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

Return flights

18 Sep - 04 Oct	AJet
18 Sep - 23 Sep	Air India
20 Sep - 08 Oct	Etihad Airways
18 Sep - 01 Oct	Air India
23 Sep - 01 Oct	Air France
30 Sep - 03 Oct	Air France
20 Sep - 27 Sep	easyJet
21 Sep - 28 Sep	Etihad Airways
21 Sep - 22 Sep	easyJet
20 Sep - 29 Sep	Etihad Airways
22 Sep - 26 Sep	AJet
25 Sep - 13 Oct	Air France
18 Sep - 22 Sep	Qatar Airways
23 Sep - 01 Oct	Qantas	direct
25 Sep - 08 Oct	Qantas	direct
18 Sep - 01 Oct	Qantas	direct
18 Sep - 22 Sep	Qantas	direct
30 Sep - 03 Oct	Qantas	direct

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 844€

Return flights