Need help booking?
Unpublished phone-only deals available
SDF to SYD: distance & flight time
Louisville (Louisville International Standiford Field) → Sydney (Sydney Kingsford Smith International Airport)
9,294 mi
14,958 km · 8,077 nm
18h 41m
estimated nonstop flight time
+14h
time difference · heading west
See live SDF→SYD fares Phone-only fares on this route — call free
Flight time details
9,294 miles nonstop takes roughly 18h 41m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- SDF — Louisville International Standiford Field · Louisville, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 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 SDF from SYD?
The flight distance from Louisville (SDF) to Sydney (SYD) is 9,294 miles (14,958 km, 8,077 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to SYD?
A nonstop flight takes about 18h 41m 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 Louisville and Sydney?
Sydney is 14 hours ahead of Louisville.
What is the cheapest way to fly from SDF to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–SYD that never appear on search engines, with no booking fees.