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

Return flights

05 Mar - 19 Mar	SWISS
05 Mar - 23 Mar	Lufthansa
09 Mar - 19 Mar	SWISS
01 Mar - 17 Mar	SWISS
04 Mar - 17 Mar	KLM
10 Mar - 24 Mar	SWISS
09 Mar - 15 Mar	SWISS
03 Mar - 17 Mar	KLM
05 Mar - 10 Mar	KLM
09 Mar - 16 Mar	SWISS
18 Mar - 22 Apr	British Airways
23 Mar - 07 Apr	Lufthansa
20 Mar - 17 Apr	ITA Airways
11 Mar - 08 Apr	SWISS
24 Mar - 05 Apr	KLM
26 Mar - 13 Apr	KLM
21 Mar - 05 Apr	KLM
22 Mar - 05 Apr	KLM
24 Mar - 06 Apr	KLM
30 Mar - 19 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 814€

Return flights