Need help booking?
Unpublished phone-only deals available
ISA to KOS: distance & flight time
Mount Isa (Mount Isa Airport) → Sihanoukville (Sihanoukville International Airport)
3,254 mi
5,237 km · 2,828 nm
6h 51m
estimated nonstop flight time
-3h
time difference · heading northwest
See live ISA→KOS fares Phone-only fares on this route — call free
Flight time details
3,254 miles nonstop takes roughly 6h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- 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 ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 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 ISA from KOS?
The flight distance from Mount Isa (ISA) to Sihanoukville (KOS) is 3,254 miles (5,237 km, 2,828 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to KOS?
A nonstop flight takes about 6h 51m 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 Mount Isa and Sihanoukville?
Sihanoukville is 3 hours behind Mount Isa.
What is the cheapest way to fly from ISA to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–KOS that never appear on search engines, with no booking fees.