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

Return flights

28 Sep - 12 Oct	Lufthansa
15 Sep - 28 Sep	Lufthansa
25 Sep - 02 Oct	Lufthansa
21 Sep - 30 Sep	Lufthansa
14 Sep - 28 Sep	Lufthansa
10 Sep - 21 Sep	Lufthansa
28 Sep - 03 Oct	Qatar Airways
07 Sep - 28 Sep	Lufthansa
04 Sep - 24 Sep	Lufthansa
03 Sep - 13 Sep	Pegasus Airlines
03 Sep - 12 Sep	Qatar Airways
02 Sep - 16 Sep	Pegasus Airlines
01 Sep - 01 Sep	EgyptAir

Also check the deals for one-way flights from Algier 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 Algier to Beirut in September from $367

Return flights