Need help booking?
Unpublished phone-only deals available
ISA to YQS: distance & flight time
Mount Isa (Mount Isa Airport) → St Thomas (St Thomas Municipal Airport)
9,643 mi
15,519 km · 8,380 nm
19h 22m
estimated nonstop flight time
—
time difference · heading northeast
See live ISA→YQS fares Phone-only fares on this route — call free
Flight time details
9,643 miles nonstop takes roughly 19h 22m 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
- YQS — St Thomas Municipal Airport · St Thomas, Canada
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 YQS
- YXU · London Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome41 mi away
- YYZ · Lester B. Pearson International Airport97 mi away
- YKF · Waterloo Airport60 mi away
Frequently asked questions
How far is ISA from YQS?
The flight distance from Mount Isa (ISA) to St Thomas (YQS) is 9,643 miles (15,519 km, 8,380 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to YQS?
A nonstop flight takes about 19h 22m 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 YQS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–YQS that never appear on search engines, with no booking fees.