AirHint found the following cheapest return flights from Rennes (RNS) to Marseille (MRS) in September 2025 (see full year).

Return flights

22 Sep - 08 Oct	Volotea	direct
22 Sep - 09 Oct	Volotea	direct
25 Sep - 08 Oct	Volotea	direct
24 Sep - 08 Oct	Volotea	direct
29 Sep - 02 Oct	Air France
25 Sep - 15 Oct	Volotea	direct
25 Sep - 09 Oct	Volotea	direct
24 Sep - 15 Oct	Volotea	direct
22 Sep - 02 Oct	Volotea	direct
22 Sep - 13 Oct	Volotea	direct
23 Sep - 26 Sep	Air France
25 Sep - 30 Sep	Air France
25 Sep - 28 Sep	Air France
22 Sep - 24 Sep	Volotea	direct
22 Sep - 25 Sep	Volotea	direct
22 Sep - 26 Sep	Volotea	direct
27 Sep - 28 Sep	Air France
25 Sep - 28 Sep	Volotea	direct
25 Sep - 26 Sep	Volotea	direct
22 Sep - 28 Sep	Volotea	direct

Also check the deals for one-way flights from Rennes to Marseille 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 Rennes to Marseille in September from 128€

Return flights