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SDY to KLS: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Kelso (Southwest Washington Regional Airport)
887 mi
1,428 km · 771 nm
2h 24m
estimated nonstop flight time
-1h
time difference · heading west
See live SDY→KLS fares Phone-only fares on this route — call free
Flight time details
887 miles nonstop takes roughly 2h 24m 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
- SDY — Sidney - Richland Regional Airport · Sidney, 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 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 SDY from KLS?
The flight distance from Sidney (SDY) to Kelso (KLS) is 887 miles (1,428 km, 771 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to KLS?
A nonstop flight takes about 2h 24m 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 Sidney and Kelso?
Kelso is 1 hour behind Sidney.
What is the cheapest way to fly from SDY to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–KLS that never appear on search engines, with no booking fees.