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

Return flights

31 Jan - 09 Feb	China Eastern
31 Jan - 10 Feb	China Eastern
31 Jan - 14 Feb	China Eastern
30 Jan - 09 Feb	China Eastern
14 Jan - 03 Feb	easyJet
29 Jan - 11 Feb	China Eastern
13 Jan - 28 Jan	easyJet
31 Jan - 16 Feb	China Eastern
31 Jan - 07 Feb	China Eastern
30 Jan - 06 Feb	China Eastern
30 Jan - 01 Feb	China Eastern
14 Jan - 28 Jan	easyJet
13 Jan - 26 Jan	easyJet
13 Jan - 27 Jan	easyJet
14 Jan - 31 Jan	easyJet
14 Jan - 30 Jan	easyJet
14 Jan - 21 Jan	easyJet
13 Jan - 20 Jan	China Eastern
18 Jan - 25 Jan	China Eastern
11 Jan - 26 Jan	China Eastern

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 $845

Return flights