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

Return flights

08 Sep - 22 Sep	Lufthansa	direct
17 Sep - 29 Sep	Lufthansa	direct
08 Sep - 15 Sep	Lufthansa	direct
08 Sep - 24 Sep	Lufthansa	direct
10 Sep - 17 Sep	Lufthansa	direct
24 Sep - 29 Sep	Lufthansa	direct
18 Sep - 29 Sep	Nouvelair
17 Sep - 24 Sep	Lufthansa	direct
17 Sep - 01 Oct	Lufthansa	direct
18 Sep - 01 Oct	Nouvelair
29 Sep - 07 Oct	Ryanair
25 Sep - 01 Oct	Lufthansa
10 Sep - 22 Sep	Lufthansa	direct
18 Sep - 02 Oct	Nouvelair
17 Sep - 16 Oct	Ryanair
11 Sep - 17 Sep	Nouvelair
18 Sep - 07 Oct	Nouvelair
27 Sep - 07 Oct	Wizz Air Malta
26 Sep - 07 Oct	Ryanair
18 Sep - 07 Oct	Nouvelair	direct

Also check the deals for one-way flights from Frankfurt to Monastir 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 Frankfurt to Monastir in September from $251

Return flights