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ISM to KLS: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Kelso (Southwest Washington Regional Airport)
2,554 mi
4,110 km · 2,219 nm
5h 28m
estimated nonstop flight time
-3h
time difference · heading northwest
See live ISM→KLS fares Phone-only fares on this route — call free
Flight time details
2,554 miles nonstop takes roughly 5h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 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 ISM from KLS?
The flight distance from Kissimmee (ISM) to Kelso (KLS) is 2,554 miles (4,110 km, 2,219 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to KLS?
A nonstop flight takes about 5h 28m 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 Kissimmee and Kelso?
Kelso is 3 hours behind Kissimmee.
What is the cheapest way to fly from ISM to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–KLS that never appear on search engines, with no booking fees.