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 01/01/26 1 Stopover (CAN) CZ0304, CZ8091 28h 35min	Return 01/14/26 1 Stopover (CAN) CZ0602, CZ0303 45h 05min	China Southern Airlines		$1,101
Best option London Heathrow Sydney	Outbound 01/01/26 1 Stopover (CAN) CZ0304, CZ8091 28h 35min	Return 01/14/26 1 Stopover (CAN) CZ0302, CZ0303 31h 15min	China Southern Airlines	?	$1,194
London Heathrow Sydney	Outbound 01/01/26 1 Stopover (CAN) CZ0304, CZ8091 28h 35min	Return 01/14/26 1 Stopover (CAN) CZ0602, CZ0303 45h 05min	China Southern Airlines		$1,105
London Heathrow Sydney	Outbound 01/01/26 1 Stopover (CAN) CZ0304, CZ8091 28h 35min	Return 01/14/26 1 Stopover (CAN) CZ0602, CZ0303 45h 05min	China Southern Airlines	?	$1,162
London Heathrow Sydney	Outbound 09/13/25 1 Stopover (CKG) GS7966, GS7943 31h 40min	Return 09/18/25 1 Stopover (HAK) HU0776, HU7963 31h 30min	Tianjin Airlines		$1,240
London Heathrow Sydney	Outbound 09/13/25 1 Stopover (CKG) GS7966, GS7943 31h 40min	Return 09/18/25 1 Stopover (HAK) HU0776, HU7963 31h 30min	Tianjin Airlines	?	$1,243
London Heathrow Sydney	Outbound 09/13/25 2 Stopovers (DEN, LAX) UA0263, UA1368, UA0839 31h 10min	Return 09/18/25 2 Stopovers (LAX, ORD) UA0842, UA1946, UA0929 29h 50min	United Airlines		$1,249
London Heathrow Sydney	Outbound 01/01/26 1 Stopover (IST) TK1984, TK0174 34h 15min	Return 01/14/26 1 Stopover (IST) TK0175, TK1989 27h 25min	Turkish Airlines		$1,330
London Heathrow Sydney	Outbound 09/13/25 3 Stopovers (SZX, KUL, SIN) ZH0888, ZH0329, TR0473, TR0002 76h 30min	Return 09/18/25 1 Stopover (HAK) HU0776, HU7963 31h 30min	Shenzhen Airlines, Scoot	?	$1,341
London Heathrow Sydney	Outbound 09/13/25 1 Stopover (AUH) EY0068, EY0454 34h 10min	Return 09/18/25 2 Stopovers (HAK, CSX) HU0776, HU7963, HU7963 31h 30min	Etihad Airways	?	$1,505

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

Important flight information

Flight information: London Heathrow - Sydney

Roundtrip from	$1,100.65
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)
Departure country	Flights from United Kingdom
Arrival airport	Airport Sydney-Kingsford Smith International Airport, NSW (SYD)
Destination country	Flights to Australia

Alternative flights to Sydney

Flight London - Sydney from $1,101

Flight destinations with a similar price

Flight Sydney - Frankfurt from $1,345
Flight Sydney - Auckland from $231