Need help booking?
Unpublished phone-only deals available
KLS to BWH: distance & flight time
Kelso (Southwest Washington Regional Airport) → Butterworth (Butterworth Airport)
7,994 mi
12,865 km · 6,947 nm
16h 8m
estimated nonstop flight time
+15h
time difference · heading northwest
See live KLS→BWH fares Phone-only fares on this route — call free
Flight time details
7,994 miles nonstop takes roughly 16h 8m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- BWH — Butterworth Airport · Butterworth, Malaysia
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 BWH
- PEN · Penang International Airport14 mi away
- AOR · Sultan Abdul Halim Airport50 mi away
- LGK · Langkawi International Airport75 mi away
- IPH · Sultan Azlan Shah Airport79 mi away
Frequently asked questions
How far is KLS from BWH?
The flight distance from Kelso (KLS) to Butterworth (BWH) is 7,994 miles (12,865 km, 6,947 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to BWH?
A nonstop flight takes about 16h 8m 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 Butterworth?
Butterworth is 15 hours ahead of Kelso.
What is the cheapest way to fly from KLS to BWH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–BWH that never appear on search engines, with no booking fees.