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KLS to SLC: distance & flight time
Kelso (Southwest Washington Regional Airport) → Salt Lake City (Salt Lake City International Airport)
659 mi
1,061 km · 573 nm
1h 54m
estimated nonstop flight time
+1h
time difference · heading southeast
See live KLS→SLC fares Phone-only fares on this route — call free
Flight time details
659 miles nonstop takes roughly 1h 54m gate to gate, flying southeast. 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
- SLC — Salt Lake City International Airport · Salt Lake City, 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 SLC
- HIF · Hill Air Force Base23 mi away
- OGD · Ogden Hinckley Airport28 mi away
- PVU · Provo Municipal Airport42 mi away
- BMC · Brigham City Regional Airport53 mi away
Frequently asked questions
How far is KLS from SLC?
The flight distance from Kelso (KLS) to Salt Lake City (SLC) is 659 miles (1,061 km, 573 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to SLC?
A nonstop flight takes about 1h 54m 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 Salt Lake City?
Salt Lake City is 1 hour ahead of Kelso.
What is the cheapest way to fly from KLS to SLC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–SLC that never appear on search engines, with no booking fees.