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SGO to HLN: distance & flight time
St George (St George Airport) → Helena (Helena Regional Airport)
8,026 mi
12,917 km · 6,975 nm
16h 12m
estimated nonstop flight time
-16h
time difference · heading northeast
See live SGO→HLN fares Phone-only fares on this route — call free
Flight time details
8,026 miles nonstop takes roughly 16h 12m 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
- SGO — St George Airport · St George, Australia
- HLN — Helena Regional Airport · Helena, 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Frequently asked questions
How far is SGO from HLN?
The flight distance from St George (SGO) to Helena (HLN) is 8,026 miles (12,917 km, 6,975 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SGO to HLN?
A nonstop flight takes about 16h 12m 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 Helena?
Helena is 16 hours behind St George.
What is the cheapest way to fly from SGO to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SGO–HLN that never appear on search engines, with no booking fees.