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POW to HLN: distance & flight time
Portoroz (Portoroz Airport) → Helena (Helena Regional Airport)
5,269 mi
8,479 km · 4,578 nm
10h 48m
estimated nonstop flight time
-8h
time difference · heading northwest
See live POW→HLN fares Phone-only fares on this route — call free
Flight time details
5,269 miles nonstop takes roughly 10h 48m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- POW — Portoroz Airport · Portoroz, Slovenia
- 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 POW
- TRS · Trieste–Friuli Venezia Giulia Airport25 mi away
- PUY · Pula Airport43 mi away
- RJK · Rijeka Airport50 mi away
- VCE · Venice Marco Polo Airport61 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 POW from HLN?
The flight distance from Portoroz (POW) to Helena (HLN) is 5,269 miles (8,479 km, 4,578 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from POW to HLN?
A nonstop flight takes about 10h 48m 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 Portoroz and Helena?
Helena is 8 hours behind Portoroz.
What is the cheapest way to fly from POW to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on POW–HLN that never appear on search engines, with no booking fees.