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YUL to KOS: distance & flight time
Montreal (Montreal / Pierre Elliott Trudeau International Airport) → Sihanoukville (Sihanoukville International Airport)
8,561 mi
13,777 km · 7,439 nm
17h 15m
estimated nonstop flight time
+11h
time difference · heading north
See live YUL→KOS fares Phone-only fares on this route — call free
Flight time details
8,561 miles nonstop takes roughly 17h 15m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- YUL — Montreal / Pierre Elliott Trudeau International Airport · Montreal, 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 YUL
- YHU · Montréal / Saint-Hubert Airport16 mi away
- YMX · Montreal International (Mirabel) Airport20 mi away
- YJN · St Jean Airport25 mi away
- YCC · Cornwall Regional Airport48 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 YUL from KOS?
The flight distance from Montreal (YUL) to Sihanoukville (KOS) is 8,561 miles (13,777 km, 7,439 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YUL to KOS?
A nonstop flight takes about 17h 15m 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 Montreal and Sihanoukville?
Sihanoukville is 11 hours ahead of Montreal.
What is the cheapest way to fly from YUL to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YUL–KOS that never appear on search engines, with no booking fees.