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

Return flights

06 Mar - 08 Mar	Ryanair
02 Mar - 12 Mar	Ryanair
03 Mar - 15 Mar	Vueling Airlines
03 Mar - 08 Mar	Vueling Airlines
03 Mar - 10 Mar	Vueling Airlines
07 Mar - 14 Mar	Ryanair
06 Mar - 21 Mar	Hainan Airlines
12 Mar - 15 Mar	Ryanair
13 Mar - 21 Mar	Hainan Airlines
13 Mar - 15 Mar	Ryanair
17 Mar - 06 Apr	China Southern
05 Mar - 25 Apr	Ryanair
22 Mar - 23 Apr	Wizz Air UK
13 Mar - 04 Apr	Hainan Airlines
22 Mar - 21 Apr	Wizz Air UK
16 Mar - 06 Apr	China Southern
25 Mar - 25 Apr	Ryanair
13 Mar - 20 Apr	Ryanair
12 Mar - 17 Apr	Ryanair
16 Mar - 20 Apr	Wizz Air UK

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 629€

Return flights