Need help booking?
Unpublished phone-only deals available
AIA to KLS: distance & flight time
Alliance (Alliance Municipal Airport) → Kelso (Southwest Washington Regional Airport)
1,033 mi
1,662 km · 898 nm
2h 43m
estimated nonstop flight time
-1h
time difference · heading northwest
See live AIA→KLS fares Phone-only fares on this route — call free
Flight time details
1,033 miles nonstop takes roughly 2h 43m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- AIA — Alliance Municipal Airport · Alliance, United States
- KLS — Southwest Washington Regional Airport · Kelso, 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 AIA
- BFF · Western Neb. Rgnl/William B. Heilig Airport43 mi away
- CDR · Chadron Municipal Airport56 mi away
- SNY · Sidney Municipal-Lloyd W Carr Field66 mi away
- STK · Sterling Municipal Airport102 mi away
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
Frequently asked questions
How far is AIA from KLS?
The flight distance from Alliance (AIA) to Kelso (KLS) is 1,033 miles (1,662 km, 898 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AIA to KLS?
A nonstop flight takes about 2h 43m 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 Alliance and Kelso?
Kelso is 1 hour behind Alliance.
What is the cheapest way to fly from AIA to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AIA–KLS that never appear on search engines, with no booking fees.