Cheap Flights from London to Sydney
Browse current best options from London. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
London
RatePunk searches hundreds of travel sites at once for deals on flights to Sydney
Prices updated today
485 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)
Today’s best flight deals from London to Sydney
Explore current cheapest deals departing from London to Sydney
2026-12-01 – 2026-12-25
LON - Sydney
92% AI deal score
£1,008
£518
Round trip
2026-12-01 – 2026-12-23
LON - Sydney
92% AI deal score
£1,019
£529
Round trip
2026-12-01 – 2026-12-24
LON - Sydney
92% AI deal score
£1,019
£536
Round trip
2026-11-01 – 2026-11-12
LON - Sydney
92% AI deal score
£920
£612
Round trip
2026-12-02 – 2026-12-25
LON - Sydney
93% AI deal score
£1,019
£623
Round trip
2026-11-11 – 2026-11-14
LON - Sydney
93% AI deal score
£944
£628
Round trip
2026-11-04 – 2026-11-10
LON - Sydney
92% AI deal score
£943
£629
Round trip
2026-11-01 – 2026-11-10
LON - Sydney
92% AI deal score
£926
£629
Round trip
2026-11-01 – 2026-11-17
LON - Sydney
92% AI deal score
£911
£638
Round trip
2027-02-15 – 2027-02-23
LON - Sydney
90% AI deal score
£815
£640
Round trip