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HLN to ACF: distance & flight time
Helena (Helena Regional Airport) → Brisbane (Brisbane Archerfield Airport)
7,802 mi
12,556 km · 6,780 nm
15h 46m
estimated nonstop flight time
+16h
time difference · heading west
See live HLN→ACF fares Phone-only fares on this route — call free
Flight time details
7,802 miles nonstop takes roughly 15h 46m 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
- HLN — Helena Regional Airport · Helena, United States
- ACF — Brisbane Archerfield Airport · Brisbane, 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Near ACF
- BNE · Brisbane International Airport14 mi away
- OOL · Gold Coast Airport51 mi away
- CUD · Caloundra Airport54 mi away
- MCY · Sunshine Coast Airport67 mi away
Frequently asked questions
How far is HLN from ACF?
The flight distance from Helena (HLN) to Brisbane (ACF) is 7,802 miles (12,556 km, 6,780 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to ACF?
A nonstop flight takes about 15h 46m 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 Helena and Brisbane?
Brisbane is 16 hours ahead of Helena.
What is the cheapest way to fly from HLN to ACF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–ACF that never appear on search engines, with no booking fees.