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

Return flights

03 Sep - 16 Sep	Air Mauritius	direct
15 Sep - 25 Sep	IndiGo
17 Sep - 27 Sep	IndiGo
13 Sep - 25 Sep	IndiGo
19 Sep - 23 Sep	IndiGo
20 Sep - 28 Sep	IndiGo
10 Sep - 16 Sep	Air Mauritius	direct
07 Sep - 13 Sep	Air Mauritius	direct
07 Sep - 16 Sep	Air Mauritius	direct
07 Sep - 20 Sep	Air Mauritius	direct
30 Sep - 07 Oct	Batik Air Malaysia
20 Sep - 04 Oct	IndiGo
29 Sep - 04 Oct	IndiGo
03 Sep - 04 Oct	Air Mauritius	direct
24 Sep - 05 Oct	Emirates
24 Sep - 07 Oct	Emirates
24 Sep - 07 Oct	Air Mauritius	direct
24 Sep - 04 Oct	Air Mauritius	direct
28 Sep - 04 Oct	Air Mauritius	direct
28 Sep - 11 Oct	Air Mauritius	direct

Also check the deals for one-way flights from Perth to Plaisance 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 Perth to Plaisance in September from $813

Return flights