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

Return flights

23 Sep - 13 Oct	Etihad Airways
23 Sep - 07 Oct	Etihad Airways
20 Sep - 30 Sep	Kenya Airways
28 Sep - 12 Oct	Ethiopian Airlines
25 Sep - 12 Oct	Ethiopian Airlines
22 Sep - 01 Oct	Ethiopian Airlines
21 Sep - 05 Oct	Ethiopian Airlines
27 Sep - 14 Oct	Ethiopian Airlines
21 Sep - 04 Oct	Ethiopian Airlines
24 Sep - 25 Oct	Ethiopian Airlines
22 Sep - 11 Oct	Ethiopian Airlines
20 Sep - 26 Sep	Kenya Airways
23 Sep - 30 Sep	Etihad Airways
21 Sep - 22 Sep	Ethiopian Airlines

Also check the deals for one-way flights from Paris to Moroni 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 Moroni in September from $848

Return flights