Need help booking?
Unpublished phone-only deals available
CAT to SYD: distance & flight time
Cascais (Cascais Airport) → Sydney (Sydney Kingsford Smith International Airport)
11,307 mi
18,196 km · 9,825 nm
22h 38m
estimated nonstop flight time
+9h
time difference · heading east
See live CAT→SYD fares Phone-only fares on this route — call free
Flight time details
11,307 miles nonstop takes roughly 22h 38m gate to gate, flying east. 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
- CAT — Cascais Airport · Cascais, Portugal
- 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 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 CAT from SYD?
The flight distance from Cascais (CAT) to Sydney (SYD) is 11,307 miles (18,196 km, 9,825 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to SYD?
A nonstop flight takes about 22h 38m 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 Cascais and Sydney?
Sydney is 9 hours ahead of Cascais.
What is the cheapest way to fly from CAT to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–SYD that never appear on search engines, with no booking fees.