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TWF to KLS: distance & flight time
Twin Falls (Joslin Field Magic Valley Regional Airport) → Kelso (Southwest Washington Regional Airport)
485 mi
781 km · 422 nm
1h 31m
estimated nonstop flight time
-1h
time difference · heading northwest
See live TWF→KLS fares Phone-only fares on this route — call free
Flight time details
485 miles nonstop takes roughly 1h 31m 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
- TWF — Joslin Field Magic Valley Regional Airport · Twin Falls, 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 TWF
- BYI · Burley Municipal Airport37 mi away
- SUN · Friedman Memorial Airport71 mi away
- MUO · Mountain Home Air Force Base80 mi away
- PIH · Pocatello Regional Airport101 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 TWF from KLS?
The flight distance from Twin Falls (TWF) to Kelso (KLS) is 485 miles (781 km, 422 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TWF to KLS?
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 Twin Falls and Kelso?
Kelso is 1 hour behind Twin Falls.
What is the cheapest way to fly from TWF to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TWF–KLS that never appear on search engines, with no booking fees.