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SPF to KLS: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Kelso (Southwest Washington Regional Airport)
934 mi
1,502 km · 811 nm
2h 30m
estimated nonstop flight time
-1h
time difference · heading west
See live SPF→KLS fares Phone-only fares on this route — call free
Flight time details
934 miles nonstop takes roughly 2h 30m gate to gate, flying west. 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 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 SPF from KLS?
The flight distance from Spearfish-South Dakota (SPF) to Kelso (KLS) is 934 miles (1,502 km, 811 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to KLS?
A nonstop flight takes about 2h 30m 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 Spearfish-South Dakota and Kelso?
Kelso is 1 hour behind Spearfish-South Dakota.
What is the cheapest way to fly from SPF to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–KLS that never appear on search engines, with no booking fees.