Cheap flights to London – Compare and Save

— LON
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to London in 2025

Find the latest flights to London in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 5 November 2025.

Return from

$1,419

One-way from

$601

Popular in

December

Cheapest in

February

Average price

$1,723

Good round-trip deal

$1,979 or less

Good one-way deal

$1,447 or less
Air China
  • Air China
  • 23/11-5/12
  • 3 total stops
  • 79h 45m total
  • Sydney to London
23/11
  • 23/11
  • 2 total stops
  • 43h 50m total
  • Sydney to London
Highest demand for flights based on searches. 12% potential increase in price ($278 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($65 potential savings vs. average return price).
Average for return flights in November 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to London.
Price to beat on a one-way flight from Sydney Kingsford Smith to London.

Find flight deals to London

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Cheapest flights to London
Explore the most affordable flight options available to London. Find the lowest fares based on data from user searches, with prices last updated on 5 November 2025.

Sun 23/1121:15SYD - LHR
2 stops47h 40mMultiple Airlines
Fri 5/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 2/11$1,419
Mon 10/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Mon 17/1122:00LHR - SYD
1 stop35h 20mMultiple Airlines
Deal found 3/11$1,420
Mon 10/1121:30SYD - LGW
1 stop44h 00mChina Eastern
Mon 17/1110:30LGW - SYD
1 stop36h 30mChina Eastern
Deal found 3/11$1,420
Sun 9/1121:15SYD - LHR
2 stops29h 45mMultiple Airlines
Sun 16/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 2/11$1,430
Mon 10/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Wed 12/1121:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 2/11$1,431
Wed 5/1122:20SYD - LHR
1 stop27h 40mCathay Pacific
Fri 28/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 2/11$1,433
Sun 9/1116:35SYD - LHR
1 stop36h 35mMultiple Airlines
Sun 16/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 2/11$1,436
Mon 10/1121:30SYD - LHR
1 stop31h 40mEtihad Airways
Mon 17/1120:55LHR - SYD
1 stop22h 40mEtihad Airways
Deal found 3/11$1,437
Tue 18/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Wed 3/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 3/11$1,440
Sun 9/1116:35SYD - LHR
1 stop36h 35mMultiple Airlines
Sun 16/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 2/11$1,445
Sat 8/1111:05SYD - LHR
1 stop29h 20mCathay Pacific
Fri 21/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 4/11$1,446
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 4/11$1,450

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