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ISA to YST: distance & flight time
Mount Isa (Mount Isa Airport) → St. Theresa Point (St. Theresa Point Airport)
8,799 mi
14,161 km · 7,646 nm
17h 43m
estimated nonstop flight time
-15h
time difference · heading northeast
See live ISA→YST fares Phone-only fares on this route — call free
Flight time details
8,799 miles nonstop takes roughly 17h 43m 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
- YST — St. Theresa Point Airport · St. Theresa Point, 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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Frequently asked questions
How far is ISA from YST?
The flight distance from Mount Isa (ISA) to St. Theresa Point (YST) is 8,799 miles (14,161 km, 7,646 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to YST?
A nonstop flight takes about 17h 43m 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 St. Theresa Point?
St. Theresa Point is 15 hours behind Mount Isa.
What is the cheapest way to fly from ISA to YST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–YST that never appear on search engines, with no booking fees.