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

Return flights

09 Aug - 13 Sep	AirAsia X
02 Aug - 06 Sep	Scoot
03 Aug - 10 Sep	Scoot
28 Aug - 13 Sep	Cebu Pacific
13 Aug - 11 Sep	Scoot
05 Aug - 04 Sep	Scoot
09 Aug - 31 Aug	Scoot
06 Aug - 04 Sep	Scoot
03 Aug - 17 Aug	Scoot
12 Aug - 26 Aug	Turkish Airlines
01 Aug - 19 Aug	Scoot
07 Aug - 26 Aug	Turkish Airlines
06 Aug - 21 Aug	Turkish Airlines
07 Aug - 21 Aug	Turkish Airlines
05 Aug - 16 Aug	Turkish Airlines
19 Aug - 21 Sep	AirAsia X
01 Aug - 21 Aug	AirAsia X
01 Aug - 22 Aug	Scoot
07 Aug - 04 Sep	Cebu Pacific
15 Aug - 10 Sep	Cebu Pacific

Also check the deals for one-way flights from Sydney to London 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 Sydney to London in August from $1056

Return flights