AirHint found the following cheapest return flights from Tunis (TUN) to Beirut (BEY) in September 2025 (see full year).

Return flights

19 Sep - 25 Sep	Lufthansa
19 Sep - 26 Sep	Lufthansa
15 Sep - 22 Sep	Lufthansa
18 Sep - 25 Sep	Lufthansa
18 Sep - 26 Sep	Lufthansa
18 Sep - 27 Sep	Lufthansa
20 Sep - 24 Sep	Lufthansa
19 Sep - 28 Sep	Lufthansa
18 Sep - 28 Sep	Lufthansa
26 Sep - 29 Sep	Lufthansa
25 Sep - 02 Oct	Lufthansa
11 Sep - 26 Oct	Lufthansa

Also check the deals for one-way flights from Tunis to Beirut 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 Tunis to Beirut in September from 262€

Return flights