Need help booking?
Unpublished phone-only deals available
ACF to HLN: distance & flight time
Brisbane (Brisbane Archerfield Airport) → Helena (Helena Regional Airport)
7,802 mi
12,556 km · 6,780 nm
15h 46m
estimated nonstop flight time
-16h
time difference · heading northeast
See live ACF→HLN fares Phone-only fares on this route — call free
Flight time details
7,802 miles nonstop takes roughly 15h 46m 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
- ACF — Brisbane Archerfield Airport · Brisbane, 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 ACF
- BNE · Brisbane International Airport14 mi away
- OOL · Gold Coast Airport51 mi away
- CUD · Caloundra Airport54 mi away
- MCY · Sunshine Coast Airport67 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 ACF from HLN?
The flight distance from Brisbane (ACF) to Helena (HLN) 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 ACF to HLN?
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 Brisbane and Helena?
Helena is 16 hours behind Brisbane.
What is the cheapest way to fly from ACF to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACF–HLN that never appear on search engines, with no booking fees.