AirHint found the following cheapest return flights from London (LHR) to Sydney (SYD) in January 2027 (see full year).

Return flights

04 Jan - 27 Jan	Air India
06 Jan - 27 Jan	Air India
11 Jan - 31 Jan	Air India
03 Jan - 27 Jan	Air India
04 Jan - 01 Feb	Air India
11 Jan - 01 Feb	Air India
25 Jan - 31 Jan	Air India
12 Jan - 27 Jan	Air India
11 Jan - 27 Jan	Air India
07 Jan - 27 Jan	Air India
13 Jan - 27 Jan	Air India
05 Jan - 29 Jan	Air India
18 Jan - 01 Feb	Air India
03 Jan - 01 Feb	Air India
07 Jan - 01 Feb	Cathay Pacific
20 Jan - 01 Feb	Cathay Pacific
23 Jan - 01 Feb	Malaysia Airlines
20 Jan - 02 Feb	China Eastern
02 Jan - 02 Feb	China Eastern
23 Jan - 02 Feb	Emirates

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.

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Cheapest return flights from London to Sydney in January from 870€

Return flights