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ISA to DUC: distance & flight time
Mount Isa (Mount Isa Airport) → Duncan (Halliburton Field)
8,839 mi
14,226 km · 7,681 nm
17h 48m
estimated nonstop flight time
-15h
time difference · heading northeast
See live ISA→DUC fares Phone-only fares on this route — call free
Flight time details
8,839 miles nonstop takes roughly 17h 48m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- DUC — Halliburton Field · Duncan, United States
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 DUC
Frequently asked questions
How far is ISA from DUC?
The flight distance from Mount Isa (ISA) to Duncan (DUC) is 8,839 miles (14,226 km, 7,681 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to DUC?
A nonstop flight takes about 17h 48m 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 Duncan?
Duncan is 15 hours behind Mount Isa.
What is the cheapest way to fly from ISA to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–DUC that never appear on search engines, with no booking fees.