London to Sydney flights
Heathrow (LHR), United Kingdom → Sydney Kingsford Smith (SYD), Australia
Set a price watch there and get an email or notification when the fare drops.
Cheapest dates in the next few weeks
| Tue 1 Dec | $942 |
| Mon 14 Dec | $968 |
| Tue 5 Jan | $974 |
| Thu 3 Dec | $1,000 |
| Wed 2 Dec | $1,022 |
One-way economy, estimated by Flight Wiki's fare model; typical day about $1,291. Prices change often, so check live prices before booking.
Questions
How long is the flight from London to Sydney?
About 21h 06m nonstop. The distance is 17,020 km (10,575 miles). Flights with a stop take longer.
How much is a flight from London to Sydney?
One-way economy fares are estimated between $942 and $1,803 over the coming weeks, about $1,291 on a typical day. Check live prices before you book.
What is the cheapest day to fly from London to Sydney?
In our estimates Tuesday is usually the cheapest day. The cheapest dates right now are Tue 1 Dec, Mon 14 Dec, Tue 5 Jan.
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