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GTF to SGO: distance & flight time
Great Falls (Great Falls International Airport) → St George (St George Airport)
8,069 mi
12,985 km · 7,011 nm
16h 17m
estimated nonstop flight time
+16h
time difference · heading west
See live GTF→SGO fares Phone-only fares on this route — call free
Flight time details
8,069 miles nonstop takes roughly 16h 17m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- SGO — St George Airport · St George, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Near SGO
- DRN · Dirranbandi Airport44 mi away
- LHG · Lightning Ridge Airport104 mi away
- RMA · Roma Airport105 mi away
- GOO · Goondiwindi Airport110 mi away
Frequently asked questions
How far is GTF from SGO?
The flight distance from Great Falls (GTF) to St George (SGO) is 8,069 miles (12,985 km, 7,011 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to SGO?
A nonstop flight takes about 16h 17m 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 Great Falls and St George?
St George is 16 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to SGO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–SGO that never appear on search engines, with no booking fees.