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YDT to USM: distance & flight time
Boundary Bay (Boundary Bay Airport) → Ko Samui (Samui Airport)
7,619 mi
12,262 km · 6,621 nm
15h 24m
estimated nonstop flight time
+14h
time difference · heading northwest
See live YDT→USM fares Phone-only fares on this route — call free
Flight time details
7,619 miles nonstop takes roughly 15h 24m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- YDT — Boundary Bay Airport · Boundary Bay, 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 YDT
- YVR · Vancouver International Airport11 mi away
- CXH · Vancouver Harbour Water Aerodrome16 mi away
- YLY · Langley Airport17 mi away
- YBW · Bedwell Harbour Seaplane Base25 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 YDT from USM?
The flight distance from Boundary Bay (YDT) to Ko Samui (USM) is 7,619 miles (12,262 km, 6,621 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YDT to USM?
A nonstop flight takes about 15h 24m 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 Boundary Bay and Ko Samui?
Ko Samui is 14 hours ahead of Boundary Bay.
What is the cheapest way to fly from YDT to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YDT–USM that never appear on search engines, with no booking fees.