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

Return flights

31 Aug - 21 Sep	Air China
28 Aug - 06 Sep	China Southern
31 Aug - 08 Sep	Wizz Air UK
25 Aug - 12 Sep	SKY express
15 Aug - 08 Sep	Wizz Air UK
25 Aug - 19 Sep	SKY express
21 Aug - 12 Sep	Wizz Air UK
26 Aug - 09 Sep	China Eastern
30 Aug - 11 Sep	Wizz Air UK
27 Aug - 07 Sep	China Eastern
27 Aug - 30 Aug	China Southern
14 Aug - 31 Aug	SKY express
12 Aug - 31 Aug	Norwegian Air Sweden AOC
12 Aug - 29 Aug	Norwegian Air Sweden AOC
18 Aug - 26 Aug	Ryanair
03 Aug - 14 Aug	Qatar Airways
11 Aug - 31 Aug	Turkish Airlines
12 Aug - 19 Aug	Qatar Airways
09 Aug - 22 Aug	Norwegian Air Sweden AOC
14 Aug - 18 Aug	SKY express

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

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 August from 906€

Return flights