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KLS to KDT: distance & flight time
Kelso (Southwest Washington Regional Airport) → Nakhon Pathom (Kamphaeng Saen Airport)
7,498 mi
12,066 km · 6,515 nm
15h 10m
estimated nonstop flight time
+14h
time difference · heading northwest
See live KLS→KDT fares Phone-only fares on this route — call free
Flight time details
7,498 miles nonstop takes roughly 15h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- KDT — Kamphaeng Saen Airport · Nakhon Pathom, Thailand
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 KDT
- DMK · Don Mueang International Airport48 mi away
- BKK · Suvarnabhumi Airport63 mi away
- TKH · Takhli Airport85 mi away
- HHQ · Hua Hin Airport101 mi away
Frequently asked questions
How far is KLS from KDT?
The flight distance from Kelso (KLS) to Nakhon Pathom (KDT) is 7,498 miles (12,066 km, 6,515 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to KDT?
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 Kelso and Nakhon Pathom?
Nakhon Pathom is 14 hours ahead of Kelso.
What is the cheapest way to fly from KLS to KDT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–KDT that never appear on search engines, with no booking fees.