Cheapest return LCY–PER flights, September

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

Return flights

13 Sep - 29 Sep SWISS
10 Sep - 30 Sep British Airways
09 Sep - 30 Sep British Airways
02 Sep - 30 Sep British Airways
01 Sep - 30 Sep British Airways
23 Sep - 30 Sep British Airways
02 Sep - 10 Sep British Airways
01 Sep - 17 Sep British Airways
01 Sep - 13 Sep British Airways
15 Sep - 30 Sep British Airways
23 Sep - 20 Oct British Airways
16 Sep - 07 Oct British Airways
03 Sep - 15 Oct British Airways
07 Sep - 11 Oct British Airways
08 Sep - 06 Oct British Airways
03 Sep - 08 Oct KLM
11 Sep - 18 Oct KLM
20 Sep - 19 Oct KLM
13 Sep - 11 Oct KLM
10 Sep - 02 Oct SWISS

Also check the deals for one-way flights from London to Perth in September.

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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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