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BWH to KLS: distance & flight time
Butterworth (Butterworth Airport) → Kelso (Southwest Washington Regional Airport)
7,994 mi
12,865 km · 6,947 nm
16h 8m
estimated nonstop flight time
-15h
time difference · heading northeast
See live BWH→KLS fares Phone-only fares on this route — call free
Flight time details
7,994 miles nonstop takes roughly 16h 8m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- BWH — Butterworth Airport · Butterworth, Malaysia
- 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 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
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 BWH from KLS?
The flight distance from Butterworth (BWH) to Kelso (KLS) 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 BWH to KLS?
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 Butterworth and Kelso?
Kelso is 15 hours behind Butterworth.
What is the cheapest way to fly from BWH to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWH–KLS that never appear on search engines, with no booking fees.