Cheapest return flights from Sydney to London in August from $911

Best time to book flights for Sydney (SYD) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Sydney (SYD) to London (LGW) in August 2025 (see full year).

Return flights

13 Aug - 31 Aug Air China
12 Aug - 31 Aug Air China
08 Aug - 05 Sep Air China
04 Aug - 09 Sep Air China
12 Aug - 26 Aug Air China
08 Aug - 29 Aug Air China
13 Aug - 26 Aug Air China
06 Aug - 16 Sep Air China
17 Aug - 31 Aug Air China
17 Aug - 14 Sep Air China
04 Aug - 11 Aug Air China
17 Aug - 07 Sep Air China
05 Aug - 11 Aug Air China
02 Aug - 08 Sep China Southern
07 Aug - 15 Sep China Southern
06 Aug - 15 Sep China Southern
02 Aug - 05 Sep China Southern
14 Aug - 05 Sep China Southern
03 Aug - 21 Aug China Southern
07 Aug - 18 Aug China Southern

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

Skyscanner

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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