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KLS to ILZ: distance & flight time
Kelso (Southwest Washington Regional Airport) → Žilina (Žilina Airport)
5,455 mi
8,779 km · 4,741 nm
11h 10m
estimated nonstop flight time
+9h
time difference · heading northeast
See live KLS→ILZ fares Phone-only fares on this route — call free
Flight time details
5,455 miles nonstop takes roughly 11h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- ILZ — Žilina Airport · Žilina, Slovakia
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 ILZ
- OSR · Ostrava Leos Janáček Airport39 mi away
- SLD · Sliač Airport47 mi away
- UHE · Kunovice Airport55 mi away
- PZY · Piešťany Airport55 mi away
Frequently asked questions
How far is KLS from ILZ?
The flight distance from Kelso (KLS) to Žilina (ILZ) is 5,455 miles (8,779 km, 4,741 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to ILZ?
A nonstop flight takes about 11h 10m 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 Žilina?
Žilina is 9 hours ahead of Kelso.
What is the cheapest way to fly from KLS to ILZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–ILZ that never appear on search engines, with no booking fees.