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SMN to GRF: distance & flight time
Salmon (Lemhi County Airport) → Fort Lewis (Gray Army Air Field)
438 mi
705 km · 381 nm
1h 25m
estimated nonstop flight time
-1h
time difference · heading west
See live SMN→GRF fares Phone-only fares on this route — call free
Flight time details
438 miles nonstop takes roughly 1h 25m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SMN — Lemhi County Airport · Salmon, United States
- GRF — Gray Army Air Field · Fort Lewis, 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 SMN
- BTM · Bert Mooney Airport88 mi away
- MYL · McCall Municipal Airport110 mi away
- SUN · Friedman Memorial Airport114 mi away
- MSO · Missoula International Airport124 mi away
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
Frequently asked questions
How far is SMN from GRF?
The flight distance from Salmon (SMN) to Fort Lewis (GRF) is 438 miles (705 km, 381 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMN to GRF?
A nonstop flight takes about 1h 25m 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 Salmon and Fort Lewis?
Fort Lewis is 1 hour behind Salmon.
What is the cheapest way to fly from SMN to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMN–GRF that never appear on search engines, with no booking fees.