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YBA to GRF: distance & flight time
Banff (Banff Airport) → Fort Lewis (Gray Army Air Field)
427 mi
687 km · 371 nm
1h 24m
estimated nonstop flight time
—
time difference · heading southwest
See live YBA→GRF fares Phone-only fares on this route — call free
Flight time details
427 miles nonstop takes roughly 1h 24m gate to gate, flying southwest. 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
- YBA — Banff Airport · Banff, Canada
- 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 YBA
- YYC · Calgary International Airport66 mi away
- YRM · Rocky Mountain House Airport89 mi away
- YQF · Red Deer Regional Airport98 mi away
- YXC · Cranbrook/Canadian Rockies International Airport111 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 YBA from GRF?
The flight distance from Banff (YBA) to Fort Lewis (GRF) is 427 miles (687 km, 371 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YBA to GRF?
A nonstop flight takes about 1h 24m 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 YBA to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YBA–GRF that never appear on search engines, with no booking fees.