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ZTH to HLN: distance & flight time
Zakynthos (Zakynthos International Airport "Dionysios Solomos") → Helena (Helena Regional Airport)
5,920 mi
9,527 km · 5,144 nm
12h 4m
estimated nonstop flight time
-9h
time difference · heading northwest
See live ZTH→HLN fares Phone-only fares on this route — call free
Flight time details
5,920 miles nonstop takes roughly 12h 4m 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
- ZTH — Zakynthos International Airport "Dionysios Solomos" · Zakynthos, 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 ZTH
- PYR · Andravida Air Base25 mi away
- EFL · Kefallinia Airport33 mi away
- GPA · Araxos Airport40 mi away
- AGQ · Agrinion Air Base64 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 ZTH from HLN?
The flight distance from Zakynthos (ZTH) to Helena (HLN) is 5,920 miles (9,527 km, 5,144 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZTH to HLN?
A nonstop flight takes about 12h 4m 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 Zakynthos and Helena?
Helena is 9 hours behind Zakynthos.
What is the cheapest way to fly from ZTH to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZTH–HLN that never appear on search engines, with no booking fees.