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
02 Mar - 17 Mar	SWISS
02 Mar - 15 Mar	SWISS
08 Mar - 15 Mar	SWISS
03 Mar - 16 Mar	SWISS
02 Mar - 16 Mar	SWISS
01 Mar - 10 Mar	SWISS
01 Mar - 08 Mar	SWISS
18 Mar - 25 Mar	SWISS
02 Mar - 25 Mar	SWISS
09 Mar - 25 Apr	SWISS
23 Mar - 27 Apr	SWISS
23 Mar - 20 Apr	SWISS
31 Mar - 19 Apr	KLM
23 Mar - 13 Apr	SWISS
19 Mar - 02 Apr	SWISS
16 Mar - 02 Apr	SWISS
18 Mar - 04 Apr	SWISS
23 Mar - 07 Apr	SWISS
19 Mar - 06 Apr	SWISS

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 791€

Return flights