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SGO to FSI: distance & flight time
St George (St George Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
8,529 mi
13,726 km · 7,411 nm
17h 11m
estimated nonstop flight time
-15h
time difference · heading northeast
See live SGO→FSI fares Phone-only fares on this route — call free
Flight time details
8,529 miles nonstop takes roughly 17h 11m 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
- SGO — St George Airport · St George, Australia
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 SGO
- DRN · Dirranbandi Airport44 mi away
- LHG · Lightning Ridge Airport104 mi away
- RMA · Roma Airport105 mi away
- GOO · Goondiwindi Airport110 mi away
Near FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is SGO from FSI?
The flight distance from St George (SGO) to Fort Sill (FSI) is 8,529 miles (13,726 km, 7,411 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SGO to FSI?
A nonstop flight takes about 17h 11m 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 St George and Fort Sill?
Fort Sill is 15 hours behind St George.
What is the cheapest way to fly from SGO to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SGO–FSI that never appear on search engines, with no booking fees.