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

Return flights

02 Mar - 09 Mar	SWISS
01 Mar - 22 Mar	SWISS
02 Mar - 22 Mar	SWISS
01 Mar - 31 Mar	SWISS
02 Mar - 31 Mar	SWISS
09 Mar - 31 Mar	SWISS
16 Mar - 20 Apr	Gulf Air
01 Mar - 08 Mar	SWISS
17 Mar - 24 Mar	Scandinavian Airlines
11 Mar - 24 Mar	Gulf Air
02 Mar - 16 Mar	Gulf Air
23 Mar - 13 Apr	Saudia
01 Mar - 01 Apr	SWISS
31 Mar - 14 Apr	Saudia
25 Mar - 15 Apr	Saudia
25 Mar - 10 Apr	Saudia
23 Mar - 14 Apr	Saudia
26 Mar - 17 Apr	Saudia
14 Mar - 04 Apr	Saudia
26 Mar - 13 Apr	Scandinavian Airlines

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 $856

Return flights