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KLS to WYS: distance & flight time
Kelso (Southwest Washington Regional Airport) → West Yellowstone (Yellowstone Airport)
579 mi
932 km · 503 nm
1h 44m
estimated nonstop flight time
+1h
time difference · heading east
See live KLS→WYS fares Phone-only fares on this route — call free
Flight time details
579 miles nonstop takes roughly 1h 44m 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
- KLS — Southwest Washington Regional Airport · Kelso, United States
- WYS — Yellowstone Airport · West Yellowstone, 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 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
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
Frequently asked questions
How far is KLS from WYS?
The flight distance from Kelso (KLS) to West Yellowstone (WYS) is 579 miles (932 km, 503 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to WYS?
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 Kelso and West Yellowstone?
West Yellowstone is 1 hour ahead of Kelso.
What is the cheapest way to fly from KLS to WYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–WYS that never appear on search engines, with no booking fees.