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 15/03/26 2 Stopovers (ZRH, SIN) LX0333, LX0176, LX9088 35h 00min	Return 31/03/26 2 Stopovers (SIN, FRA) TR0003, LH0781, LH0900 28h 50min	Swiss International Air Lines		£852
London Heathrow Sydney	Outbound 21/04/26 3 Stopovers (ZRH, BKK, SIN) LX0319, LX0180, TR0611, TR0012 46h 20min	Return 07/05/26 3 Stopovers (SIN, KUL, DXB) TR0013, TR0456, EK0347, EK0031 52h 25min	Swiss International Air Lines, Scoot	?	£913
London Heathrow Sydney	Outbound 10/03/26 3 Stopovers (ZRH, BKK, SIN) LX0319, LX0180, TR0609, TR0012 68h 00min	Return 26/03/26 2 Stopovers (SIN, ATH) TR0013, TR0720, BA0637 36h 30min	Swiss International Air Lines, Scoot	?	£914
London Heathrow Sydney	Outbound 24/03/26 2 Stopovers (ZRH, SIN) LX0327, LX0176, LX9028 26h 00min	Return 09/04/26 1 Stopover (CAN) CZ0326, CZ0303 41h 55min	Swiss International Air Lines	?	£1,168

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

Swiss International Air Lines

Important flight information

Flight information: London Heathrow - Sydney

Alternative routes to Australia

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