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Unpublished phone-only deals available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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–ZTH that never appear on search engines, with no booking fees.