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

Return flights

28 Aug - 13 Sep	Wizz Air UK
27 Aug - 03 Sep	China Southern
28 Aug - 14 Sep	Wizz Air UK
28 Aug - 21 Sep	Wizz Air UK
28 Aug - 11 Sep	Wizz Air UK
25 Aug - 12 Sep	SKY express
31 Aug - 23 Sep	SWISS
21 Aug - 11 Sep	Wizz Air UK
18 Aug - 14 Sep	SKY express
28 Aug - 18 Sep	Wizz Air UK
19 Aug - 26 Aug	Gulf Air
21 Aug - 31 Aug	Wizz Air UK
11 Aug - 18 Aug	SKY express
06 Aug - 21 Aug	easyJet
25 Aug - 31 Aug	SKY express
01 Aug - 20 Aug	Turkmenistan Airlines
01 Aug - 24 Aug	Turkmenistan Airlines
18 Aug - 31 Aug	SKY express
06 Aug - 13 Aug	easyJet
15 Aug - 17 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 915€

Return flights