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ATH to HLN: distance & flight time
Athens (Eleftherios Venizelos International Airport) → Helena (Helena Regional Airport)
5,991 mi
9,641 km · 5,206 nm
12h 13m
estimated nonstop flight time
-9h
time difference · heading northwest
See live ATH→HLN fares Phone-only fares on this route — call free
Flight time details
5,991 miles nonstop takes roughly 12h 13m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- ATH — Eleftherios Venizelos International Airport · Athens, Greece
- 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 ATH
- HEW · Athen Helenikon Airport12 mi away
- PKH · Porto Cheli Airport62 mi away
- JSY · Syros Airport65 mi away
- SKU · Skiros Airport77 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 ATH from HLN?
The flight distance from Athens (ATH) to Helena (HLN) is 5,991 miles (9,641 km, 5,206 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATH to HLN?
A nonstop flight takes about 12h 13m 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 Athens and Helena?
Helena is 9 hours behind Athens.
What is the cheapest way to fly from ATH to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATH–HLN that never appear on search engines, with no booking fees.