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SJY to KLS: distance & flight time
Seinäjoki / Ilmajoki (Seinäjoki Airport) → Kelso (Southwest Washington Regional Airport)
4,685 mi
7,540 km · 4,071 nm
9h 39m
estimated nonstop flight time
-10h
time difference · heading northwest
See live SJY→KLS fares Phone-only fares on this route — call free
Flight time details
4,685 miles nonstop takes roughly 9h 39m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- SJY — Seinäjoki Airport · Seinäjoki / Ilmajoki, Finland
- 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 SJY
- KHJ · Kauhajoki Airport21 mi away
- KAU · Kauhava Airport31 mi away
- VAA · Vaasa Airport42 mi away
- KOK · Kokkola-Pietarsaari Airport72 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 SJY from KLS?
The flight distance from Seinäjoki / Ilmajoki (SJY) to Kelso (KLS) is 4,685 miles (7,540 km, 4,071 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SJY to KLS?
A nonstop flight takes about 9h 39m 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 Seinäjoki / Ilmajoki and Kelso?
Kelso is 10 hours behind Seinäjoki / Ilmajoki.
What is the cheapest way to fly from SJY to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SJY–KLS that never appear on search engines, with no booking fees.