Need help booking?
Unpublished phone-only deals available
SEN to SYD: distance & flight time
Southend (Southend Airport) → Sydney (Sydney Kingsford Smith International Airport)
10,529 mi
16,945 km · 9,150 nm
21h 7m
estimated nonstop flight time
+9h
time difference · heading northeast
See live SEN→SYD fares Phone-only fares on this route — call free
Flight time details
10,529 miles nonstop takes roughly 21h 7m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- SEN — Southend Airport · Southend, United Kingdom
- 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 SEN
- LGW · London Gatwick Airport48 mi away
- LHR · London Heathrow Airport50 mi away
- RCS · Rochester Airport17 mi away
- LCY · London City Airport28 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 SEN from SYD?
The flight distance from Southend (SEN) to Sydney (SYD) is 10,529 miles (16,945 km, 9,150 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEN to SYD?
A nonstop flight takes about 21h 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 Southend and Sydney?
Sydney is 9 hours ahead of Southend.
What is the cheapest way to fly from SEN to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEN–SYD that never appear on search engines, with no booking fees.