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

Return flights

08 Sep - 27 Sep	Lufthansa
15 Sep - 22 Sep	Lufthansa
12 Sep - 03 Oct	Condor
16 Sep - 03 Oct	Condor
13 Sep - 27 Sep	Condor
13 Sep - 04 Oct	Condor
03 Sep - 18 Sep	Condor
03 Sep - 22 Sep	Lufthansa	direct
08 Sep - 22 Sep	Lufthansa	direct
01 Sep - 22 Sep	Lufthansa	direct
08 Sep - 24 Sep	Lufthansa
20 Sep - 29 Sep	Nouvelair
15 Sep - 22 Sep	Lufthansa	direct
13 Sep - 14 Oct	Nouvelair
08 Sep - 06 Oct	Discover Airlines
13 Sep - 11 Oct	Nouvelair
15 Sep - 02 Oct	Lufthansa
20 Sep - 04 Oct	Nouvelair
28 Sep - 04 Oct	Condor
30 Sep - 06 Oct	Air France

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 167€

Return flights