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SUS to KLS: distance & flight time
Null (Spirit of St Louis Airport) → Kelso (Southwest Washington Regional Airport)
1,711 mi
2,753 km · 1,487 nm
3h 49m
estimated nonstop flight time
-2h
time difference · heading northwest
See live SUS→KLS fares Phone-only fares on this route — call free
Flight time details
1,711 miles nonstop takes roughly 3h 49m gate to gate, flying northwest. 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
- SUS — Spirit of St Louis Airport · Null, United States
- 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 SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 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 SUS from KLS?
The flight distance from Null (SUS) to Kelso (KLS) is 1,711 miles (2,753 km, 1,487 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUS to KLS?
A nonstop flight takes about 3h 49m 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 Null and Kelso?
Kelso is 2 hours behind Null.
What is the cheapest way to fly from SUS to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–KLS that never appear on search engines, with no booking fees.