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

Return flights

04 Jan - 01 Feb	China Eastern
25 Jan - 07 Feb	Hainan Airlines
22 Jan - 29 Jan	China Eastern
22 Jan - 31 Jan	China Eastern
22 Jan - 12 Feb	China Eastern
05 Jan - 02 Feb	Air China
01 Jan - 21 Jan	China Eastern
17 Jan - 06 Feb	China Eastern
29 Jan - 23 Feb	Aegean Airlines
05 Jan - 27 Jan	Air China
05 Jan - 26 Jan	Air China
05 Jan - 03 Feb	Air China
31 Jan - 28 Feb	Scandinavian Airlines
06 Jan - 27 Jan	China Southern
08 Jan - 29 Jan	China Southern
29 Jan - 14 Feb	Aegean Airlines
07 Jan - 27 Jan	China Southern
07 Jan - 28 Jan	China Southern
06 Jan - 31 Jan	China Southern
07 Jan - 07 Feb	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 $971

Return flights