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IST to KLS: distance & flight time
Istanbul (Istanbul Airport) → Kelso (Southwest Washington Regional Airport)
6,151 mi
9,899 km · 5,345 nm
12h 32m
estimated nonstop flight time
-10h
time difference · heading north
See live IST→KLS fares Phone-only fares on this route — call free
Flight time details
6,151 miles nonstop takes roughly 12h 32m gate to gate, flying north. 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
- IST — Istanbul Airport · Istanbul, Turkey
- 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 IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 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 IST from KLS?
The flight distance from Istanbul (IST) to Kelso (KLS) is 6,151 miles (9,899 km, 5,345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to KLS?
A nonstop flight takes about 12h 32m 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 Istanbul and Kelso?
Kelso is 10 hours behind Istanbul.
What is the cheapest way to fly from IST to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–KLS that never appear on search engines, with no booking fees.