Need help booking?
Unpublished phone-only deals available
KLS to DEN: distance & flight time
Kelso (Southwest Washington Regional Airport) → Denver (Denver International Airport)
1,014 mi
1,632 km · 881 nm
2h 40m
estimated nonstop flight time
+1h
time difference · heading east
See live KLS→DEN fares Phone-only fares on this route — call free
Flight time details
1,014 miles nonstop takes roughly 2h 40m 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
- DEN — Denver International 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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is KLS from DEN?
The flight distance from Kelso (KLS) to Denver (DEN) is 1,014 miles (1,632 km, 881 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to DEN?
A nonstop flight takes about 2h 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 Denver?
Denver is 1 hour ahead of Kelso.
What is the cheapest way to fly from KLS to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–DEN that never appear on search engines, with no booking fees.