Need help booking?
Unpublished phone-only deals available
WYS to GRF: distance & flight time
West Yellowstone (Yellowstone Airport) → Fort Lewis (Gray Army Air Field)
575 mi
925 km · 500 nm
1h 43m
estimated nonstop flight time
-1h
time difference · heading west
See live WYS→GRF fares Phone-only fares on this route — call free
Flight time details
575 miles nonstop takes roughly 1h 43m 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
- WYS — Yellowstone Airport · West Yellowstone, 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 WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional Airport94 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 WYS from GRF?
The flight distance from West Yellowstone (WYS) to Fort Lewis (GRF) is 575 miles (925 km, 500 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WYS to GRF?
A nonstop flight takes about 1h 43m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from WYS to GRF?
Nonstop service on WYS–GRF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 43m nonstop estimate.
What is the time difference between West Yellowstone and Fort Lewis?
Fort Lewis is 1 hour behind West Yellowstone.
What is the cheapest way to fly from WYS to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WYS–GRF that never appear on search engines, with no booking fees.
Why are some WYS to GRF fares phone-only?
Consolidator contracts let us sell certain WYS–GRF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.