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LAM to HLN: distance & flight time
Los Alamos (Los Alamos Airport) → Helena (Helena Regional Airport)
798 mi
1,284 km · 693 nm
2h 12m
estimated nonstop flight time
Same time
time difference · heading north
See live LAM→HLN fares Phone-only fares on this route — call free
Flight time details
798 miles nonstop takes roughly 2h 12m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- LAM — Los Alamos Airport · Los Alamos, 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 LAM
- SAF · Santa Fe Municipal Airport21 mi away
- TSM · Taos Regional Airport52 mi away
- ABQ · Albuquerque International Sunport61 mi away
- LVS · Las Vegas Municipal Airport65 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 LAM from HLN?
The flight distance from Los Alamos (LAM) to Helena (HLN) is 798 miles (1,284 km, 693 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAM to HLN?
A nonstop flight takes about 2h 12m 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 cheapest way to fly from LAM to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAM–HLN that never appear on search engines, with no booking fees.