AirHint found the following cheapest return flights from Sydney (SYD) to London (LGW) in January 2026 (see full year).

Return flights

19 Jan - 16 Feb	Virgin Australia
29 Jan - 19 Feb	Qatar Airways
30 Jan - 14 Feb	Turkish Airlines
26 Jan - 14 Feb	Turkish Airlines
25 Jan - 02 Feb	Turkish Airlines
24 Jan - 12 Feb	Turkish Airlines
31 Jan - 15 Feb	Turkish Airlines
24 Jan - 22 Feb	Turkish Airlines
31 Jan - 07 Feb	Turkish Airlines
22 Jan - 13 Feb	Jetstar
19 Jan - 26 Jan	Turkish Airlines
24 Jan - 29 Jan	Turkish Airlines
21 Jan - 31 Jan	Turkish Airlines
22 Jan - 31 Jan	Turkish Airlines
22 Jan - 29 Jan	Turkish Airlines
14 Jan - 21 Jan	Air China
15 Jan - 29 Jan	Turkish Airlines
17 Jan - 31 Jan	Turkish Airlines
18 Jan - 27 Jan	Turkish Airlines
18 Jan - 31 Jan	Turkish Airlines

Also check the deals for one-way flights from Sydney to London in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Sydney to London in January from $1081

Return flights