London to Sydney Flight Time

At present, there are no direct flights from London to Sydney, but Qantas has announced plans to launch a nonstop service in the near future. When operational, the flight is expected to take around 19 to 20 hours, making it one of the world’s longest routes. Currently, most travellers fly with one-stop connections through Singapore, Dubai, or Doha, which take about 22 to 23 hours in total, depending on the airline and layover time.

While there are no nonstop flights to Sydney right now, several major airlines offer one-stop routes from London, including Qantas, Emirates, Qatar Airways, Singapore Airlines, and British Airways. Qantas currently operates direct flights on alternate long-haul routes, such as London to Perth, with smooth onward connections to Sydney. You can easily compare fares and find the best London to Sydney flight deals with Crystal Travel, where our team helps you choose the most efficient and affordable options.

The cheapest time to fly from London to Sydney is typically between May and August, during Australia’s winter season. These months see lower demand and more competitive prices. Booking early or travelling mid-week can help you secure cheap London to Sydney flights. Crystal Travel offers exclusive airline discounts and seasonal deals to help you save on long-haul fares year-round.

To get the best prices, aim to book London to Sydney flights around three to five months in advance. Prices often rise closer to departure, especially during school holidays or major events. With Crystal Travel, you can lock in your fare early and pay later using flexible Fly Now Pay Later and Book Now Pay Later plans, giving you more control over your travel budget.

The London to Sydney flight distance is approximately 17,000 km (10,600 miles), making it one of the world’s longest commercial air routes. Most one-stop flights from London to Sydney take around 22 to 23 hours, depending on weather, route, and stopover duration.

Yes! With Crystal Travel, you can book your Sydney pay-later flights using flexible payment options like our Fly Now Pay Later and Book Now Pay Later plans. These allow you to lock in today’s fares and spread the cost before your trip. Our payment plans are supported by reliable partners, including Affirm, Klarna, Clearpay and PayPal, giving you the freedom to plan your Australian getaway without paying the full amount upfront.