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WYS to KLS: distance & flight time
West Yellowstone (Yellowstone Airport) → Kelso (Southwest Washington Regional Airport)
579 mi
932 km · 503 nm
1h 44m
estimated nonstop flight time
-1h
time difference · heading west
See live WYS→KLS fares Phone-only fares on this route — call free
Flight time details
579 miles nonstop takes roughly 1h 44m 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
- WYS — Yellowstone Airport · West Yellowstone, 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 WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional Airport94 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 WYS from KLS?
The flight distance from West Yellowstone (WYS) to Kelso (KLS) is 579 miles (932 km, 503 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WYS to KLS?
A nonstop flight takes about 1h 44m 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 West Yellowstone and Kelso?
Kelso is 1 hour behind West Yellowstone.
What is the cheapest way to fly from WYS to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WYS–KLS that never appear on search engines, with no booking fees.