Need help booking?
Unpublished phone-only deals available
HLN to AVV: distance & flight time
Helena (Helena Regional Airport) → Avalon (Avalon Airport)
8,641 mi
13,907 km · 7,509 nm
17h 25m
estimated nonstop flight time
+16h
time difference · heading west
See live HLN→AVV fares Phone-only fares on this route — call free
Flight time details
8,641 miles nonstop takes roughly 17h 25m 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
- AVV — Avalon Airport · Avalon, 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 AVV
- GEX · Geelong Airport15 mi away
- MEB · Melbourne Essendon Airport32 mi away
- MEL · Melbourne International Airport32 mi away
- MBW · Melbourne Moorabbin Airport35 mi away
Frequently asked questions
How far is HLN from AVV?
The flight distance from Helena (HLN) to Avalon (AVV) is 8,641 miles (13,907 km, 7,509 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to AVV?
A nonstop flight takes about 17h 25m 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 Avalon?
Avalon is 16 hours ahead of Helena.
What is the cheapest way to fly from HLN to AVV?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–AVV that never appear on search engines, with no booking fees.