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Journey from the UK

How long is the flight to Australia?

About 21h 15m from London10 hours or moreChecked 22 October 2026

Allow 21 to 24 hours to Sydney or Melbourne, with one stop in Asia or the Gulf. Perth has non-stop flights of around 17 hours. Sydney is 11 hours ahead in UK winter and 9 ahead in UK summer.

  1. Under 3 hours
  2. 3 to 6 hours
  3. 6 to 10 hours
  4. 10 hours or more
Rating10 hours or more
Areas covered3 on this page

A stopover of a night or two in Singapore, Dubai or Hong Kong breaks the journey and softens the jet lag.

Getting there

The journey at a glance

Flight from LondonAbout 21h 15m
Distance17,020 km
Time difference+11 h (+9 h in UK summer)
Main airportSYD

Straight-line estimate for a direct flight from Heathrow. Real flights often take longer.

Popular stopover routes

Coping with the longest trip

This is the furthest you can fly from the UK. Pick flights that let you sleep at your destination's night time, drink plenty of water, and walk the aisle regularly. A night or two's stopover each way makes a real difference, especially with children.

Before you go

Stay and do

Ready to book Australia? Compare places to stay and things to do.

Hotels in SydneyTours and tickets in Sydney

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See the journey filter on the map Australia travel guide Search flights

Questions people ask

Can you fly non-stop from London to Australia?
Yes, to Perth, in about 17 hours.
What is the time difference with Sydney?
Sydney is 11 hours ahead of the UK in UK winter and 9 hours ahead in UK summer.
Where can I stop over on the way to Australia?
Singapore, Dubai, Doha, Abu Dhabi and Hong Kong are popular stopovers.

Related guides

← All flight times guides

Waymark summarises official UK government (FCDO) travel advice and other public sources to help you plan. It is not a substitute for that advice, which can change at short notice. Always read the latest FCDO page for your destination and check your insurance before you book. Content last checked 22 October 2026.