AirHint found the following cheapest return flights from London (LCY) to Perth (PER) in March 2026 (see full year).

Return flights

06 Mar - 17 Mar	SWISS
05 Mar - 22 Mar	Lufthansa
08 Mar - 15 Mar	SWISS
02 Mar - 10 Mar	SWISS
01 Mar - 10 Mar	SWISS
02 Mar - 25 Mar	SWISS
02 Mar - 11 Mar	SWISS
02 Mar - 12 Mar	SWISS
01 Mar - 12 Mar	SWISS
09 Mar - 25 Apr	SWISS
05 Mar - 19 Mar	SWISS
19 Mar - 20 Apr	SWISS
19 Mar - 07 Apr	SWISS
23 Mar - 13 Apr	SWISS
19 Mar - 02 Apr	SWISS
16 Mar - 02 Apr	SWISS
17 Mar - 07 Apr	SWISS
01 Mar - 12 Apr	SWISS
16 Mar - 01 Apr	British Airways
26 Mar - 15 Apr	British Airways

Also check the deals for one-way flights from London to Perth in March.

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 Perth in March from $961

Return flights