest
See live YHY→USM fares Phone-only fares on this route — call free
Flight time details
7,197 miles nonstop takes roughly 14h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- YHY — Hay River / Merlyn Carter Airport · Hay River, 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 YHY
- YFR · Fort Resolution Airport74 mi away
- YZF · Yellowknife Airport120 mi away
- YSM · Fort Smith Airport142 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 YHY from USM?
The flight distance from Hay River (YHY) to Ko Samui (USM) is 7,197 miles (11,582 km, 6,254 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YHY to USM?
A nonstop flight takes about 14h 35m 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 Hay River and Ko Samui?
Ko Samui is 13 hours ahead of Hay River.
What is the cheapest way to fly from YHY to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YHY–USM that never appear on search engines, with no booking fees.