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

Return flights

25 Jan - 19 Feb	Scoot
25 Jan - 22 Feb	China Eastern
31 Jan - 07 Feb	China Eastern
23 Jan - 03 Feb	China Eastern
30 Jan - 08 Feb	Air China
21 Jan - 11 Feb	China Eastern
29 Jan - 26 Feb	China Eastern
19 Jan - 16 Feb	China Eastern
28 Jan - 04 Feb	China Eastern
29 Jan - 05 Feb	China Eastern
22 Jan - 25 Jan	China Eastern
22 Jan - 31 Jan	China Eastern
25 Jan - 28 Jan	China Eastern
23 Jan - 30 Jan	China Eastern
24 Jan - 31 Jan	China Eastern
19 Jan - 21 Jan	Jetstar
21 Jan - 30 Jan	Air China
17 Jan - 30 Jan	Air China
22 Jan - 29 Jan	China Eastern
22 Jan - 28 Jan	Jetstar

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 $899

Return flights