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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–SYD that never appear on search engines, with no booking fees.