Need help booking?
Unpublished phone-only deals available
ZBY to KLS: distance & flight time
Sainyabuli (Sayaboury Airport) → Kelso (Southwest Washington Regional Airport)
7,131 mi
11,475 km · 6,196 nm
14h 27m
estimated nonstop flight time
—
time difference · heading northeast
See live ZBY→KLS fares Phone-only fares on this route — call free
Flight time details
7,131 miles nonstop takes roughly 14h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ZBY — Sayaboury Airport · Sainyabuli, Laos
- 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 ZBY
- LPQ · Luang Phabang International Airport54 mi away
- NNT · Nan Airport68 mi away
- XKH · Xieng Khouang Airport96 mi away
- ODY · Oudomsay Airport101 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 ZBY from KLS?
The flight distance from Sainyabuli (ZBY) to Kelso (KLS) is 7,131 miles (11,475 km, 6,196 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZBY to KLS?
A nonstop flight takes about 14h 27m 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 cheapest way to fly from ZBY to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZBY–KLS that never appear on search engines, with no booking fees.