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GLS to ISA: distance & flight time
Galveston (Scholes International At Galveston Airport) → Mount Isa (Mount Isa Airport)
9,010 mi
14,501 km · 7,830 nm
18h 8m
estimated nonstop flight time
+15h
time difference · heading west
See live GLS→ISA fares Phone-only fares on this route — call free
Flight time details
9,010 miles nonstop takes roughly 18h 8m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- GLS — Scholes International At Galveston Airport · Galveston, 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 GLS
- IAH · George Bush Intercontinental Houston Airport57 mi away
- EFD · Ellington Airport30 mi away
- HOU · William P Hobby Airport36 mi away
- LJN · Texas Gulf Coast Regional Airport38 mi away
Near ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 mi away
Frequently asked questions
How far is GLS from ISA?
The flight distance from Galveston (GLS) to Mount Isa (ISA) is 9,010 miles (14,501 km, 7,830 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GLS to ISA?
A nonstop flight takes about 18h 8m 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 Galveston and Mount Isa?
Mount Isa is 15 hours ahead of Galveston.
What is the cheapest way to fly from GLS to ISA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GLS–ISA that never appear on search engines, with no booking fees.