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KLS to YZH: distance & flight time
Kelso (Southwest Washington Regional Airport) → Slave Lake (Slave Lake Airport)
726 mi
1,168 km · 631 nm
2h 3m
estimated nonstop flight time
+1h
time difference · heading northeast
See live KLS→YZH fares Phone-only fares on this route — call free
Flight time details
726 miles nonstop takes roughly 2h 3m gate to gate, flying northeast. 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
- YZH — Slave Lake Airport · Slave Lake, Canada
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 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
Frequently asked questions
How far is KLS from YZH?
The flight distance from Kelso (KLS) to Slave Lake (YZH) is 726 miles (1,168 km, 631 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to YZH?
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 Kelso and Slave Lake?
Slave Lake is 1 hour ahead of Kelso.
What is the cheapest way to fly from KLS to YZH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–YZH that never appear on search engines, with no booking fees.