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GRF to LGU: distance & flight time
Fort Lewis (Gray Army Air Field) → Logan (Logan-Cache Airport)
642 mi
1,034 km · 558 nm
1h 52m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GRF→LGU fares Phone-only fares on this route — call free
Flight time details
642 miles nonstop takes roughly 1h 52m gate to gate, flying southeast. 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
- GRF — Gray Army Air Field · Fort Lewis, 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 GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 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 GRF from LGU?
The flight distance from Fort Lewis (GRF) to Logan (LGU) is 642 miles (1,034 km, 558 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to LGU?
A nonstop flight takes about 1h 52m 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 Fort Lewis and Logan?
Logan is 1 hour ahead of Fort Lewis.
What is the cheapest way to fly from GRF to LGU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–LGU that never appear on search engines, with no booking fees.