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

Return flights

19 Mar - 25 Apr	Lufthansa
03 Mar - 24 Mar	SWISS
10 Mar - 24 Mar	SWISS
24 Mar - 15 Apr	KLM
06 Mar - 13 Mar	Lufthansa
03 Mar - 13 Mar	Lufthansa
30 Mar - 15 Apr	KLM
03 Mar - 07 Mar	SWISS
02 Mar - 17 Mar	KLM
01 Mar - 30 Apr	SWISS
03 Mar - 17 Mar	KLM
11 Mar - 18 Mar	KLM
03 Mar - 16 Mar	KLM
29 Mar - 05 Apr	KLM
27 Mar - 26 Apr	Lufthansa
11 Mar - 24 Mar	KLM
24 Mar - 13 Apr	SWISS
23 Mar - 19 Apr	British Airways
01 Mar - 01 Apr	KLM
29 Mar - 12 Apr	KLM

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 919€

Return flights