Need help booking?
Unpublished phone-only deals available
GRF to CTB: distance & flight time
Fort Lewis (Gray Army Air Field) → Cutbank (Cut Bank International Airport)
484 mi
780 km · 421 nm
1h 31m
estimated nonstop flight time
+1h
time difference · heading east
See live GRF→CTB fares Phone-only fares on this route — call free
Flight time details
484 miles nonstop takes roughly 1h 31m gate to gate, flying east. 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
- CTB — Cut Bank International Airport · Cutbank, 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 CTB
- YQL · Lethbridge County Airport73 mi away
- FCA · Glacier Park International Airport89 mi away
- GTF · Great Falls International Airport91 mi away
- WPC · Pincher Creek Airport97 mi away
Frequently asked questions
How far is GRF from CTB?
The flight distance from Fort Lewis (GRF) to Cutbank (CTB) is 484 miles (780 km, 421 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to CTB?
A nonstop flight takes about 1h 31m 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 Cutbank?
Cutbank is 1 hour ahead of Fort Lewis.
What is the cheapest way to fly from GRF to CTB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–CTB that never appear on search engines, with no booking fees.