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KOS to YST: distance & flight time
Sihanoukville (Sihanoukville International Airport) → St. Theresa Point (St. Theresa Point Airport)
7,855 mi
12,642 km · 6,826 nm
15h 52m
estimated nonstop flight time
-12h
time difference · heading north
See live KOS→YST fares Phone-only fares on this route — call free
Flight time details
7,855 miles nonstop takes roughly 15h 52m 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
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- YST — St. Theresa Point Airport · St. Theresa Point, 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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Frequently asked questions
How far is KOS from YST?
The flight distance from Sihanoukville (KOS) to St. Theresa Point (YST) is 7,855 miles (12,642 km, 6,826 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to YST?
A nonstop flight takes about 15h 52m 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 Sihanoukville and St. Theresa Point?
St. Theresa Point is 12 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to YST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–YST that never appear on search engines, with no booking fees.