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KLS to SEP: distance & flight time
Kelso (Southwest Washington Regional Airport) → Stephenville (Stephenville Clark Regional Airport)
1,625 mi
2,615 km · 1,412 nm
3h 39m
estimated nonstop flight time
+2h
time difference · heading southeast
See live KLS→SEP fares Phone-only fares on this route — call free
Flight time details
1,625 miles nonstop takes roughly 3h 39m 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
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is KLS from SEP?
The flight distance from Kelso (KLS) to Stephenville (SEP) is 1,625 miles (2,615 km, 1,412 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to SEP?
A nonstop flight takes about 3h 39m 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 Stephenville?
Stephenville is 2 hours ahead of Kelso.
What is the cheapest way to fly from KLS to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–SEP that never appear on search engines, with no booking fees.