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

Return flights

05 Mar - 26 Mar	British Airways
09 Mar - 16 Mar	British Airways
11 Mar - 22 Mar	British Airways
10 Mar - 16 Mar	British Airways
05 Mar - 15 Mar	British Airways
03 Mar - 23 Mar	British Airways
02 Mar - 11 Mar	British Airways
02 Mar - 20 Mar	British Airways
02 Mar - 17 Mar	British Airways
09 Mar - 23 Mar	British Airways
25 Mar - 19 Apr	British Airways
16 Mar - 26 Apr	British Airways
30 Mar - 13 Apr	British Airways
26 Mar - 19 Apr	British Airways
30 Mar - 15 Apr	British Airways
25 Mar - 17 Apr	British Airways
31 Mar - 13 Apr	British Airways
28 Mar - 19 Apr	British Airways
21 Mar - 05 Apr	British Airways
07 Mar - 05 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 $1453

Return flights