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

Return flights

20 Sep - 26 Sep	Tunisair	direct
19 Sep - 22 Sep	Transavia France	direct
20 Sep - 22 Sep	Tunisair	direct
12 Sep - 19 Sep	Transavia France	direct
21 Sep - 27 Sep	Tunisair
19 Sep - 21 Sep	Transavia France
28 Sep - 05 Oct	Transavia France
01 Sep - 10 Sep	Transavia France	direct
01 Sep - 10 Oct	Transavia France	direct

Also check the deals for one-way flights from Monastir 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 Monastir to Marseille in September from 117€

Return flights