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OLS to HLN: distance & flight time
Nogales (Nogales International Airport) → Helena (Helena Regional Airport)
1,051 mi
1,692 km · 913 nm
2h 45m
estimated nonstop flight time
+1h
time difference · heading north
See live OLS→HLN fares Phone-only fares on this route — call free
Flight time details
1,051 miles nonstop takes roughly 2h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- OLS — Nogales International Airport · Nogales, United States
- 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 OLS
- NOG · Nogales International Airport15 mi away
- FHU · Sierra Vista Municipal Libby Army Air Field32 mi away
- TUS · Tucson International Airport49 mi away
- DMA · Davis Monthan Air Force Base52 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 OLS from HLN?
The flight distance from Nogales (OLS) to Helena (HLN) is 1,051 miles (1,692 km, 913 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLS to HLN?
A nonstop flight takes about 2h 45m 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 Nogales and Helena?
Helena is 1 hour ahead of Nogales.
What is the cheapest way to fly from OLS to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLS–HLN that never appear on search engines, with no booking fees.