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

Return flights

18 Jan - 08 Feb	China Southern
16 Jan - 05 Feb	China Eastern
16 Jan - 07 Feb	China Eastern
17 Jan - 06 Feb	China Eastern
17 Jan - 08 Feb	China Eastern
18 Jan - 07 Feb	China Eastern
18 Jan - 09 Feb	China Eastern
15 Jan - 08 Feb	China Eastern
15 Jan - 09 Feb	China Eastern
16 Jan - 09 Feb	China Eastern
01 Jan - 21 Jan	China Southern
01 Jan - 19 Jan	China Southern
18 Jan - 30 Jan	China Southern
01 Jan - 22 Jan	China Southern
13 Jan - 31 Jan	China Southern
11 Jan - 30 Jan	China Southern
14 Jan - 28 Jan	China Southern
06 Jan - 20 Jan	China Southern
12 Jan - 25 Jan	China Southern
05 Jan - 25 Jan	China Southern

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

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Cheapest return flights from London to Sydney in January from $1147

Return flights