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OKM to KLS: distance & flight time
Okmulgee (Okmulgee Regional Airport) → Kelso (Southwest Washington Regional Airport)
1,571 mi
2,529 km · 1,365 nm
3h 33m
estimated nonstop flight time
-2h
time difference · heading northwest
See live OKM→KLS fares Phone-only fares on this route — call free
Flight time details
1,571 miles nonstop takes roughly 3h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OKM — Okmulgee Regional Airport · Okmulgee, 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 OKM
- RVS · Richard Lloyd Jones Jr Airport26 mi away
- TUL · Tulsa International Airport37 mi away
- CUH · Cushing Municipal Airport50 mi away
- MLC · Mc Alester Regional Airport55 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 OKM from KLS?
The flight distance from Okmulgee (OKM) to Kelso (KLS) is 1,571 miles (2,529 km, 1,365 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKM to KLS?
A nonstop flight takes about 3h 33m 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 Okmulgee and Kelso?
Kelso is 2 hours behind Okmulgee.
What is the cheapest way to fly from OKM to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKM–KLS that never appear on search engines, with no booking fees.