Need help booking?
Unpublished phone-only deals available
ISA to ALN: distance & flight time
Mount Isa (Mount Isa Airport) → Alton/St Louis (St Louis Regional Airport)
9,256 mi
14,896 km · 8,043 nm
18h 37m
estimated nonstop flight time
—
time difference · heading northeast
See live ISA→ALN fares Phone-only fares on this route — call free
Flight time details
9,256 miles nonstop takes roughly 18h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- ALN — St Louis Regional Airport · Alton/St Louis, 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is ISA from ALN?
The flight distance from Mount Isa (ISA) to Alton/St Louis (ALN) is 9,256 miles (14,896 km, 8,043 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to ALN?
A nonstop flight takes about 18h 37m 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 cheapest way to fly from ISA to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–ALN that never appear on search engines, with no booking fees.