Our cheapest offers for flights from London Heathrow to Sydney

Here you can compare cheap flights from London Heathrow (LHR) to Sydney (SYD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Sydney. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Heathrow Sydney	Outbound 26/10/25 2 Stopovers (WUH, CAN) CZ0608, CZ8721, CZ0301 40h 05min	Return 18/11/25 1 Stopover (CAN) CZ0302, CZ0303 31h 15min	China Southern Airlines		£668
London Heathrow Sydney	Outbound 19/04/26 2 Stopovers (WUH, CAN) CZ0608, CZ3347, CZ0301 39h 25min	Return 05/05/26 2 Stopovers (CAN, WUH) CZ0326, CZ3367, CZ0607 39h 10min	China Southern Airlines		£718
London Heathrow Sydney	Outbound 20/04/26 1 Stopover (CAN) CZ0304, CZ0301 36h 30min	Return 06/05/26 2 Stopovers (CAN, PKX) CZ0302, CZ3099, CZ0673 29h 20min	China Southern Airlines		£720
London Heathrow Sydney	Outbound 18/04/26 1 Stopover (CAN) CZ0304, CZ0325 25h 15min	Return 04/05/26 1 Stopover (CAN) CZ0302, CZ0303 30h 15min	China Southern Airlines	?	£738

Important flight information

Flight information: London Heathrow - Sydney

Cheapest outbound flight from	£ 950,12
Outbound and return from	£ 612,96
Flight duration	min. 20:30 / max. 21:00
Return flight duration	min. 22:00/ max. 22:25
Distance	17039 km
Flights per week	16
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Sydney Kingsford Smith (SYD)
Destination country	Flights to Australia

Our cheapest offers for flights from London Heathrow to Sydney

London Heathrow

Sydney Kingsford Smith

China Southern Airlines

Important flight information

Flight information: London Heathrow - Sydney

Alternative routes to Australia

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