倫敦到悉尼飛行時間

At the moment, several airlines serve connecting flights from London to Sydney, including: China Eastern Airlines Qatar Airways Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

It takes about 23 hours 5 minutes to fly from London (LON) to Sydney (SYD).

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Sydney is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

The cheapest months to fly from London to Sydney is November, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from London to Sydney on December 24, 2025 with Hainan Airlines, with prices starting at PLN 3,741.

You can land at any one of the following hubs in Sydney, with Heathrow Airport to Sydney Airport (LHR-SYD) is by far the most common option on this route: Sydney Airport (SYD).

The time difference between Sydney and London is 10h.

Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.