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

Return flights

05 Aug - 06 Sep	Turkmenistan Airlines
28 Aug - 15 Sep	Wizz Air UK
30 Aug - 15 Sep	Gulf Air
28 Aug - 13 Sep	Wizz Air UK
26 Aug - 13 Sep	Gulf Air
29 Aug - 15 Sep	Wizz Air
31 Aug - 13 Sep	Wizz Air UK
31 Aug - 08 Sep	Wizz Air UK
05 Aug - 18 Aug	Turkmenistan Airlines
31 Aug - 15 Sep	SWISS
17 Aug - 06 Sep	Wizz Air UK
19 Aug - 31 Aug	Gulf Air
01 Aug - 27 Aug	Turkmenistan Airlines
03 Aug - 17 Aug	Wizz Air UK
01 Aug - 31 Aug	Turkmenistan Airlines
05 Aug - 26 Aug	Turkmenistan Airlines
05 Aug - 19 Aug	Turkmenistan Airlines
01 Aug - 24 Aug	Turkmenistan Airlines
03 Aug - 12 Aug	Wizz Air UK
06 Aug - 27 Aug	Qatar Airways

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Cheapest return flights from London to Sydney in August from $1194

Return flights