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KLS to APA: distance & flight time
Kelso (Southwest Washington Regional Airport) → Denver (Centennial Airport)
1,017 mi
1,637 km · 884 nm
2h 41m
estimated nonstop flight time
+1h
time difference · heading east
See live KLS→APA fares Phone-only fares on this route — call free
Flight time details
1,017 miles nonstop takes roughly 2h 41m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- APA — Centennial Airport · Denver, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
Frequently asked questions
How far is KLS from APA?
The flight distance from Kelso (KLS) to Denver (APA) is 1,017 miles (1,637 km, 884 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to APA?
A nonstop flight takes about 2h 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 Denver?
Denver is 1 hour ahead of Kelso.
What is the cheapest way to fly from KLS to APA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–APA that never appear on search engines, with no booking fees.