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GTF to LAM: distance & flight time
Great Falls (Great Falls International Airport) → Los Alamos (Los Alamos Airport)
843 mi
1,357 km · 733 nm
2h 18m
estimated nonstop flight time
Same time
time difference · heading south
See live GTF→LAM fares Phone-only fares on this route — call free
Flight time details
843 miles nonstop takes roughly 2h 18m gate to gate, flying south. 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
- GTF — Great Falls International Airport · Great Falls, United States
- LAM — Los Alamos Airport · Los Alamos, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
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
Frequently asked questions
How far is GTF from LAM?
The flight distance from Great Falls (GTF) to Los Alamos (LAM) is 843 miles (1,357 km, 733 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to LAM?
A nonstop flight takes about 2h 18m 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 GTF to LAM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–LAM that never appear on search engines, with no booking fees.