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

Return flights

25 Sep - 02 Oct	Tunisair	direct
27 Sep - 29 Sep	Tunisair	direct
29 Sep - 06 Oct	Tunisair	direct
27 Sep - 28 Sep	Nouvelair	direct
27 Sep - 01 Oct	Nouvelair	direct
22 Sep - 27 Sep	Tunisair	direct
23 Sep - 30 Sep	Transavia France	direct
20 Sep - 22 Sep	Nouvelair	direct
20 Sep - 21 Sep	Nouvelair	direct
23 Sep - 25 Sep	Transavia France	direct

Also check the deals for one-way flights from Monastir to Lyon 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 Lyon in September from $146

Return flights