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ISA to REP: distance & flight time
Mount Isa (Mount Isa Airport) → Siem-reap (Siem Reap International Airport)
3,378 mi
5,436 km · 2,935 nm
7h 5m
estimated nonstop flight time
-3h
time difference · heading northwest
See live ISA→REP fares Phone-only fares on this route — call free
Flight time details
3,378 miles nonstop takes roughly 7h 5m 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
- REP — Siem Reap International Airport · Siem-reap, 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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is ISA from REP?
The flight distance from Mount Isa (ISA) to Siem-reap (REP) is 3,378 miles (5,436 km, 2,935 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to REP?
A nonstop flight takes about 7h 5m 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 Siem-reap?
Siem-reap is 3 hours behind Mount Isa.
What is the cheapest way to fly from ISA to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–REP that never appear on search engines, with no booking fees.