AirHint found the following cheapest return flights from Paris (CDG) to Perth (PER) in September 2025 (see full year).

Return flights

18 Sep - 01 Oct	Etihad Airways
18 Sep - 25 Sep	Etihad Airways
25 Sep - 08 Oct	Turkish Airlines
11 Sep - 14 Sep	SKY express
02 Sep - 08 Sep	Etihad Airways
09 Sep - 17 Sep	Austrian Airlines
04 Sep - 10 Sep	Air India
03 Sep - 09 Sep	Air India
01 Sep - 15 Sep	Austrian Airlines
01 Sep - 08 Sep	Air India
09 Sep - 12 Sep	Austrian Airlines
15 Sep - 22 Sep	Austrian Airlines
23 Sep - 03 Oct	Etihad Airways
14 Sep - 29 Oct	Thai Airways
19 Sep - 03 Oct	Malaysia Airlines
25 Sep - 13 Oct	Air France
25 Sep - 08 Oct	Qantas	direct
02 Sep - 02 Oct	Qantas

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

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 Paris to Perth in September from 820€

Return flights