How far is Sydney from London?

London and Sydney are about 10,576 mi (17,021 km) apart as the crow flies - the great-circle distance airlines fly close to. Sydney is 10 hours ahead of London.

Is the flight from Sydney to London the same length?

Roughly, but not exactly. The distance is identical, so the estimate is the same both ways, but in reality one direction is usually 30-60 minutes faster because of high-altitude winds - eastbound flights ride the jet stream while westbound flights fight a headwind.

What is the time difference between London and Sydney?

Sydney is 10 hours ahead of London. That's based on standard time-zone offsets and doesn't account for daylight saving, so it can shift by an hour around DST changeovers. Use the calculator above with your departure time to see your local arrival time.

Flight Time from London to Sydney (19h 57m)

Q: How long is the flight from London to Sydney?

The nonstop flight from London (LHR) to Sydney (SYD) takes about 19h 57m, covering a great-circle distance of 10,576 mi (17,021 km). Actual times vary by roughly 30 minutes with winds, routing and aircraft; connecting flights take longer once you add the layover.

Sydney Harbour Bridge — Photo: Servite et contribuere · CC0

From

Flight time

19h 57m

estimated nonstop

Distance

10,576 mi

Time difference

Sydney is 10 hours ahead of London.

Departs

Book London → Sydney flights

Estimated nonstop time from great-circle distance and typical airline block speeds. Actual times vary about ±30 min with winds, routing and aircraft - eastbound is usually faster than westbound. Times shown for direct flights; connections add layover time.

In Brief

How long is the flight from London to Sydney?

The flight from London (LHR) to Sydney (SYD) takes approximately 19h 57m nonstop, covering a great-circle distance of 10,576 mi (17,021 km). Sydney is 10 hours ahead of London. Actual times vary by about 30 minutes with winds, air-traffic routing and aircraft type, and connecting flights take longer once you add layover time.

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London to Sydney flight: FAQ

Flight time, distance and time difference for this route.

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