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	Price
London Heathrow Sydney	Outbound 19/03/26 1 Stopover (SGN) VN0050, VN0773 35h 50min	Return -	Vietnam Airlines	£2,331
London Heathrow Sydney	Outbound 01/05/26 1 Stopover (PEK) CA0938, CA0173 33h 25min	Return 31/05/26 1 Stopover (PEK) CA0174, CA0937 31h 05min	Air China	£613
Best option London Heathrow Sydney	Outbound 14/04/26 1 Stopover (PEK) CA0856, CA0173 31h 10min	Return 30/04/26 1 Stopover (PEK) CA0174, CA0937 31h 05min	Air China	£627 found 3 days ago
London Heathrow Sydney Pay attention to transfer at connecting flight	Outbound 27/01/26 3 Stopovers (VIE, SIN, DPS) OS0340, TR0711, TR0282, GA0714 39h 10min	Return 10/02/26 2 Stopovers (SIN, KUL) TR0003, MH0610, MH0002 26h 15min	Austrian Airlines, Scoot, Garuda Indonesia	£936
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 26/10/25 1 Stopover (PVG) MU0552, MU0735 29h 35min	Return 18/11/25 1 Stopover (PVG) MU0736, MU0551 31h 00min	China Eastern Airlines	£698
London Heathrow Sydney	Outbound 09/03/26 2 Stopovers (AUH, SIN) EY0062, EY0498, TR0002 40h 50min	Return 25/03/26 2 Stopovers (SIN, AUH) TR0013, EY0499, EY0061 45h 25min	Etihad Airways, Scoot	£751
London Heathrow Sydney	Outbound 11/03/26 2 Stopovers (PEK, SIN) CA0938, CA0969, TR0012 35h 40min	Return 27/03/26 2 Stopovers (SIN, PEK) TR0013, CA0970, CA0937 55h 25min	Air China, Scoot	£761
London Heathrow Sydney	Outbound 20/10/25 1 Stopover (CAN) CZ0304, CZ0301 36h 30min	Return 11/11/25 1 Stopover (CAN) CZ0302, CZ0303 31h 15min	China Southern Airlines	£766
London Heathrow Sydney	Outbound 16/03/26 2 Stopovers (BAH, SIN) GF0002, GF0165, TR0002 40h 35min	Return 01/04/26 2 Stopovers (SIN, BAH) TR0013, GF0166, GF0007 42h 50min	Gulf Air, Scoot	£773

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

Important flight information

Flight information: London Heathrow - Sydney

Cheapest outbound flight from	£ 2.330,99
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

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

Important flight information

Flight information: London Heathrow - Sydney

Alternative routes to Australia

Alternative flights to Sydney

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