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BKK to KLS: distance & flight time
Bangkok (Suvarnabhumi Airport) → Kelso (Southwest Washington Regional Airport)
7,495 mi
12,062 km · 6,513 nm
15h 10m
estimated nonstop flight time
-14h
time difference · heading northeast
See live BKK→KLS fares Phone-only fares on this route — call free
Flight time details
7,495 miles nonstop takes roughly 15h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- BKK — Suvarnabhumi Airport · Bangkok, Thailand
- 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 BKK
- DMK · Don Mueang International Airport19 mi away
- KDT · Kamphaeng Saen Airport63 mi away
- UTP · U-Tapao International Airport71 mi away
- HHQ · Hua Hin Airport90 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 BKK from KLS?
The flight distance from Bangkok (BKK) to Kelso (KLS) is 7,495 miles (12,062 km, 6,513 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BKK to KLS?
A nonstop flight takes about 15h 10m 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 Bangkok and Kelso?
Kelso is 14 hours behind Bangkok.
What is the cheapest way to fly from BKK to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BKK–KLS that never appear on search engines, with no booking fees.