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YZH to KLS: distance & flight time
Slave Lake (Slave Lake Airport) → Kelso (Southwest Washington Regional Airport)
726 mi
1,168 km · 631 nm
2h 3m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YZH→KLS fares Phone-only fares on this route — call free
Flight time details
726 miles nonstop takes roughly 2h 3m gate to gate, flying southwest. 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
- YZH — Slave Lake Airport · Slave Lake, Canada
- 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 YZH
- YZU · Whitecourt Airport89 mi away
- YPE · Peace River Airport122 mi away
- YXD · Edmonton City Centre (Blatchford Field) Airport129 mi away
- YET · Edson Airport136 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 YZH from KLS?
The flight distance from Slave Lake (YZH) to Kelso (KLS) is 726 miles (1,168 km, 631 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YZH to KLS?
A nonstop flight takes about 2h 3m 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 Slave Lake and Kelso?
Kelso is 1 hour behind Slave Lake.
What is the cheapest way to fly from YZH to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YZH–KLS that never appear on search engines, with no booking fees.