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KLS to ISM: distance & flight time
Kelso (Southwest Washington Regional Airport) → Kissimmee (Kissimmee Gateway Airport)
2,554 mi
4,110 km · 2,219 nm
5h 28m
estimated nonstop flight time
+3h
time difference · heading east
See live KLS→ISM fares Phone-only fares on this route — call free
Flight time details
2,554 miles nonstop takes roughly 5h 28m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 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
Frequently asked questions
How far is KLS from ISM?
The flight distance from Kelso (KLS) to Kissimmee (ISM) 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 KLS to ISM?
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 Kelso and Kissimmee?
Kissimmee is 3 hours ahead of Kelso.
What is the cheapest way to fly from KLS to ISM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–ISM that never appear on search engines, with no booking fees.