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

Return flights

05 Mar - 12 Mar	Air China
03 Mar - 20 Mar	Air China
06 Mar - 20 Mar	Air China
03 Mar - 22 Mar	Air China
10 Mar - 31 Mar	Air China
05 Mar - 22 Mar	Air China
01 Mar - 20 Mar	Air China
03 Mar - 12 Mar	China Southern
05 Mar - 16 Mar	China Southern
03 Mar - 09 Mar	China Southern
14 Mar - 06 Apr	Air China
31 Mar - 27 Apr	Scandinavian Airlines
12 Mar - 06 Apr	Scandinavian Airlines
23 Mar - 13 Apr	Saudia
14 Mar - 04 Apr	Eurowings
14 Mar - 02 Apr	Eurowings
31 Mar - 07 Apr	Saudia
24 Mar - 15 Apr	Saudia
24 Mar - 07 Apr	Saudia
31 Mar - 22 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 $811

Return flights