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CTB to KLS: distance & flight time
Cutbank (Cut Bank International Airport) → Kelso (Southwest Washington Regional Airport)
521 mi
839 km · 453 nm
1h 36m
estimated nonstop flight time
-1h
time difference · heading west
See live CTB→KLS fares Phone-only fares on this route — call free
Flight time details
521 miles nonstop takes roughly 1h 36m 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
- CTB — Cut Bank International Airport · Cutbank, United States
- KLS — Southwest Washington Regional Airport · Kelso, 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 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
Near KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Frequently asked questions
How far is CTB from KLS?
The flight distance from Cutbank (CTB) to Kelso (KLS) is 521 miles (839 km, 453 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTB to KLS?
A nonstop flight takes about 1h 36m 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 Cutbank and Kelso?
Kelso is 1 hour behind Cutbank.
What is the cheapest way to fly from CTB to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTB–KLS that never appear on search engines, with no booking fees.