Cheapest one-way flights from London to Sydney in August from $519

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

AirHint found the following cheapest one-way flights from London (LHR) to Sydney (SYD) in August 2025 (see full year).

One-Way flights

31 Aug Aegean Airlines
28 Aug Aegean Airlines
29 Aug British Airways
24 Aug Aegean Airlines
26 Aug Aegean Airlines
19 Aug British Airways
30 Aug British Airways
21 Aug British Airways
23 Aug Austrian Airlines
20 Aug British Airways

Also check the deals for return flights from London to Sydney 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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