Need help booking?
Unpublished phone-only deals available
OOL to HLN: distance & flight time
Coolangatta (Gold Coast Airport) → Helena (Helena Regional Airport)
7,807 mi
12,564 km · 6,784 nm
15h 46m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OOL→HLN fares Phone-only fares on this route — call free
Flight time details
7,807 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
- OOL — Gold Coast Airport · Coolangatta, 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 OOL
- BNK · Ballina Byron Gateway Airport46 mi away
- LSY · Lismore Airport48 mi away
- ACF · Brisbane Archerfield Airport51 mi away
- BNE · Brisbane International Airport59 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 OOL from HLN?
The flight distance from Coolangatta (OOL) to Helena (HLN) is 7,807 miles (12,564 km, 6,784 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OOL 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 Coolangatta and Helena?
Helena is 16 hours behind Coolangatta.
What is the cheapest way to fly from OOL to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OOL–HLN that never appear on search engines, with no booking fees.