Sydney to London Flight Duration

Find flight duration times from Sydney to London, compare live flight prices and book your tickets.

What is the flight duration from Sydney to London?
Sydney
Depart
Arrive
London

Average flight time is 20 hours 42 minutes

The fastest flight time from Sydney to London is 20 hours 42 minutes

Sydney to London flight duration breakdown

Average flight duration 20 hours 42 minutes
Shortest flight duration Not available
Longest flight duration Not available
The average flight time from Sydney to London is 20 hours 42 minutes. However, the duration of flights can differ depending on weather conditions, flight path and congestion in the air. This means individual flight times can be quicker, but on occasion, they can also be longer.

The distance from Sydney to London is 10,559 miles / 16,993 km

Sydney airports

Sydney has 1 airport: Sydney Kingsford Smith Airport (SYD)

If you don't fancy flying from Sydney there are a number of airports nearby that fly to London: Newcastle Airport (NTL), Canberra International Airport (CBR), Parkes Airport (PKE), Dubbo City Airport (DBO) and Ballina Byron Gateway Airport (BNK).

London airports

London has 5 airports: London City Airport (LCY), London Heathrow Airport (LHR), London Gatwick Airport (LGW), London Luton Airport (LTN) and London Stansted Airport (STN).

If you don't fancy flying from London there are a number of airports nearby that fly to Sydney: London Southend Airport (SEN), Cambridge Airport (CBG), Southampton Airport (SOU), Bournemouth Airport (BOH), Birmingham Airport (BHX), Norwich International Airport (NWI) and East Midlands Airport (EMA).

We found some additional routes that may be of interest to you: and Melbourne to London.

Sydney & London local times and timezones

Sydney
AEST +10:00
GMT +00:00
London
Sydney, Australia is 10 hours ahead of London, United Kingdom

Before you travel to London

Make sure you get the cheapest travel money rates, or choose a prepaid travel card for your trip.
If you regularly send money overseas, take a look at our international money transfer comparison to see if you could save on your transfers.

Sydney to London FAQs

How long does it take to fly from Sydney to London?

On average, the flight time from Sydney to London is 20 hours 42 minutes. But remember, flight times can vary slightly depending on weather conditions, flight path and congestion in the air.

This means that your flight from Sydney to London could be longer or shorter than the average flight time.
What is the distance between Sydney and London?

The distance between Sydney and London is 10,559 miles or 16,993 km.
What is the shortest flight duration from Sydney to London?

The shortest flight time from Sydney to London is 20 hours 42 minutes. However, flight times can vary depending on weather conditions, air congestion and flight path, so this time is never guaranteed.
Can I fly from Sydney to London?

The average flight time from Sydney to London is 20 hours 42 minutes. Nearby airport to consider flying from include: Sydney Kingsford Smith Airport (SYD) Check ticket prices and review carrier requirements carefully before booking your trip.
What is the timezone difference between Sydney and London?

The time zone difference between Sydney and London is 10 hours.