Book cheap flights from London to Sydney in with Netflights. We scan all 8,125 of the weekly flights going via Sydney, so that you can compare them in one place. If you can’t find what you’re looking for, simply adjust the filters to widen your search.
Generally, London Heathrow (LHR) is the most popular choice for flights to Sydney. And the most popular airlines are British Airways, Virgin Atlantic and Cathay Pacific. But when you fly is just as important as who you fly with. If you're flexible on dates, try searching by month to see when the cheapest flights are.
On average, the 17036 km flight to Sydney takes 24 hrs 40 mins. If you want a bargain, keep an eye out for flights with China Southern Airlines, as they often have good deals. Or you could broaden your search by looking at flights to other airports in Australia to see if there are any cheaper options.
Today alone, we’ve scanned 84,350 flights worldwide to bring you the best flight deals in one place. Did you know you can also compare hotel and car hire prices in Australia with Netflights? Take a look to get an idea of prices in Sydney.