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SSN to KLS: distance & flight time
Seoul East (Seoul Air Base (K-16)) → Kelso (Southwest Washington Regional Airport)
5,218 mi
8,397 km · 4,534 nm
10h 42m
estimated nonstop flight time
-16h
time difference · heading northeast
See live SSN→KLS fares Phone-only fares on this route — call free
Flight time details
5,218 miles nonstop takes roughly 10h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
- 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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 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 SSN from KLS?
The flight distance from Seoul East (SSN) to Kelso (KLS) is 5,218 miles (8,397 km, 4,534 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SSN to KLS?
A nonstop flight takes about 10h 42m 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 Seoul East and Kelso?
Kelso is 16 hours behind Seoul East.
What is the cheapest way to fly from SSN to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SSN–KLS that never appear on search engines, with no booking fees.