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KLS to COU: distance & flight time
Kelso (Southwest Washington Regional Airport) → Columbia (Columbia Regional Airport)
1,631 mi
2,625 km · 1,417 nm
3h 40m
estimated nonstop flight time
+2h
time difference · heading east
See live KLS→COU fares Phone-only fares on this route — call free
Flight time details
1,631 miles nonstop takes roughly 3h 40m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- COU — Columbia Regional Airport · Columbia, 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 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 COU
- JEF · Jefferson City Memorial Airport16 mi away
- AIZ · Lee C Fine Memorial Airport53 mi away
- SZL · Whiteman Air Force Base72 mi away
- TBN · Waynesville-St. Robert Regional Forney field75 mi away
Frequently asked questions
How far is KLS from COU?
The flight distance from Kelso (KLS) to Columbia (COU) is 1,631 miles (2,625 km, 1,417 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to COU?
A nonstop flight takes about 3h 40m 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 Columbia?
Columbia is 2 hours ahead of Kelso.
What is the cheapest way to fly from KLS to COU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–COU that never appear on search engines, with no booking fees.