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KLS to XSI: distance & flight time
Kelso (Southwest Washington Regional Airport) → South Indian Lake (South Indian Lake Airport)
1,258 mi
2,025 km · 1,094 nm
3h 12m
estimated nonstop flight time
+2h
time difference · heading northeast
See live KLS→XSI fares Phone-only fares on this route — call free
Flight time details
1,258 miles nonstop takes roughly 3h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- XSI — South Indian Lake Airport · South Indian 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 XSI
- YLR · Leaf Rapids Airport45 mi away
- YTH · Thompson Airport79 mi away
- YYL · Lynn Lake Airport82 mi away
- KES · Kelsey Airport105 mi away
Frequently asked questions
How far is KLS from XSI?
The flight distance from Kelso (KLS) to South Indian Lake (XSI) is 1,258 miles (2,025 km, 1,094 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to XSI?
A nonstop flight takes about 3h 12m 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 South Indian Lake?
South Indian Lake is 2 hours ahead of Kelso.
What is the cheapest way to fly from KLS to XSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–XSI that never appear on search engines, with no booking fees.