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 21/04/26 1 Stopover (CKG) GS7944, GS7965 35h 40min	Return -	Tianjin Airlines		£345
Best option Sydney London Heathrow	Outbound 17/08/26 1 Stopover (PVG) MU0736, MU0551 31h 10min	Return 15/09/26 1 Stopover (PVG) MU0552, MU0561 26h 40min	China Eastern Airlines		£807
Sydney London Heathrow	Outbound 08/08/26 1 Stopover (PVG) MU0562, MU0551 40h 40min	Return 31/08/26 1 Stopover (PVG) MU0552, MU0561 26h 40min	China Eastern Airlines		£812
Sydney London Heathrow	Outbound 08/08/26 1 Stopover (PVG) MU0562, MU0551 40h 40min	Return 31/08/26 1 Stopover (PVG) MU0552, MU0561 26h 40min	China Eastern Airlines		£840
Sydney London Heathrow	Outbound 04/05/26 3 Stopovers (SIN, SGN, SZX) TR0011, TR0502, ZH0118, ZH0887 64h 00min	Return 22/05/26 3 Stopovers (SZX, SGN, SIN) ZH0888, ZH0117, TR0503, TR0014 60h 15min	Scoot, Shenzhen Airlines	?	£855
Sydney London Heathrow	Outbound 17/08/26 2 Stopovers (WUH, PVG) MU2022, MU2503, MU0551 41h 40min	Return 15/09/26 2 Stopovers (PVG, XIY) MU0552, MU2143, MU0791 49h 40min	China Eastern Airlines		£872
Sydney London Heathrow	Outbound 04/05/26 1 Stopover (AUH) EY0455, EY0061 43h 10min	Return 22/05/26 1 Stopover (AUH) EY0064, EY0450 30h 25min	Etihad Airways		£881
Sydney London Heathrow	Outbound 17/08/26 1 Stopover (PVG) MU0562, MU0551 40h 40min	Return 15/09/26 1 Stopover (PVG) MU0552, MU0561 26h 40min	China Eastern Airlines		£882
Sydney London Heathrow	Outbound 17/08/26 1 Stopover (PVG) MU0562, MU0551 40h 40min	Return 15/09/26 1 Stopover (PVG) MU0552, MU0561 26h 40min	China Eastern Airlines		£883
Sydney London Heathrow	Outbound 04/05/26 1 Stopover (AUH) EY0455, EY0063 24h 55min	Return 22/05/26 1 Stopover (AUH) EY0062, EY0450 35h 40min	Etihad Airways		£887

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

Important flight information

Flight information: Sydney - London Heathrow

Cheapest outbound flight from	344,90 £
Outbound and return from	806,20 £
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 Brisbane - London Heathrow from 582 £

Popular destinations for onward travel

Flight London Heathrow - Dublin from 81 £
Flight London Heathrow - Dubai from 215 £
Flight London Heathrow - Edinburgh from 110 £
Flight London Heathrow - Lisbon from 114 £
Flight London Heathrow - Glasgow from 89 £
Flight London Heathrow - Kathmandu from 455 £
Flight London Heathrow - Funchal from 177 £
Flight London Heathrow - Geneva from 121 £
Flight London Heathrow - Istanbul from 156 £
Flight London Heathrow - New York from 259 £