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YST to KLS: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Kelso (Southwest Washington Regional Airport)
1,344 mi
2,163 km · 1,168 nm
3h 23m
estimated nonstop flight time
-2h
time difference · heading west
See live YST→KLS fares Phone-only fares on this route — call free
Flight time details
1,344 miles nonstop takes roughly 3h 23m gate to gate, flying west. 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
- YST — St. Theresa Point Airport · St. Theresa Point, 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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 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 YST from KLS?
The flight distance from St. Theresa Point (YST) to Kelso (KLS) is 1,344 miles (2,163 km, 1,168 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to KLS?
A nonstop flight takes about 3h 23m 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 St. Theresa Point and Kelso?
Kelso is 2 hours behind St. Theresa Point.
What is the cheapest way to fly from YST to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–KLS that never appear on search engines, with no booking fees.