AirHint found the following cheapest return flights from Marseille (MRS) to St.-denis (RUN) in September 2025 (see full year).

Return flights

18 Sep - 21 Sep	Air France
24 Sep - 30 Sep	Air France
17 Sep - 28 Sep	Air France
26 Sep - 02 Oct	Air France
25 Sep - 03 Oct	Air France
21 Sep - 28 Sep	Air France
22 Sep - 25 Sep	Air France
17 Sep - 28 Sep	Corsair	direct
20 Sep - 28 Sep	Air France
20 Sep - 04 Oct	Air France
29 Sep - 15 Oct	Air France
27 Sep - 08 Oct	Air France
27 Sep - 02 Oct	Air France
29 Sep - 06 Oct	Air France
21 Sep - 22 Sep	Ryanair
22 Sep - 08 Oct	Air France
24 Sep - 17 Oct	Air France
24 Sep - 30 Sep	Corsair	direct
22 Sep - 08 Oct	Corsair	direct

Also check the deals for one-way flights from Marseille to St.-denis 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 Marseille to St.-denis in September from 717€

Return flights