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GTF to LGU: distance & flight time
Great Falls (Great Falls International Airport) → Logan (Logan-Cache Airport)
394 mi
634 km · 342 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading south
See live GTF→LGU fares Phone-only fares on this route — call free
Flight time details
394 miles nonstop takes roughly 1h 30m 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
- LGU — Logan-Cache Airport · Logan, 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 LGU
- BMC · Brigham City Regional Airport20 mi away
- OGD · Ogden Hinckley Airport42 mi away
- HIF · Hill Air Force Base47 mi away
- EVW · Evanston-Uinta County Airport-Burns Field55 mi away
Frequently asked questions
How far is GTF from LGU?
The flight distance from Great Falls (GTF) to Logan (LGU) is 394 miles (634 km, 342 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to LGU?
A nonstop flight takes about 1h 30m 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 LGU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–LGU that never appear on search engines, with no booking fees.