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UBP to KLS: distance & flight time
Ubon Ratchathani (Ubon Ratchathani Airport) → Kelso (Southwest Washington Regional Airport)
7,259 mi
11,683 km · 6,308 nm
14h 42m
estimated nonstop flight time
-14h
time difference · heading northeast
See live UBP→KLS fares Phone-only fares on this route — call free
Flight time details
7,259 miles nonstop takes roughly 14h 42m 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
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, 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 UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin Airport95 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 UBP from KLS?
The flight distance from Ubon Ratchathani (UBP) to Kelso (KLS) is 7,259 miles (11,683 km, 6,308 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBP to KLS?
A nonstop flight takes about 14h 42m 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 Ubon Ratchathani and Kelso?
Kelso is 14 hours behind Ubon Ratchathani.
What is the cheapest way to fly from UBP to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBP–KLS that never appear on search engines, with no booking fees.