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INI to KLS: distance & flight time
Nis (Nis Airport) → Kelso (Southwest Washington Regional Airport)
5,890 mi
9,479 km · 5,118 nm
12h 1m
estimated nonstop flight time
-9h
time difference · heading northwest
See live INI→KLS fares Phone-only fares on this route — call free
Flight time details
5,890 miles nonstop takes roughly 12h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- INI — Nis Airport · Nis, Serbia
- 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 INI
- PRN · Priština International Airport67 mi away
- SOF · Sofia Airport90 mi away
- SKP · Skopje Alexander the Great Airport96 mi away
- CRA · Craiova Airport122 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 INI from KLS?
The flight distance from Nis (INI) to Kelso (KLS) is 5,890 miles (9,479 km, 5,118 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INI to KLS?
A nonstop flight takes about 12h 1m 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 Nis and Kelso?
Kelso is 9 hours behind Nis.
What is the cheapest way to fly from INI to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INI–KLS that never appear on search engines, with no booking fees.