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KLS to CNX: distance & flight time
Kelso (Southwest Washington Regional Airport) → Chiang Mai (Chiang Mai International Airport)
7,247 mi
11,663 km · 6,298 nm
14h 41m
estimated nonstop flight time
+14h
time difference · heading northwest
See live KLS→CNX fares Phone-only fares on this route — call free
Flight time details
7,247 miles nonstop takes roughly 14h 41m 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
- CNX — Chiang Mai International Airport · Chiang Mai, 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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Frequently asked questions
How far is KLS from CNX?
The flight distance from Kelso (KLS) to Chiang Mai (CNX) is 7,247 miles (11,663 km, 6,298 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to CNX?
A nonstop flight takes about 14h 41m 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 Chiang Mai?
Chiang Mai is 14 hours ahead of Kelso.
What is the cheapest way to fly from KLS to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–CNX that never appear on search engines, with no booking fees.