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ZTH to KLS: distance & flight time
Zakynthos (Zakynthos International Airport "Dionysios Solomos") → Kelso (Southwest Washington Regional Airport)
6,222 mi
10,013 km · 5,407 nm
12h 40m
estimated nonstop flight time
-10h
time difference · heading northwest
See live ZTH→KLS fares Phone-only fares on this route — call free
Flight time details
6,222 miles nonstop takes roughly 12h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- ZTH — Zakynthos International Airport "Dionysios Solomos" · Zakynthos, Greece
- 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 ZTH
- PYR · Andravida Air Base25 mi away
- EFL · Kefallinia Airport33 mi away
- GPA · Araxos Airport40 mi away
- AGQ · Agrinion Air Base64 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 ZTH from KLS?
The flight distance from Zakynthos (ZTH) to Kelso (KLS) is 6,222 miles (10,013 km, 5,407 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZTH to KLS?
A nonstop flight takes about 12h 40m 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 Zakynthos and Kelso?
Kelso is 10 hours behind Zakynthos.
What is the cheapest way to fly from ZTH to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZTH–KLS that never appear on search engines, with no booking fees.