Need help booking?
Unpublished phone-only deals available
KLS to AIA: distance & flight time
Kelso (Southwest Washington Regional Airport) → Alliance (Alliance Municipal Airport)
1,033 mi
1,662 km · 898 nm
2h 43m
estimated nonstop flight time
+1h
time difference · heading east
See live KLS→AIA fares Phone-only fares on this route — call free
Flight time details
1,033 miles nonstop takes roughly 2h 43m 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
- AIA — Alliance Municipal Airport · Alliance, 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 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
Frequently asked questions
How far is KLS from AIA?
The flight distance from Kelso (KLS) to Alliance (AIA) 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 KLS to AIA?
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 Kelso and Alliance?
Alliance is 1 hour ahead of Kelso.
What is the cheapest way to fly from KLS to AIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–AIA that never appear on search engines, with no booking fees.