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YSL to KOS: distance & flight time
St Leonard (St Leonard Airport) → Sihanoukville (Sihanoukville International Airport)
8,413 mi
13,539 km · 7,311 nm
16h 58m
estimated nonstop flight time
—
time difference · heading north
See live YSL→KOS fares Phone-only fares on this route — call free
Flight time details
8,413 miles nonstop takes roughly 16h 58m 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
- YSL — St Leonard Airport · St Leonard, 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 YSL
- CAR · Caribou Municipal Airport22 mi away
- WFK · Northern Aroostook Regional Airport24 mi away
- PQI · Northern Maine Regional Airport at Presque Isle34 mi away
- HUL · Houlton International Airport71 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 YSL from KOS?
The flight distance from St Leonard (YSL) to Sihanoukville (KOS) is 8,413 miles (13,539 km, 7,311 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to KOS?
A nonstop flight takes about 16h 58m 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 YSL to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–KOS that never appear on search engines, with no booking fees.