Need help booking?
Unpublished phone-only deals available
KLS to AAP: distance & flight time
Kelso (Southwest Washington Regional Airport) → Houston (Andrau Airpark)
1,855 mi
2,985 km · 1,612 nm
4h 6m
estimated nonstop flight time
+2h
time difference · heading southeast
See live KLS→AAP fares Phone-only fares on this route — call free
Flight time details
1,855 miles nonstop takes roughly 4h 6m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- AAP — Andrau Airpark · Houston, 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 AAP
- IAH · George Bush Intercontinental Houston Airport23 mi away
- SGR · Sugar Land Regional Airport8 mi away
- IWS · West Houston Airport8 mi away
- HOU · William P Hobby Airport19 mi away
Frequently asked questions
How far is KLS from AAP?
The flight distance from Kelso (KLS) to Houston (AAP) is 1,855 miles (2,985 km, 1,612 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to AAP?
A nonstop flight takes about 4h 6m 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 Houston?
Houston is 2 hours ahead of Kelso.
What is the cheapest way to fly from KLS to AAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–AAP that never appear on search engines, with no booking fees.