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ALS to GRF: distance & flight time
Alamosa (San Luis Valley Regional Bergman Field) → Fort Lewis (Gray Army Air Field)
1,080 mi
1,738 km · 938 nm
2h 49m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ALS→GRF fares Phone-only fares on this route — call free
Flight time details
1,080 miles nonstop takes roughly 2h 49m gate to gate, flying northwest. 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
- ALS — San Luis Valley Regional Bergman Field · Alamosa, 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 ALS
- TSM · Taos Regional Airport68 mi away
- RTN · Raton Municipal-Crews Field89 mi away
- PUB · Pueblo Memorial Airport95 mi away
- GUC · Gunnison Crested Butte Regional Airport96 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 ALS from GRF?
The flight distance from Alamosa (ALS) to Fort Lewis (GRF) is 1,080 miles (1,738 km, 938 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALS to GRF?
A nonstop flight takes about 2h 49m 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 ALS to GRF?
Nonstop service on ALS–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 2h 49m nonstop estimate.
What is the time difference between Alamosa and Fort Lewis?
Fort Lewis is 1 hour behind Alamosa.
What is the cheapest way to fly from ALS to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALS–GRF that never appear on search engines, with no booking fees.
Why are some ALS to GRF fares phone-only?
Consolidator contracts let us sell certain ALS–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.