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KLS to ISA: distance & flight time
Kelso (Southwest Washington Regional Airport) → Mount Isa (Mount Isa Airport)
7,593 mi
12,220 km · 6,598 nm
15h 21m
estimated nonstop flight time
+17h
time difference · heading west
See live KLS→ISA fares Phone-only fares on this route — call free
Flight time details
7,593 miles nonstop takes roughly 15h 21m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- ISA — Mount Isa Airport · Mount Isa, Australia
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 KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Near ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 mi away
Frequently asked questions
How far is KLS from ISA?
The flight distance from Kelso (KLS) to Mount Isa (ISA) is 7,593 miles (12,220 km, 6,598 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to ISA?
A nonstop flight takes about 15h 21m 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 Kelso and Mount Isa?
Mount Isa is 17 hours ahead of Kelso.
What is the cheapest way to fly from KLS to ISA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–ISA that never appear on search engines, with no booking fees.