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

Return flights

27 Sep - 10 Oct	Lufthansa
19 Sep - 10 Oct	Lufthansa
12 Sep - 03 Oct	Lufthansa
13 Sep - 10 Oct	Lufthansa
13 Sep - 04 Oct	Lufthansa
20 Sep - 04 Oct	Lufthansa
19 Sep - 05 Oct	Lufthansa
08 Sep - 25 Sep	Lufthansa
08 Sep - 18 Sep	Lufthansa
19 Sep - 25 Sep	Lufthansa
13 Sep - 22 Sep	Lufthansa
20 Sep - 28 Sep	Lufthansa
01 Sep - 01 Oct	Lufthansa
04 Sep - 25 Sep	Lufthansa
05 Sep - 26 Sep	Lufthansa
06 Sep - 26 Sep	Lufthansa
01 Sep - 20 Sep	Lufthansa
06 Sep - 27 Sep	Lufthansa

Also check the deals for one-way flights from Luxemburg 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 Luxemburg to Beirut in September from $375

Return flights