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SYD to KLS: distance & flight time
Sydney (Sydney Kingsford Smith International Airport) → Kelso (Southwest Washington Regional Airport)
7,683 mi
12,365 km · 6,677 nm
15h 32m
estimated nonstop flight time
-17h
time difference · heading northeast
See live SYD→KLS fares Phone-only fares on this route — call free
Flight time details
7,683 miles nonstop takes roughly 15h 32m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time set-back when reading arrival times on your ticket.
The two airports
- SYD — Sydney Kingsford Smith International Airport · Sydney, Australia
- 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 SYD
- BWU · Sydney Bankstown Airport11 mi away
- CDU · Camden Airport29 mi away
- XRH · RAAF Base Richmond33 mi away
- WOL · Wollongong Airport48 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 SYD from KLS?
The flight distance from Sydney (SYD) to Kelso (KLS) is 7,683 miles (12,365 km, 6,677 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYD to KLS?
A nonstop flight takes about 15h 32m 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 Sydney and Kelso?
Kelso is 17 hours behind Sydney.
What is the cheapest way to fly from SYD to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYD–KLS that never appear on search engines, with no booking fees.