Need help booking?
Unpublished phone-only deals available
PHN to SYD: distance & flight time
Port Huron (St Clair County International Airport) → Sydney (Sydney Kingsford Smith International Airport)
9,515 mi
15,314 km · 8,269 nm
19h 7m
estimated nonstop flight time
+14h
time difference · heading west
See live PHN→SYD fares Phone-only fares on this route — call free
Flight time details
9,515 miles nonstop takes roughly 19h 7m 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
- PHN — St Clair County International Airport · Port Huron, 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 PHN
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 PHN from SYD?
The flight distance from Port Huron (PHN) to Sydney (SYD) is 9,515 miles (15,314 km, 8,269 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to SYD?
A nonstop flight takes about 19h 7m 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 Port Huron and Sydney?
Sydney is 14 hours ahead of Port Huron.
What is the cheapest way to fly from PHN to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–SYD that never appear on search engines, with no booking fees.