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

Return flights

02 Dec - 10 Dec	Air France
30 Dec - 15 Jan	Air France
01 Dec - 15 Jan	Air France
09 Dec - 13 Jan	Air France
02 Dec - 13 Dec	Air France
09 Dec - 26 Dec	Air France
27 Dec - 17 Jan	Air France
01 Dec - 15 Dec	Air France
30 Dec - 14 Jan	Air France
05 Dec - 14 Dec	Air France
01 Dec - 14 Dec	Air Mauritius
27 Dec - 16 Jan	Air France
09 Dec - 25 Dec	Air France
26 Dec - 16 Jan	Air France
02 Dec - 10 Dec	Corsair	direct
09 Dec - 31 Dec	Air France
28 Dec - 11 Jan	Air France
16 Dec - 28 Dec	Air France
27 Dec - 11 Jan	Air France
09 Dec - 07 Jan	Air France

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

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 December from 878€

Return flights