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SYD to GTF: distance & flight time
Sydney (Sydney Kingsford Smith International Airport) → Great Falls (Great Falls International Airport)
8,220 mi
13,228 km · 7,143 nm
16h 35m
estimated nonstop flight time
-16h
time difference · heading northeast
See live SYD→GTF fares Phone-only fares on this route — call free
Flight time details
8,220 miles nonstop takes roughly 16h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- SYD — Sydney Kingsford Smith International Airport · Sydney, Australia
- GTF — Great Falls International Airport · Great Falls, 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 SYD
- BWU · Sydney Bankstown Airport11 mi away
- CDU · Camden Airport29 mi away
- XRH · RAAF Base Richmond33 mi away
- WOL · Wollongong Airport48 mi away
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
Frequently asked questions
How far is SYD from GTF?
The flight distance from Sydney (SYD) to Great Falls (GTF) is 8,220 miles (13,228 km, 7,143 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYD to GTF?
A nonstop flight takes about 16h 35m 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 Sydney and Great Falls?
Great Falls is 16 hours behind Sydney.
What is the cheapest way to fly from SYD to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYD–GTF that never appear on search engines, with no booking fees.