Need help booking?
Unpublished phone-only deals available
GLS to SYD: distance & flight time
Galveston (Scholes International At Galveston Airport) → Sydney (Sydney Kingsford Smith International Airport)
8,604 mi
13,848 km · 7,477 nm
17h 20m
estimated nonstop flight time
+15h
time difference · heading southwest
See live GLS→SYD fares Phone-only fares on this route — call free
Flight time details
8,604 miles nonstop takes roughly 17h 20m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- GLS — Scholes International At Galveston Airport · Galveston, 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 GLS
- IAH · George Bush Intercontinental Houston Airport57 mi away
- EFD · Ellington Airport30 mi away
- HOU · William P Hobby Airport36 mi away
- LJN · Texas Gulf Coast Regional Airport38 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 GLS from SYD?
The flight distance from Galveston (GLS) to Sydney (SYD) is 8,604 miles (13,848 km, 7,477 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GLS to SYD?
A nonstop flight takes about 17h 20m 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 Galveston and Sydney?
Sydney is 15 hours ahead of Galveston.
What is the cheapest way to fly from GLS to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GLS–SYD that never appear on search engines, with no booking fees.