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

Return flights

09 Mar - 24 Mar	SWISS
23 Mar - 30 Mar	SWISS
18 Mar - 13 Apr	Lufthansa
03 Mar - 16 Mar	SWISS
12 Mar - 19 Mar	British Airways
05 Mar - 19 Mar	British Airways
12 Mar - 23 Mar	British Airways
11 Mar - 19 Mar	British Airways
05 Mar - 17 Mar	British Airways
10 Mar - 17 Mar	British Airways
19 Mar - 22 Mar	British Airways
02 Mar - 20 Apr	British Airways
23 Mar - 20 Apr	British Airways
23 Mar - 19 Apr	British Airways
31 Mar - 13 Apr	British Airways
31 Mar - 17 Apr	British Airways
30 Mar - 13 Apr	British Airways
19 Mar - 01 Apr	British Airways
03 Mar - 01 Apr	British Airways
05 Mar - 01 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 $1112

Return flights