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

Return flights

15 Sep - 22 Sep	Air France
15 Sep - 05 Oct	Air France
08 Sep - 22 Sep	Air France
12 Sep - 14 Sep	Air France
09 Sep - 22 Sep	Air France
08 Sep - 21 Sep	Air France
01 Sep - 15 Sep	Air France
10 Sep - 30 Sep	Air France
15 Sep - 30 Sep	Air France
03 Sep - 06 Oct	Air France
03 Sep - 07 Sep	Air France
08 Sep - 12 Sep	Air France
19 Sep - 03 Oct	Air France
19 Sep - 04 Oct	Air France
25 Sep - 04 Oct	Air France
20 Sep - 04 Oct	Air France
27 Sep - 12 Oct	Air France
03 Sep - 06 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 792€

Return flights