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KLS to ASE: distance & flight time
Kelso (Southwest Washington Regional Airport) → Aspen (Aspen-Pitkin Co/Sardy Field)
941 mi
1,514 km · 818 nm
2h 31m
estimated nonstop flight time
+1h
time difference · heading southeast
See live KLS→ASE fares Phone-only fares on this route — call free
Flight time details
941 miles nonstop takes roughly 2h 31m gate to gate, flying southeast. 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
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 mi away
Frequently asked questions
How far is KLS from ASE?
The flight distance from Kelso (KLS) to Aspen (ASE) is 941 miles (1,514 km, 818 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to ASE?
A nonstop flight takes about 2h 31m 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 Aspen?
Aspen is 1 hour ahead of Kelso.
What is the cheapest way to fly from KLS to ASE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–ASE that never appear on search engines, with no booking fees.