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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XSI–KLS that never appear on search engines, with no booking fees.