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SMF to KLS: distance & flight time
Sacramento (Sacramento International Airport) → Kelso (Southwest Washington Regional Airport)
517 mi
832 km · 449 nm
1h 35m
estimated nonstop flight time
Same time
time difference · heading north
See live SMF→KLS fares Phone-only fares on this route — call free
Flight time details
517 miles nonstop takes roughly 1h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SMF — Sacramento International Airport · Sacramento, 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 SMF
- MCC · Mc Clellan Airfield10 mi away
- SAC · Sacramento Executive Airport14 mi away
- MHR · Sacramento Mather Airport19 mi away
- MYV · Yuba County Airport28 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 SMF from KLS?
The flight distance from Sacramento (SMF) to Kelso (KLS) is 517 miles (832 km, 449 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMF to KLS?
A nonstop flight takes about 1h 35m 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 cheapest way to fly from SMF to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMF–KLS that never appear on search engines, with no booking fees.