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KLS to IST: distance & flight time
Kelso (Southwest Washington Regional Airport) → Istanbul (Istanbul Airport)
6,151 mi
9,899 km · 5,345 nm
12h 32m
estimated nonstop flight time
+10h
time difference · heading north
See live KLS→IST 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 gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- IST — Istanbul Airport · Istanbul, Turkey
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 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
Frequently asked questions
How far is KLS from IST?
The flight distance from Kelso (KLS) to Istanbul (IST) 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 KLS to IST?
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 Kelso and Istanbul?
Istanbul is 10 hours ahead of Kelso.
What is the cheapest way to fly from KLS to IST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–IST that never appear on search engines, with no booking fees.