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HYC to SYD: distance & flight time
Wycombe (Wycombe Air Park) → Sydney (Sydney Kingsford Smith International Airport)
10,584 mi
17,034 km · 9,197 nm
21h 13m
estimated nonstop flight time
+9h
time difference · heading northeast
See live HYC→SYD fares Phone-only fares on this route — call free
Flight time details
10,584 miles nonstop takes roughly 21h 13m 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
- HYC — Wycombe Air Park · Wycombe, 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 HYC
- LHR · London Heathrow Airport18 mi away
- LGW · London Gatwick Airport42 mi away
- BEX · RAF Benson12 mi away
- NHT · RAF Northolt17 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 HYC from SYD?
The flight distance from Wycombe (HYC) to Sydney (SYD) is 10,584 miles (17,034 km, 9,197 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HYC to SYD?
A nonstop flight takes about 21h 13m 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 Wycombe and Sydney?
Sydney is 9 hours ahead of Wycombe.
What is the cheapest way to fly from HYC to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HYC–SYD that never appear on search engines, with no booking fees.