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YQS to KOS: distance & flight time
St Thomas (St Thomas Municipal Airport) → Sihanoukville (Sihanoukville International Airport)
8,738 mi
14,063 km · 7,594 nm
17h 36m
estimated nonstop flight time
—
time difference · heading north
See live YQS→KOS fares Phone-only fares on this route — call free
Flight time details
8,738 miles nonstop takes roughly 17h 36m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YQS — St Thomas Municipal Airport · St Thomas, Canada
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 YQS
- YXU · London Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome41 mi away
- YYZ · Lester B. Pearson International Airport97 mi away
- YKF · Waterloo Airport60 mi away
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
Frequently asked questions
How far is YQS from KOS?
The flight distance from St Thomas (YQS) to Sihanoukville (KOS) is 8,738 miles (14,063 km, 7,594 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YQS to KOS?
A nonstop flight takes about 17h 36m 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 cheapest way to fly from YQS to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YQS–KOS that never appear on search engines, with no booking fees.