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ALG to HLN: distance & flight time
Algier (Houari Boumediene Airport) → Helena (Helena Regional Airport)
5,423 mi
8,727 km · 4,712 nm
11h 6m
estimated nonstop flight time
-7h
time difference · heading northwest
See live ALG→HLN fares Phone-only fares on this route — call free
Flight time details
5,423 miles nonstop takes roughly 11h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- ALG — Houari Boumediene Airport · Algier, Algeria
- 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 ALG
- QLD · Blida Airport26 mi away
- BJA · Soummam Airport103 mi away
- BUJ · Bou Saada Airport109 mi away
- CFK · Ech Cheliff Airport110 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 ALG from HLN?
The flight distance from Algier (ALG) to Helena (HLN) is 5,423 miles (8,727 km, 4,712 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALG to HLN?
A nonstop flight takes about 11h 6m 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 Algier and Helena?
Helena is 7 hours behind Algier.
What is the cheapest way to fly from ALG to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALG–HLN that never appear on search engines, with no booking fees.