Our cheapest offers for flights from Sydney to London Heathrow

Here you can compare cheap flights from Sydney (SYD) to London Heathrow (LHR) 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 London Heathrow. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (CAN) CZ0326, CZ0303 42h 00min	Return 03/06/25 1 Stopover (CAN) CZ0304, CZ0301 36h 30min	China Southern Airlines		£749
Best option Sydney London Heathrow	Outbound 13/05/25 1 Stopover (CAN) CZ0302, CZ0303 30h 20min	Return 03/06/25 1 Stopover (CAN) CZ0304, CZ0325 25h 15min	China Southern Airlines		£779
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (CAN) CZ0326, CZ0303 42h 00min	Return 03/06/25 1 Stopover (CAN) CZ0304, CZ0301 36h 30min	China Southern Airlines		£752
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (CAN) CZ0302, CZ0303 30h 20min	Return 03/06/25 1 Stopover (CAN) CZ0304, CZ0301 36h 30min	China Southern Airlines	?	£773
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (CAN) CZ0326, CZ0303 42h 00min	Return 03/06/25 1 Stopover (CAN) CZ0304, CZ0301 36h 30min	China Southern Airlines	?	£796
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (PVG) MU0562, MU0551 40h 40min	Return 09/06/25 1 Stopover (PVG) MU0552, MU0735 30h 15min	China Eastern Airlines		£830
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (DEL) AI0301, AI2017 32h 40min	Return 03/06/25 1 Stopover (DEL) AI0162, AI0302 23h 05min	Air India		£834
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (PVG) MU0562, MU0551 40h 40min	Return 09/06/25 1 Stopover (PVG) MU0552, MU0735 30h 15min	China Eastern Airlines		£838
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (PVG) MU0562, MU0551 40h 40min	Return 09/06/25 1 Stopover (PVG) MU0552, MU0735 30h 15min	China Eastern Airlines		£839
Sydney London Heathrow	Outbound 13/05/25 1 Stopover (DEL) AI0301, AI0161 45h 10min	Return 03/06/25 1 Stopover (DEL) AI0162, AI0302 23h 05min	Air India		£847

Tips and tricks to help you find cheap flights from Sydney to London Heathrow

Important flight information

Flight information: Sydney - London Heathrow

Outbound and return from	£748.40
Flight duration	min. 22:00 / max. 22:25
Return flight duration	min. 20:30/ max. 21:00
Distance	17039 km
Flights per week	16
Departure airport	Airport Sydney Kingsford Smith (SYD)
Departure country	Flights from Australia
Arrival airport	Airport London Heathrow (LHR)
Destination country	Flights to United Kingdom

Alternative flights to London Heathrow

Flight Perth - London Heathrow from £855

Popular destinations for onward travel

Flight London Heathrow - Amsterdam from £68
Flight London Heathrow - Bangkok from £433
Flight London Heathrow - Mumbai from £423
Flight London Heathrow - Dhaka from £465
Flight London Heathrow - Delhi from £348
Flight London Heathrow - Dublin from £82
Flight London Heathrow - Edinburgh from £84
Flight London Heathrow - Rome Fiumicino from £131
Flight London Heathrow - Funchal from £227
Flight London Heathrow - Frankfurt from £132