Flights from London Heathrow to Sydney

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 Shop Baggage Price
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (CAN)
CZ0304, CZ0301
36h 30min
Return
09/06/25
1 Stopover (CAN)
CZ0326, CZ0303
41h 55min
China Southern Airlines
£666
Best option
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0173
31h 10min
Return
03/06/25
1 Stopover (PEK)
CA0174, CA0855
33h 50min
Air China
£672
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (CAN)
CZ0304, CZ0301
36h 30min
Return
09/06/25
1 Stopover (CAN)
CZ0326, CZ0303
41h 55min
China Southern Airlines
£668
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (CAN)
CZ0304, CZ0301
36h 30min
Return
09/06/25
1 Stopover (CAN)
CZ0326, CZ0303
41h 55min
China Southern Airlines
£675
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0173
31h 10min
Return
03/06/25
1 Stopover (PEK)
CA0174, CA0855
33h 50min
Air China
£680
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0173
31h 10min
Return
03/06/25
1 Stopover (PEK)
CA0174, CA0855
33h 50min
Air China
£681
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0173
31h 10min
Return
03/06/25
1 Stopover (PEK)
CA0174, CA0937
31h 05min
Air China ?
£691
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0173
31h 10min
Return
03/06/25
1 Stopover (PEK)
CA0174, CA0937
31h 05min
Air China
£698
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (CAN)
CZ0304, CZ0325
25h 15min
Return
03/06/25
2 Stopovers (CAN, PKX)
CZ0302, CZ3099, CZ0673
29h 45min
China Southern Airlines ?
£714
London Heathrow
Sydney
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0173
31h 10min
Return
03/06/25
1 Stopover (PEK)
CA0174, CA0937
31h 05min
Air China ?
£746
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to Sydney

Favourite airline: e.g. Air India, Air China
68 % of flights booked on the route from London Heathrow to Sydney are booked with Air India, Air China and Emirates.
Air India
29 %
Air China
29 %
Emirates
10 %
Favourite connection: via Beijing International
The most popular flights on this route are via Beijing International and are booked by 60 % of all travellers.
Route
bookings
1 stopover Beijing International
31h 10min, from £649
60 %
1 stopover Dubai
28h 15min, from £1,277
20 %
1 stopover Guangzhou Baiyun
25h 15min, from £1,012
13 %

Important flight information

Flight information: London Heathrow - Sydney

Outbound and return from £665.24
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
Alternative routes to Australia
Alternative flights to Sydney
Flight destinations with a similar price