Flights from London to Sydney

Trip type

Our cheapest offers for flights from London to Sydney

Here you can compare cheap flights from London (LON) 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
Sydney
Outbound
02/01/26
1 Stopover (PVG)
MU0552, MU0735
29h 35min
Return
02/04/26
1 Stopover (CAN)
CZ0602, CZ0303
45h 25min
China Eastern Airlines
$870
found 2 days ago
Best option
London
Sydney
Outbound
02/01/26
1 Stopover (PVG)
MU0552, MU0735
29h 35min
Return
02/04/26
1 Stopover (CAN)
CZ0302, CZ0303
31h 35min
China Eastern Airlines
$873
found 2 days ago
London
Sydney
Outbound
02/01/26
1 Stopover (PVG)
MU0552, MU0735
29h 35min
Return
02/04/26
1 Stopover (CAN)
CZ0302, CZ0303
31h 35min
China Eastern Airlines ?
$938
found 2 days ago
London
Sydney
Outbound
02/01/26
1 Stopover (PVG)
MU0552, MU0561
26h 00min
Return
02/04/26
1 Stopover (CAN)
CZ8092, CZ0303
38h 20min
China Eastern Airlines ?
$944
found 2 days ago
London
Sydney
Outbound
04/03/26
1 Stopover (LAX)
UA0935, UA0839
32h 55min
Return
04/16/26
1 Stopover (SFO)
UA0870, UA0901
30h 05min
United Airlines ?
$1,252
London
Sydney
Outbound
04/03/26
1 Stopover (LAX)
UA0935, UA0839
32h 55min
Return
04/16/26
1 Stopover (LAX)
UA0842, UA0923
33h 40min
United Airlines
$1,280
London
Sydney
Outbound
02/01/26
1 Stopover (LAX)
AA0135, AA0073
29h 05min
Return
02/04/26
1 Stopover (LAX)
AA7374, AA0136
31h 15min
American Airlines
$1,281
found 2 days ago
London
Sydney
Outbound
04/03/26
1 Stopover (LAX)
UA0935, UA0839
32h 55min
Return
04/16/26
1 Stopover (LAX)
UA0842, UA0923
33h 40min
United Airlines ?
$1,360
London
Sydney
Outbound
02/01/26
1 Stopover (DEL)
AI0162, AI0302
23h 30min
Return
02/04/26
1 Stopover (DEL)
AI0301, AI2017
33h 35min
Air India ?
$1,392
found 2 days ago
London
Sydney
Outbound
02/01/26
3 Stopovers (PEK, BKK, SIN)
CA0938, CA0979, TR0637, TR0002
52h 55min
Return
02/04/26
3 Stopovers (SIN, HKT, DEL)
TR0013, TR0678, 6E1082, 6E0003
55h 05min
Air China, Scoot ?
$1,396
found 2 days ago
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 to Sydney

Favorite airline: Air India
The majority of passengers on the route London – Sydney prefer to fly with Air India.
Air India
33 %
China Southern
19 %
Finnair
12 %
Favourite connection: via Delhi
The most popular route is via Delhi and is booked by 44 % of all travelers.
Route
bookings
1 stopover Delhi-Indira Gandhi
32h 55min, from $ 1.025
44 %
1 stopover Guangzhou Baiyun International Airport
25h 15min, from $ 835
22 %
1 stopover Beijing Capital International Airport
31h 10min, from $ 659
13 %

Important flight information

Flight information: London - Sydney

Roundtrip from $ 869,66
Flight duration min. 20:30 / max. 21:00
Return flight duration min. 22:00/ max. 22:25
Distance 17020 km
Flights per week 16
Departure airport Airport London, all Airports (LON)
Departure country Flights from United Kingdom
Arrival airport Airport Sydney-Kingsford Smith International Airport, NSW (SYD)
Destination country Flights to Australia
Alternative routes to Australia
Alternative flights to Sydney
Flight destinations with a similar price
Flight destinations with a similar price