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FNL to ISA: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Mount Isa (Mount Isa Airport)
8,455 mi
13,608 km · 7,348 nm
17h 3m
estimated nonstop flight time
+16h
time difference · heading west
See live FNL→ISA fares Phone-only fares on this route — call free
Flight time details
8,455 miles nonstop takes roughly 17h 3m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Near ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 mi away
Frequently asked questions
How far is FNL from ISA?
The flight distance from Fort Collins (FNL) to Mount Isa (ISA) is 8,455 miles (13,608 km, 7,348 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to ISA?
A nonstop flight takes about 17h 3m 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 Fort Collins and Mount Isa?
Mount Isa is 16 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to ISA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–ISA that never appear on search engines, with no booking fees.